/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-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 06:30:07,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 06:30:07,894 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 06:30:07,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 06:30:07,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 06:30:07,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 06:30:07,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 06:30:07,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 06:30:07,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 06:30:07,911 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 06:30:07,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 06:30:07,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 06:30:07,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 06:30:07,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 06:30:07,912 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 06:30:07,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 06:30:07,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 06:30:07,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 06:30:07,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 06:30:07,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 06:30:07,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 06:30:07,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 06:30:07,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 06:30:07,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 06:30:07,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 06:30:07,915 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 06:30:07,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 06:30:07,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 06:30:07,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 06:30:07,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 06:30:07,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 06:30:07,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 06:30:07,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 06:30:07,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 06:30:07,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 06:30:07,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 06:30:07,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 06:30:07,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 06:30:07,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 06:30:07,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 06:30:07,917 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 06:30:07,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 06:30:07,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 06:30:07,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 06:30:08,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 06:30:08,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 06:30:08,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 06:30:08,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 06:30:08,066 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 06:30:08,067 INFO L431 ainManager$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-95.i [2023-12-19 06:30:09,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 06:30:09,288 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 06:30:09,291 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-95.i [2023-12-19 06:30:09,303 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e69b6b67d/3c02c67574a04de0a67d08d51b1d6d59/FLAG8a0feda6f [2023-12-19 06:30:09,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e69b6b67d/3c02c67574a04de0a67d08d51b1d6d59 [2023-12-19 06:30:09,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 06:30:09,324 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 06:30:09,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 06:30:09,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 06:30:09,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 06:30:09,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18454b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09, skipping insertion in model container [2023-12-19 06:30:09,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 06:30:09,482 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-95.i[916,929] [2023-12-19 06:30:09,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 06:30:09,558 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 06:30:09,568 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-95.i[916,929] [2023-12-19 06:30:09,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 06:30:09,623 INFO L206 MainTranslator]: Completed translation [2023-12-19 06:30:09,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09 WrapperNode [2023-12-19 06:30:09,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 06:30:09,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 06:30:09,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 06:30:09,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 06:30:09,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,694 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-12-19 06:30:09,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 06:30:09,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 06:30:09,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 06:30:09,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 06:30:09,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,718 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]. [2023-12-19 06:30:09,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 06:30:09,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 06:30:09,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 06:30:09,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 06:30:09,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (1/1) ... [2023-12-19 06:30:09,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 06:30:09,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:09,764 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) [2023-12-19 06:30:09,779 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 [2023-12-19 06:30:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 06:30:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 06:30:09,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 06:30:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 06:30:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 06:30:09,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 06:30:09,858 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 06:30:09,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 06:30:10,402 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 06:30:10,444 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 06:30:10,444 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 06:30:10,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:30:10 BoogieIcfgContainer [2023-12-19 06:30:10,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 06:30:10,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 06:30:10,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 06:30:10,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 06:30:10,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 06:30:09" (1/3) ... [2023-12-19 06:30:10,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e678f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 06:30:10, skipping insertion in model container [2023-12-19 06:30:10,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:30:09" (2/3) ... [2023-12-19 06:30:10,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e678f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 06:30:10, skipping insertion in model container [2023-12-19 06:30:10,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:30:10" (3/3) ... [2023-12-19 06:30:10,452 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-95.i [2023-12-19 06:30:10,466 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 06:30:10,467 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 06:30:10,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 06:30:10,518 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;@643b6615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 06:30:10,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 06:30:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 92 states have (on average 1.5978260869565217) internal successors, (147), 93 states have internal predecessors, (147), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-19 06:30:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-19 06:30:10,560 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:10,561 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:10,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:10,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:10,567 INFO L85 PathProgramCache]: Analyzing trace with hash -559289871, now seen corresponding path program 1 times [2023-12-19 06:30:10,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:10,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181498109] [2023-12-19 06:30:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:10,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:30:10,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181498109] [2023-12-19 06:30:10,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 06:30:10,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267110024] [2023-12-19 06:30:10,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:10,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:10,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:10,841 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) [2023-12-19 06:30:10,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 06:30:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:11,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 06:30:11,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:30:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 4802 trivial. 0 not checked. [2023-12-19 06:30:11,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:30:11,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267110024] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:30:11,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:30:11,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 06:30:11,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954042480] [2023-12-19 06:30:11,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:30:11,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 06:30:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:30:11,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 06:30:11,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 06:30:11,396 INFO L87 Difference]: Start difference. First operand has 145 states, 92 states have (on average 1.5978260869565217) internal successors, (147), 93 states have internal predecessors, (147), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2023-12-19 06:30:11,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:30:11,474 INFO L93 Difference]: Finished difference Result 286 states and 540 transitions. [2023-12-19 06:30:11,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 06:30:11,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 307 [2023-12-19 06:30:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:30:11,484 INFO L225 Difference]: With dead ends: 286 [2023-12-19 06:30:11,484 INFO L226 Difference]: Without dead ends: 142 [2023-12-19 06:30:11,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 06:30:11,494 INFO L413 NwaCegarLoop]: 236 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, 236 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 [2023-12-19 06:30:11,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 06:30:11,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-19 06:30:11,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-12-19 06:30:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 90 states have internal predecessors, (139), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-19 06:30:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 239 transitions. [2023-12-19 06:30:11,554 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 239 transitions. Word has length 307 [2023-12-19 06:30:11,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:30:11,555 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 239 transitions. [2023-12-19 06:30:11,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2023-12-19 06:30:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 239 transitions. [2023-12-19 06:30:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-19 06:30:11,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:11,568 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:11,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 06:30:11,780 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 [2023-12-19 06:30:11,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:11,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1900787015, now seen corresponding path program 1 times [2023-12-19 06:30:11,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:11,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465966868] [2023-12-19 06:30:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:11,877 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:30:11,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097490948] [2023-12-19 06:30:11,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:11,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:11,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:11,878 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) [2023-12-19 06:30:11,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 06:30:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:12,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 06:30:12,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:30:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-19 06:30:12,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 06:30:12,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:30:12,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465966868] [2023-12-19 06:30:12,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:30:12,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097490948] [2023-12-19 06:30:12,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097490948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 06:30:12,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 06:30:12,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 06:30:12,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486529163] [2023-12-19 06:30:12,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 06:30:12,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 06:30:12,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:30:12,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 06:30:12,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 06:30:12,094 INFO L87 Difference]: Start difference. First operand 142 states and 239 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-19 06:30:12,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:30:12,128 INFO L93 Difference]: Finished difference Result 369 states and 623 transitions. [2023-12-19 06:30:12,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 06:30:12,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2023-12-19 06:30:12,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:30:12,131 INFO L225 Difference]: With dead ends: 369 [2023-12-19 06:30:12,131 INFO L226 Difference]: Without dead ends: 228 [2023-12-19 06:30:12,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 06:30:12,132 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 142 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 06:30:12,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 463 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 06:30:12,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-19 06:30:12,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2023-12-19 06:30:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 157 states have (on average 1.605095541401274) internal successors, (252), 158 states have internal predecessors, (252), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-19 06:30:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 382 transitions. [2023-12-19 06:30:12,150 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 382 transitions. Word has length 307 [2023-12-19 06:30:12,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:30:12,151 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 382 transitions. [2023-12-19 06:30:12,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-19 06:30:12,151 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 382 transitions. [2023-12-19 06:30:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-19 06:30:12,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:12,154 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:12,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 06:30:12,364 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 [2023-12-19 06:30:12,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:12,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:12,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1760238405, now seen corresponding path program 1 times [2023-12-19 06:30:12,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:12,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586899908] [2023-12-19 06:30:12,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:12,477 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:30:12,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813336545] [2023-12-19 06:30:12,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:12,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:12,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:12,497 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) [2023-12-19 06:30:12,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 06:30:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:12,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 06:30:12,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:30:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2457 proven. 63 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-19 06:30:12,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:30:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 84 proven. 63 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-19 06:30:13,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:30:13,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586899908] [2023-12-19 06:30:13,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:30:13,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813336545] [2023-12-19 06:30:13,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813336545] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 06:30:13,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 06:30:13,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-19 06:30:13,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290509411] [2023-12-19 06:30:13,096 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 06:30:13,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 06:30:13,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:30:13,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 06:30:13,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 06:30:13,100 INFO L87 Difference]: Start difference. First operand 225 states and 382 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2023-12-19 06:30:13,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:30:13,356 INFO L93 Difference]: Finished difference Result 459 states and 772 transitions. [2023-12-19 06:30:13,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 06:30:13,357 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 307 [2023-12-19 06:30:13,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:30:13,360 INFO L225 Difference]: With dead ends: 459 [2023-12-19 06:30:13,360 INFO L226 Difference]: Without dead ends: 235 [2023-12-19 06:30:13,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 606 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-19 06:30:13,361 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 254 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 06:30:13,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 424 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 06:30:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-12-19 06:30:13,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 229. [2023-12-19 06:30:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 160 states have (on average 1.56875) internal successors, (251), 161 states have internal predecessors, (251), 65 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-19 06:30:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 381 transitions. [2023-12-19 06:30:13,377 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 381 transitions. Word has length 307 [2023-12-19 06:30:13,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:30:13,381 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 381 transitions. [2023-12-19 06:30:13,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2023-12-19 06:30:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 381 transitions. [2023-12-19 06:30:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-19 06:30:13,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:13,383 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:13,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 06:30:13,589 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 [2023-12-19 06:30:13,591 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:13,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:13,592 INFO L85 PathProgramCache]: Analyzing trace with hash -403703902, now seen corresponding path program 1 times [2023-12-19 06:30:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:13,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204500995] [2023-12-19 06:30:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:13,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:13,641 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:30:13,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1469238865] [2023-12-19 06:30:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:13,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:13,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:13,643 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) [2023-12-19 06:30:13,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 06:30:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:13,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-19 06:30:13,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:30:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2367 proven. 90 refuted. 0 times theorem prover too weak. 2443 trivial. 0 not checked. [2023-12-19 06:30:14,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:30:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 57 proven. 90 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-19 06:30:14,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:30:14,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204500995] [2023-12-19 06:30:14,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:30:14,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469238865] [2023-12-19 06:30:14,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469238865] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 06:30:14,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 06:30:14,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-19 06:30:14,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373525740] [2023-12-19 06:30:14,259 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 06:30:14,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 06:30:14,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:30:14,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 06:30:14,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-19 06:30:14,260 INFO L87 Difference]: Start difference. First operand 229 states and 381 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 3 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2023-12-19 06:30:14,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:30:14,710 INFO L93 Difference]: Finished difference Result 607 states and 995 transitions. [2023-12-19 06:30:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 06:30:14,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 3 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 308 [2023-12-19 06:30:14,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:30:14,713 INFO L225 Difference]: With dead ends: 607 [2023-12-19 06:30:14,713 INFO L226 Difference]: Without dead ends: 379 [2023-12-19 06:30:14,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2023-12-19 06:30:14,715 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 450 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 06:30:14,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 773 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 06:30:14,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-12-19 06:30:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 366. [2023-12-19 06:30:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 262 states have (on average 1.5534351145038168) internal successors, (407), 265 states have internal predecessors, (407), 97 states have call successors, (97), 6 states have call predecessors, (97), 6 states have return successors, (97), 94 states have call predecessors, (97), 97 states have call successors, (97) [2023-12-19 06:30:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 601 transitions. [2023-12-19 06:30:14,755 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 601 transitions. Word has length 308 [2023-12-19 06:30:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:30:14,758 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 601 transitions. [2023-12-19 06:30:14,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 10 states have internal predecessors, (98), 3 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2023-12-19 06:30:14,758 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 601 transitions. [2023-12-19 06:30:14,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-12-19 06:30:14,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:14,761 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:14,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 06:30:14,968 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 [2023-12-19 06:30:14,968 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:14,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:14,969 INFO L85 PathProgramCache]: Analyzing trace with hash -755628682, now seen corresponding path program 1 times [2023-12-19 06:30:14,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:14,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827708391] [2023-12-19 06:30:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:15,012 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:30:15,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035632360] [2023-12-19 06:30:15,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:15,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:15,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:15,014 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) [2023-12-19 06:30:15,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 06:30:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:15,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-19 06:30:15,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:30:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2289 proven. 51 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2023-12-19 06:30:15,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:30:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 96 proven. 51 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-19 06:30:16,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:30:16,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827708391] [2023-12-19 06:30:16,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:30:16,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035632360] [2023-12-19 06:30:16,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035632360] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 06:30:16,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 06:30:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2023-12-19 06:30:16,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063838805] [2023-12-19 06:30:16,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 06:30:16,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 06:30:16,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:30:16,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 06:30:16,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-19 06:30:16,141 INFO L87 Difference]: Start difference. First operand 366 states and 601 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (100), 3 states have call predecessors, (100), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2023-12-19 06:30:17,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:30:17,251 INFO L93 Difference]: Finished difference Result 2079 states and 3399 transitions. [2023-12-19 06:30:17,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-19 06:30:17,252 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (100), 3 states have call predecessors, (100), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) Word has length 309 [2023-12-19 06:30:17,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:30:17,259 INFO L225 Difference]: With dead ends: 2079 [2023-12-19 06:30:17,259 INFO L226 Difference]: Without dead ends: 1714 [2023-12-19 06:30:17,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-12-19 06:30:17,268 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 771 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-19 06:30:17,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 1552 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-19 06:30:17,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2023-12-19 06:30:17,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1389. [2023-12-19 06:30:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 992 states have (on average 1.529233870967742) internal successors, (1517), 1005 states have internal predecessors, (1517), 370 states have call successors, (370), 26 states have call predecessors, (370), 26 states have return successors, (370), 357 states have call predecessors, (370), 370 states have call successors, (370) [2023-12-19 06:30:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 2257 transitions. [2023-12-19 06:30:17,508 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 2257 transitions. Word has length 309 [2023-12-19 06:30:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:30:17,509 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 2257 transitions. [2023-12-19 06:30:17,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (100), 3 states have call predecessors, (100), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2023-12-19 06:30:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2257 transitions. [2023-12-19 06:30:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-12-19 06:30:17,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:17,513 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:17,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 06:30:17,720 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 [2023-12-19 06:30:17,721 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:17,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1318804236, now seen corresponding path program 1 times [2023-12-19 06:30:17,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:17,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548070099] [2023-12-19 06:30:17,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:17,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:17,765 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:30:17,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1000464811] [2023-12-19 06:30:17,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:17,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:17,769 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) [2023-12-19 06:30:17,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 06:30:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:17,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 06:30:17,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:30:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2469 proven. 81 refuted. 0 times theorem prover too weak. 2350 trivial. 0 not checked. [2023-12-19 06:30:18,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:30:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 66 proven. 81 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-19 06:30:18,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:30:18,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548070099] [2023-12-19 06:30:18,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:30:18,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000464811] [2023-12-19 06:30:18,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000464811] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 06:30:18,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 06:30:18,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-19 06:30:18,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954473891] [2023-12-19 06:30:18,260 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 06:30:18,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 06:30:18,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:30:18,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 06:30:18,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 06:30:18,262 INFO L87 Difference]: Start difference. First operand 1389 states and 2257 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 3 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2023-12-19 06:30:18,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:30:18,565 INFO L93 Difference]: Finished difference Result 2474 states and 3979 transitions. [2023-12-19 06:30:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-19 06:30:18,565 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 3 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) Word has length 309 [2023-12-19 06:30:18,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:30:18,573 INFO L225 Difference]: With dead ends: 2474 [2023-12-19 06:30:18,573 INFO L226 Difference]: Without dead ends: 1453 [2023-12-19 06:30:18,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2023-12-19 06:30:18,577 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 254 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 06:30:18,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 407 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 06:30:18,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-12-19 06:30:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1405. [2023-12-19 06:30:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1004 states have (on average 1.5169322709163346) internal successors, (1523), 1017 states have internal predecessors, (1523), 370 states have call successors, (370), 30 states have call predecessors, (370), 30 states have return successors, (370), 357 states have call predecessors, (370), 370 states have call successors, (370) [2023-12-19 06:30:18,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2263 transitions. [2023-12-19 06:30:18,661 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2263 transitions. Word has length 309 [2023-12-19 06:30:18,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:30:18,661 INFO L495 AbstractCegarLoop]: Abstraction has 1405 states and 2263 transitions. [2023-12-19 06:30:18,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 3 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2023-12-19 06:30:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2263 transitions. [2023-12-19 06:30:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-12-19 06:30:18,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:18,666 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:18,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 06:30:18,874 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 [2023-12-19 06:30:18,875 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:18,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash 792644253, now seen corresponding path program 1 times [2023-12-19 06:30:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:18,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282803804] [2023-12-19 06:30:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:18,901 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:30:18,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049941587] [2023-12-19 06:30:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:18,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:18,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:18,916 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) [2023-12-19 06:30:18,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 06:30:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:19,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-19 06:30:19,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 06:30:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2367 proven. 90 refuted. 0 times theorem prover too weak. 2443 trivial. 0 not checked. [2023-12-19 06:30:19,250 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 06:30:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 57 proven. 90 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-19 06:30:19,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 06:30:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282803804] [2023-12-19 06:30:19,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 06:30:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049941587] [2023-12-19 06:30:19,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049941587] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 06:30:19,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 06:30:19,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-12-19 06:30:19,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688716206] [2023-12-19 06:30:19,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 06:30:19,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-19 06:30:19,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 06:30:19,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-19 06:30:19,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-19 06:30:19,435 INFO L87 Difference]: Start difference. First operand 1405 states and 2263 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 3 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2023-12-19 06:30:20,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 06:30:20,014 INFO L93 Difference]: Finished difference Result 3522 states and 5650 transitions. [2023-12-19 06:30:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-19 06:30:20,015 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 3 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 310 [2023-12-19 06:30:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 06:30:20,023 INFO L225 Difference]: With dead ends: 3522 [2023-12-19 06:30:20,024 INFO L226 Difference]: Without dead ends: 2118 [2023-12-19 