/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_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis PETRI_NET --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-14 00:10:36,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 00:10:36,070 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 [2025-04-14 00:10:36,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 00:10:36,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 00:10:36,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 00:10:36,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 00:10:36,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 00:10:36,100 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-14 00:10:36,100 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-14 00:10:36,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 00:10:36,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 00:10:36,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 00:10:36,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 00:10:36,102 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 00:10:36,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 00:10:36,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 00:10:36,103 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 00:10:36,103 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:10:36,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:10:36,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 00:10:36,104 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 00:10:36,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 00:10:36,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 00:10:36,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 00:10:36,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-14 00:10:36,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-14 00:10:36,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 00:10:36,105 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 00:10:36,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 00:10:36,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 00:10:36,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 00:10:36,347 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 00:10:36,347 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 00:10:36,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2025-04-14 00:10:37,629 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d522886/7720436d5cb64259b0a93b1f84efd28e/FLAG9d181d965 [2025-04-14 00:10:37,863 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 00:10:37,864 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.i [2025-04-14 00:10:37,872 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d522886/7720436d5cb64259b0a93b1f84efd28e/FLAG9d181d965 [2025-04-14 00:10:38,680 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d522886/7720436d5cb64259b0a93b1f84efd28e [2025-04-14 00:10:38,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 00:10:38,683 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 00:10:38,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 00:10:38,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 00:10:38,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 00:10:38,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:10:38" (1/1) ... [2025-04-14 00:10:38,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e7761c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:38, skipping insertion in model container [2025-04-14 00:10:38,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:10:38" (1/1) ... [2025-04-14 00:10:38,722 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 00:10:38,899 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-wmm/safe029_tso.i[945,958] [2025-04-14 00:10:39,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:10:39,008 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 00:10:39,026 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-wmm/safe029_tso.i[945,958] [2025-04-14 00:10:39,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:10:39,100 INFO L204 MainTranslator]: Completed translation [2025-04-14 00:10:39,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39 WrapperNode [2025-04-14 00:10:39,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 00:10:39,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 00:10:39,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 00:10:39,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 00:10:39,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,140 INFO L138 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2025-04-14 00:10:39,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 00:10:39,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 00:10:39,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 00:10:39,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 00:10:39,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,162 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]. [2025-04-14 00:10:39,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 00:10:39,174 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 00:10:39,174 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 00:10:39,174 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 00:10:39,175 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (1/1) ... [2025-04-14 00:10:39,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:10:39,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 00:10:39,200 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) [2025-04-14 00:10:39,202 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 [2025-04-14 00:10:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 00:10:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 00:10:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-14 00:10:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-14 00:10:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-14 00:10:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-14 00:10:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-14 00:10:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 00:10:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 00:10:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 00:10:39,219 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 00:10:39,312 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 00:10:39,314 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 00:10:39,436 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 00:10:39,437 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 00:10:39,437 INFO L318 CfgBuilder]: Performing block encoding [2025-04-14 00:10:39,538 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 00:10:39,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:10:39 BoogieIcfgContainer [2025-04-14 00:10:39,539 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 00:10:39,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 00:10:39,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 00:10:39,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 00:10:39,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:10:38" (1/3) ... [2025-04-14 00:10:39,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577e08da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:10:39, skipping insertion in model container [2025-04-14 00:10:39,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:10:39" (2/3) ... [2025-04-14 00:10:39,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577e08da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:10:39, skipping insertion in model container [2025-04-14 00:10:39,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:10:39" (3/3) ... [2025-04-14 00:10:39,550 INFO L128 eAbstractionObserver]: Analyzing ICFG safe029_tso.i [2025-04-14 00:10:39,561 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 00:10:39,563 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe029_tso.i that has 3 procedures, 26 locations, 23 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-14 00:10:39,563 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 00:10:39,598 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-14 00:10:39,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 25 transitions, 58 flow [2025-04-14 00:10:39,651 INFO L116 PetriNetUnfolderBase]: 0/23 cut-off events. [2025-04-14 00:10:39,655 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:10:39,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 23 events. 