/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-61.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 19:42:35,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 19:42:35,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 19:42:35,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 19:42:35,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 19:42:35,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 19:42:35,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 19:42:35,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 19:42:35,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 19:42:35,588 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 19:42:35,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 19:42:35,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 19:42:35,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 19:42:35,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 19:42:35,591 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 19:42:35,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 19:42:35,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 19:42:35,591 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 19:42:35,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 19:42:35,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 19:42:35,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 19:42:35,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 19:42:35,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 19:42:35,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 19:42:35,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 19:42:35,593 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 19:42:35,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 19:42:35,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 19:42:35,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 19:42:35,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:42:35,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 19:42:35,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 19:42:35,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 19:42:35,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 19:42:35,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 19:42:35,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 19:42:35,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 19:42:35,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 19:42:35,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 19:42:35,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 19:42:35,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 19:42:35,827 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 19:42:35,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-61.i [2023-12-15 19:42:36,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 19:42:36,968 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 19:42:36,975 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-61.i [2023-12-15 19:42:36,982 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf9222f0/24a9ada55a3447dab7ec5629182e7962/FLAG1bb4a501f [2023-12-15 19:42:36,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edf9222f0/24a9ada55a3447dab7ec5629182e7962 [2023-12-15 19:42:36,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 19:42:36,995 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 19:42:36,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 19:42:36,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 19:42:37,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 19:42:37,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:42:36" (1/1) ... [2023-12-15 19:42:37,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34073b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37, skipping insertion in model container [2023-12-15 19:42:37,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:42:36" (1/1) ... [2023-12-15 19:42:37,029 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 19:42:37,122 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-61.i[916,929] [2023-12-15 19:42:37,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:42:37,203 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 19:42:37,217 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-61.i[916,929] [2023-12-15 19:42:37,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:42:37,281 INFO L206 MainTranslator]: Completed translation [2023-12-15 19:42:37,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37 WrapperNode [2023-12-15 19:42:37,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 19:42:37,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 19:42:37,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 19:42:37,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 19:42:37,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,336 INFO L138 Inliner]: procedures = 26, calls = 82, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 401 [2023-12-15 19:42:37,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 19:42:37,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 19:42:37,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 19:42:37,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 19:42:37,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,390 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]. [2023-12-15 19:42:37,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 19:42:37,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 19:42:37,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 19:42:37,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 19:42:37,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (1/1) ... [2023-12-15 19:42:37,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:42:37,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:37,433 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) [2023-12-15 19:42:37,451 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 [2023-12-15 19:42:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 19:42:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 19:42:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 19:42:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 19:42:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 19:42:37,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 19:42:37,565 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 19:42:37,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 19:42:37,967 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 19:42:37,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 19:42:37,996 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 19:42:37,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:42:37 BoogieIcfgContainer [2023-12-15 19:42:37,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 19:42:37,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 19:42:37,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 19:42:38,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 19:42:38,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 07:42:36" (1/3) ... [2023-12-15 19:42:38,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49df5ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:42:38, skipping insertion in model container [2023-12-15 19:42:38,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:42:37" (2/3) ... [2023-12-15 19:42:38,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49df5ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:42:38, skipping insertion in model container [2023-12-15 19:42:38,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:42:37" (3/3) ... [2023-12-15 19:42:38,002 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-61.i [2023-12-15 19:42:38,016 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 19:42:38,017 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 19:42:38,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 19:42:38,076 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;@65796a12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 19:42:38,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 19:42:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 100 states have (on average 1.49) internal successors, (149), 101 states have internal predecessors, (149), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-15 19:42:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-15 19:42:38,124 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:38,125 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:38,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:38,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:38,131 INFO L85 PathProgramCache]: Analyzing trace with hash 607467284, now seen corresponding path program 1 times [2023-12-15 19:42:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:38,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264959127] [2023-12-15 19:42:38,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:38,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:38,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264959127] [2023-12-15 19:42:38,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 19:42:38,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662466125] [2023-12-15 19:42:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:38,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:38,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:38,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:38,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 19:42:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:38,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 19:42:38,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 9248 trivial. 0 not checked. [2023-12-15 19:42:38,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:42:38,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662466125] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:42:38,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:42:38,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:42:38,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302353952] [2023-12-15 19:42:38,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:42:38,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 19:42:38,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:38,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 19:42:38,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:42:38,830 INFO L87 Difference]: Start difference. First operand has 172 states, 100 states have (on average 1.49) internal successors, (149), 101 states have internal predecessors, (149), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 2 states have call successors, (69) [2023-12-15 19:42:38,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:38,871 INFO L93 Difference]: Finished difference Result 341 states and 641 transitions. [2023-12-15 19:42:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 19:42:38,874 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 2 states have call successors, (69) Word has length 417 [2023-12-15 19:42:38,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:38,880 INFO L225 Difference]: With dead ends: 341 [2023-12-15 19:42:38,880 INFO L226 Difference]: Without dead ends: 170 [2023-12-15 19:42:38,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:42:38,886 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:38,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 277 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:42:38,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-15 19:42:38,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2023-12-15 19:42:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 states have internal predecessors, (142), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-15 19:42:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 280 transitions. [2023-12-15 19:42:38,959 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 280 transitions. Word has length 417 [2023-12-15 19:42:38,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:38,959 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 280 transitions. [2023-12-15 19:42:38,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 2 states have call successors, (69) [2023-12-15 19:42:38,960 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2023-12-15 19:42:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-15 19:42:38,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:38,966 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:38,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:39,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 19:42:39,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:39,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:39,177 INFO L85 PathProgramCache]: Analyzing trace with hash 689516438, now seen corresponding path program 1 times [2023-12-15 19:42:39,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:39,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131782231] [2023-12-15 19:42:39,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:39,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:39,286 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:39,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1077160480] [2023-12-15 19:42:39,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:39,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:39,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:39,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:39,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 19:42:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:39,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 19:42:39,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2023-12-15 19:42:39,526 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:42:39,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131782231] [2023-12-15 19:42:39,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:42:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077160480] [2023-12-15 19:42:39,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077160480] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:42:39,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:42:39,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:42:39,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340188394] [2023-12-15 19:42:39,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:42:39,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:42:39,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:39,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:42:39,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:42:39,534 INFO L87 Difference]: Start difference. First operand 170 states and 280 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:39,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:39,579 INFO L93 Difference]: Finished difference Result 339 states and 559 transitions. [2023-12-15 19:42:39,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:42:39,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) Word has length 417 [2023-12-15 19:42:39,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:39,586 INFO L225 Difference]: With dead ends: 339 [2023-12-15 19:42:39,586 INFO L226 Difference]: Without dead ends: 170 [2023-12-15 19:42:39,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:42:39,588 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 31 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:39,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 517 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:42:39,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-15 19:42:39,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2023-12-15 19:42:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 99 states have internal predecessors, (141), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-15 19:42:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 279 transitions. [2023-12-15 19:42:39,617 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 279 transitions. Word has length 417 [2023-12-15 19:42:39,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:39,619 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 279 transitions. [2023-12-15 19:42:39,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 279 transitions. [2023-12-15 19:42:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-15 19:42:39,628 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:39,628 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:39,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:39,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 19:42:39,833 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:39,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:39,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1304628268, now seen corresponding path program 1 times [2023-12-15 19:42:39,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:39,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072100229] [2023-12-15 19:42:39,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:39,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:39,888 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:39,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672330702] [2023-12-15 19:42:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:39,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:39,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:39,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:39,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 19:42:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:40,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:42:40,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 4578 proven. 81 refuted. 0 times theorem prover too weak. 4725 trivial. 0 not checked. [2023-12-15 19:42:40,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:42:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 123 proven. 81 refuted. 0 times theorem prover too weak. 9180 trivial. 0 not checked. [2023-12-15 19:42:40,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:40,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072100229] [2023-12-15 19:42:40,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:42:40,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672330702] [2023-12-15 19:42:40,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672330702] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 19:42:40,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 19:42:40,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-15 19:42:40,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808761603] [2023-12-15 19:42:40,563 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 19:42:40,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:42:40,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:40,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:42:40,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:42:40,565 INFO L87 Difference]: Start difference. First operand 170 states and 279 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 2 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2023-12-15 19:42:40,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:40,902 INFO L93 Difference]: Finished difference Result 347 states and 564 transitions. [2023-12-15 19:42:40,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 19:42:40,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 2 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 417 [2023-12-15 19:42:40,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:40,908 INFO L225 Difference]: With dead ends: 347 [2023-12-15 19:42:40,908 INFO L226 Difference]: Without dead ends: 178 [2023-12-15 19:42:40,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 836 GetRequests, 826 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-15 19:42:40,911 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 269 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:40,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 461 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 19:42:40,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-15 19:42:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 174. [2023-12-15 19:42:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 102 states have (on average 1.392156862745098) internal successors, (142), 102 states have internal predecessors, (142), 69 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-12-15 19:42:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 280 transitions. [2023-12-15 19:42:40,945 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 280 transitions. Word has length 417 [2023-12-15 19:42:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:40,946 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 280 transitions. [2023-12-15 19:42:40,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 2 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2023-12-15 19:42:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 280 transitions. [2023-12-15 19:42:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-15 19:42:40,951 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:40,951 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:40,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:41,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:41,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:41,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:41,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1242588654, now seen corresponding path program 1 times [2023-12-15 19:42:41,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:41,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138415471] [2023-12-15 19:42:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:41,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:41,187 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:41,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860780080] [2023-12-15 19:42:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:41,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:41,189 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:41,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 19:42:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:41,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 19:42:41,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 4454 proven. 75 refuted. 0 times theorem prover too weak. 4855 trivial. 0 not checked. [2023-12-15 19:42:41,985 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:42:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 129 proven. 75 refuted. 0 times theorem prover too weak. 9180 trivial. 