./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 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/weaver/popl20-figure1-alt.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e66d74cf738883d82d8ab680e594f84e8947532df35a185c16ed9746f38b197c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:55:16,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:55:16,172 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:55:16,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:55:16,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:55:16,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:55:16,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:55:16,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:55:16,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:55:16,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:55:16,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:55:16,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:55:16,203 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:55:16,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:55:16,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:55:16,204 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:55:16,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:55:16,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:55:16,205 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:55:16,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:55:16,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:55:16,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:55:16,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:55:16,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:55:16,206 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:55:16,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:55:16,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:55:16,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:55:16,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:55:16,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:55:16,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:55:16,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:55:16,207 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 -> e66d74cf738883d82d8ab680e594f84e8947532df35a185c16ed9746f38b197c [2025-03-04 06:55:16,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:55:16,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:55:16,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:55:16,458 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:55:16,458 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:55:16,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2025-03-04 06:55:17,612 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467aa61da/6aa3e378fa5341188c1ed02dbcd3977c/FLAGba56dcd8e [2025-03-04 06:55:17,816 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:55:17,816 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2025-03-04 06:55:17,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467aa61da/6aa3e378fa5341188c1ed02dbcd3977c/FLAGba56dcd8e [2025-03-04 06:55:17,831 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467aa61da/6aa3e378fa5341188c1ed02dbcd3977c [2025-03-04 06:55:17,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:55:17,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:55:17,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:55:17,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:55:17,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:55:17,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:55:17" (1/1) ... [2025-03-04 06:55:17,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d7f33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:17, skipping insertion in model container [2025-03-04 06:55:17,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:55:17" (1/1) ... [2025-03-04 06:55:17,850 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:55:17,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:55:17,990 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:55:18,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:55:18,017 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:55:18,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18 WrapperNode [2025-03-04 06:55:18,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:55:18,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:55:18,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:55:18,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:55:18,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,042 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 89 [2025-03-04 06:55:18,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:55:18,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:55:18,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:55:18,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:55:18,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,054 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:55:18,062 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:55:18,062 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:55:18,062 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:55:18,063 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (1/1) ... [2025-03-04 06:55:18,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:55:18,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:55:18,089 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) [2025-03-04 06:55:18,093 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 [2025-03-04 06:55:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:55:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-04 06:55:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-04 06:55:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-04 06:55:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-04 06:55:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:55:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:55:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:55:18,109 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:55:18,167 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:55:18,168 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:55:18,315 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:55:18,315 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:55:18,338 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:55:18,339 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:55:18,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:55:18 BoogieIcfgContainer [2025-03-04 06:55:18,340 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:55:18,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:55:18,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:55:18,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:55:18,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:55:17" (1/3) ... [2025-03-04 06:55:18,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd9d701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:55:18, skipping insertion in model container [2025-03-04 06:55:18,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:55:18" (2/3) ... [2025-03-04 06:55:18,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd9d701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:55:18, skipping insertion in model container [2025-03-04 06:55:18,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:55:18" (3/3) ... [2025-03-04 06:55:18,347 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2025-03-04 06:55:18,358 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:55:18,359 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-figure1-alt.wvr.c that has 3 procedures, 121 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-03-04 06:55:18,359 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:55:18,402 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 06:55:18,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 128 transitions, 270 flow [2025-03-04 06:55:18,480 INFO L124 PetriNetUnfolderBase]: 8/126 cut-off events. [2025-03-04 06:55:18,481 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 06:55:18,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 126 events. 8/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 118 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2025-03-04 06:55:18,487 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 128 transitions, 270 flow [2025-03-04 06:55:18,491 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 109 transitions, 230 flow [2025-03-04 06:55:18,501 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:55:18,514 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;@4738ca3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:55:18,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-04 06:55:18,523 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:55:18,524 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-03-04 06:55:18,525 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:55:18,525 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:18,525 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:55:18,526 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-04 06:55:18,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1601914513, now seen corresponding path program 1 times [2025-03-04 06:55:18,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:18,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274489478] [2025-03-04 06:55:18,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:18,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:18,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-04 06:55:18,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-04 06:55:18,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:18,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:18,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:18,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274489478] [2025-03-04 06:55:18,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274489478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:18,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:18,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:18,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310000546] [2025-03-04 06:55:18,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:18,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:18,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:18,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:18,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:18,741 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-03-04 06:55:18,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2025-03-04 06:55:18,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:18,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-03-04 06:55:18,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:18,799 INFO L124 PetriNetUnfolderBase]: 10/138 cut-off events. [2025-03-04 06:55:18,803 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-03-04 06:55:18,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 138 events. 10/138 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 275 event pairs, 5 based on Foata normal form. 7/126 useless extension candidates. Maximal degree in co-relation 97. Up to 25 conditions per place. [2025-03-04 06:55:18,807 INFO L140 encePairwiseOnDemand]: 121/128 looper letters, 12 selfloop transitions, 2 changer transitions 1/104 dead transitions. [2025-03-04 06:55:18,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 104 transitions, 248 flow [2025-03-04 06:55:18,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:18,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2025-03-04 06:55:18,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8776041666666666 [2025-03-04 06:55:18,819 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 230 flow. Second operand 3 states and 337 transitions. [2025-03-04 06:55:18,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 104 transitions, 248 flow [2025-03-04 06:55:18,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-04 06:55:18,826 INFO L231 Difference]: Finished difference. Result has 106 places, 103 transitions, 214 flow [2025-03-04 06:55:18,828 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=106, PETRI_TRANSITIONS=103} [2025-03-04 06:55:18,831 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2025-03-04 06:55:18,832 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 103 transitions, 214 flow [2025-03-04 06:55:18,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2025-03-04 06:55:18,832 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:18,832 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] [2025-03-04 06:55:18,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:55:18,833 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-04 06:55:18,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:18,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1179823804, now seen corresponding path program 1 times [2025-03-04 06:55:18,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:18,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455150527] [2025-03-04 06:55:18,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:18,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:18,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-04 06:55:18,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-04 06:55:18,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:18,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:18,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:18,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455150527] [2025-03-04 06:55:18,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455150527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:18,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:18,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:18,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222729254] [2025-03-04 06:55:18,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:18,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:18,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:18,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:18,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:18,907 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-03-04 06:55:18,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 103 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2025-03-04 06:55:18,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:18,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-03-04 06:55:18,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:18,951 INFO L124 PetriNetUnfolderBase]: 14/154 cut-off events. [2025-03-04 06:55:18,952 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-03-04 06:55:18,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 154 events. 14/154 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 307 event pairs, 5 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 165. Up to 29 conditions per place. [2025-03-04 06:55:18,954 INFO L140 encePairwiseOnDemand]: 125/128 looper letters, 12 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2025-03-04 06:55:18,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 102 transitions, 240 flow [2025-03-04 06:55:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2025-03-04 06:55:18,958 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8671875 [2025-03-04 06:55:18,958 INFO L175 Difference]: Start difference. First operand has 106 places, 103 transitions, 214 flow. Second operand 3 states and 333 transitions. [2025-03-04 06:55:18,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 102 transitions, 240 flow [2025-03-04 06:55:18,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:18,974 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 212 flow [2025-03-04 06:55:18,975 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2025-03-04 06:55:18,976 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -5 predicate places. [2025-03-04 06:55:18,976 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 212 flow [2025-03-04 06:55:18,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2025-03-04 06:55:18,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:18,977 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] [2025-03-04 06:55:18,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:55:18,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-04 06:55:18,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:18,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1809704090, now seen corresponding path program 1 times [2025-03-04 06:55:18,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:18,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995410464] [2025-03-04 06:55:18,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:18,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:18,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-04 06:55:18,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-04 06:55:18,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:18,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:19,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:19,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995410464] [2025-03-04 06:55:19,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995410464] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:19,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:19,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:19,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437806011] [2025-03-04 06:55:19,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:19,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:19,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:19,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:19,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:19,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-03-04 06:55:19,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2025-03-04 06:55:19,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:19,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-03-04 06:55:19,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:19,074 INFO L124 PetriNetUnfolderBase]: 12/133 cut-off events. [2025-03-04 06:55:19,075 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-04 06:55:19,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 133 events. 12/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 255 event pairs, 7 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 137. Up to 28 conditions per place. [2025-03-04 06:55:19,076 INFO L140 encePairwiseOnDemand]: 124/128 looper letters, 12 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2025-03-04 06:55:19,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 99 transitions, 232 flow [2025-03-04 06:55:19,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:19,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2025-03-04 06:55:19,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8697916666666666 [2025-03-04 06:55:19,077 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 212 flow. Second operand 3 states and 334 transitions. [2025-03-04 06:55:19,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 99 transitions, 232 flow [2025-03-04 06:55:19,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 99 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:55:19,079 INFO L231 Difference]: Finished difference. Result has 101 places, 99 transitions, 204 flow [2025-03-04 06:55:19,080 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=101, PETRI_TRANSITIONS=99} [2025-03-04 06:55:19,084 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -8 predicate places. [2025-03-04 06:55:19,084 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 99 transitions, 204 flow [2025-03-04 06:55:19,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2025-03-04 06:55:19,084 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:55:19,084 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] [2025-03-04 06:55:19,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:55:19,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-04 06:55:19,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:55:19,085 INFO L85 PathProgramCache]: Analyzing trace with hash -886126315, now seen corresponding path program 1 times [2025-03-04 06:55:19,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:55:19,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864459914] [2025-03-04 06:55:19,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:55:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:55:19,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-04 06:55:19,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-04 06:55:19,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:55:19,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:55:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:55:19,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:55:19,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864459914] [2025-03-04 06:55:19,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864459914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:55:19,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:55:19,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:55:19,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414498233] [2025-03-04 06:55:19,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:55:19,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:55:19,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:55:19,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:55:19,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:55:19,140 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2025-03-04 06:55:19,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 99 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2025-03-04 06:55:19,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:55:19,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2025-03-04 06:55:19,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:55:19,178 INFO L124 PetriNetUnfolderBase]: 26/217 cut-off events. [2025-03-04 06:55:19,178 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2025-03-04 06:55:19,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 217 events. 26/217 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 676 event pairs, 2 based on Foata normal form. 1/205 useless extension candidates. Maximal degree in co-relation 239. Up to 38 conditions per place. [2025-03-04 06:55:19,180 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 0 selfloop transitions, 0 changer transitions 101/101 dead transitions. [2025-03-04 06:55:19,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 101 transitions, 245 flow [2025-03-04 06:55:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:55:19,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:55:19,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2025-03-04 06:55:19,183 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8802083333333334 [2025-03-04 06:55:19,183 INFO L175 Difference]: Start difference. First operand has 101 places, 99 transitions, 204 flow. Second operand 3 states and 338 transitions. [2025-03-04 06:55:19,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 101 transitions, 245 flow [2025-03-04 06:55:19,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 101 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:55:19,184 INFO L231 Difference]: Finished difference. Result has 99 places, 0 transitions, 0 flow [2025-03-04 06:55:19,184 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=99, PETRI_TRANSITIONS=0} [2025-03-04 06:55:19,185 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -10 predicate places. [2025-03-04 06:55:19,185 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 0 transitions, 0 flow [2025-03-04 06:55:19,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2025-03-04 06:55:19,188 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2025-03-04 06:55:19,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2025-03-04 06:55:19,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:55:19,190 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-04 06:55:19,195 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:55:19,195 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:55:19,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:55:19 BasicIcfg [2025-03-04 06:55:19,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:55:19,200 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:55:19,200 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:55:19,201 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:55:19,201 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:55:18" (3/4) ... [2025-03-04 06:55:19,202 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:55:19,205 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-04 06:55:19,206 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-04 06:55:19,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-04 06:55:19,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 06:55:19,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 06:55:19,210 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:55:19,265 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:55:19,266 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:55:19,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:55:19,267 INFO L158 Benchmark]: Toolchain (without parser) took 1433.15ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 77.6MB in the end (delta: 34.5MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2025-03-04 06:55:19,267 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 226.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:55:19,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.24ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 100.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:55:19,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.01ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:55:19,268 INFO L158 Benchmark]: Boogie Preprocessor took 16.49ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:55:19,269 INFO L158 Benchmark]: IcfgBuilder took 278.46ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 83.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 06:55:19,270 INFO L158 Benchmark]: TraceAbstraction took 858.42ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 83.7MB in the end (delta: -707.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:55:19,270 INFO L158 Benchmark]: Witness Printer took 65.25ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 77.6MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:55:19,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 226.5MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.24ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 100.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.01ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.49ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 98.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 278.46ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 83.5MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 858.42ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 83.7MB in the end (delta: -707.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.25ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 77.6MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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, 160 locations, 12 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: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 18 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=0, 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, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:55:19,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE