/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 FINITE_AUTOMATA -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 17:26:16,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 17:26:16,144 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 17:26:16,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 17:26:16,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 17:26:16,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 17:26:16,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 17:26:16,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 17:26:16,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 17:26:16,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 17:26:16,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 17:26:16,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 17:26:16,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 17:26:16,170 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:26:16,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 17:26:16,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:26:16,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 17:26:16,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 17:26:16,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 17:26:16,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 17:26:16,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 17:26:16,173 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 -> FINITE_AUTOMATA [2025-04-13 17:26:16,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 17:26:16,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 17:26:16,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 17:26:16,389 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 17:26:16,389 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 17:26:16,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2025-04-13 17:26:17,651 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7b10755/a418be212b6849d4bfe8691a16ce7029/FLAG5c5193e27 [2025-04-13 17:26:17,895 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 17:26:17,895 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2025-04-13 17:26:17,909 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7b10755/a418be212b6849d4bfe8691a16ce7029/FLAG5c5193e27 [2025-04-13 17:26:18,702 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e7b10755/a418be212b6849d4bfe8691a16ce7029 [2025-04-13 17:26:18,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 17:26:18,707 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 17:26:18,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 17:26:18,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 17:26:18,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 17:26:18,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:26:18" (1/1) ... [2025-04-13 17:26:18,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a30d08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:18, skipping insertion in model container [2025-04-13 17:26:18,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:26:18" (1/1) ... [2025-04-13 17:26:18,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 17:26:18,856 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2025-04-13 17:26:18,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:26:18,957 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 17:26:18,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i[1094,1107] [2025-04-13 17:26:18,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:26:19,013 INFO L204 MainTranslator]: Completed translation [2025-04-13 17:26:19,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19 WrapperNode [2025-04-13 17:26:19,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 17:26:19,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 17:26:19,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 17:26:19,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 17:26:19,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,053 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2025-04-13 17:26:19,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 17:26:19,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 17:26:19,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 17:26:19,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 17:26:19,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,061 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,070 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2025-04-13 17:26:19,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 17:26:19,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 17:26:19,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 17:26:19,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 17:26:19,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (1/1) ... [2025-04-13 17:26:19,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:26:19,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:26:19,116 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 17:26:19,118 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 17:26:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-13 17:26:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 17:26:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-13 17:26:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-13 17:26:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 17:26:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 17:26:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 17:26:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-13 17:26:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 17:26:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 17:26:19,134 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 17:26:19,223 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 17:26:19,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 17:26:19,346 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 17:26:19,347 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 17:26:19,347 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 17:26:19,471 INFO L313 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 17:26:19,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:26:19 BoogieIcfgContainer [2025-04-13 17:26:19,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 17:26:19,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 17:26:19,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 17:26:19,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 17:26:19,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:26:18" (1/3) ... [2025-04-13 17:26:19,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e04687f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:26:19, skipping insertion in model container [2025-04-13 17:26:19,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:26:19" (2/3) ... [2025-04-13 17:26:19,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e04687f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:26:19, skipping insertion in model container [2025-04-13 17:26:19,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:26:19" (3/3) ... [2025-04-13 17:26:19,480 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2025-04-13 17:26:19,491 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 17:26:19,492 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_true.i that has 2 procedures, 26 locations, 24 edges, 1 initial locations, 0 loop locations, and 2 error locations. [2025-04-13 17:26:19,492 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 17:26:19,523 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-13 17:26:19,546 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 25 transitions, 57 flow [2025-04-13 17:26:19,560 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 63 states, 61 states have (on average 1.7540983606557377) internal successors, (107), 62 states have internal predecessors, (107), 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) [2025-04-13 17:26:19,582 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 17:26:19,592 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=FINITE_AUTOMATA, 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;@27251d8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 17:26:19,592 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-13 17:26:19,595 INFO L278 IsEmpty]: Start isEmpty. Operand has 63 states, 61 states have (on average 1.7540983606557377) internal successors, (107), 62 states have internal predecessors, (107), 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) [2025-04-13 17:26:19,599 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2025-04-13 17:26:19,600 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:26:19,600 INFO L218 NwaCegarLoop]: trace histogram [1] [2025-04-13 17:26:19,600 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-04-13 17:26:19,603 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:26:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash 226, now seen corresponding path program 1 times [2025-04-13 17:26:19,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:26:19,609 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751422772] [2025-04-13 17:26:19,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:26:19,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:26:19,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-04-13 