0 not checked. [2023-12-15 19:42:42,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:42,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138415471] [2023-12-15 19:42:42,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:42:42,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860780080] [2023-12-15 19:42:42,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860780080] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 19:42:42,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 19:42:42,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2023-12-15 19:42:42,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907228789] [2023-12-15 19:42:42,320 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 19:42:42,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 19:42:42,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:42,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 19:42:42,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-15 19:42:42,324 INFO L87 Difference]: Start difference. First operand 174 states and 280 transitions. Second operand has 10 states, 10 states have (on average 13.8) internal successors, (138), 10 states have internal predecessors, (138), 4 states have call successors, (138), 3 states have call predecessors, (138), 5 states have return successors, (138), 4 states have call predecessors, (138), 4 states have call successors, (138) [2023-12-15 19:42:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:43,203 INFO L93 Difference]: Finished difference Result 757 states and 1204 transitions. [2023-12-15 19:42:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 19:42:43,204 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 10 states have internal predecessors, (138), 4 states have call successors, (138), 3 states have call predecessors, (138), 5 states have return successors, (138), 4 states have call predecessors, (138), 4 states have call successors, (138) Word has length 417 [2023-12-15 19:42:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:43,207 INFO L225 Difference]: With dead ends: 757 [2023-12-15 19:42:43,207 INFO L226 Difference]: Without dead ends: 584 [2023-12-15 19:42:43,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 836 GetRequests, 824 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-12-15 19:42:43,209 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 674 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:43,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 886 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 19:42:43,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-12-15 19:42:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 458. [2023-12-15 19:42:43,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 269 states have (on average 1.3680297397769516) internal successors, (368), 270 states have internal predecessors, (368), 181 states have call successors, (181), 7 states have call predecessors, (181), 7 states have return successors, (181), 180 states have call predecessors, (181), 181 states have call successors, (181) [2023-12-15 19:42:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 730 transitions. [2023-12-15 19:42:43,275 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 730 transitions. Word has length 417 [2023-12-15 19:42:43,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:43,276 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 730 transitions. [2023-12-15 19:42:43,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 10 states have internal predecessors, (138), 4 states have call successors, (138), 3 states have call predecessors, (138), 5 states have return successors, (138), 4 states have call predecessors, (138), 4 states have call successors, (138) [2023-12-15 19:42:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 730 transitions. [2023-12-15 19:42:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-15 19:42:43,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:43,280 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:43,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:43,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:43,487 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:43,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:43,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1023733936, now seen corresponding path program 1 times [2023-12-15 19:42:43,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:43,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124120383] [2023-12-15 19:42:43,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:43,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:43,520 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:43,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115703675] [2023-12-15 19:42:43,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:43,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:43,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:43,522 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:43,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 19:42:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:43,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-15 19:42:43,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 3562 proven. 129 refuted. 0 times theorem prover too weak. 5693 trivial. 0 not checked. [2023-12-15 19:42:44,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:42:50,024 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse8 (mod c_~var_1_37~0 4294967296))) (let ((.cse0 (mod c_~var_1_53~0 4294967296)) (.cse7 (* (- 1) .cse8))) (let ((.cse2 (+ (* (div (+ .cse0 (- 4294967233) .cse7) 4294967296) 4294967296) 8589934592 .cse8)) (.cse4 (mod (+ c_~var_1_53~0 63 (* c_~var_1_37~0 4294967295)) 4294967296))) (and (forall ((v_y_4 Int) (v_y_6 Int) (v_z_6 Int)) (let ((.cse1 (* v_y_6 4294967296)) (.cse3 (+ (* 4294967295 v_z_6) (* v_y_4 4294967296) (* 18446744069414584320 v_y_6)))) (or (< (+ .cse0 .cse1 v_z_6) 4294967296) (< .cse2 (+ .cse0 v_z_6)) (< 4294967295 (+ .cse1 v_z_6)) (< .cse3 63) (< 127 .cse3) (< (+ v_z_6 .cse4) 4294967296)))) (forall ((v_z_14 Int) (v_y_4 Int) (v_y_14 Int)) (let ((.cse5 (* v_y_14 4294967296)) (.cse6 (+ (* v_z_14 4294967295) (* v_y_4 4294967296) (* 18446744069414584320 v_y_14)))) (or (< 4294967295 (+ .cse0 v_z_14 .cse5)) (< (+ v_z_14 .cse5) 0) (< 127 .cse6) (< .cse6 63) (< (+ (* (div (+ .cse0 63 .cse7) 4294967296) 4294967296) 4294967296 .cse8) (+ .cse0 v_z_14)) (< (+ v_z_14 .cse4) 4294967296)))) (forall ((v_y_4 Int) (v_z_13 Int) (v_y_13 Int) (v_y_8 Int)) (let ((.cse9 (* v_y_13 4294967296))) (let ((.cse10 (+ (* v_y_8 4294967296) v_z_13 .cse9)) (.cse11 (+ (* 18446744069414584320 v_y_13) (* v_y_4 4294967296) (* 18446744069414584320 v_y_8) (* v_z_13 4294967295)))) (or (< .cse2 (+ .cse0 v_z_13 .cse9)) (< .cse10 0) (< 4294967295 .cse10) (< 4294967295 v_z_13) (< v_z_13 0) (< (+ v_z_13 .cse4 .cse9) 4294967296) (< 127 .cse11) (< .cse11 63))))))))) is different from false [2023-12-15 19:42:50,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:50,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124120383] [2023-12-15 19:42:50,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:42:50,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115703675] [2023-12-15 19:42:50,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115703675] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:42:50,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:42:50,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-12-15 19:42:50,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554821833] [2023-12-15 19:42:50,237 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 19:42:50,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-15 19:42:50,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:50,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-15 19:42:50,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=499, Unknown=1, NotChecked=50, Total=756 [2023-12-15 19:42:50,238 INFO L87 Difference]: Start difference. First operand 458 states and 730 transitions. Second operand has 17 states, 17 states have (on average 5.647058823529412) internal successors, (96), 15 states have internal predecessors, (96), 7 states have call successors, (69), 7 states have call predecessors, (69), 8 states have return successors, (69), 5 states have call predecessors, (69), 7 states have call successors, (69) [2023-12-15 19:42:50,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:50,918 INFO L93 Difference]: Finished difference Result 1428 states and 2234 transitions. [2023-12-15 19:42:50,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-15 19:42:50,919 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.647058823529412) internal successors, (96), 15 states have internal predecessors, (96), 7 states have call successors, (69), 7 states have call predecessors, (69), 8 states have return successors, (69), 5 states have call predecessors, (69), 7 states have call successors, (69) Word has length 417 [2023-12-15 