/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_fillercodestructure_filler-pe-cn_file-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 20:10:24,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 20:10:24,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 20:10:24,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 20:10:24,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 20:10:24,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 20:10:24,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 20:10:24,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 20:10:24,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 20:10:24,360 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 20:10:24,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 20:10:24,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 20:10:24,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 20:10:24,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 20:10:24,361 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 20:10:24,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 20:10:24,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 20:10:24,362 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 20:10:24,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 20:10:24,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 20:10:24,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 20:10:24,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 20:10:24,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 20:10:24,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 20:10:24,363 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 20:10:24,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 20:10:24,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 20:10:24,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 20:10:24,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 20:10:24,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 20:10:24,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 20:10:24,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 20:10:24,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:10:24,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 20:10:24,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 20:10:24,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 20:10:24,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 20:10:24,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 20:10:24,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 20:10:24,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 20:10:24,366 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 20:10:24,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 20:10:24,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 20:10:24,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 20:10:24,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 20:10:24,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 20:10:24,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 20:10:24,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 20:10:24,566 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 20:10:24,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2023-12-15 20:10:25,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 20:10:25,730 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 20:10:25,731 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2023-12-15 20:10:25,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a5b75ad/ac8248c103bc4a0ab1d281025fba4e16/FLAG2c94e738c [2023-12-15 20:10:25,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a5b75ad/ac8248c103bc4a0ab1d281025fba4e16 [2023-12-15 20:10:25,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 20:10:25,751 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 20:10:25,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 20:10:25,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 20:10:25,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 20:10:25,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:10:25" (1/1) ... [2023-12-15 20:10:25,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650f2b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:25, skipping insertion in model container [2023-12-15 20:10:25,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:10:25" (1/1) ... [2023-12-15 20:10:25,791 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 20:10:25,897 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-pe-cn_file-10.i[919,932] [2023-12-15 20:10:25,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:10:25,972 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 20:10:25,980 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-pe-cn_file-10.i[919,932] [2023-12-15 20:10:26,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:10:26,021 INFO L206 MainTranslator]: Completed translation [2023-12-15 20:10:26,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26 WrapperNode [2023-12-15 20:10:26,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 20:10:26,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 20:10:26,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 20:10:26,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 20:10:26,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,093 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2023-12-15 20:10:26,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 20:10:26,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 20:10:26,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 20:10:26,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 20:10:26,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,121 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-15 20:10:26,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 20:10:26,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 20:10:26,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 20:10:26,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 20:10:26,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (1/1) ... [2023-12-15 20:10:26,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:10:26,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:10:26,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 20:10:26,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 20:10:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 20:10:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 20:10:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 20:10:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 20:10:26,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 20:10:26,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 20:10:26,299 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 20:10:26,302 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 20:10:26,687 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 20:10:26,718 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 20:10:26,718 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 20:10:26,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:10:26 BoogieIcfgContainer [2023-12-15 20:10:26,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 20:10:26,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 20:10:26,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 20:10:26,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 20:10:26,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:10:25" (1/3) ... [2023-12-15 20:10:26,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a0e9bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:10:26, skipping insertion in model container [2023-12-15 20:10:26,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:10:26" (2/3) ... [2023-12-15 20:10:26,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a0e9bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:10:26, skipping insertion in model container [2023-12-15 20:10:26,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:10:26" (3/3) ... [2023-12-15 20:10:26,724 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2023-12-15 20:10:26,736 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 20:10:26,736 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 20:10:26,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 20:10:26,786 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;@67944cd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 