./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/lazy01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/lazy01.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 b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 10:41:55,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 10:41:55,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 10:41:55,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 10:41:55,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 10:41:55,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 10:41:55,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 10:41:55,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 10:41:55,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 10:41:55,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 10:41:55,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 10:41:55,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 10:41:55,087 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 10:41:55,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 10:41:55,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 10:41:55,087 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 10:41:55,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 10:41:55,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 10:41:55,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 10:41:55,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 10:41:55,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 10:41:55,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 10:41:55,088 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 10:41:55,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 10:41:55,088 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 10:41:55,089 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:41:55,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 10:41:55,089 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 [2025-03-17 10:41:55,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 10:41:55,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 10:41:55,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 10:41:55,315 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 10:41:55,316 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 10:41:55,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/lazy01.i [2025-03-17 10:41:56,507 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a710e26c5/92005f3946344019b5f88c3b8e6be3bc/FLAGc172de4f9 [2025-03-17 10:41:56,741 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 10:41:56,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/lazy01.i [2025-03-17 10:41:56,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a710e26c5/92005f3946344019b5f88c3b8e6be3bc/FLAGc172de4f9 [2025-03-17 10:41:57,079 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a710e26c5/92005f3946344019b5f88c3b8e6be3bc [2025-03-17 10:41:57,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 10:41:57,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 10:41:57,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 10:41:57,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 10:41:57,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 10:41:57,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9df10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57, skipping insertion in model container [2025-03-17 10:41:57,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 10:41:57,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:41:57,312 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 10:41:57,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:41:57,371 INFO L204 MainTranslator]: Completed translation [2025-03-17 10:41:57,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57 WrapperNode [2025-03-17 10:41:57,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 10:41:57,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 10:41:57,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 10:41:57,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 10:41:57,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,396 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2025-03-17 10:41:57,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 10:41:57,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 10:41:57,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 10:41:57,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 10:41:57,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,407 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 10:41:57,411 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 10:41:57,411 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 10:41:57,411 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 10:41:57,411 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (1/1) ... [2025-03-17 10:41:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:41:57,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 10:41:57,434 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) [2025-03-17 10:41:57,438 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 [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-17 10:41:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-17 10:41:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-17 10:41:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-17 10:41:57,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 10:41:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 10:41:57,454 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 10:41:57,536 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 10:41:57,537 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 10:41:57,669 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 10:41:57,669 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 10:41:57,688 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 10:41:57,688 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 10:41:57,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:41:57 BoogieIcfgContainer [2025-03-17 10:41:57,689 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 10:41:57,691 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 10:41:57,691 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 10:41:57,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 10:41:57,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 10:41:57" (1/3) ... [2025-03-17 10:41:57,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3194041f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:41:57, skipping insertion in model container [2025-03-17 10:41:57,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:41:57" (2/3) ... [2025-03-17 10:41:57,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3194041f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:41:57, skipping insertion in model container [2025-03-17 10:41:57,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:41:57" (3/3) ... [2025-03-17 10:41:57,696 INFO L128 eAbstractionObserver]: Analyzing ICFG lazy01.i [2025-03-17 10:41:57,709 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 10:41:57,710 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG lazy01.i that has 4 procedures, 99 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-03-17 10:41:57,710 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 10:41:57,773 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-17 10:41:57,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 221 flow [2025-03-17 10:41:57,841 INFO L124 PetriNetUnfolderBase]: 2/97 cut-off events. [2025-03-17 10:41:57,845 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-17 10:41:57,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 97 events. 