19:42:50,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:50,925 INFO L225 Difference]: With dead ends: 1428 [2023-12-15 19:42:50,925 INFO L226 Difference]: Without dead ends: 971 [2023-12-15 19:42:50,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=405, Invalid=858, Unknown=1, NotChecked=68, Total=1332 [2023-12-15 19:42:50,927 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 387 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:50,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 968 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 19:42:50,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2023-12-15 19:42:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 953. [2023-12-15 19:42:51,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 566 states have (on average 1.3462897526501767) internal successors, (762), 568 states have internal predecessors, (762), 362 states have call successors, (362), 24 states have call predecessors, (362), 24 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2023-12-15 19:42:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1486 transitions. [2023-12-15 19:42:51,018 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1486 transitions. Word has length 417 [2023-12-15 19:42:51,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:51,020 INFO L495 AbstractCegarLoop]: Abstraction has 953 states and 1486 transitions. [2023-12-15 19:42:51,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.647058823529412) internal successors, (96), 15 states have internal predecessors, (96), 7 states have call successors, (69), 7 states have call predecessors, (69), 8 states have return successors, (69), 5 states have call predecessors, (69), 7 states have call successors, (69) [2023-12-15 19:42:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1486 transitions. [2023-12-15 19:42:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-15 19:42:51,022 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:51,022 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:51,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:51,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:51,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:51,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:51,229 INFO L85 PathProgramCache]: Analyzing trace with hash -883185326, now seen corresponding path program 1 times [2023-12-15 19:42:51,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:51,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451972367] [2023-12-15 19:42:51,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:51,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:51,257 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:51,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [213436708] [2023-12-15 19:42:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:51,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:51,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:51,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:51,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 19:42:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:51,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 19:42:51,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2023-12-15 19:42:51,882 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:42:51,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:51,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451972367] [2023-12-15 19:42:51,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:42:51,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213436708] [2023-12-15 19:42:51,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213436708] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:42:51,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:42:51,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:42:51,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593683417] [2023-12-15 19:42:51,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:42:51,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:42:51,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:51,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:42:51,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:42:51,885 INFO L87 Difference]: Start difference. First operand 953 states and 1486 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:52,213 INFO L93 Difference]: Finished difference Result 2851 states and 4444 transitions. [2023-12-15 19:42:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:42:52,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) Word has length 417 [2023-12-15 19:42:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:52,225 INFO L225 Difference]: With dead ends: 2851 [2023-12-15 19:42:52,225 INFO L226 Difference]: Without dead ends: 1899 [2023-12-15 19:42:52,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:42:52,229 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 215 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:52,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 775 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 19:42:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2023-12-15 19:42:52,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1091. [2023-12-15 19:42:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 704 states have (on average 1.3806818181818181) internal successors, (972), 706 states have internal predecessors, (972), 362 states have call successors, (362), 24 states have call predecessors, (362), 24 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2023-12-15 19:42:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1696 transitions. [2023-12-15 19:42:52,426 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1696 transitions. Word has length 417 [2023-12-15 19:42:52,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:52,426 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1696 transitions. [2023-12-15 19:42:52,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1696 transitions. [2023-12-15 19:42:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-12-15 19:42:52,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:52,429 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:52,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:52,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:52,647 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:52,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:52,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1904253680, now seen corresponding path program 1 times [2023-12-15 19:42:52,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:52,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924670680] [2023-12-15 19:42:52,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:52,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:52,674 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:52,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631198516] [2023-12-15 19:42:52,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:52,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:52,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:52,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:52,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 19:42:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:52,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 19:42:52,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2023-12-15 19:42:52,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:42:52,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:52,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924670680] [2023-12-15 19:42:52,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:42:52,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631198516] [2023-12-15 