./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe025_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 9071d56f4666aca734ab742196d3aa15fce92ad6b7c276706d2cff43d2d6147a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:50:52,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:50:52,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:50:52,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:50:52,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:50:52,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:50:52,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:50:52,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:50:52,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:50:52,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:50:52,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:50:52,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:50:52,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:50:52,318 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:50:52,318 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:50:52,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:50:52,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:50:52,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:50:52,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:50:52,320 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 -> 9071d56f4666aca734ab742196d3aa15fce92ad6b7c276706d2cff43d2d6147a [2025-03-08 21:50:52,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:50:52,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:50:52,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:50:52,567 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:50:52,568 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:50:52,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-03-08 21:50:53,760 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebcf0e8a9/d60d2db5b58641ddb30e1ab86cc37b15/FLAGa0ebcfa97 [2025-03-08 21:50:54,037 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:50:54,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-03-08 21:50:54,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebcf0e8a9/d60d2db5b58641ddb30e1ab86cc37b15/FLAGa0ebcfa97 [2025-03-08 21:50:54,067 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebcf0e8a9/d60d2db5b58641ddb30e1ab86cc37b15 [2025-03-08 21:50:54,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:50:54,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:50:54,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:50:54,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:50:54,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:50:54,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d50431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54, skipping insertion in model container [2025-03-08 21:50:54,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:50:54,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:50:54,352 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:50:54,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:50:54,424 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:50:54,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54 WrapperNode [2025-03-08 21:50:54,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:50:54,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:50:54,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:50:54,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:50:54,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,460 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2025-03-08 21:50:54,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:50:54,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:50:54,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:50:54,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:50:54,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,483 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:50:54,492 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:50:54,492 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:50:54,492 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:50:54,493 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (1/1) ... [2025-03-08 21:50:54,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:50:54,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:50:54,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 21:50:54,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 21:50:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 21:50:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:50:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-08 21:50:54,550 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-08 21:50:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-08 21:50:54,551 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-08 21:50:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-08 21:50:54,551 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-08 21:50:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:50:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 21:50:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:50:54,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:50:54,552 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:50:54,647 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:50:54,648 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:50:54,869 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:50:54,869 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:50:54,973 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:50:54,974 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:50:54,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:50:54 BoogieIcfgContainer [2025-03-08 21:50:54,974 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:50:54,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:50:54,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:50:54,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:50:54,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:50:54" (1/3) ... [2025-03-08 21:50:54,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fcf47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:50:54, skipping insertion in model container [2025-03-08 21:50:54,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:54" (2/3) ... [2025-03-08 21:50:54,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fcf47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:50:54, skipping insertion in model container [2025-03-08 21:50:54,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:50:54" (3/3) ... [2025-03-08 21:50:54,982 INFO L128 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-03-08 21:50:54,993 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:50:54,994 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 4 procedures, 116 locations, 1 initial locations, 0 loop locations, and 24 error locations. [2025-03-08 21:50:54,994 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:50:55,048 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:50:55,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 118 transitions, 248 flow [2025-03-08 21:50:55,124 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2025-03-08 21:50:55,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:50:55,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 140 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2025-03-08 21:50:55,132 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 118 transitions, 248 flow [2025-03-08 21:50:55,136 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 115 transitions, 239 flow [2025-03-08 21:50:55,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:50:55,149 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;@210d0496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:50:55,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-03-08 21:50:55,159 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:50:55,160 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-03-08 21:50:55,161 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:50:55,161 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:50:55,162 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] [2025-03-08 21:50:55,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err4ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2025-03-08 21:50:55,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:50:55,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1811617284, now seen corresponding path program 1 times [2025-03-08 21:50:55,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:50:55,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380626160] [2025-03-08 21:50:55,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:50:55,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:50:55,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 21:50:55,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 21:50:55,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:50:55,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:50:55,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:50:55,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:50:55,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380626160] [2025-03-08 21:50:55,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380626160] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:50:55,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:50:55,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:50:55,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121061116] [2025-03-08 21:50:55,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:50:55,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:50:55,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:50:55,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:50:55,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:50:55,331 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 118 [2025-03-08 21:50:55,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 115 transitions, 239 flow. Second operand has 2 states, 2 states have (on average 74.0) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:50:55,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:50:55,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 118 [2025-03-08 21:50:55,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:50:55,949 INFO L124 PetriNetUnfolderBase]: 1365/4702 cut-off events. [2025-03-08 21:50:55,949 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2025-03-08 21:50:55,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6782 conditions, 4702 events. 1365/4702 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 47800 event pairs, 1365 based on Foata normal form. 418/4733 useless extension candidates. Maximal degree in co-relation 6753. Up to 2002 conditions per place. [2025-03-08 21:50:55,980 INFO L140 encePairwiseOnDemand]: 93/118 looper letters, 19 selfloop transitions, 0 changer transitions 0/88 dead transitions. [2025-03-08 21:50:55,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 88 transitions, 223 flow [2025-03-08 21:50:55,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:50:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:50:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 190 transitions. [2025-03-08 21:50:55,990 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8050847457627118 [2025-03-08 21:50:55,991 INFO L175 Difference]: Start difference. First operand has 122 places, 115 transitions, 239 flow. Second operand 2 states and 190 transitions. [2025-03-08 21:50:55,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 88 transitions, 223 flow [2025-03-08 21:50:55,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 220 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 21:50:55,997 INFO L231 Difference]: Finished difference. Result has 96 places, 88 transitions, 182 flow [2025-03-08 21:50:55,999 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=182, PETRI_PLACES=96, PETRI_TRANSITIONS=88} [2025-03-08 21:50:56,002 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -26 predicate places. [2025-03-08 21:50:56,003 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 88 transitions, 182 flow [2025-03-08 21:50:56,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.0) internal successors, (148), 2 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:50:56,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:50:56,004 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] [2025-03-08 21:50:56,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:50:56,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2025-03-08 21:50:56,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:50:56,005 INFO L85 PathProgramCache]: Analyzing trace with hash 572166239, now seen corresponding path program 1 times [2025-03-08 21:50:56,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:50:56,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712268317] [2025-03-08 21:50:56,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:50:56,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:50:56,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 21:50:56,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 21:50:56,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:50:56,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:50:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:50:56,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:50:56,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712268317] [2025-03-08 21:50:56,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712268317] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:50:56,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:50:56,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:50:56,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116316651] [2025-03-08 21:50:56,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:50:56,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:50:56,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:50:56,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:50:56,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:50:56,101 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 118 [2025-03-08 21:50:56,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 88 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:50:56,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:50:56,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 118 [2025-03-08 21:50:56,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:50:56,640 INFO L124 PetriNetUnfolderBase]: 2095/6698 cut-off events. [2025-03-08 21:50:56,640 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:50:56,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9806 conditions, 6698 events. 2095/6698 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 67082 event pairs, 635 based on Foata normal form. 0/6227 useless extension candidates. Maximal degree in co-relation 9803. Up to 2060 conditions per place. [2025-03-08 21:50:56,683 INFO L140 encePairwiseOnDemand]: 116/118 looper letters, 33 selfloop transitions, 1 changer transitions 0/100 dead transitions. [2025-03-08 21:50:56,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 100 transitions, 274 flow [2025-03-08 21:50:56,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:50:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:50:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2025-03-08 21:50:56,685 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.692090395480226 [2025-03-08 21:50:56,685 INFO L175 Difference]: Start difference. First operand has 96 places, 88 transitions, 182 flow. Second operand 3 states and 245 transitions. [2025-03-08 21:50:56,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 100 transitions, 274 flow [2025-03-08 21:50:56,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 274 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:50:56,687 INFO L231 Difference]: Finished difference. Result has 97 places, 87 transitions, 182 flow [2025-03-08 21:50:56,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2025-03-08 21:50:56,688 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -25 predicate places. [2025-03-08 21:50:56,688 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 182 flow [2025-03-08 21:50:56,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:50:56,688 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:50:56,688 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:50:56,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:50:56,689 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err4ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE (and 38 more)] === [2025-03-08 21:50:56,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:50:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1217088648, now seen corresponding path program 1 times [2025-03-08 21:50:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:50:56,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025221345] [2025-03-08 21:50:56,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:50:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:50:56,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-08 21:50:56,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-08 21:50:56,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:50:56,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:50:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:50:56,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:50:56,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025221345] [2025-03-08 21:50:56,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025221345] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:50:56,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:50:56,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:50:56,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239047402] [2025-03-08 21:50:56,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:50:56,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:50:56,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:50:56,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:50:56,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:50:56,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 118 [2025-03-08 21:50:56,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:50:56,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:50:56,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 118 [2025-03-08 21:50:56,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:50:57,135 INFO L124 PetriNetUnfolderBase]: 2095/5281 cut-off events. [2025-03-08 21:50:57,136 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:50:57,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8391 conditions, 5281 events. 