20:10:26,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 20:10:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 82 states have (on average 1.4878048780487805) internal successors, (122), 83 states have internal predecessors, (122), 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) [2023-12-15 20:10:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-12-15 20:10:26,817 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:10:26,818 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, 1, 1] [2023-12-15 20:10:26,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:10:26,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:10:26,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1277588958, now seen corresponding path program 1 times [2023-12-15 20:10:26,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:10:26,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115533073] [2023-12-15 20:10:26,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:26,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:10:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:10:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:10:27,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115533073] [2023-12-15 20:10:27,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 20:10:27,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948623851] [2023-12-15 20:10:27,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:10:27,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:10:27,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 20:10:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:10:27,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 20:10:27,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:10:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 4418 trivial. 0 not checked. [2023-12-15 20:10:27,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:10:27,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948623851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:10:27,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:10:27,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 20:10:27,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082843006] [2023-12-15 20:10:27,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:10:27,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 20:10:27,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:10:27,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 20:10:27,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:10:27,373 INFO L87 Difference]: Start difference. First operand has 133 states, 82 states have (on average 1.4878048780487805) internal successors, (122), 83 states have internal predecessors, (122), 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 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-15 20:10:27,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:10:27,418 INFO L93 Difference]: Finished difference Result 263 states and 482 transitions. [2023-12-15 20:10:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 20:10:27,421 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2023-12-15 20:10:27,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:10:27,428 INFO L225 Difference]: With dead ends: 263 [2023-12-15 20:10:27,428 INFO L226 Difference]: Without dead ends: 131 [2023-12-15 20:10:27,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:10:27,437 INFO L413 NwaCegarLoop]: 210 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, 210 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:10:27,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:10:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-12-15 20:10:27,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-12-15 20:10:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 81 states have (on average 1.4444444444444444) internal successors, (117), 81 states have internal predecessors, (117), 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) [2023-12-15 20:10:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 213 transitions. [2023-12-15 20:10:27,485 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 213 transitions. Word has length 291 [2023-12-15 20:10:27,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:10:27,486 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 213 transitions. [2023-12-15 20:10:27,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-15 20:10:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 213 transitions. [2023-12-15 20:10:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-12-15 20:10:27,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:10:27,492 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, 1, 1] [2023-12-15 20:10:27,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 20:10:27,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 20:10:27,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:10:27,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:10:27,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1785944294, now seen corresponding path program 1 times [2023-12-15 20:10:27,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:10:27,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051130480] [2023-12-15 20:10:27,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:27,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:10:27,789 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:10:27,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27646692] [2023-12-15 20:10:27,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:27,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:27,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:10:27,791 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:10:27,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 20:10:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:10:27,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 20:10:27,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:10:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2023-12-15 20:10:28,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:10:28,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:10:28,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051130480] [2023-12-15 20:10:28,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:10:28,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27646692] [2023-12-15 20:10:28,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27646692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:10:28,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:10:28,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:10:28,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717748592] [2023-12-15 20:10:28,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:10:28,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 20:10:28,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:10:28,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 20:10:28,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:10:28,282 INFO L87 Difference]: Start difference. First operand 131 states and 213 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2023-12-15 20:10:28,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:10:28,463 INFO L93 Difference]: Finished difference Result 392 states and 638 transitions. [2023-12-15 20:10:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 20:10:28,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 291 [2023-12-15 20:10:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:10:28,470 INFO L225 Difference]: With dead ends: 392 [2023-12-15 20:10:28,470 INFO L226 Difference]: Without dead ends: 262 [2023-12-15 20:10:28,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-15 20:10:28,473 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 188 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:10:28,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 823 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:10:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-12-15 20:10:28,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 211. [2023-12-15 20:10:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 112 states have (on average 1.3214285714285714) internal successors, (148), 112 states have internal predecessors, (148), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-15 