06:30:20,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=270, Unknown=0, NotChecked=0, Total=420 [2023-12-19 06:30:20,028 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 586 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 06:30:20,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 810 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 06:30:20,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2023-12-19 06:30:20,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 990. [2023-12-19 06:30:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 721 states have (on average 1.5145631067961165) internal successors, (1092), 726 states have internal predecessors, (1092), 242 states have call successors, (242), 26 states have call predecessors, (242), 26 states have return successors, (242), 237 states have call predecessors, (242), 242 states have call successors, (242) [2023-12-19 06:30:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1576 transitions. [2023-12-19 06:30:20,152 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1576 transitions. Word has length 310 [2023-12-19 06:30:20,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 06:30:20,153 INFO L495 AbstractCegarLoop]: Abstraction has 990 states and 1576 transitions. [2023-12-19 06:30:20,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 3 states have call successors, (80), 2 states have call predecessors, (80), 4 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2023-12-19 06:30:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1576 transitions. [2023-12-19 06:30:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-12-19 06:30:20,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 06:30:20,156 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:30:20,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-19 06:30:20,361 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 [2023-12-19 06:30:20,362 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 06:30:20,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 06:30:20,363 INFO L85 PathProgramCache]: Analyzing trace with hash 815276507, now seen corresponding path program 1 times [2023-12-19 06:30:20,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 06:30:20,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327502727] [2023-12-19 06:30:20,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:20,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 06:30:20,400 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 06:30:20,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1107846721] [2023-12-19 06:30:20,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 06:30:20,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 06:30:20,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 06:30:20,417 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) [2023-12-19 06:30:20,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 06:30:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 06:30:20,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-19 06:30:20,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-19 06:44:32,721 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-19 06:44:32,722 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 [2023-12-19 06:44:32,959 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 06:44:32,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-19 06:44:33,163 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 [2023-12-19 06:44:33,165 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 311 with TraceHistMax 50,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-57-4-5-6-2-6-3-5-2-4-3-4-3-3-2-3-3-3-2-3-2-6-2-5-2-3-2-6-2-6-2-6-2-6-2-5-2-6-2-5-2-3-2-6-2-6-2-5-2-3-2-4-2-6-2-6-2-6-2-6-2-6-2-6-2-7-2-7-2-7-2-6-2-7-2-6-2-5-2-3-2-2-2-1 context. [2023-12-19 06:44:33,171 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 06:44:33,173 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 06:44:33,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 06:44:33 BoogieIcfgContainer [2023-12-19 06:44:33,174 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 06:44:33,175 INFO L158 Benchmark]: Toolchain (without parser) took 863850.36ms. Allocated memory was 185.6MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 140.1MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 5.8GB. Max. memory is 8.0GB. [2023-12-19 06:44:33,175 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 06:44:33,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.80ms. Allocated memory is still 185.6MB. Free memory was 140.1MB in the beginning and 122.0MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-19 06:44:33,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.17ms. Allocated memory is still 185.6MB. Free memory was 122.0MB in the beginning and 116.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-19 06:44:33,176 INFO L158 Benchmark]: Boogie Preprocessor took 43.92ms. Allocated memory is still 185.6MB. Free memory was 116.7MB in the beginning and 110.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-19 06:44:33,176 INFO L158 Benchmark]: RCFGBuilder took 704.98ms. Allocated memory was 185.6MB in the beginning and 276.8MB in the end (delta: 91.2MB). Free memory was 110.1MB in the beginning and 227.9MB in the end (delta: -117.9MB). Peak memory consumption was 37.1MB. Max. memory is 8.0GB. [2023-12-19 06:44:33,176 INFO L158 Benchmark]: TraceAbstraction took 862726.86ms. Allocated memory was 276.8MB in the beginning and 7.6GB in the end (delta: 7.3GB). Free memory was 226.9MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 5.8GB. Max. memory is 8.0GB. [2023-12-19 06:44:33,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 297.80ms. Allocated memory is still 185.6MB. Free memory was 140.1MB in the beginning and 122.0MB in the end (delta: 18.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.17ms. Allocated memory is still 185.6MB. Free memory was 122.0MB in the beginning and 116.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.92ms. Allocated memory is still 185.6MB. Free memory was 116.7MB in the beginning and 110.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 704.98ms. Allocated memory was 185.6MB in the beginning and 276.8MB in the end (delta: 91.2MB). Free memory was 110.1MB in the beginning and 227.9MB in the end (delta: -117.9MB). Peak memory consumption was 37.1MB. Max. memory is 8.0GB. * TraceAbstraction took 862726.86ms. Allocated memory was 276.8MB in the beginning and 7.6GB in the end (delta: 7.3GB). Free memory was 226.9MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 5.8GB. 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 analyzing trace of length 311 with TraceHistMax 50,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-57-4-5-6-2-6-3-5-2-4-3-4-3-3-2-3-3-3-2-3-2-6-2-5-2-3-2-6-2-6-2-6-2-6-2-5-2-6-2-5-2-3-2-6-2-6-2-5-2-3-2-4-2-6-2-6-2-6-2-6-2-6-2-6-2-7-2-7-2-7-2-6-2-7-2-6-2-5-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 862.7s, OverallIterations: 8, TraceHistogramMax: 50, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2642 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2457 mSDsluCounter, 4665 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3178 mSDsCounter, 677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2836 IncrementalHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 677 mSolverCounterUnsat, 1487 mSDtfsCounter, 2836 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3727 GetRequests, 3653 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1405occurred in iteration=6, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 1523 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2464 NumberOfCodeBlocks, 2464 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3688 ConstructedInterpolants, 0 QuantifiedInterpolants, 9661 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4750 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 58050/58800 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