0/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-04-14 00:10:39,656 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 25 transitions, 58 flow [2025-04-14 00:10:39,659 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 22 transitions, 50 flow [2025-04-14 00:10:39,667 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-14 00:10:39,680 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;@45ab972c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 00:10:39,680 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 00:10:39,691 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-14 00:10:39,692 INFO L116 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-04-14 00:10:39,692 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:10:39,692 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:10:39,692 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:10:39,692 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 00:10:39,696 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:10:39,696 INFO L85 PathProgramCache]: Analyzing trace with hash -2033292295, now seen corresponding path program 1 times [2025-04-14 00:10:39,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:10:39,702 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832984415] [2025-04-14 00:10:39,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:10:39,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:10:39,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-14 00:10:39,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-14 00:10:39,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:10:39,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:10:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:10:40,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:10:40,097 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832984415] [2025-04-14 00:10:40,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832984415] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:10:40,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:10:40,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 00:10:40,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741912558] [2025-04-14 00:10:40,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:10:40,106 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 00:10:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:10:40,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 00:10:40,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 00:10:40,126 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 25 [2025-04-14 00:10:40,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 22 transitions, 50 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-04-14 00:10:40,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:10:40,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 25 [2025-04-14 00:10:40,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:10:40,320 INFO L116 PetriNetUnfolderBase]: 413/712 cut-off events. [2025-04-14 00:10:40,320 INFO L117 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-04-14 00:10:40,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 712 events. 413/712 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3066 event pairs, 194 based on Foata normal form. 36/747 useless extension candidates. Maximal degree in co-relation 1430. Up to 632 conditions per place. [2025-04-14 00:10:40,330 INFO L140 encePairwiseOnDemand]: 20/25 looper letters, 26 selfloop transitions, 3 changer transitions 14/45 dead transitions. [2025-04-14 00:10:40,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 45 transitions, 185 flow [2025-04-14 00:10:40,333 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 00:10:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-14 00:10:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 65 transitions. [2025-04-14 00:10:40,342 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.52 [2025-04-14 00:10:40,343 INFO L175 Difference]: Start difference. First operand has 29 places, 22 transitions, 50 flow. Second operand 5 states and 65 transitions. [2025-04-14 00:10:40,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 45 transitions, 185 flow [2025-04-14 00:10:40,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 45 transitions, 182 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-14 00:10:40,349 INFO L231 Difference]: Finished difference. Result has 34 places, 24 transitions, 75 flow [2025-04-14 00:10:40,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=75, PETRI_PLACES=34, PETRI_TRANSITIONS=24} [2025-04-14 00:10:40,356 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 5 predicate places. [2025-04-14 00:10:40,356 INFO L485 AbstractCegarLoop]: Abstraction has has 34 places, 24 transitions, 75 flow [2025-04-14 00:10:40,357 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-04-14 00:10:40,357 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:10:40,357 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:10:40,357 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 00:10:40,357 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 00:10:40,357 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:10:40,357 INFO L85 PathProgramCache]: Analyzing trace with hash 200614240, now seen corresponding path program 1 times [2025-04-14 00:10:40,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:10:40,358 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932182614] [2025-04-14 00:10:40,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:10:40,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:10:40,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 00:10:40,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 00:10:40,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:10:40,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:10:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:10:40,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:10:40,514 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932182614] [2025-04-14 00:10:40,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932182614] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:10:40,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:10:40,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 00:10:40,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475850554] [2025-04-14 00:10:40,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:10:40,515 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 00:10:40,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:10:40,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 00:10:40,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 00:10:40,517 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 25 [2025-04-14 00:10:40,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 24 transitions, 75 flow. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2025-04-14 00:10:40,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:10:40,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 25 [2025-04-14 00:10:40,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:10:40,785 INFO L116 PetriNetUnfolderBase]: 601/1045 cut-off events. [2025-04-14 00:10:40,785 INFO L117 PetriNetUnfolderBase]: For 424/424 co-relation queries the response was YES. [2025-04-14 00:10:40,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2494 conditions, 1045 events. 