/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis PETRI_NET -i ../../../trunk/examples/svcomp/pthread-theta/unwind3-nondet.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 21:08:26,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 21:08:26,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-13 21:08:26,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 21:08:26,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 21:08:26,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 21:08:26,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 21:08:26,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 21:08:26,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 21:08:26,392 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 21:08:26,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 21:08:26,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 21:08:26,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 21:08:26,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 21:08:26,393 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 21:08:26,394 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 21:08:26,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 21:08:26,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 21:08:26,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 21:08:26,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 21:08:26,395 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> PETRI_NET [2025-04-13 21:08:26,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 21:08:26,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 21:08:26,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 21:08:26,619 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 21:08:26,621 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 21:08:26,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-theta/unwind3-nondet.i [2025-04-13 21:08:27,931 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb5cf1e7/32b624515fd24c55ba2d849367cd25c1/FLAG24f40a7ec [2025-04-13 21:08:28,133 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 21:08:28,134 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-theta/unwind3-nondet.i [2025-04-13 21:08:28,143 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb5cf1e7/32b624515fd24c55ba2d849367cd25c1/FLAG24f40a7ec [2025-04-13 21:08:28,982 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beb5cf1e7/32b624515fd24c55ba2d849367cd25c1 [2025-04-13 21:08:28,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 21:08:28,986 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 21:08:28,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 21:08:28,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 21:08:28,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 21:08:28,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 09:08:28" (1/1) ... [2025-04-13 21:08:28,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5570650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:28, skipping insertion in model container [2025-04-13 21:08:28,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 09:08:28" (1/1) ... [2025-04-13 21:08:29,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 21:08:29,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-theta/unwind3-nondet.i[33026,33039] [2025-04-13 21:08:29,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 21:08:29,298 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 21:08:29,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-theta/unwind3-nondet.i[33026,33039] [2025-04-13 21:08:29,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 21:08:29,387 INFO L204 MainTranslator]: Completed translation [2025-04-13 21:08:29,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29 WrapperNode [2025-04-13 21:08:29,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 21:08:29,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 21:08:29,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 21:08:29,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 21:08:29,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,415 INFO L138 Inliner]: procedures = 169, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2025-04-13 21:08:29,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 21:08:29,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 21:08:29,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 21:08:29,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 21:08:29,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,435 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-04-13 21:08:29,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,439 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 21:08:29,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 21:08:29,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 21:08:29,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 21:08:29,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (1/1) ... [2025-04-13 21:08:29,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 21:08:29,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 21:08:29,470 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) [2025-04-13 21:08:29,472 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 [2025-04-13 21:08:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 21:08:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2025-04-13 21:08:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2025-04-13 21:08:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2025-04-13 21:08:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2025-04-13 21:08:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 21:08:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 21:08:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 21:08:29,490 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 21:08:29,595 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 21:08:29,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 21:08:29,709 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 21:08:29,709 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 21:08:29,709 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 21:08:29,808 WARN L179 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2025-04-13 21:08:29,812 INFO L313 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 21:08:29,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 09:08:29 BoogieIcfgContainer [2025-04-13 21:08:29,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 21:08:29,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 21:08:29,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 21:08:29,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 21:08:29,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 09:08:28" (1/3) ... [2025-04-13 21:08:29,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e555b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 09:08:29, skipping insertion in model container [2025-04-13 21:08:29,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:08:29" (2/3) ... [2025-04-13 21:08:29,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e555b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 09:08:29, skipping insertion in model container [2025-04-13 21:08:29,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 09:08:29" (3/3) ... [2025-04-13 21:08:29,821 INFO L128 eAbstractionObserver]: Analyzing ICFG unwind3-nondet.i [2025-04-13 21:08:29,829 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 21:08:29,830 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unwind3-nondet.i that has 3 procedures, 16 locations, 16 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-04-13 21:08:29,830 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 21:08:29,862 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-13 21:08:29,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 22 places, 18 transitions, 44 flow [2025-04-13 21:08:29,907 INFO L116 PetriNetUnfolderBase]: 2/23 cut-off events. [2025-04-13 21:08:29,911 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-13 21:08:29,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 2/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 50 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 13. Up to 4 conditions per place. [2025-04-13 21:08:29,912 INFO L82 GeneralOperation]: Start removeDead. Operand has 22 places, 18 transitions, 44 flow [2025-04-13 21:08:29,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 20 places, 16 transitions, 39 flow [2025-04-13 21:08:29,926 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 21:08:29,935 INFO L340 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;@462920aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 21:08:29,937 