17:26:19,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-04-13 17:26:19,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:26:19,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:26:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:19,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:26:19,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751422772] [2025-04-13 17:26:19,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751422772] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:26:19,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:26:19,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2025-04-13 17:26:19,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54472881] [2025-04-13 17:26:19,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:26:19,785 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-13 17:26:19,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:26:19,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-13 17:26:19,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 17:26:19,799 INFO L87 Difference]: Start difference. First operand has 63 states, 61 states have (on average 1.7540983606557377) internal successors, (107), 62 states have internal predecessors, (107), 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2025-04-13 17:26:19,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:26:19,834 INFO L93 Difference]: Finished difference Result 63 states and 107 transitions. [2025-04-13 17:26:19,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:26:19,835 INFO L79 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2025-04-13 17:26:19,836 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:26:19,839 INFO L225 Difference]: With dead ends: 63 [2025-04-13 17:26:19,840 INFO L226 Difference]: Without dead ends: 62 [2025-04-13 17:26:19,841 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 17:26:19,843 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-13 17:26:19,843 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-13 17:26:19,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-04-13 17:26:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-04-13 17:26:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.7377049180327868) internal successors, (106), 61 states have internal predecessors, (106), 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) [2025-04-13 17:26:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 106 transitions. [2025-04-13 17:26:19,862 INFO L79 Accepts]: Start accepts. Automaton has 62 states and 106 transitions. Word has length 1 [2025-04-13 17:26:19,862 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:26:19,863 INFO L485 AbstractCegarLoop]: Abstraction has 62 states and 106 transitions. [2025-04-13 17:26:19,863 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2025-04-13 17:26:19,863 INFO L278 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2025-04-13 17:26:19,863 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-04-13 17:26:19,863 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:26:19,863 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:26:19,863 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 17:26:19,864 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-04-13 17:26:19,864 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:26:19,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1184299144, now seen corresponding path program 1 times [2025-04-13 17:26:19,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:26:19,864 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604180936] [2025-04-13 17:26:19,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:26:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:26:19,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-13 17:26:19,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-13 17:26:19,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:26:19,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:26:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:20,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:26:20,010 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604180936] [2025-04-13 17:26:20,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604180936] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:26:20,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:26:20,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:26:20,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953196516] [2025-04-13 17:26:20,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:26:20,011 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:26:20,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:26:20,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:26:20,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:26:20,012 INFO L87 Difference]: Start difference. First operand 62 states and 106 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-04-13 17:26:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:26:20,037 INFO L93 Difference]: Finished difference Result 62 states and 106 transitions. [2025-04-13 17:26:20,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:26:20,038 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2025-04-13 17:26:20,038 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:26:20,038 INFO L225 Difference]: With dead ends: 62 [2025-04-13 17:26:20,038 INFO L226 Difference]: Without dead ends: 0 [2025-04-13 17:26:20,038 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:26:20,039 INFO L437 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-13 17:26:20,039 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-13 17:26:20,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-04-13 17:26:20,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-04-13 17:26:20,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-04-13 17:26:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-04-13 17:26:20,040 INFO L79 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2025-04-13 17:26:20,040 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:26:20,040 INFO L485 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-13 17:26:20,040 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-04-13 17:26:20,040 INFO L278 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-04-13 17:26:20,040 INFO L284 IsEmpty]: Finished isEmpty. No accepting run. [2025-04-13 17:26:20,044 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-04-13 17:26:20,044 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-13 17:26:20,044 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-04-13 17:26:20,044 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2025-04-13 17:26:20,044 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 17:26:20,047 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-04-13 17:26:20,049 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 17:26:20,050 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 17:26:20,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 05:26:20 BasicIcfg [2025-04-13 17:26:20,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 17:26:20,053 INFO L158 Benchmark]: Toolchain (without parser) took 1347.60ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 108.9MB in the end (delta: 9.1MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2025-04-13 17:26:20,054 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory was 87.3MB in the beginning and 87.2MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:26:20,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.30ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 95.3MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-13 17:26:20,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 93.1MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-13 17:26:20,056 INFO L158 Benchmark]: Boogie Preprocessor took 31.78ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 91.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:26:20,056 INFO L158 Benchmark]: RCFGBuilder took 385.38ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 60.2MB in the end (delta: 30.9MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-13 17:26:20,056 INFO L158 Benchmark]: TraceAbstraction took 578.25ms. Allocated memory is still 167.8MB. Free memory was 59.5MB in the beginning and 108.9MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:26:20,057 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 159.4MB. Free memory was 87.3MB in the beginning and 87.2MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 306.30ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 95.3MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 93.1MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.78ms. Allocated memory is still 167.8MB. Free memory was 93.1MB in the beginning and 91.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 385.38ms. Allocated memory is still 167.8MB. Free memory was 91.1MB in the beginning and 60.2MB in the end (delta: 30.9MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 578.25ms. Allocated memory is still 167.8MB. Free memory was 59.5MB in the beginning and 108.9MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 3 procedures, 42 locations, 41 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-13 17:26:20,071 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...