/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/xcsp/Haystacks-17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:44:18,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:44:18,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 18:44:18,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:44:18,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:44:18,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:44:18,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:44:18,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:44:18,851 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:44:18,855 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:44:18,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:44:18,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:44:18,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:44:18,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:44:18,857 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:44:18,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:44:18,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:44:18,858 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 18:44:18,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 18:44:18,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:44:18,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:44:18,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:44:18,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:44:18,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 18:44:18,860 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 18:44:18,861 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:44:18,861 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 18:44:18,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 18:44:18,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:44:18,861 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:44:18,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:44:18,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:44:18,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:44:18,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:44:18,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:44:18,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:44:18,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:44:18,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:44:18,863 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 18:44:18,864 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 18:44:18,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:44:18,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:44:18,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:44:18,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:44:18,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:44:18,865 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 18:44:18,865 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 18:44:19,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:44:19,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:44:19,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:44:19,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:44:19,088 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:44:19,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Haystacks-17.c [2023-12-16 18:44:20,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:44:20,543 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:44:20,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-17.c [2023-12-16 18:44:20,563 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618299344/7aa61ebe8b994d7fa8e34bbd9da76a8c/FLAGd814ed4b8 [2023-12-16 18:44:20,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618299344/7aa61ebe8b994d7fa8e34bbd9da76a8c [2023-12-16 18:44:20,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:44:20,583 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:44:20,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:44:20,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:44:20,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:44:20,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:44:20" (1/1) ... [2023-12-16 18:44:20,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122144fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:20, skipping insertion in model container [2023-12-16 18:44:20,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:44:20" (1/1) ... [2023-12-16 18:44:20,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:44:21,250 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-17.c[124976,124989] [2023-12-16 18:44:21,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:44:21,293 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:44:21,465 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-17.c[124976,124989] [2023-12-16 18:44:21,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:44:21,486 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:44:21,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21 WrapperNode [2023-12-16 18:44:21,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:44:21,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:44:21,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:44:21,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:44:21,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,705 INFO L138 Inliner]: procedures = 13, calls = 3169, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4334 [2023-12-16 18:44:21,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:44:21,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:44:21,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:44:21,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:44:21,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,748 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,819 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]. [2023-12-16 18:44:21,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:44:21,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:44:21,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:44:21,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:44:21,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (1/1) ... [2023-12-16 18:44:21,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:44:21,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:44:21,997 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) [2023-12-16 18:44:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:44:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:44:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:44:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 18:44:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-16 18:44:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-16 18:44:22,082 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 [2023-12-16 18:44:22,336 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:44:22,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:44:24,329 