2/97 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 164 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2025-03-17 10:41:57,850 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 221 flow [2025-03-17 10:41:57,852 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 92 transitions, 199 flow [2025-03-17 10:41:57,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 10:41:57,871 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;@604183e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 10:41:57,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-17 10:41:57,884 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 10:41:57,885 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-03-17 10:41:57,885 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:41:57,886 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:41:57,887 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 10:41:57,888 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-17 10:41:57,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:41:57,892 INFO L85 PathProgramCache]: Analyzing trace with hash 819543371, now seen corresponding path program 1 times [2025-03-17 10:41:57,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:41:57,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006181364] [2025-03-17 10:41:57,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:41:57,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:41:57,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 10:41:57,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 10:41:57,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:41:57,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:41:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:41:58,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:41:58,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006181364] [2025-03-17 10:41:58,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006181364] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:41:58,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:41:58,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 10:41:58,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896948188] [2025-03-17 10:41:58,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:41:58,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:41:58,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:41:58,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:41:58,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:41:58,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 100 [2025-03-17 10:41:58,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 92 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2025-03-17 10:41:58,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:41:58,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 100 [2025-03-17 10:41:58,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:41:58,438 INFO L124 PetriNetUnfolderBase]: 619/1946 cut-off events. [2025-03-17 10:41:58,439 INFO L125 PetriNetUnfolderBase]: For 289/289 co-relation queries the response was YES. [2025-03-17 10:41:58,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3210 conditions, 1946 events. 619/1946 cut-off events. For 289/289 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 16046 event pairs, 252 based on Foata normal form. 160/1870 useless extension candidates. Maximal degree in co-relation 3080. Up to 587 conditions per place. [2025-03-17 10:41:58,458 INFO L140 encePairwiseOnDemand]: 87/100 looper letters, 31 selfloop transitions, 8 changer transitions 1/106 dead transitions. [2025-03-17 10:41:58,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 106 transitions, 319 flow [2025-03-17 10:41:58,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:41:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:41:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2025-03-17 10:41:58,471 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8966666666666666 [2025-03-17 10:41:58,472 INFO L175 Difference]: Start difference. First operand has 100 places, 92 transitions, 199 flow. Second operand 3 states and 269 transitions. [2025-03-17 10:41:58,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 106 transitions, 319 flow [2025-03-17 10:41:58,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 106 transitions, 303 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-17 10:41:58,482 INFO L231 Difference]: Finished difference. Result has 97 places, 96 transitions, 252 flow [2025-03-17 10:41:58,484 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=97, PETRI_TRANSITIONS=96} [2025-03-17 10:41:58,487 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -3 predicate places. [2025-03-17 10:41:58,487 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 96 transitions, 252 flow [2025-03-17 10:41:58,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2025-03-17 10:41:58,487 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:41:58,487 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 10:41:58,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 10:41:58,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-17 10:41:58,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:41:58,489 INFO L85 PathProgramCache]: Analyzing trace with hash 292144665, now seen corresponding path program 1 times [2025-03-17 10:41:58,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:41:58,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449109264] [2025-03-17 10:41:58,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:41:58,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:41:58,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 10:41:58,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 10:41:58,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:41:58,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:41:58,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:41:58,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:41:58,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449109264] [2025-03-17 10:41:58,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449109264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:41:58,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:41:58,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 10:41:58,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441532087] [2025-03-17 10:41:58,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:41:58,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:41:58,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:41:58,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:41:58,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:41:58,598 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2025-03-17 10:41:58,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 96 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2025-03-17 10:41:58,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:41:58,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2025-03-17 10:41:58,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:41:58,828 INFO L124 PetriNetUnfolderBase]: 809/2625 cut-off events. [2025-03-17 10:41:58,828 INFO L125 PetriNetUnfolderBase]: For 873/925 co-relation queries the response was YES. [2025-03-17 10:41:58,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5000 conditions, 2625 events. 809/2625 cut-off events. For 873/925 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 23731 event pairs, 457 based on Foata normal form. 13/2379 useless extension candidates. Maximal degree in co-relation 4244. Up to 1078 conditions per place. [2025-03-17 10:41:58,849 INFO L140 encePairwiseOnDemand]: 93/100 looper letters, 29 selfloop transitions, 10 changer transitions 0/110 dead transitions. [2025-03-17 10:41:58,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 110 transitions, 379 flow [2025-03-17 10:41:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:41:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:41:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2025-03-17 10:41:58,852 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-03-17 10:41:58,852 INFO L175 Difference]: Start difference. First operand has 97 places, 96 transitions, 252 flow. Second operand 3 states and 260 transitions. [2025-03-17 10:41:58,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 110 transitions, 379 flow [2025-03-17 10:41:58,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 110 transitions, 357 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 10:41:58,860 INFO L231 Difference]: Finished difference. Result has 99 places, 104 transitions, 322 flow [2025-03-17 10:41:58,860 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=99, PETRI_TRANSITIONS=104} [2025-03-17 10:41:58,861 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -1 predicate places. [2025-03-17 10:41:58,861 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 104 transitions, 322 flow [2025-03-17 10:41:58,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2025-03-17 10:41:58,862 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:41:58,862 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 10:41:58,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 10:41:58,862 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-17 10:41:58,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:41:58,863 INFO L85 PathProgramCache]: Analyzing trace with hash 368677878, now seen corresponding path program 1 times [2025-03-17 10:41:58,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:41:58,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133434469] [2025-03-17 10:41:58,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:41:58,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:41:58,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 10:41:58,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 10:41:58,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:41:58,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:41:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:41:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:41:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133434469] [2025-03-17 10:41:58,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133434469] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:41:58,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:41:58,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 10:41:58,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830300033] [2025-03-17 10:41:58,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:41:58,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:41:58,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:41:58,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:41:58,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:41:58,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2025-03-17 10:41:58,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 104 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2025-03-17 10:41:58,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:41:58,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2025-03-17 10:41:58,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:41:59,223 INFO L124 PetriNetUnfolderBase]: 1155/3469 cut-off events. [2025-03-17 10:41:59,224 INFO L125 PetriNetUnfolderBase]: For 1983/2010 co-relation queries the response was YES. [2025-03-17 10:41:59,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7258 conditions, 3469 events. 1155/3469 cut-off events. For 1983/2010 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 32422 event pairs, 559 based on Foata normal form. 0/3088 useless extension candidates. Maximal degree in co-relation 6298. Up to 1440 conditions per place. [2025-03-17 10:41:59,241 INFO L140 encePairwiseOnDemand]: 93/100 looper letters, 33 selfloop transitions, 13 changer transitions 0/119 dead transitions. [2025-03-17 10:41:59,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 119 transitions, 477 flow [2025-03-17 10:41:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:41:59,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:41:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2025-03-17 10:41:59,243 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-03-17 10:41:59,243 INFO L175 Difference]: Start difference. First operand has 99 places, 104 transitions, 322 flow. Second operand 3 states and 260 transitions. [2025-03-17 10:41:59,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 119 transitions, 477 flow [2025-03-17 10:41:59,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 119 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 10:41:59,249 INFO L231 Difference]: Finished difference. Result has 101 places, 113 transitions, 416 flow [2025-03-17 10:41:59,249 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=101, PETRI_TRANSITIONS=113} [2025-03-17 10:41:59,250 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, 1 predicate places. [2025-03-17 10:41:59,250 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 113 transitions, 416 flow [2025-03-17 10:41:59,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2025-03-17 10:41:59,250 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:41:59,250 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 10:41:59,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 10:41:59,251 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-03-17 10:41:59,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:41:59,251 INFO L85 PathProgramCache]: Analyzing trace with hash -514769951, now seen corresponding path program 1 times [2025-03-17 10:41:59,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:41:59,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347248885] [2025-03-17 10:41:59,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:41:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:41:59,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 10:41:59,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 10:41:59,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:41:59,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:41:59,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:41:59,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:41:59,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347248885] [2025-03-17 