19:42:52,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631198516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:42:52,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:42:52,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:42:52,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072650998] [2023-12-15 19:42:52,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:42:52,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:42:52,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:52,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:42:52,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:42:52,881 INFO L87 Difference]: Start difference. First operand 1091 states and 1696 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:53,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:53,132 INFO L93 Difference]: Finished difference Result 2989 states and 4630 transitions. [2023-12-15 19:42:53,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 19:42:53,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) Word has length 417 [2023-12-15 19:42:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:53,141 INFO L225 Difference]: With dead ends: 2989 [2023-12-15 19:42:53,141 INFO L226 Difference]: Without dead ends: 1899 [2023-12-15 19:42:53,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:42:53,145 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 283 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:53,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 784 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:42:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2023-12-15 19:42:53,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1091. [2023-12-15 19:42:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 704 states have (on average 1.3721590909090908) internal successors, (966), 706 states have internal predecessors, (966), 362 states have call successors, (362), 24 states have call predecessors, (362), 24 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2023-12-15 19:42:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1690 transitions. [2023-12-15 19:42:53,307 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1690 transitions. Word has length 417 [2023-12-15 19:42:53,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:53,307 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1690 transitions. [2023-12-15 19:42:53,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1690 transitions. [2023-12-15 19:42:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2023-12-15 19:42:53,310 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:53,310 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:53,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:53,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:53,516 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:53,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:53,517 INFO L85 PathProgramCache]: Analyzing trace with hash -578795797, now seen corresponding path program 1 times [2023-12-15 19:42:53,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:53,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725752069] [2023-12-15 19:42:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:53,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:53,545 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:53,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708957522] [2023-12-15 19:42:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:53,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:53,547 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:53,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 19:42:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:53,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 19:42:53,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2023-12-15 19:42:54,118 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:42:54,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:42:54,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725752069] [2023-12-15 19:42:54,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:42:54,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708957522] [2023-12-15 19:42:54,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708957522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:42:54,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:42:54,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:42:54,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659836387] [2023-12-15 19:42:54,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:42:54,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:42:54,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:42:54,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:42:54,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:42:54,120 INFO L87 Difference]: Start difference. First operand 1091 states and 1690 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:54,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:42:54,361 INFO L93 Difference]: Finished difference Result 2181 states and 3379 transitions. [2023-12-15 19:42:54,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:42:54,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) Word has length 419 [2023-12-15 19:42:54,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:42:54,366 INFO L225 Difference]: With dead ends: 2181 [2023-12-15 19:42:54,366 INFO L226 Difference]: Without dead ends: 1091 [2023-12-15 19:42:54,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:42:54,370 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 77 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:42:54,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 374 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:42:54,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2023-12-15 19:42:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2023-12-15 19:42:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 704 states have (on average 1.3551136363636365) internal successors, (954), 706 states have internal predecessors, (954), 362 states have call successors, (362), 24 states have call predecessors, (362), 24 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2023-12-15 19:42:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1678 transitions. [2023-12-15 19:42:54,503 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1678 transitions. Word has length 419 [2023-12-15 19:42:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:42:54,504 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1678 transitions. [2023-12-15 19:42:54,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 1 states have call predecessors, (69), 1 states have call successors, (69) [2023-12-15 19:42:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1678 transitions. [2023-12-15 19:42:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2023-12-15 19:42:54,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:42:54,506 INFO L195 NwaCegarLoop]: trace histogram [69, 69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:42:54,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 19:42:54,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-15 19:42:54,712 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:42:54,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:42:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1599864151, now seen corresponding path program 1 times [2023-12-15 19:42:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:42:54,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405352121] [2023-12-15 19:42:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:54,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:42:54,737 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:42:54,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920585913] [2023-12-15 19:42:54,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:42:54,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:42:54,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:42:54,738 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 19:42:54,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 19:42:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:42:54,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-15 19:42:54,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:42:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9384 backedges. 3623 proven. 300 refuted. 0 times theorem prover too weak. 5461 trivial. 0 not checked. [2023-12-15 19:42:56,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 19:43:05,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:43:05,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405352121] [2023-12-15 19:43:05,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:43:05,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920585913] [2023-12-15 19:43:05,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920585913] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 19:43:05,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 19:43:05,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-12-15 19:43:05,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527941188] [2023-12-15 19:43:05,755 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 19:43:05,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 19:43:05,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:43:05,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 19:43:05,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-12-15 19:43:05,756 INFO L87 Difference]: Start difference. First operand 1091 states and 1678 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 3 states have call successors, (69), 3 states have call predecessors, (69), 4 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2023-12-15 19:43:10,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:15,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:16,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:20,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:24,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:28,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:32,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:40,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-15 19:43:45,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] Received shutdown request... [2023-12-15 19:43:45,847 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 19:43:45,856 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 [2023-12-15 19:43:46,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 19:43:47,057 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-15 19:43:47,065 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 137 [2023-12-15 19:43:47,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 19:43:47,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2023-12-15 19:43:47,066 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 69 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2023-12-15 19:43:47,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 103 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 209 Invalid, 8 Unknown, 0 Unchecked, 35.4s Time] [2023-12-15 19:43:47,067 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 19:43:47,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 19:43:47,068 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (1091states) and FLOYD_HOARE automaton (currently 11 states, 10 states before enhancement),while executing Executor. [2023-12-15 19:43:47,071 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:43:47,073 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 19:43:47,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 07:43:47 BoogieIcfgContainer [2023-12-15 19:43:47,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 19:43:47,074 INFO L158 Benchmark]: Toolchain (without parser) took 70079.74ms. Allocated memory was 220.2MB in the beginning and 639.6MB in the end (delta: 419.4MB). Free memory was 165.9MB in the beginning and 277.3MB in the end (delta: -111.4MB). Peak memory consumption was 309.0MB. Max. memory is 8.0GB. [2023-12-15 19:43:47,074 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 220.2MB. Free memory is still 167.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 19:43:47,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.64ms. Allocated memory is still 220.2MB. Free memory was 165.7MB in the beginning and 147.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-15 19:43:47,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.32ms. Allocated memory is still 220.2MB. Free memory was 147.5MB in the beginning and 143.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 19:43:47,075 INFO L158 Benchmark]: Boogie Preprocessor took 70.97ms. Allocated memory is still 220.2MB. Free memory was 143.1MB in the beginning and 187.9MB in the end (delta: -44.8MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2023-12-15 19:43:47,075 INFO L158 Benchmark]: RCFGBuilder took 587.87ms. Allocated memory is still 220.2MB. Free memory was 187.9MB in the beginning and 147.0MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-12-15 19:43:47,075 INFO L158 Benchmark]: TraceAbstraction took 69076.02ms. Allocated memory was 220.2MB in the beginning and 639.6MB in the end (delta: 419.4MB). Free memory was 146.5MB in the beginning and 277.3MB in the end (delta: -130.8MB). Peak memory consumption was 288.1MB. Max. memory is 8.0GB. [2023-12-15 19:43:47,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 220.2MB. Free memory is still 167.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 286.64ms. Allocated memory is still 220.2MB. Free memory was 165.7MB in the beginning and 147.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.32ms. Allocated memory is still 220.2MB. Free memory was 147.5MB in the beginning and 143.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.97ms. Allocated memory is still 220.2MB. Free memory was 143.1MB in the beginning and 187.9MB in the end (delta: -44.8MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * RCFGBuilder took 587.87ms. Allocated memory is still 220.2MB. Free memory was 187.9MB in the beginning and 147.0MB in the end (delta: 40.9MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * TraceAbstraction took 69076.02ms. Allocated memory was 220.2MB in the beginning and 639.6MB in the end (delta: 419.4MB). Free memory was 146.5MB in the beginning and 277.3MB in the end (delta: -130.8MB). Peak memory consumption was 288.1MB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was constructing difference of abstraction (1091states) and FLOYD_HOARE automaton (currently 11 states, 10 states before enhancement),while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 172 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.0s, OverallIterations: 9, TraceHistogramMax: 69, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 44.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 2170 SdHoareTripleChecker+Valid, 37.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1966 mSDsluCounter, 5145 SdHoareTripleChecker+Invalid, 36.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2912 mSDsCounter, 645 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2275 IncrementalHoareTripleChecker+Invalid, 2928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 645 mSolverCounterUnsat, 2233 mSDtfsCounter, 2275 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5033 GetRequests, 4949 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1091occurred in iteration=6, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 1764 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 4174 NumberOfCodeBlocks, 4174 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 4580 ConstructedInterpolants, 1 QuantifiedInterpolants, 15739 SizeOfPredicates, 22 NumberOfNonLiveVariables, 8136 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 102483/103224 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