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-13 21:08:29,944 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-13 21:08:29,944 INFO L116 PetriNetUnfolderBase]: 1/12 cut-off events. [2025-04-13 21:08:29,944 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-13 21:08:29,944 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 21:08:29,945 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-04-13 21:08:29,945 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-13 21:08:29,952 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 21:08:29,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1731791098, now seen corresponding path program 1 times [2025-04-13 21:08:29,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 21:08:29,960 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535864943] [2025-04-13 21:08:29,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 21:08:29,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 21:08:30,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-13 21:08:30,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-13 21:08:30,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:08:30,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-13 21:08:30,034 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-13 21:08:30,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-13 21:08:30,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-13 21:08:30,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:08:30,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-13 21:08:30,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-13 21:08:30,067 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-13 21:08:30,068 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2025-04-13 21:08:30,070 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-13 21:08:30,070 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-04-13 21:08:30,070 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2025-04-13 21:08:30,071 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 21:08:30,071 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-13 21:08:30,074 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-04-13 21:08:30,074 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-04-13 21:08:30,100 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-13 21:08:30,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 27 transitions, 74 flow [2025-04-13 21:08:30,109 INFO L116 PetriNetUnfolderBase]: 3/35 cut-off events. [2025-04-13 21:08:30,109 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-13 21:08:30,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 35 events. 3/35 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 100 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2025-04-13 21:08:30,109 INFO L82 GeneralOperation]: Start removeDead. Operand has 34 places, 27 transitions, 74 flow [2025-04-13 21:08:30,109 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 20 transitions, 53 flow [2025-04-13 21:08:30,110 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 21:08:30,111 INFO L340 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;@462920aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 21:08:30,111 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-13 21:08:30,115 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-13 21:08:30,115 INFO L116 PetriNetUnfolderBase]: 1/15 cut-off events. [2025-04-13 21:08:30,115 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-13 21:08:30,115 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 21:08:30,115 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2025-04-13 21:08:30,115 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-04-13 21:08:30,115 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 21:08:30,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1764387795, now seen corresponding path program 1 times [2025-04-13 21:08:30,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 21:08:30,116 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765249317] [2025-04-13 21:08:30,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 21:08:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 21:08:30,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-13 21:08:30,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-13 21:08:30,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:08:30,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-13 21:08:30,131 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-13 21:08:30,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-13 21:08:30,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-13 21:08:30,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:08:30,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-13 21:08:30,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-13 21:08:30,146 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-13 21:08:30,146 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-13 21:08:30,147 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-13 21:08:30,147 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-13 21:08:30,147 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2025-04-13 21:08:30,147 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2025-04-13 21:08:30,147 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 21:08:30,147 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-13 21:08:30,174 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2025-04-13 21:08:30,174 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 21:08:30,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 09:08:30 BasicIcfg [2025-04-13 21:08:30,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 21:08:30,180 INFO L158 Benchmark]: Toolchain (without parser) took 1194.26ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 29.2MB in the end (delta: 79.4MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2025-04-13 21:08:30,180 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 21:08:30,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.44ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 85.9MB in the end (delta: 22.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-13 21:08:30,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.56ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 21:08:30,180 INFO L158 Benchmark]: Boogie Preprocessor took 28.39ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 81.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 21:08:30,181 INFO L158 Benchmark]: RCFGBuilder took 367.19ms. Allocated memory is still 155.2MB. Free memory was 81.7MB in the beginning and 58.6MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2025-04-13 21:08:30,181 INFO L158 Benchmark]: TraceAbstraction took 364.54ms. Allocated memory is still 155.2MB. Free memory was 57.9MB in the beginning and 29.2MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-04-13 21:08:30,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 401.44ms. Allocated memory is still 155.2MB. Free memory was 108.6MB in the beginning and 85.9MB in the end (delta: 22.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.56ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 28.39ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 81.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 367.19ms. Allocated memory is still 155.2MB. Free memory was 81.7MB in the beginning and 58.6MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 364.54ms. Allocated memory is still 155.2MB. Free memory was 57.9MB in the beginning and 29.2MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 753]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L754] 0 int _N; [L755] 0 atomic_int limit; [L770] 0 _N = __VERIFIER_nondet_int() [L771] CALL 0 assume_abort_if_not(0 <= _N && _N <= 0x7fffffff / 2) [L750] COND FALSE 0 !(!cond) [L771] RET 0 assume_abort_if_not(0 <= _N && _N <= 0x7fffffff / 2) [L772] 0 limit = _N VAL [_N=0, limit=0] [L773] 0 int i = 0; [L773] COND FALSE 0 !(i < _N) [L777] 0 pthread_t t; [L778] FCALL, FORK 0 pthread_create(&t, 0, f2, 0) VAL [_N=0, limit=0, t=0] [L763] 1 int i, bound; [L764] 1 bound = limit [L765] 1 i = 0 VAL [\at(arg, Pre)={0:0}, _N=0, arg={0:0}, bound=0, i=0, limit=0] [L765] COND FALSE 1 !(i < bound) [L766] CALL 1 __VERIFIER_assert(i != 2 * _N) [L753] COND TRUE 1 !expression [L753] 1 reach_error() VAL [\at(expression, Pre)=0, _N=0, expression=0, limit=0] - UnprovableResult [Line: 775]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 26 locations, 27 edges, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 34 locations, 36 edges, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2025-04-13 21:08:30,193 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...