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:44:24,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:44:24,393 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 18:44:24,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:44:24 BoogieIcfgContainer [2023-12-16 18:44:24,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:44:24,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:44:24,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:44:24,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:44:24,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:44:20" (1/3) ... [2023-12-16 18:44:24,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551dfe53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:44:24, skipping insertion in model container [2023-12-16 18:44:24,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:44:21" (2/3) ... [2023-12-16 18:44:24,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551dfe53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:44:24, skipping insertion in model container [2023-12-16 18:44:24,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:44:24" (3/3) ... [2023-12-16 18:44:24,400 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-17.c [2023-12-16 18:44:24,414 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:44:24,414 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:44:24,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:44:24,513 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f785e0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:44:24,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:44:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 3459 states, 294 states have (on average 1.0068027210884354) internal successors, (296), 295 states have internal predecessors, (296), 3162 states have call successors, (3162), 1 states have call predecessors, (3162), 1 states have return successors, (3162), 3162 states have call predecessors, (3162), 3162 states have call successors, (3162) [2023-12-16 18:44:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16102 [2023-12-16 18:44:26,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:44:26,113 INFO L195 NwaCegarLoop]: trace histogram [3162, 3162, 3162, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:44:26,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:44:26,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:44:26,122 INFO L85 PathProgramCache]: Analyzing trace with hash -2002174436, now seen corresponding path program 1 times [2023-12-16 18:44:26,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:44:26,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256512126] [2023-12-16 18:44:26,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:44:26,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:44:26,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:44:26,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 18:44:26,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 18:44:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:44:40,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 22437 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 18:44:40,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:44:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 19990164 backedges. 7555274 proven. 0 refuted. 0 times theorem prover too weak. 12434890 trivial. 0 not checked. [2023-12-16 18:44:41,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:44:41,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:44:41,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256512126] [2023-12-16 18:44:41,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256512126] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:44:41,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:44:41,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 18:44:41,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997839214] [2023-12-16 18:44:41,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:44:41,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 18:44:41,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:44:41,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 18:44:41,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 18:44:41,958 INFO L87 Difference]: Start difference. First operand has 3459 states, 294 states have (on average 1.0068027210884354) internal successors, (296), 295 states have internal predecessors, (296), 3162 states have call successors, (3162), 1 states have call predecessors, (3162), 1 states have return successors, (3162), 3162 states have call predecessors, (3162), 3162 states have call successors, (3162) Second operand has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 2 states have call successors, (3162), 2 states have call predecessors, (3162), 2 states have return successors, (3162), 2 states have call predecessors, (3162), 2 states have call successors, (3162) [2023-12-16 18:44:42,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:44:42,321 INFO L93 Difference]: Finished difference Result 6915 states and 16399 transitions. [2023-12-16 18:44:42,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 18:44:42,338 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 2 states have call successors, (3162), 2 states have call predecessors, (3162), 2 states have return successors, (3162), 2 states have call predecessors, (3162), 2 states have call successors, (3162) Word has length 16101 [2023-12-16 18:44:42,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:44:42,388 INFO L225 Difference]: With dead ends: 6915 [2023-12-16 18:44:42,389 INFO L226 Difference]: Without dead ends: 3458 [2023-12-16 18:44:42,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16100 GetRequests, 16100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 18:44:42,434 INFO L413 NwaCegarLoop]: 6617 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6617 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:44:42,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6617 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:44:42,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3458 states. [2023-12-16 18:44:46,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3458 to 3458. [2023-12-16 18:44:46,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3458 states, 294 states have (on average 1.0) internal successors, (294), 294 states have internal predecessors, (294), 3162 states have call successors, (3162), 1 states have call predecessors, (3162), 1 states have return successors, (3162), 3162 states have call predecessors, (3162), 3162 states have call successors, (3162) [2023-12-16 18:44:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 6618 transitions. [2023-12-16 18:44:46,103 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 6618 transitions. Word has length 16101 [2023-12-16 18:44:46,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:44:46,107 INFO L495 AbstractCegarLoop]: Abstraction has 3458 states