./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i --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/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.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 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:37:21,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:37:22,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:37:22,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:37:22,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:37:22,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:37:22,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:37:22,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:37:22,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:37:22,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:37:22,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:37:22,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:37:22,043 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:37:22,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:37:22,044 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:37:22,045 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:37:22,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:37:22,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:37:22,045 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 -> 5350e4ca2594121b974c795f0a5f8bd0219ad1e56ba65ceaff14b5f6479d7178 [2025-03-04 06:37:22,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:37:22,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:37:22,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:37:22,275 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:37:22,276 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:37:22,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-03-04 06:37:23,449 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39a329e0/0429d184069e406a8fe1b6e551088da9/FLAG1bc2f7a6a [2025-03-04 06:37:23,737 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:37:23,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-03-04 06:37:23,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39a329e0/0429d184069e406a8fe1b6e551088da9/FLAG1bc2f7a6a [2025-03-04 06:37:24,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39a329e0/0429d184069e406a8fe1b6e551088da9 [2025-03-04 06:37:24,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:37:24,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:37:24,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:37:24,031 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:37:24,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:37:24,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adb3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24, skipping insertion in model container [2025-03-04 06:37:24,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:37:24,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:37:24,278 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:37:24,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:37:24,350 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:37:24,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24 WrapperNode [2025-03-04 06:37:24,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:37:24,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:37:24,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:37:24,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:37:24,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,385 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2025-03-04 06:37:24,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:37:24,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:37:24,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:37:24,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:37:24,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:37:24,404 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:37:24,404 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:37:24,404 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:37:24,405 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (1/1) ... [2025-03-04 06:37:24,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:37:24,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:37:24,435 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 06:37:24,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-04 06:37:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-04 06:37:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-04 06:37:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:37:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:37:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:37:24,459 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 06:37:24,563 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:37:24,564 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:37:24,809 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:37:24,809 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:37:24,912 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:37:24,912 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:37:24,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:37:24 BoogieIcfgContainer [2025-03-04 06:37:24,914 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:37:24,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:37:24,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:37:24,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:37:24,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:37:24" (1/3) ... [2025-03-04 06:37:24,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7133df04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:37:24, skipping insertion in model container [2025-03-04 06:37:24,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:37:24" (2/3) ... [2025-03-04 06:37:24,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7133df04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:37:24, skipping insertion in model container [2025-03-04 06:37:24,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:37:24" (3/3) ... [2025-03-04 06:37:24,922 INFO L128 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-03-04 06:37:24,934 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:37:24,935 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe015_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 4 procedures, 114 locations, 1 initial locations, 0 loop locations, and 23 error locations. [2025-03-04 06:37:24,936 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:37:24,990 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-04 06:37:25,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 116 transitions, 244 flow [2025-03-04 06:37:25,071 INFO L124 PetriNetUnfolderBase]: 3/113 cut-off events. [2025-03-04 06:37:25,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:37:25,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 3/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 150 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2025-03-04 06:37:25,078 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 116 transitions, 244 flow [2025-03-04 06:37:25,081 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 113 transitions, 235 flow [2025-03-04 06:37:25,086 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:37:25,096 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;@2c720a0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:37:25,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2025-03-04 06:37:25,100 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:37:25,101 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-03-04 06:37:25,101 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:37:25,101 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:37:25,101 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] [2025-03-04 06:37:25,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err4ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-04 06:37:25,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:37:25,107 INFO L85 PathProgramCache]: Analyzing trace with hash -64112939, now seen corresponding path program 1 times [2025-03-04 06:37:25,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:37:25,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035581449] [2025-03-04 06:37:25,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:37:25,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:37:25,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 06:37:25,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 06:37:25,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:37:25,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:37:25,248 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 06:37:25,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:37:25,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035581449] [2025-03-04 06:37:25,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035581449] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:37:25,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:37:25,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-04 06:37:25,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886890018] [2025-03-04 06:37:25,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:37:25,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 06:37:25,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:37:25,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 06:37:25,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 06:37:25,285 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 116 [2025-03-04 06:37:25,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 235 flow. Second operand has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 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 06:37:25,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:37:25,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 116 [2025-03-04 06:37:25,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:37:25,976 INFO L124 PetriNetUnfolderBase]: 1365/4701 cut-off events. [2025-03-04 06:37:25,977 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2025-03-04 06:37:25,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6781 conditions, 4701 events. 1365/4701 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 48002 event pairs, 1365 based on Foata normal form. 418/4731 useless extension candidates. Maximal degree in co-relation 6753. Up to 2002 conditions per place. [2025-03-04 06:37:26,016 INFO L140 encePairwiseOnDemand]: 92/116 looper letters, 19 selfloop transitions, 0 changer transitions 0/87 dead transitions. [2025-03-04 06:37:26,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 87 transitions, 221 flow [2025-03-04 06:37:26,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 06:37:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-04 06:37:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 187 transitions. [2025-03-04 06:37:26,027 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8060344827586207 [2025-03-04 06:37:26,028 INFO L175 Difference]: Start difference. First operand has 120 places, 113 transitions, 235 flow. Second operand 2 states and 187 transitions. [2025-03-04 06:37:26,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 87 transitions, 221 flow [2025-03-04 06:37:26,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 87 transitions, 218 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-04 06:37:26,037 INFO L231 Difference]: Finished difference. Result has 95 places, 87 transitions, 180 flow [2025-03-04 06:37:26,040 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=180, PETRI_PLACES=95, PETRI_TRANSITIONS=87} [2025-03-04 06:37:26,043 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, -25 predicate places. [2025-03-04 06:37:26,045 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 87 transitions, 180 flow [2025-03-04 06:37:26,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 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 06:37:26,045 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:37:26,045 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:37:26,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:37:26,046 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-04 06:37:26,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:37:26,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1492621843, now seen corresponding path program 1 times [2025-03-04 06:37:26,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:37:26,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982937947] [2025-03-04 06:37:26,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:37:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:37:26,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-04 06:37:26,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-04 06:37:26,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:37:26,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:37:26,136 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 06:37:26,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:37:26,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982937947] [2025-03-04 06:37:26,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982937947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:37:26,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:37:26,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:37:26,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544819418] [2025-03-04 06:37:26,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:37:26,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:37:26,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:37:26,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:37:26,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:37:26,143 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 116 [2025-03-04 06:37:26,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 87 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 06:37:26,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:37:26,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 116 [2025-03-04 06:37:26,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:37:26,726 INFO L124 PetriNetUnfolderBase]: 2095/6697 cut-off events. [2025-03-04 06:37:26,727 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:37:26,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 6697 events. 2095/6697 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 67098 event pairs, 635 based on Foata normal form. 0/6225 useless extension candidates. Maximal degree in co-relation 9802. Up to 2060 conditions per place. [2025-03-04 06:37:26,763 INFO L140 encePairwiseOnDemand]: 114/116 looper letters, 33 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2025-03-04 06:37:26,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 99 transitions, 272 flow [2025-03-04 06:37:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:37:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:37:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2025-03-04 06:37:26,765 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6954022988505747 [2025-03-04 06:37:26,765 INFO L175 Difference]: Start difference. First operand has 95 places, 87 transitions, 180 flow. Second operand 3 states and 242 transitions. [2025-03-04 06:37:26,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 99 transitions, 272 flow [2025-03-04 06:37:26,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 99 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:37:26,768 INFO L231 Difference]: Finished difference. Result has 96 places, 86 transitions, 180 flow [2025-03-04 06:37:26,768 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=96, PETRI_TRANSITIONS=86} [2025-03-04 06:37:26,769 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, -24 predicate places. [2025-03-04 06:37:26,769 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 86 transitions, 180 flow [2025-03-04 06:37:26,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 06:37:26,769 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:37:26,769 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] [2025-03-04 06:37:26,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:37:26,770 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2025-03-04 06:37:26,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:37:26,770 INFO L85 PathProgramCache]: Analyzing trace with hash -268303817, now seen corresponding path program 