601/1045 cut-off events. For 424/424 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5058 event pairs, 52 based on Foata normal form. 50/1094 useless extension candidates. Maximal degree in co-relation 2481. Up to 513 conditions per place. [2025-04-14 00:10:40,794 INFO L140 encePairwiseOnDemand]: 20/25 looper letters, 38 selfloop transitions, 5 changer transitions 20/65 dead transitions. [2025-04-14 00:10:40,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 65 transitions, 308 flow [2025-04-14 00:10:40,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 00:10:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-04-14 00:10:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 92 transitions. [2025-04-14 00:10:40,796 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.5257142857142857 [2025-04-14 00:10:40,796 INFO L175 Difference]: Start difference. First operand has 34 places, 24 transitions, 75 flow. Second operand 7 states and 92 transitions. [2025-04-14 00:10:40,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 65 transitions, 308 flow [2025-04-14 00:10:40,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 65 transitions, 300 flow, removed 2 selfloop flow, removed 2 redundant places. [2025-04-14 00:10:40,803 INFO L231 Difference]: Finished difference. Result has 41 places, 26 transitions, 100 flow [2025-04-14 00:10:40,803 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=100, PETRI_PLACES=41, PETRI_TRANSITIONS=26} [2025-04-14 00:10:40,804 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 12 predicate places. [2025-04-14 00:10:40,804 INFO L485 AbstractCegarLoop]: Abstraction has has 41 places, 26 transitions, 100 flow [2025-04-14 00:10:40,804 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2025-04-14 00:10:40,804 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:10:40,804 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:10:40,804 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 00:10:40,804 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 00:10:40,806 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:10:40,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1860994138, now seen corresponding path program 1 times [2025-04-14 00:10:40,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:10:40,806 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81514376] [2025-04-14 00:10:40,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:10:40,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:10:40,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-14 00:10:40,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-14 00:10:40,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:10:40,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:10:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:10:40,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:10:40,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81514376] [2025-04-14 00:10:40,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81514376] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:10:40,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:10:40,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 00:10:40,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303176919] [2025-04-14 00:10:40,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:10:40,934 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 00:10:40,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:10:40,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 00:10:40,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 00:10:40,935 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 25 [2025-04-14 00:10:40,935 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 26 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-04-14 00:10:40,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:10:40,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 25 [2025-04-14 00:10:40,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:10:41,083 INFO L116 PetriNetUnfolderBase]: 606/1064 cut-off events. [2025-04-14 00:10:41,084 INFO L117 PetriNetUnfolderBase]: For 1254/1254 co-relation queries the response was YES. [2025-04-14 00:10:41,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2782 conditions, 1064 events. 606/1064 cut-off events. For 1254/1254 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5091 event pairs, 368 based on Foata normal form. 44/1107 useless extension candidates. Maximal degree in co-relation 2764. Up to 800 conditions per place. [2025-04-14 00:10:41,090 INFO L140 encePairwiseOnDemand]: 18/25 looper letters, 32 selfloop transitions, 9 changer transitions 13/56 dead transitions. [2025-04-14 00:10:41,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 56 transitions, 306 flow [2025-04-14 00:10:41,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 00:10:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-14 00:10:41,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2025-04-14 00:10:41,092 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.576 [2025-04-14 00:10:41,092 INFO L175 Difference]: Start difference. First operand has 41 places, 26 transitions, 100 flow. Second operand 5 states and 72 transitions. [2025-04-14 00:10:41,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 56 transitions, 306 flow [2025-04-14 00:10:41,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 56 transitions, 290 flow, removed 8 selfloop flow, removed 3 redundant places. [2025-04-14 00:10:41,098 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 164 flow [2025-04-14 00:10:41,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=164, PETRI_PLACES=43, PETRI_TRANSITIONS=30} [2025-04-14 00:10:41,099 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 14 predicate places. [2025-04-14 00:10:41,099 INFO L485 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 164 flow [2025-04-14 00:10:41,100 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-04-14 00:10:41,100 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:10:41,100 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:10:41,100 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 00:10:41,100 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 00:10:41,101 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:10:41,101 INFO L85 PathProgramCache]: Analyzing trace with hash -482406175, now seen corresponding path program 1 times [2025-04-14 00:10:41,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:10:41,101 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351587432] [2025-04-14 00:10:41,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:10:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:10:41,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-14 00:10:41,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-14 00:10:41,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:10:41,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:10:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:10:41,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:10:41,189 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351587432] [2025-04-14 00:10:41,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351587432] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:10:41,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:10:41,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 00:10:41,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421252902] [2025-04-14 00:10:41,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:10:41,190 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 00:10:41,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:10:41,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 00:10:41,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 00:10:41,190 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 25 [2025-04-14 00:10:41,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-04-14 00:10:41,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:10:41,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 25 [2025-04-14 00:10:41,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:10:41,294 INFO L116 PetriNetUnfolderBase]: 395/739 cut-off events. [2025-04-14 00:10:41,294 INFO L117 PetriNetUnfolderBase]: For 1065/1065 co-relation queries the response was YES. [2025-04-14 00:10:41,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2060 conditions, 739 events. 395/739 cut-off events. For 1065/1065 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3448 event pairs, 98 based on Foata normal form. 60/798 useless extension candidates. Maximal degree in co-relation 2039. Up to 335 conditions per place. [2025-04-14 00:10:41,296 INFO L140 encePairwiseOnDemand]: 20/25 looper letters, 33 selfloop transitions, 4 changer transitions 17/56 dead transitions. [2025-04-14 00:10:41,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 408 flow [2025-04-14 00:10:41,297 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 00:10:41,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-04-14 00:10:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 60 transitions. [2025-04-14 00:10:41,297 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.6 [2025-04-14 00:10:41,297 INFO L175 Difference]: Start difference. First operand has 43 places, 30 transitions, 164 flow. Second operand 4 states and 60 transitions. [2025-04-14 00:10:41,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 408 flow [2025-04-14 00:10:41,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 56 transitions, 362 flow, removed 4 selfloop flow, removed 4 redundant places. [2025-04-14 00:10:41,302 INFO L231 Difference]: Finished difference. Result has 42 places, 28 transitions, 131 flow [2025-04-14 00:10:41,302 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2025-04-14 00:10:41,303 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 13 predicate places. [2025-04-14 00:10:41,304 INFO L485 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 131 flow [2025-04-14 00:10:41,304 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-04-14 00:10:41,304 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:10:41,304 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:10:41,304 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 00:10:41,304 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 00:10:41,305 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:10:41,305 INFO L85 PathProgramCache]: Analyzing trace with hash 636315424, now seen corresponding path program 1 times [2025-04-14 00:10:41,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:10:41,305 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602852843] [2025-04-14 00:10:41,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:10:41,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:10:41,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-14 00:10:41,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-14 00:10:41,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:10:41,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:10:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:10:41,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:10:41,391 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602852843] [2025-04-14 00:10:41,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602852843] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:10:41,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:10:41,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 00:10:41,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925136555] [2025-04-14 00:10:41,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:10:41,391 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 00:10:41,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:10:41,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 00:10:41,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 00:10:41,392 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 25 [2025-04-14 00:10:41,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2025-04-14 00:10:41,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:10:41,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 25 [2025-04-14 00:10:41,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:10:41,477 INFO L116 PetriNetUnfolderBase]: 180/354 cut-off events. [2025-04-14 00:10:41,477 INFO L117 PetriNetUnfolderBase]: For 276/276 co-relation queries the response was YES. [2025-04-14 00:10:41,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 354 events. 180/354 cut-off events. For 276/276 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1374 event pairs, 48 based on Foata normal form. 32/385 useless extension candidates. Maximal degree in co-relation 1003. Up to 164 conditions per place. [2025-04-14 00:10:41,478 INFO L140 encePairwiseOnDemand]: 20/25 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2025-04-14 00:10:41,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 41 transitions, 254 flow [2025-04-14 00:10:41,479 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 00:10:41,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-14 00:10:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2025-04-14 00:10:41,479 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.456 [2025-04-14 00:10:41,479 INFO L175 Difference]: Start difference. First operand has 42 places, 28 transitions, 131 flow. Second operand 5 states and 57 transitions. [2025-04-14 00:10:41,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 41 transitions, 254 flow [2025-04-14 00:10:41,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 41 transitions, 223 flow, removed 3 selfloop flow, removed 5 redundant places. [2025-04-14 00:10:41,481 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2025-04-14 00:10:41,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2025-04-14 00:10:41,481 INFO L279 CegarLoopForPetriNet]: 29 programPoint places, 10 predicate places. [2025-04-14 00:10:41,481 INFO L485 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2025-04-14 00:10:41,481 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2025-04-14 00:10:41,483 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-14 00:10:41,484 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-14 00:10:41,484 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-14 00:10:41,484 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 00:10:41,484 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-14 00:10:41,486 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 00:10:41,487 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 00:10:41,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:10:41 BasicIcfg [2025-04-14 00:10:41,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 00:10:41,491 INFO L158 Benchmark]: Toolchain (without parser) took 2807.93ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 46.6MB in the end (delta: 53.0MB). Peak memory consumption was 52.5MB. Max. memory is 8.0GB. [2025-04-14 00:10:41,491 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:10:41,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.99ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 76.7MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-14 00:10:41,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.20ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 74.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 00:10:41,491 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:10:41,492 INFO L158 Benchmark]: IcfgBuilder took 364.33ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 52.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-14 00:10:41,492 INFO L158 Benchmark]: TraceAbstraction took 1949.97ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 46.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2025-04-14 00:10:41,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 418.99ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 76.7MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.20ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 74.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * IcfgBuilder took 364.33ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 52.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1949.97ms. Allocated memory is still 142.6MB. Free memory was 52.0MB in the beginning and 46.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 42 locations, 39 edges, 3 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: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 362 IncrementalHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 362 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 00:10:41,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...