and 6618 transitions. [2023-12-16 18:44:46,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 2 states have call successors, (3162), 2 states have call predecessors, (3162), 2 states have return successors, (3162), 2 states have call predecessors, (3162), 2 states have call successors, (3162) [2023-12-16 18:44:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 6618 transitions. [2023-12-16 18:44:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16102 [2023-12-16 18:44:47,910 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:44:47,915 INFO L195 NwaCegarLoop]: trace histogram [3162, 3162, 3162, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:44:48,116 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forcibly destroying the process [2023-12-16 18:44:48,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 137 [2023-12-16 18:44:48,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:44:48,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:44:48,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:44:48,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2122465372, now seen corresponding path program 1 times [2023-12-16 18:44:48,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:44:48,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674292987] [2023-12-16 18:44:48,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:44:48,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:44:48,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:44:48,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 18:44:48,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process Received shutdown request... [2023-12-16 18:45:31,388 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:45:31,432 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:45:32,493 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 [2023-12-16 18:45:32,589 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forcibly destroying the process [2023-12-16 18:45:32,790 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Could not destroy process within 200 ms, abandoning it [2023-12-16 18:45:32,827 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-16 18:45:32,834 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:45:32,834 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 16102 with TraceHistMax 3162,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [1674292987] and IpTcStrategyModuleCvc4 [160076156]. [2023-12-16 18:45:32,840 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 18:45:32,843 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:45:32,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:45:32 BoogieIcfgContainer [2023-12-16 18:45:32,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:45:32,848 INFO L158 Benchmark]: Toolchain (without parser) took 72264.25ms. Allocated memory was 256.9MB in the beginning and 1.1GB in the end (delta: 849.3MB). Free memory was 197.4MB in the beginning and 368.4MB in the end (delta: -171.0MB). Peak memory consumption was 678.4MB. Max. memory is 8.0GB. [2023-12-16 18:45:32,848 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 190.8MB. Free memory was 140.5MB in the beginning and 140.4MB in the end (delta: 89.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:45:32,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.27ms. Allocated memory is still 256.9MB. Free memory was 197.1MB in the beginning and 140.1MB in the end (delta: 57.0MB). Peak memory consumption was 57.3MB. Max. memory is 8.0GB. [2023-12-16 18:45:32,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.04ms. Allocated memory is still 256.9MB. Free memory was 140.1MB in the beginning and 111.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-16 18:45:32,849 INFO L158 Benchmark]: Boogie Preprocessor took 263.63ms. Allocated memory is still 256.9MB. Free memory was 111.8MB in the beginning and 91.9MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-16 18:45:32,850 INFO L158 Benchmark]: RCFGBuilder took 2422.98ms. Allocated memory was 256.9MB in the beginning and 401.6MB in the end (delta: 144.7MB). Free memory was 91.9MB in the beginning and 243.8MB in the end (delta: -152.0MB). Peak memory consumption was 49.4MB. Max. memory is 8.0GB. [2023-12-16 18:45:32,850 INFO L158 Benchmark]: TraceAbstraction took 68452.08ms. Allocated memory was 401.6MB in the beginning and 1.1GB in the end (delta: 704.6MB). Free memory was 242.8MB in the beginning and 368.4MB in the end (delta: -125.6MB). Peak memory consumption was 578.0MB. Max. memory is 8.0GB. [2023-12-16 18:45:32,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 190.8MB. Free memory was 140.5MB in the beginning and 140.4MB in the end (delta: 89.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 901.27ms. Allocated memory is still 256.9MB. Free memory was 197.1MB in the beginning and 140.1MB in the end (delta: 57.0MB). Peak memory consumption was 57.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 217.04ms. Allocated memory is still 256.9MB. Free memory was 140.1MB in the beginning and 111.8MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 263.63ms. Allocated memory is still 256.9MB. Free memory was 111.8MB in the beginning and 91.9MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * RCFGBuilder took 2422.98ms. Allocated memory was 256.9MB in the beginning and 401.6MB in the end (delta: 144.7MB). Free memory was 91.9MB in the beginning and 243.8MB in the end (delta: -152.0MB). Peak memory consumption was 49.4MB. Max. memory is 8.0GB. * TraceAbstraction took 68452.08ms. Allocated memory was 401.6MB in the beginning and 1.1GB in the end (delta: 704.6MB). Free memory was 242.8MB in the beginning and 368.4MB in the end (delta: -125.6MB). Peak memory consumption was 578.0MB. 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 - TimeoutResultAtElement [Line: 3766]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3766). Cancelled while NwaCegarLoop was analyzing trace of length 16102 with TraceHistMax 3162,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [1674292987] and IpTcStrategyModuleCvc4 [160076156]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 3459 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.4s, OverallIterations: 2, TraceHistogramMax: 3162, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.4s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6617 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6617 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16100 GetRequests, 16100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3459occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 11.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 16101 NumberOfCodeBlocks, 16101 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16100 ConstructedInterpolants, 0 QuantifiedInterpolants, 16100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 22437 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 19990164/19990164 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown