./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed 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/bigshot_s2.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 fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:34:32,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:34:32,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:34:32,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:34:32,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:34:32,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:34:32,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:34:32,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:34:32,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:34:32,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:34:32,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:34:32,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:34:32,698 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:34:32,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:34:32,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:34:32,698 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:34:32,699 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:34:32,699 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:34:32,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:34:32,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:34:32,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:34:32,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:34:32,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:34:32,700 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:34:32,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:34:32,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:34:32,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:34:32,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:34:32,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:34:32,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:34:32,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:34:32,701 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 -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2025-03-08 21:34:32,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:34:32,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:34:32,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:34:32,922 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:34:32,922 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:34:32,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s2.i [2025-03-08 21:34:34,008 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e941102d4/39feb8c9d9c5450e8d9b8f785ae99a5f/FLAG15e71348a [2025-03-08 21:34:34,244 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:34:34,244 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s2.i [2025-03-08 21:34:34,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e941102d4/39feb8c9d9c5450e8d9b8f785ae99a5f/FLAG15e71348a [2025-03-08 21:34:34,267 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e941102d4/39feb8c9d9c5450e8d9b8f785ae99a5f [2025-03-08 21:34:34,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:34:34,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:34:34,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:34:34,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:34:34,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:34:34,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e4f4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34, skipping insertion in model container [2025-03-08 21:34:34,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:34:34,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:34:34,688 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:34:34,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:34:34,762 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:34:34,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34 WrapperNode [2025-03-08 21:34:34,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:34:34,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:34:34,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:34:34,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:34:34,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,789 INFO L138 Inliner]: procedures = 322, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2025-03-08 21:34:34,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:34:34,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:34:34,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:34:34,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:34:34,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:34:34,806 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:34:34,806 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:34:34,806 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:34:34,811 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (1/1) ... [2025-03-08 21:34:34,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:34:34,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:34:34,837 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) [2025-03-08 21:34:34,838 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 [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 21:34:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 21:34:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:34:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:34:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:34:34,855 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:34:34,957 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:34:34,958 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:34:35,122 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:34:35,123 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:34:35,133 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:34:35,134 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:34:35,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:34:35 BoogieIcfgContainer [2025-03-08 21:34:35,135 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:34:35,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:34:35,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:34:35,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:34:35,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:34:34" (1/3) ... [2025-03-08 21:34:35,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3493bb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:34:35, skipping insertion in model container [2025-03-08 21:34:35,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:34" (2/3) ... [2025-03-08 21:34:35,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3493bb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:34:35, skipping insertion in model container [2025-03-08 21:34:35,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:34:35" (3/3) ... [2025-03-08 21:34:35,143 INFO L128 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2025-03-08 21:34:35,153 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:34:35,154 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bigshot_s2.i that has 3 procedures, 93 locations, 1 initial locations, 1 loop locations, and 5 error locations. [2025-03-08 21:34:35,155 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:34:35,214 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 21:34:35,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 97 transitions, 208 flow [2025-03-08 21:34:35,293 INFO L124 PetriNetUnfolderBase]: 5/95 cut-off events. [2025-03-08 21:34:35,296 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 21:34:35,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 95 events. 5/95 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2025-03-08 21:34:35,303 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 97 transitions, 208 flow [2025-03-08 21:34:35,306 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 76 transitions, 164 flow [2025-03-08 21:34:35,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:34:35,321 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;@42bdfc14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:34:35,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-08 21:34:35,329 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:34:35,329 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2025-03-08 21:34:35,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:34:35,329 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:35,330 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] [2025-03-08 21:34:35,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:34:35,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:35,334 INFO L85 PathProgramCache]: Analyzing trace with hash -54029304, now seen corresponding path program 1 times [2025-03-08 21:34:35,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:35,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527309578] [2025-03-08 21:34:35,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:35,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:35,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-08 21:34:35,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-08 21:34:35,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:35,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:35,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:35,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527309578] [2025-03-08 21:34:35,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527309578] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:35,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:35,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:35,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603816895] [2025-03-08 21:34:35,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:35,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:35,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:35,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:35,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:35,560 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 97 [2025-03-08 21:34:35,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2025-03-08 21:34:35,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:35,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 97 [2025-03-08 21:34:35,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:35,600 INFO L124 PetriNetUnfolderBase]: 2/74 cut-off events. [2025-03-08 21:34:35,602 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-08 21:34:35,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 74 events. 