/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/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 18:02:44,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 18:02:44,817 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 18:02:44,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 18:02:44,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 18:02:44,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 18:02:44,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 18:02:44,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 18:02:44,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 18:02:44,839 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 18:02:44,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 18:02:44,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 18:02:44,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 18:02:44,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 18:02:44,840 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 18:02:44,841 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:02:44,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:02:44,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 18:02:44,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 18:02:44,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 18:02:44,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 18:02:44,842 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 18:02:45,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 18:02:45,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 18:02:45,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 18:02:45,076 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 18:02:45,076 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 18:02:45,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2025-04-13 18:02:46,385 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447e1a769/63e4c7bfb325490e80eccfc3796a2d85/FLAG9b9a8fe6c [2025-04-13 18:02:46,589 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 18:02:46,590 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2025-04-13 18:02:46,597 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447e1a769/63e4c7bfb325490e80eccfc3796a2d85/FLAG9b9a8fe6c [2025-04-13 18:02:48,486 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447e1a769/63e4c7bfb325490e80eccfc3796a2d85 [2025-04-13 18:02:48,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 18:02:48,489 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 18:02:48,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 18:02:48,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 18:02:48,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 18:02:48,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d319d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48, skipping insertion in model container [2025-04-13 18:02:48,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 18:02:48,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[2491,2504] [2025-04-13 18:02:48,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 18:02:48,682 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 18:02:48,707 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[2491,2504] [2025-04-13 18:02:48,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 18:02:48,716 INFO L204 MainTranslator]: Completed translation [2025-04-13 18:02:48,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48 WrapperNode [2025-04-13 18:02:48,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 18:02:48,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 18:02:48,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 18:02:48,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 18:02:48,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,744 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 113 [2025-04-13 18:02:48,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 18:02:48,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 18:02:48,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 18:02:48,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 18:02:48,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,760 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-04-13 18:02:48,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,763 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 18:02:48,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 18:02:48,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 18:02:48,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 18:02:48,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (1/1) ... [2025-04-13 18:02:48,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 18:02:48,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 18:02:48,793 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 18:02:48,795 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 18:02:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 18:02:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-13 18:02:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-13 18:02:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-13 18:02:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-13 18:02:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 18:02:48,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 18:02:48,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 18:02:48,813 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 18:02:48,872 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 18:02:48,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 18:02:49,031 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 18:02:49,032 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 18:02:49,032 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 18:02:49,139 INFO L313 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 18:02:49,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:02:49 BoogieIcfgContainer [2025-04-13 18:02:49,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 18:02:49,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 18:02:49,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 18:02:49,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 18:02:49,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 06:02:48" (1/3) ... [2025-04-13 18:02:49,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d708c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:02:49, skipping insertion in model container [2025-04-13 18:02:49,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:02:48" (2/3) ... [2025-04-13 18:02:49,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d708c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:02:49, skipping insertion in model container [2025-04-13 18:02:49,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:02:49" (3/3) ... [2025-04-13 18:02:49,146 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2025-04-13 18:02:49,155 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 18:02:49,156 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-bluetooth.wvr.c that has 3 procedures, 41 locations, 41 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-13 18:02:49,156 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 18:02:49,194 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 18:02:49,217 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 43 transitions, 100 flow [2025-04-13 18:02:49,245 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 219 states, 218 states have (on average 2.44954128440367) internal successors, (534), 218 