10:41:59,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347248885] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:41:59,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:41:59,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 10:41:59,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507201379] [2025-03-17 10:41:59,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:41:59,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:41:59,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:41:59,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:41:59,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:41:59,384 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 100 [2025-03-17 10:41:59,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 113 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2025-03-17 10:41:59,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:41:59,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 100 [2025-03-17 10:41:59,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:41:59,421 INFO L124 PetriNetUnfolderBase]: 25/291 cut-off events. [2025-03-17 10:41:59,422 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2025-03-17 10:41:59,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 291 events. 25/291 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1189 event pairs, 4 based on Foata normal form. 16/298 useless extension candidates. Maximal degree in co-relation 264. Up to 41 conditions per place. [2025-03-17 10:41:59,423 INFO L140 encePairwiseOnDemand]: 94/100 looper letters, 0 selfloop transitions, 0 changer transitions 89/89 dead transitions. [2025-03-17 10:41:59,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 89 transitions, 275 flow [2025-03-17 10:41:59,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:41:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:41:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2025-03-17 10:41:59,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8966666666666666 [2025-03-17 10:41:59,424 INFO L175 Difference]: Start difference. First operand has 101 places, 113 transitions, 416 flow. Second operand 3 states and 269 transitions. [2025-03-17 10:41:59,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 89 transitions, 275 flow [2025-03-17 10:41:59,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 89 transitions, 237 flow, removed 13 selfloop flow, removed 6 redundant places. [2025-03-17 10:41:59,426 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2025-03-17 10:41:59,426 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2025-03-17 10:41:59,427 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -8 predicate places. [2025-03-17 10:41:59,427 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2025-03-17 10:41:59,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2025-03-17 10:41:59,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-03-17 10:41:59,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-03-17 10:41:59,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-03-17 10:41:59,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-03-17 10:41:59,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-03-17 10:41:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-03-17 10:41:59,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 10:41:59,432 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-17 10:41:59,435 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 10:41:59,435 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 10:41:59,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 10:41:59 BasicIcfg [2025-03-17 10:41:59,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 10:41:59,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 10:41:59,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 10:41:59,444 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 10:41:59,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:41:57" (3/4) ... [2025-03-17 10:41:59,446 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 10:41:59,448 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-17 10:41:59,448 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-17 10:41:59,448 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-17 10:41:59,452 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-17 10:41:59,452 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-17 10:41:59,452 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 10:41:59,452 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 10:41:59,501 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 10:41:59,501 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 10:41:59,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 10:41:59,502 INFO L158 Benchmark]: Toolchain (without parser) took 2419.42ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 51.4MB in the end (delta: 81.1MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2025-03-17 10:41:59,502 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 10:41:59,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.41ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 112.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 10:41:59,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.62ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 111.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 10:41:59,504 INFO L158 Benchmark]: Boogie Preprocessor took 13.46ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 110.1MB in the end (delta: 748.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 10:41:59,504 INFO L158 Benchmark]: IcfgBuilder took 278.16ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 94.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 10:41:59,505 INFO L158 Benchmark]: TraceAbstraction took 1751.65ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 55.9MB in the end (delta: 37.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2025-03-17 10:41:59,505 INFO L158 Benchmark]: Witness Printer took 58.10ms. Allocated memory is still 167.8MB. Free memory was 55.9MB in the beginning and 51.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 10:41:59,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.41ms. Allocated memory is still 167.8MB. Free memory was 132.5MB in the beginning and 112.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.62ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 111.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.46ms. Allocated memory is still 167.8MB. Free memory was 110.8MB in the beginning and 110.1MB in the end (delta: 748.4kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 278.16ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 94.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1751.65ms. Allocated memory is still 167.8MB. Free memory was 93.3MB in the beginning and 55.9MB in the end (delta: 37.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Witness Printer took 58.10ms. Allocated memory is still 167.8MB. Free memory was 55.9MB in the beginning and 51.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: 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 7 procedures, 155 locations, 158 edges, 13 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 24 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 10:41:59,518 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