/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 03:28:44,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 03:28:44,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 03:28:44,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 03:28:44,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 03:28:45,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 03:28:45,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 03:28:45,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 03:28:45,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 03:28:45,003 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 03:28:45,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 03:28:45,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 03:28:45,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 03:28:45,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 03:28:45,005 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 03:28:45,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 03:28:45,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 03:28:45,005 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 03:28:45,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 03:28:45,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 03:28:45,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 03:28:45,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 03:28:45,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 03:28:45,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 03:28:45,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 03:28:45,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 03:28:45,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 03:28:45,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 03:28:45,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 03:28:45,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 03:28:45,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 03:28:45,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 03:28:45,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:28:45,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 03:28:45,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 03:28:45,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 03:28:45,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 03:28:45,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 03:28:45,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 03:28:45,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 03:28:45,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 03:28:45,168 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 03:28:45,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2023-12-16 03:28:46,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 03:28:46,675 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 03:28:46,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2023-12-16 03:28:46,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e57494fe/d6ef044866674ecf9d26124e73b8dd96/FLAG160572c7b [2023-12-16 03:28:46,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e57494fe/d6ef044866674ecf9d26124e73b8dd96 [2023-12-16 03:28:46,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 03:28:46,708 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 03:28:46,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 03:28:46,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 03:28:46,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 03:28:46,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:46,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a79e856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46, skipping insertion in model container [2023-12-16 03:28:46,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:46,750 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 03:28:46,873 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_fillercodestructure_filler-ps-co_file-81.i[919,932] [2023-12-16 03:28:46,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:28:46,934 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 03:28:46,942 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_fillercodestructure_filler-ps-co_file-81.i[919,932] [2023-12-16 03:28:46,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:28:46,987 INFO L206 MainTranslator]: Completed translation [2023-12-16 03:28:46,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46 WrapperNode [2023-12-16 03:28:46,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 03:28:46,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 03:28:46,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 03:28:46,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 03:28:47,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,052 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 275 [2023-12-16 03:28:47,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 03:28:47,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 03:28:47,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 03:28:47,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 03:28:47,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,094 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 03:28:47,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 03:28:47,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 03:28:47,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 03:28:47,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 03:28:47,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (1/1) ... [2023-12-16 03:28:47,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:28:47,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:28:47,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 03:28:47,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 03:28:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 03:28:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 03:28:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 03:28:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 03:28:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 03:28:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 03:28:47,362 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 03:28:47,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 03:28:47,703 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 03:28:47,729 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 03:28:47,729 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 03:28:47,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:28:47 BoogieIcfgContainer [2023-12-16 03:28:47,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 03:28:47,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 03:28:47,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 03:28:47,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 03:28:47,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:28:46" (1/3) ... [2023-12-16 03:28:47,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267234f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:28:47, skipping insertion in model container [2023-12-16 03:28:47,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:46" (2/3) ... [2023-12-16 03:28:47,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@267234f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:28:47, skipping insertion in model container [2023-12-16 03:28:47,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:28:47" (3/3) ... [2023-12-16 03:28:47,736 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2023-12-16 03:28:47,748 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 03:28:47,748 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 03:28:47,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 03:28:47,787 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;@546350ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 03:28:47,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 03:28:47,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-16 03:28:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:28:47,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:28:47,817 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:28:47,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:28:47,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:28:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash 723340991, now seen corresponding path program 1 times [2023-12-16 03:28:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:28:47,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052593854] [2023-12-16 03:28:47,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:28:47,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:28:48,029 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:28:48,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449957246] [2023-12-16 03:28:48,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:28:48,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:28:48,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:28:48,048 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) [2023-12-16 03:28:48,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 03:28:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:28:48,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 03:28:48,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:28:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2023-12-16 03:28:48,449 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:28:48,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:28:48,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052593854] [2023-12-16 03:28:48,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:28:48,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449957246] [2023-12-16 03:28:48,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449957246] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:28:48,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:28:48,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 03:28:48,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850315815] [2023-12-16 03:28:48,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:28:48,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 03:28:48,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:28:48,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 03:28:48,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 03:28:48,483 INFO L87 Difference]: Start difference. First operand has 112 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-16 03:28:48,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:28:48,617 INFO L93 Difference]: Finished difference Result 247 states and 454 transitions. [2023-12-16 03:28:48,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 03:28:48,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 289 [2023-12-16 03:28:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:28:48,631 INFO L225 Difference]: With dead ends: 247 [2023-12-16 03:28:48,631 INFO L226 Difference]: Without dead ends: 136 [2023-12-16 03:28:48,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 03:28:48,640 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 59 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:28:48,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 496 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:28:48,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-16 03:28:48,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2023-12-16 03:28:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 79 states have internal predecessors, (105), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 03:28:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 209 transitions. [2023-12-16 03:28:48,702 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 209 transitions. Word has length 289 [2023-12-16 03:28:48,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:28:48,704 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 209 transitions. [2023-12-16 03:28:48,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-16 03:28:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 209 transitions. [2023-12-16 03:28:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:28:48,744 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:28:48,746 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:28:48,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 03:28:48,947 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 [2023-12-16 03:28:48,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:28:48,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:28:48,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1532687617, now seen corresponding path program 1 times [2023-12-16 03:28:48,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:28:48,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115107930] [2023-12-16 03:28:48,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:28:48,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:28:49,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:28:49,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713288948] [2023-12-16 03:28:49,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:28:49,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:28:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:28:49,048 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) [2023-12-16 03:28:49,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 03:28:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:28:49,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 03:28:49,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:29:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2023-12-16 03:29:51,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:29:51,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:29:51,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115107930] [2023-12-16 03:29:51,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:29:51,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713288948] [2023-12-16 03:29:51,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713288948] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:29:51,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:29:51,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 03:29:51,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170849654] [2023-12-16 03:29:51,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:29:51,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:29:51,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:29:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:29:51,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:29:51,024 INFO L87 Difference]: Start difference. First operand 133 states and 209 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-16 03:29:51,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:29:51,905 INFO L93 Difference]: Finished difference Result 177 states and 260 transitions. [2023-12-16 03:29:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 03:29:51,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 289 [2023-12-16 03:29:51,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:29:51,910 INFO L225 Difference]: With dead ends: 177 [2023-12-16 03:29:51,910 INFO L226 Difference]: Without dead ends: 175 [2023-12-16 03:29:51,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-16 03:29:51,920 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 98 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 03:29:51,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 710 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 03:29:51,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-16 03:29:51,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 137. [2023-12-16 03:29:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 82 states have (on average 1.3414634146341464) internal successors, (110), 83 states have internal predecessors, (110), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 03:29:51,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 214 transitions. [2023-12-16 03:29:51,959 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 214 transitions. Word has length 289 [2023-12-16 03:29:51,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:29:51,960 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 214 transitions. [2023-12-16 03:29:51,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-16 03:29:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 214 transitions. [2023-12-16 03:29:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:29:51,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:29:51,962 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:29:51,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 03:29:52,170 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 [2023-12-16 03:29:52,171 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:29:52,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:29:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1532747199, now seen corresponding path program 1 times [2023-12-16 03:29:52,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:29:52,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734067504] [2023-12-16 03:29:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:29:52,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:29:52,379 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:29:52,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907064924] [2023-12-16 03:29:52,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:29:52,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:29:52,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:29:52,381 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) [2023-12-16 03:29:52,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 03:29:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:29:52,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 03:29:52,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:29:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 47 proven. 