states have internal predecessors, (534), 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 18:02:49,262 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 18:02:49,268 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;@7f89b331, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 18:02:49,268 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-13 18:02:49,270 INFO L278 IsEmpty]: Start isEmpty. Operand has 219 states, 218 states have (on average 2.44954128440367) internal successors, (534), 218 states have internal predecessors, (534), 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 18:02:49,278 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-04-13 18:02:49,278 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 18:02:49,279 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 18:02:49,279 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 18:02:49,282 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 18:02:49,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1950437970, now seen corresponding path program 1 times [2025-04-13 18:02:49,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 18:02:49,287 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370401251] [2025-04-13 18:02:49,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 18:02:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 18:02:49,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-13 18:02:49,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-13 18:02:49,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 18:02:49,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 18:02:49,561 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 18:02:49,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 18:02:49,562 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370401251] [2025-04-13 18:02:49,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370401251] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 18:02:49,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 18:02:49,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 18:02:49,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481967270] [2025-04-13 18:02:49,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 18:02:49,565 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 18:02:49,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 18:02:49,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 18:02:49,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 18:02:49,584 INFO L87 Difference]: Start difference. First operand has 219 states, 218 states have (on average 2.44954128440367) internal successors, (534), 218 states have internal predecessors, (534), 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 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 18:02:49,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 18:02:49,677 INFO L93 Difference]: Finished difference Result 328 states and 776 transitions. [2025-04-13 18:02:49,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 18:02:49,680 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2025-04-13 18:02:49,680 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 18:02:49,687 INFO L225 Difference]: With dead ends: 328 [2025-04-13 18:02:49,687 INFO L226 Difference]: Without dead ends: 270 [2025-04-13 18:02:49,688 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 18:02:49,690 INFO L437 NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 18:02:49,690 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 20 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 18:02:49,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-04-13 18:02:49,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 265. [2025-04-13 18:02:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 2.3484848484848486) internal successors, (620), 264 states have internal predecessors, (620), 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 18:02:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 620 transitions. [2025-04-13 18:02:49,724 INFO L79 Accepts]: Start accepts. Automaton has 265 states and 620 transitions. Word has length 34 [2025-04-13 18:02:49,725 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 18:02:49,725 INFO L485 AbstractCegarLoop]: Abstraction has 265 states and 620 transitions. [2025-04-13 18:02:49,725 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 18:02:49,725 INFO L278 IsEmpty]: Start isEmpty. Operand 265 states and 620 transitions. [2025-04-13 18:02:49,726 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-04-13 18:02:49,726 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 18:02:49,726 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 18:02:49,727 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 18:02:49,727 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 18:02:49,727 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 18:02:49,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1758187690, now seen corresponding path program 1 times [2025-04-13 18:02:49,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 18:02:49,727 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030469833] [2025-04-13 18:02:49,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 18:02:49,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 18:02:49,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-13 18:02:49,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-13 18:02:49,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 18:02:49,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 18:02:49,979 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 18:02:49,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 18:02:49,979 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030469833] [2025-04-13 18:02:49,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030469833] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 18:02:49,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 18:02:49,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 18:02:49,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368286673] [2025-04-13 18:02:49,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 18:02:49,980 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 18:02:49,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 18:02:49,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 18:02:49,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-13 18:02:49,981 INFO L87 Difference]: Start difference. First operand 265 states and 620 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) [2025-04-13 18:02:50,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 18:02:50,092 INFO L93 Difference]: Finished difference Result 464 states and 1076 transitions. [2025-04-13 18:02:50,092 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 18:02:50,093 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) Word has length 35 [2025-04-13 18:02:50,093 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 18:02:50,096 INFO L225 Difference]: With dead ends: 464 [2025-04-13 18:02:50,096 INFO L226 Difference]: Without dead ends: 265 [2025-04-13 18:02:50,096 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-13 18:02:50,097 INFO L437 NwaCegarLoop]: 22 mSDtfsCounter, 25 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 18:02:50,097 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 50 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 18:02:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-04-13 18:02:50,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2025-04-13 18:02:50,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 2.25) internal successors, (594), 264 states have internal predecessors, (594), 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 18:02:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 594 transitions. [2025-04-13 18:02:50,113 INFO L79 Accepts]: Start accepts. Automaton has 265 states and 594 transitions. Word has length 35 [2025-04-13 18:02:50,113 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 18:02:50,113 INFO L485 AbstractCegarLoop]: Abstraction has 265 states and 594 transitions. [2025-04-13 18:02:50,113 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) [2025-04-13 18:02:50,113 INFO L278 IsEmpty]: Start isEmpty. Operand 265 states and 594 transitions. [2025-04-13 18:02:50,115 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-04-13 18:02:50,115 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 18:02:50,115 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 18:02:50,115 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 18:02:50,115 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 18:02:50,115 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 18:02:50,115 INFO L85 PathProgramCache]: Analyzing trace with hash -311289777, now seen corresponding path program 1 times [2025-04-13 18:02:50,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 18:02:50,116 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062529437] [2025-04-13 18:02:50,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 18:02:50,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 18:02:50,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-13 18:02:50,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 18:02:50,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 18:02:50,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 18:02:50,197 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 18:02:50,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 18:02:50,198 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062529437] [2025-04-13 18:02:50,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062529437] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 18:02:50,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 18:02:50,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-13 18:02:50,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081618279] [2025-04-13 18:02:50,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 18:02:50,198 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 18:02:50,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 18:02:50,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 18:02:50,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 18:02:50,199 INFO L87 Difference]: Start difference. First operand 265 states and 594 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 18:02:50,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 18:02:50,289 INFO L93 Difference]: Finished difference Result 333 states and 739 transitions. [2025-04-13 18:02:50,290 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 18:02:50,290 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2025-04-13 18:02:50,290 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 18:02:50,292 INFO L225 Difference]: With dead ends: 333 [2025-04-13 18:02:50,292 INFO L226 Difference]: Without dead ends: 246 [2025-04-13 18:02:50,292 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 18:02:50,293 INFO L437 NwaCegarLoop]: 16 mSDtfsCounter, 15 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 18:02:50,293 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 39 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 18:02:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2025-04-13 18:02:50,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2025-04-13 18:02:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 2.240506329113924) internal successors, (531), 237 states have internal predecessors, (531), 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 18:02:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 531 transitions. [2025-04-13 18:02:50,302 INFO L79 Accepts]: Start accepts. Automaton has 238 states and 531 transitions. Word has length 36 [2025-04-13 18:02:50,302 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 18:02:50,302 INFO L485 AbstractCegarLoop]: Abstraction has 238 states and 531 transitions. [2025-04-13 18:02:50,302 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 18:02:50,302 INFO L278 IsEmpty]: Start isEmpty. Operand 238 states and 531 transitions. [2025-04-13 18:02:50,303 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-04-13 18:02:50,303 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 18:02:50,303 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 18:02:50,303 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-13 18:02:50,304 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 18:02:50,304 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 18:02:50,304 INFO L85 PathProgramCache]: Analyzing trace with hash 195772630, now seen corresponding path program 1 times [2025-04-13 18:02:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 18:02:50,304 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346197717] [2025-04-13 18:02:50,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 18:02:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 18:02:50,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-13 18:02:50,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 18:02:50,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 18:02:50,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 18:02:50,419 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 18:02:50,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 18:02:50,419 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346197717] [2025-04-13 18:02:50,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346197717] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 18:02:50,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 18:02:50,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-13 18:02:50,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129641547] [2025-04-13 18:02:50,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 18:02:50,419 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-13 18:02:50,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 18:02:50,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-13 18:02:50,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-13 18:02:50,420 INFO L87 Difference]: Start difference. First operand 238 states and 531 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 18:02:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 18:02:50,509 INFO L93 Difference]: Finished difference Result 318 states and 708 transitions. [2025-04-13 18:02:50,510 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-13 18:02:50,510 INFO L79 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 36 [2025-04-13 18:02:50,510 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 18:02:50,511 INFO L225 Difference]: With dead ends: 318 [2025-04-13 18:02:50,511 INFO L226 Difference]: Without dead ends: 162 [2025-04-13 18:02:50,512 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-13 18:02:50,512 INFO L437 NwaCegarLoop]: 20 mSDtfsCounter, 41 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 18:02:50,512 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 47 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 18:02:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-04-13 18:02:50,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2025-04-13 18:02:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 2.031055900621118) internal successors, (327), 161 states have internal predecessors, (327), 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 18:02:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 327 transitions. [2025-04-13 18:02:50,523 INFO L79 Accepts]: Start accepts. Automaton has 162 states and 327 transitions. Word has length 36 [2025-04-13 18:02:50,523 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 18:02:50,524 INFO L485 AbstractCegarLoop]: Abstraction has 162 states and 327 transitions. [2025-04-13 18:02:50,524 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 18:02:50,524 INFO L278 IsEmpty]: Start isEmpty. Operand 162 states and 327 transitions. [2025-04-13 18:02:50,524 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-04-13 18:02:50,524 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 18:02:50,524 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 18:02:50,525 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-13 18:02:50,525 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-13 18:02:50,525 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 18:02:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1354575241, now seen corresponding path program 2 times [2025-04-13 18:02:50,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 18:02:50,525 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678651027] [2025-04-13 18:02:50,525 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 18:02:50,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 18:02:50,536 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 1 equivalence classes. [2025-04-13 18:02:50,555 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-13 18:02:50,556 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 18:02:50,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 18:02:50,766 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 18:02:50,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 18:02:50,766 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678651027] [2025-04-13 18:02:50,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678651027] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 18:02:50,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 18:02:50,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-13 18:02:50,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23339560] [2025-04-13 18:02:50,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 18:02:50,766 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-13 18:02:50,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 18:02:50,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-13 18:02:50,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-13 18:02:50,767 INFO L87 Difference]: Start difference. First operand 162 states and 327 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 18:02:50,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 18:02:50,885 INFO L93 Difference]: Finished difference Result 162 states and 327 transitions. [2025-04-13 18:02:50,885 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-13 18:02:50,886 INFO L79 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2025-04-13 18:02:50,886 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 18:02:50,886 INFO L225 Difference]: With dead ends: 162 [2025-04-13 18:02:50,886 INFO L226 Difference]: Without dead ends: 0 [2025-04-13 18:02:50,887 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-04-13 18:02:50,887 INFO L437 NwaCegarLoop]: 20 mSDtfsCounter, 61 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 18:02:50,887 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 43 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 18:02:50,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-04-13 18:02:50,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-04-13 18:02:50,888 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 18:02:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-04-13 18:02:50,888 INFO L79 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2025-04-13 18:02:50,888 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 18:02:50,888 INFO L485 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-13 18:02:50,888 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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 18:02:50,888 INFO L278 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-04-13 18:02:50,889 INFO L284 IsEmpty]: Finished isEmpty. No accepting run. [2025-04-13 18:02:50,893 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-13 18:02:50,893 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-13 18:02:50,893 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-13 18:02:50,894 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-13 18:02:50,896 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2025-04-13 18:02:50,898 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 18:02:50,898 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 18:02:50,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 06:02:50 BasicIcfg [2025-04-13 18:02:50,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 18:02:50,902 INFO L158 Benchmark]: Toolchain (without parser) took 2413.18ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 101.7MB in the end (delta: 7.6MB). Peak memory consumption was 5.1MB. Max. memory is 8.0GB. [2025-04-13 18:02:50,902 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 18:02:50,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.37ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 94.7MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 18:02:50,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.11ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-13 18:02:50,903 INFO L158 Benchmark]: Boogie Preprocessor took 22.39ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 91.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 18:02:50,903 INFO L158 Benchmark]: RCFGBuilder took 372.06ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 58.9MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-13 18:02:50,903 INFO L158 Benchmark]: TraceAbstraction took 1760.40ms. Allocated memory is still 155.2MB. Free memory was 58.2MB in the beginning and 101.7MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 18:02:50,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.37ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 94.7MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.11ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.39ms. Allocated memory is still 155.2MB. Free memory was 93.0MB in the beginning and 91.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 372.06ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 58.9MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1760.40ms. Allocated memory is still 155.2MB. Free memory was 58.2MB in the beginning and 101.7MB in the end (delta: -43.5MB). 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: 91]: 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, 62 locations, 67 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 199 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 91 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=1, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 627 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! [2025-04-13 18:02:50,919 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...