20:10:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 340 transitions. [2023-12-15 20:10:28,518 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 340 transitions. Word has length 291 [2023-12-15 20:10:28,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:10:28,520 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 340 transitions. [2023-12-15 20:10:28,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2023-12-15 20:10:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 340 transitions. [2023-12-15 20:10:28,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-15 20:10:28,523 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:10:28,524 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, 1, 1, 1] [2023-12-15 20:10:28,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-15 20:10:28,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 20:10:28,729 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:10:28,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:10:28,730 INFO L85 PathProgramCache]: Analyzing trace with hash 784093468, now seen corresponding path program 1 times [2023-12-15 20:10:28,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:10:28,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620370942] [2023-12-15 20:10:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:28,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:10:28,777 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:10:28,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77120288] [2023-12-15 20:10:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:28,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:28,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:10:28,780 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:10:28,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 20:10:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:10:28,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-15 20:10:28,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:10:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2023-12-15 20:10:33,005 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:10:33,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:10:33,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620370942] [2023-12-15 20:10:33,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:10:33,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77120288] [2023-12-15 20:10:33,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77120288] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:10:33,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:10:33,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 20:10:33,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209875911] [2023-12-15 20:10:33,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:10:33,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 20:10:33,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:10:33,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 20:10:33,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-12-15 20:10:33,011 INFO L87 Difference]: Start difference. First operand 211 states and 340 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 12 states have internal predecessors, (55), 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) [2023-12-15 20:10:34,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:10:34,268 INFO L93 Difference]: Finished difference Result 764 states and 1247 transitions. [2023-12-15 20:10:34,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-15 20:10:34,269 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 12 states have internal predecessors, (55), 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 292 [2023-12-15 20:10:34,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:10:34,275 INFO L225 Difference]: With dead ends: 764 [2023-12-15 20:10:34,275 INFO L226 Difference]: Without dead ends: 634 [2023-12-15 20:10:34,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=316, Invalid=1016, Unknown=0, NotChecked=0, Total=1332 [2023-12-15 20:10:34,278 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1174 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 1573 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 20:10:34,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 1573 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 20:10:34,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2023-12-15 20:10:34,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 379. [2023-12-15 20:10:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 230 states have (on average 1.4217391304347826) internal successors, (327), 231 states have internal predecessors, (327), 144 states have call successors, (144), 4 states have call predecessors, (144), 4 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2023-12-15 20:10:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 615 transitions. [2023-12-15 20:10:34,328 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 615 transitions. Word has length 292 [2023-12-15 20:10:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:10:34,329 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 615 transitions. [2023-12-15 20:10:34,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 12 states have internal predecessors, (55), 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) [2023-12-15 20:10:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 615 transitions. [2023-12-15 20:10:34,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-15 20:10:34,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:10:34,332 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, 1, 1, 1] [2023-12-15 20:10:34,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 20:10:34,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:34,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:10:34,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:10:34,537 INFO L85 PathProgramCache]: Analyzing trace with hash -227023782, now seen corresponding path program 1 times [2023-12-15 20:10:34,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:10:34,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731357440] [2023-12-15 20:10:34,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:34,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:10:34,565 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:10:34,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406099817] [2023-12-15 20:10:34,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:34,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:34,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:10:34,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:10:34,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 20:10:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:10:34,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 20:10:34,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:10:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 1311 proven. 117 refuted. 0 times theorem prover too weak. 3084 trivial. 0 not checked. [2023-12-15 20:10:34,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:10:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 24 proven. 