141 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-12-16 03:29:53,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:29:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-16 03:29:53,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:29:53,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734067504] [2023-12-16 03:29:53,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:29:53,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907064924] [2023-12-16 03:29:53,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907064924] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:29:53,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:29:53,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-12-16 03:29:53,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004501503] [2023-12-16 03:29:53,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:29:53,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 03:29:53,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:29:53,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 03:29:53,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-12-16 03:29:53,992 INFO L87 Difference]: Start difference. First operand 137 states and 214 transitions. Second operand has 16 states, 15 states have (on average 6.6) internal successors, (99), 16 states have internal predecessors, (99), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) [2023-12-16 03:29:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:29:55,868 INFO L93 Difference]: Finished difference Result 552 states and 847 transitions. [2023-12-16 03:29:55,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-16 03:29:55,869 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.6) internal successors, (99), 16 states have internal predecessors, (99), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) Word has length 289 [2023-12-16 03:29:55,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:29:55,875 INFO L225 Difference]: With dead ends: 552 [2023-12-16 03:29:55,875 INFO L226 Difference]: Without dead ends: 416 [2023-12-16 03:29:55,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=317, Invalid=873, Unknown=0, NotChecked=0, Total=1190 [2023-12-16 03:29:55,876 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 783 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 782 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 782 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 03:29:55,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 640 Invalid, 1702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [782 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 03:29:55,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-12-16 03:29:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 145. [2023-12-16 03:29:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 89 states have internal predecessors, (114), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 03:29:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 218 transitions. [2023-12-16 03:29:55,939 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 218 transitions. Word has length 289 [2023-12-16 03:29:55,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:29:55,940 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 218 transitions. [2023-12-16 03:29:55,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.6) internal successors, (99), 16 states have internal predecessors, (99), 4 states have call successors, (96), 3 states have call predecessors, (96), 4 states have return successors, (96), 2 states have call predecessors, (96), 4 states have call successors, (96) [2023-12-16 03:29:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 218 transitions. [2023-12-16 03:29:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 03:29:55,944 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:29:55,944 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:29:55,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 03:29:56,150 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 [2023-12-16 03:29:56,151 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:29:56,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:29:56,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1790912637, now seen corresponding path program 1 times [2023-12-16 03:29:56,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:29:56,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450533889] [2023-12-16 03:29:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:29:56,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:29:56,211 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:29:56,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878245186] [2023-12-16 03:29:56,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:29:56,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:29:56,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:29:56,229 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) [2023-12-16 03:29:56,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 03:29:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:29:56,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-16 03:29:56,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:30:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 96 proven. 276 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2023-12-16 03:30:01,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-16 03:30:04,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 03:30:04,630 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 03:30:04,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 03:30:04,665 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 03:30:04,852 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 [2023-12-16 03:30:04,853 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 290 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-16-3-2-4-2-3-1 context. [2023-12-16 03:30:04,858 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 03:30:04,861 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 03:30:04,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:30:04 BoogieIcfgContainer [2023-12-16 03:30:04,869 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 03:30:04,870 INFO L158 Benchmark]: Toolchain (without parser) took 78160.73ms. Allocated memory was 328.2MB in the beginning and 1.3GB in the end (delta: 943.7MB). Free memory was 275.9MB in the beginning and 887.0MB in the end (delta: -611.1MB). Peak memory consumption was 753.6MB. Max. memory is 8.0GB. [2023-12-16 03:30:04,870 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory was 124.9MB in the beginning and 124.8MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 03:30:04,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.29ms. Allocated memory is still 328.2MB. Free memory was 275.9MB in the beginning and 258.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 03:30:04,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.53ms. Allocated memory is still 328.2MB. Free memory was 258.6MB in the beginning and 253.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 03:30:04,871 INFO L158 Benchmark]: Boogie Preprocessor took 115.98ms. Allocated memory is still 328.2MB. Free memory was 253.4MB in the beginning and 246.6MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 03:30:04,871 INFO L158 Benchmark]: RCFGBuilder took 559.53ms. Allocated memory is still 328.2MB. Free memory was 246.6MB in the beginning and 212.5MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-16 03:30:04,873 INFO L158 Benchmark]: TraceAbstraction took 77137.81ms. Allocated memory was 328.2MB in the beginning and 1.3GB in the end (delta: 943.7MB). Free memory was 212.0MB in the beginning and 887.0MB in the end (delta: -675.1MB). Peak memory consumption was 689.6MB. Max. memory is 8.0GB. [2023-12-16 03:30:04,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory was 124.9MB in the beginning and 124.8MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.29ms. Allocated memory is still 328.2MB. Free memory was 275.9MB in the beginning and 258.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.53ms. Allocated memory is still 328.2MB. Free memory was 258.6MB in the beginning and 253.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 115.98ms. Allocated memory is still 328.2MB. Free memory was 253.4MB in the beginning and 246.6MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 559.53ms. Allocated memory is still 328.2MB. Free memory was 246.6MB in the beginning and 212.5MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 77137.81ms. Allocated memory was 328.2MB in the beginning and 1.3GB in the end (delta: 943.7MB). Free memory was 212.0MB in the beginning and 887.0MB in the end (delta: -675.1MB). Peak memory consumption was 689.6MB. 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 290 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-16-3-2-4-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.1s, OverallIterations: 4, TraceHistogramMax: 48, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 940 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 940 mSDsluCounter, 1846 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1240 mSDsCounter, 802 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1049 IncrementalHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 802 mSolverCounterUnsat, 606 mSDtfsCounter, 1049 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1180 GetRequests, 1137 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=3, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 312 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 63.4s InterpolantComputationTime, 867 NumberOfCodeBlocks, 867 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1152 ConstructedInterpolants, 0 QuantifiedInterpolants, 6199 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1955 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 17766/18048 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