2095/5281 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 46698 event pairs, 1365 based on Foata normal form. 0/5045 useless extension candidates. Maximal degree in co-relation 8387. Up to 2002 conditions per place. [2025-03-08 21:50:57,149 INFO L140 encePairwiseOnDemand]: 116/118 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2025-03-08 21:50:57,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 99 transitions, 274 flow [2025-03-08 21:50:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:50:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:50:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2025-03-08 21:50:57,153 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.692090395480226 [2025-03-08 21:50:57,153 INFO L175 Difference]: Start difference. First operand has 97 places, 87 transitions, 182 flow. Second operand 3 states and 245 transitions. [2025-03-08 21:50:57,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 99 transitions, 274 flow [2025-03-08 21:50:57,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 99 transitions, 273 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:50:57,154 INFO L231 Difference]: Finished difference. Result has 97 places, 0 transitions, 0 flow [2025-03-08 21:50:57,154 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=97, PETRI_TRANSITIONS=0} [2025-03-08 21:50:57,155 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -25 predicate places. [2025-03-08 21:50:57,155 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 0 transitions, 0 flow [2025-03-08 21:50:57,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (41 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (40 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (39 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (37 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (36 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (35 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (34 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (33 of 42 remaining) [2025-03-08 21:50:57,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (32 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (31 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (30 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (27 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (14 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (13 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (12 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (11 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (10 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (9 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (8 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 42 remaining) [2025-03-08 21:50:57,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (6 of 42 remaining) [2025-03-08 21:50:57,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (5 of 42 remaining) [2025-03-08 21:50:57,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (4 of 42 remaining) [2025-03-08 21:50:57,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (3 of 42 remaining) [2025-03-08 21:50:57,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 42 remaining) [2025-03-08 21:50:57,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (1 of 42 remaining) [2025-03-08 21:50:57,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (0 of 42 remaining) [2025-03-08 21:50:57,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:50:57,161 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 21:50:57,168 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:50:57,168 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:50:57,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:50:57 BasicIcfg [2025-03-08 21:50:57,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:50:57,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:50:57,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:50:57,174 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:50:57,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:50:54" (3/4) ... [2025-03-08 21:50:57,176 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:50:57,177 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-03-08 21:50:57,177 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-03-08 21:50:57,177 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-03-08 21:50:57,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-08 21:50:57,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 21:50:57,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 21:50:57,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:50:57,250 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:50:57,250 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:50:57,250 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:50:57,251 INFO L158 Benchmark]: Toolchain (without parser) took 3180.75ms. Allocated memory was 167.8MB in the beginning and 411.0MB in the end (delta: 243.3MB). Free memory was 123.6MB in the beginning and 194.8MB in the end (delta: -71.2MB). Peak memory consumption was 167.8MB. Max. memory is 16.1GB. [2025-03-08 21:50:57,251 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:50:57,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.61ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 103.5MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:50:57,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.86ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 101.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:50:57,253 INFO L158 Benchmark]: Boogie Preprocessor took 29.64ms. Allocated memory is still 167.8MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:50:57,253 INFO L158 Benchmark]: IcfgBuilder took 482.72ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 69.9MB in the end (delta: 30.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:50:57,253 INFO L158 Benchmark]: TraceAbstraction took 2197.57ms. Allocated memory was 167.8MB in the beginning and 411.0MB in the end (delta: 243.3MB). Free memory was 69.2MB in the beginning and 203.3MB in the end (delta: -134.1MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. [2025-03-08 21:50:57,254 INFO L158 Benchmark]: Witness Printer took 75.97ms. Allocated memory is still 411.0MB. Free memory was 203.3MB in the beginning and 194.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:50:57,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.61ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 103.5MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.86ms. Allocated memory is still 167.8MB. Free memory was 103.5MB in the beginning and 101.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.64ms. Allocated memory is still 167.8MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 482.72ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 69.9MB in the end (delta: 30.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2197.57ms. Allocated memory was 167.8MB in the beginning and 411.0MB in the end (delta: 243.3MB). Free memory was 69.2MB in the beginning and 203.3MB in the end (delta: -134.1MB). Peak memory consumption was 209.7MB. Max. memory is 16.1GB. * Witness Printer took 75.97ms. Allocated memory is still 411.0MB. Free memory was 203.3MB in the beginning and 194.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: 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: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: 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 - PositiveResult [Line: 793]: 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 - PositiveResult [Line: 793]: 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 - PositiveResult [Line: 795]: 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, 159 locations, 158 edges, 42 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: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 2 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, 2 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=239occurred 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, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 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 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:50:57,273 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