1 times [2025-03-04 06:37:26,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:37:26,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788349712] [2025-03-04 06:37:26,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:37:26,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:37:26,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-04 06:37:26,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-04 06:37:26,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:37:26,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:37:26,879 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 06:37:26,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:37:26,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788349712] [2025-03-04 06:37:26,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788349712] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:37:26,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:37:26,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:37:26,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490377552] [2025-03-04 06:37:26,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:37:26,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:37:26,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:37:26,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:37:26,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:37:26,890 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 116 [2025-03-04 06:37:26,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 86 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 06:37:26,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:37:26,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 116 [2025-03-04 06:37:26,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:37:27,332 INFO L124 PetriNetUnfolderBase]: 2095/5280 cut-off events. [2025-03-04 06:37:27,333 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:37:27,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8390 conditions, 5280 events. 2095/5280 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 46892 event pairs, 1365 based on Foata normal form. 0/5043 useless extension candidates. Maximal degree in co-relation 8386. Up to 2002 conditions per place. [2025-03-04 06:37:27,347 INFO L140 encePairwiseOnDemand]: 114/116 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2025-03-04 06:37:27,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 98 transitions, 272 flow [2025-03-04 06:37:27,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:37:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:37:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2025-03-04 06:37:27,348 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6954022988505747 [2025-03-04 06:37:27,348 INFO L175 Difference]: Start difference. First operand has 96 places, 86 transitions, 180 flow. Second operand 3 states and 242 transitions. [2025-03-04 06:37:27,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 98 transitions, 272 flow [2025-03-04 06:37:27,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 98 transitions, 271 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:37:27,350 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2025-03-04 06:37:27,350 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2025-03-04 06:37:27,350 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, -24 predicate places. [2025-03-04 06:37:27,353 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2025-03-04 06:37:27,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 06:37:27,355 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2025-03-04 06:37:27,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2025-03-04 06:37:27,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2025-03-04 06:37:27,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2025-03-04 06:37:27,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2025-03-04 06:37:27,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:37:27,360 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 06:37:27,366 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-04 06:37:27,367 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 06:37:27,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:37:27 BasicIcfg [2025-03-04 06:37:27,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 06:37:27,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 06:37:27,373 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 06:37:27,373 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 06:37:27,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:37:24" (3/4) ... [2025-03-04 06:37:27,376 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 06:37:27,378 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-03-04 06:37:27,378 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-03-04 06:37:27,378 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-03-04 06:37:27,381 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-04 06:37:27,382 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-04 06:37:27,382 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-04 06:37:27,382 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 06:37:27,439 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 06:37:27,439 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 06:37:27,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 06:37:27,441 INFO L158 Benchmark]: Toolchain (without parser) took 3410.52ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 153.0MB in the beginning and 100.1MB in the end (delta: 52.9MB). Peak memory consumption was 250.7MB. Max. memory is 16.1GB. [2025-03-04 06:37:27,441 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:37:27,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.30ms. Allocated memory is still 201.3MB. Free memory was 153.0MB in the beginning and 132.8MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 06:37:27,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.08ms. Allocated memory is still 201.3MB. Free memory was 132.8MB in the beginning and 131.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 06:37:27,443 INFO L158 Benchmark]: Boogie Preprocessor took 16.65ms. Allocated memory is still 201.3MB. Free memory was 130.8MB in the beginning and 130.0MB in the end (delta: 737.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:37:27,443 INFO L158 Benchmark]: IcfgBuilder took 509.70ms. Allocated memory is still 201.3MB. Free memory was 129.7MB in the beginning and 99.7MB in the end (delta: 30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 06:37:27,443 INFO L158 Benchmark]: TraceAbstraction took 2456.94ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 99.1MB in the beginning and 106.0MB in the end (delta: -7.0MB). Peak memory consumption was 200.3MB. Max. memory is 16.1GB. [2025-03-04 06:37:27,444 INFO L158 Benchmark]: Witness Printer took 66.45ms. Allocated memory is still 402.7MB. Free memory was 106.0MB in the beginning and 100.1MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 06:37:27,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.30ms. Allocated memory is still 201.3MB. Free memory was 153.0MB in the beginning and 132.8MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.08ms. Allocated memory is still 201.3MB. Free memory was 132.8MB in the beginning and 131.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.65ms. Allocated memory is still 201.3MB. Free memory was 130.8MB in the beginning and 130.0MB in the end (delta: 737.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 509.70ms. Allocated memory is still 201.3MB. Free memory was 129.7MB in the beginning and 99.7MB in the end (delta: 30.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2456.94ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 99.1MB in the beginning and 106.0MB in the end (delta: -7.0MB). Peak memory consumption was 200.3MB. Max. memory is 16.1GB. * Witness Printer took 66.45ms. Allocated memory is still 402.7MB. Free memory was 106.0MB in the beginning and 100.1MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 156 locations, 40 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: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-04 06:37:27,462 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