2/74 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 45. Up to 10 conditions per place. [2025-03-08 21:34:35,604 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 9 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2025-03-08 21:34:35,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 182 flow [2025-03-08 21:34:35,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2025-03-08 21:34:35,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8797250859106529 [2025-03-08 21:34:35,621 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 164 flow. Second operand 3 states and 256 transitions. [2025-03-08 21:34:35,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 182 flow [2025-03-08 21:34:35,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 74 transitions, 174 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-08 21:34:35,629 INFO L231 Difference]: Finished difference. Result has 77 places, 74 transitions, 156 flow [2025-03-08 21:34:35,631 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2025-03-08 21:34:35,634 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -3 predicate places. [2025-03-08 21:34:35,634 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 156 flow [2025-03-08 21:34:35,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2025-03-08 21:34:35,635 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:35,635 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:35,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:34:35,635 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:34:35,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash 2031946702, now seen corresponding path program 1 times [2025-03-08 21:34:35,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:35,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407026125] [2025-03-08 21:34:35,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:35,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 21:34:35,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 21:34:35,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:35,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:35,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:35,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407026125] [2025-03-08 21:34:35,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407026125] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:35,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:35,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:35,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990129892] [2025-03-08 21:34:35,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:35,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:35,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:35,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:35,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:35,775 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 97 [2025-03-08 21:34:35,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2025-03-08 21:34:35,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:35,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 97 [2025-03-08 21:34:35,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:35,802 INFO L124 PetriNetUnfolderBase]: 2/71 cut-off events. [2025-03-08 21:34:35,802 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 21:34:35,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 71 events. 2/71 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 49. Up to 7 conditions per place. [2025-03-08 21:34:35,802 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 10 selfloop transitions, 1 changer transitions 0/71 dead transitions. [2025-03-08 21:34:35,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 71 transitions, 172 flow [2025-03-08 21:34:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 251 transitions. [2025-03-08 21:34:35,805 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8625429553264605 [2025-03-08 21:34:35,805 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 156 flow. Second operand 3 states and 251 transitions. [2025-03-08 21:34:35,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 71 transitions, 172 flow [2025-03-08 21:34:35,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 71 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:34:35,806 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 148 flow [2025-03-08 21:34:35,806 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2025-03-08 21:34:35,807 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -6 predicate places. [2025-03-08 21:34:35,807 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 148 flow [2025-03-08 21:34:35,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2025-03-08 21:34:35,807 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:35,807 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:35,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:34:35,807 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:34:35,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:35,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1567363657, now seen corresponding path program 1 times [2025-03-08 21:34:35,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:35,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499553474] [2025-03-08 21:34:35,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:35,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:35,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-08 21:34:35,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-08 21:34:35,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:35,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:35,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:35,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499553474] [2025-03-08 21:34:35,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499553474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:35,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:35,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 21:34:35,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071026309] [2025-03-08 21:34:35,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:35,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 21:34:35,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:35,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 21:34:35,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:34:35,942 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 97 [2025-03-08 21:34:35,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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) [2025-03-08 21:34:35,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:35,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 97 [2025-03-08 21:34:35,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:35,976 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2025-03-08 21:34:35,977 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 21:34:35,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 70 events. 1/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 1/70 useless extension candidates. Maximal degree in co-relation 28. Up to 4 conditions per place. [2025-03-08 21:34:35,978 INFO L140 encePairwiseOnDemand]: 93/97 looper letters, 5 selfloop transitions, 3 changer transitions 0/70 dead transitions. [2025-03-08 21:34:35,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 70 transitions, 162 flow [2025-03-08 21:34:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 21:34:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-08 21:34:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 429 transitions. [2025-03-08 21:34:35,980 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8845360824742268 [2025-03-08 21:34:35,980 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 148 flow. Second operand 5 states and 429 transitions. [2025-03-08 21:34:35,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 70 transitions, 162 flow [2025-03-08 21:34:35,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 70 transitions, 161 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:34:35,982 INFO L231 Difference]: Finished difference. Result has 77 places, 70 transitions, 151 flow [2025-03-08 21:34:35,982 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=151, PETRI_PLACES=77, PETRI_TRANSITIONS=70} [2025-03-08 21:34:35,983 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -3 predicate places. [2025-03-08 21:34:35,983 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 70 transitions, 151 flow [2025-03-08 21:34:35,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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) [2025-03-08 21:34:35,983 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:34:35,983 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:34:35,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:34:35,984 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-08 21:34:35,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:34:35,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1379899030, now seen corresponding path program 1 times [2025-03-08 21:34:35,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:34:35,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498988634] [2025-03-08 21:34:35,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:34:35,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:34:35,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-08 21:34:36,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-08 21:34:36,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:34:36,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:34:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:34:36,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:34:36,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498988634] [2025-03-08 21:34:36,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498988634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:34:36,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:34:36,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:34:36,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847256640] [2025-03-08 21:34:36,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:34:36,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:34:36,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:34:36,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:34:36,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:34:36,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 97 [2025-03-08 21:34:36,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 70 transitions, 151 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) [2025-03-08 21:34:36,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:34:36,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 97 [2025-03-08 21:34:36,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:34:36,159 INFO L124 PetriNetUnfolderBase]: 1/69 cut-off events. [2025-03-08 21:34:36,159 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 21:34:36,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 69 events. 1/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 44. Up to 7 conditions per place. [2025-03-08 21:34:36,160 INFO L140 encePairwiseOnDemand]: 95/97 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2025-03-08 21:34:36,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 69 transitions, 163 flow [2025-03-08 21:34:36,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:34:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:34:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2025-03-08 21:34:36,161 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8934707903780069 [2025-03-08 21:34:36,161 INFO L175 Difference]: Start difference. First operand has 77 places, 70 transitions, 151 flow. Second operand 3 states and 260 transitions. [2025-03-08 21:34:36,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 69 transitions, 163 flow [2025-03-08 21:34:36,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 69 transitions, 158 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 21:34:36,162 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2025-03-08 21:34:36,162 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2025-03-08 21:34:36,163 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -5 predicate places. [2025-03-08 21:34:36,163 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2025-03-08 21:34:36,163 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) [2025-03-08 21:34:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2025-03-08 21:34:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2025-03-08 21:34:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2025-03-08 21:34:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2025-03-08 21:34:36,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2025-03-08 21:34:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2025-03-08 21:34:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining) [2025-03-08 21:34:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2025-03-08 21:34:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2025-03-08 21:34:36,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2025-03-08 21:34:36,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:34:36,168 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-08 21:34:36,173 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:34:36,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:34:36,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:34:36 BasicIcfg [2025-03-08 21:34:36,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:34:36,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:34:36,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:34:36,180 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:34:36,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:34:35" (3/4) ... [2025-03-08 21:34:36,181 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:34:36,184 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 21:34:36,184 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 21:34:36,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-03-08 21:34:36,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-08 21:34:36,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 21:34:36,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:34:36,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:34:36,240 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:34:36,240 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:34:36,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:34:36,241 INFO L158 Benchmark]: Toolchain (without parser) took 1970.31ms. Allocated memory is still 167.8MB. Free memory was 127.6MB in the beginning and 61.4MB in the end (delta: 66.3MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2025-03-08 21:34:36,241 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:34:36,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.60ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 95.6MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:34:36,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.50ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 93.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:34:36,242 INFO L158 Benchmark]: Boogie Preprocessor took 15.27ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 884.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:34:36,242 INFO L158 Benchmark]: IcfgBuilder took 328.95ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 77.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:34:36,242 INFO L158 Benchmark]: TraceAbstraction took 1041.68ms. Allocated memory is still 167.8MB. Free memory was 77.2MB in the beginning and 67.2MB in the end (delta: 10.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2025-03-08 21:34:36,242 INFO L158 Benchmark]: Witness Printer took 60.52ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 61.4MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:34:36,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.60ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 95.6MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.50ms. Allocated memory is still 167.8MB. Free memory was 95.6MB in the beginning and 93.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.27ms. Allocated memory is still 167.8MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 884.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 328.95ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 77.7MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1041.68ms. Allocated memory is still 167.8MB. Free memory was 77.2MB in the beginning and 67.2MB in the end (delta: 10.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 60.52ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 61.4MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: 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, 130 locations, 137 edges, 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 5 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 0.4s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 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! [2025-03-08 21:34:36,258 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