117 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-15 20:10:35,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:10:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731357440] [2023-12-15 20:10:35,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:10:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406099817] [2023-12-15 20:10:35,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406099817] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:10:35,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:10:35,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-15 20:10:35,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753643249] [2023-12-15 20:10:35,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:10:35,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 20:10:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:10:35,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 20:10:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 20:10:35,141 INFO L87 Difference]: Start difference. First operand 379 states and 615 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2023-12-15 20:10:35,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:10:35,347 INFO L93 Difference]: Finished difference Result 697 states and 1119 transitions. [2023-12-15 20:10:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 20:10:35,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 292 [2023-12-15 20:10:35,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:10:35,351 INFO L225 Difference]: With dead ends: 697 [2023-12-15 20:10:35,351 INFO L226 Difference]: Without dead ends: 396 [2023-12-15 20:10:35,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 576 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-15 20:10:35,354 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 171 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 20:10:35,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 368 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 20:10:35,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-15 20:10:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 390. [2023-12-15 20:10:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 238 states have (on average 1.3949579831932772) internal successors, (332), 239 states have internal predecessors, (332), 144 states have call successors, (144), 7 states have call predecessors, (144), 7 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2023-12-15 20:10:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 620 transitions. [2023-12-15 20:10:35,381 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 620 transitions. Word has length 292 [2023-12-15 20:10:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:10:35,384 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 620 transitions. [2023-12-15 20:10:35,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2023-12-15 20:10:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 620 transitions. [2023-12-15 20:10:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-15 20:10:35,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:10:35,386 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, 1, 1, 1] [2023-12-15 20:10:35,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 20:10:35,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:35,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:10:35,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:10:35,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1358082588, now seen corresponding path program 1 times [2023-12-15 20:10:35,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:10:35,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988780857] [2023-12-15 20:10:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:35,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:10:35,621 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:10:35,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271841460] [2023-12-15 20:10:35,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:35,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:35,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:10:35,623 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:10:35,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 20:10:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:10:35,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-15 20:10:35,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:10:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2131 proven. 303 refuted. 0 times theorem prover too weak. 2078 trivial. 0 not checked. [2023-12-15 20:10:36,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:10:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 102 proven. 312 refuted. 0 times theorem prover too weak. 4098 trivial. 0 not checked. [2023-12-15 20:10:37,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:10:37,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988780857] [2023-12-15 20:10:37,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:10:37,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271841460] [2023-12-15 20:10:37,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271841460] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:10:37,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:10:37,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2023-12-15 20:10:37,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170067014] [2023-12-15 20:10:37,389 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:10:37,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-15 20:10:37,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:10:37,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-15 20:10:37,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2023-12-15 20:10:37,391 INFO L87 Difference]: Start difference. First operand 390 states and 620 transitions. Second operand has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 7 states have call successors, (85), 4 states have call predecessors, (85), 9 states have return successors, (86), 7 states have call predecessors, (86), 7 states have call successors, (86) [2023-12-15 20:10:39,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:10:39,498 INFO L93 Difference]: Finished difference Result 1099 states and 1719 transitions. [2023-12-15 20:10:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-15 20:10:39,499 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 7 states have call successors, (85), 4 states have call predecessors, (85), 9 states have return successors, (86), 7 states have call predecessors, (86), 7 states have call successors, (86) Word has length 292 [2023-12-15 20:10:39,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:10:39,502 INFO L225 Difference]: With dead ends: 1099 [2023-12-15 20:10:39,502 INFO L226 Difference]: Without dead ends: 792 [2023-12-15 20:10:39,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1205 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1343, Invalid=4059, Unknown=0, NotChecked=0, Total=5402 [2023-12-15 20:10:39,504 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 1982 mSDsluCounter, 2021 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:10:39,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1995 Valid, 2259 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 20:10:39,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-12-15 20:10:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 593. [2023-12-15 20:10:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 415 states have (on average 1.4240963855421687) internal successors, (591), 419 states have internal predecessors, (591), 154 states have call successors, (154), 23 states have call predecessors, (154), 23 states have return successors, (154), 150 states have call predecessors, (154), 154 states have call successors, (154) [2023-12-15 20:10:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 899 transitions. [2023-12-15 20:10:39,537 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 899 transitions. Word has length 292 [2023-12-15 20:10:39,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:10:39,537 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 899 transitions. [2023-12-15 20:10:39,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 7 states have call successors, (85), 4 states have call predecessors, (85), 9 states have return successors, (86), 7 states have call predecessors, (86), 7 states have call successors, (86) [2023-12-15 20:10:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 899 transitions. [2023-12-15 20:10:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2023-12-15 20:10:39,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:10:39,540 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, 1, 1, 1] [2023-12-15 20:10:39,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 20:10:39,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:39,746 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:10:39,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:10:39,746 INFO L85 PathProgramCache]: Analyzing trace with hash -804254434, now seen corresponding path program 1 times [2023-12-15 20:10:39,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:10:39,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152372707] [2023-12-15 20:10:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:39,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:10:39,766 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:10:39,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2128627262] [2023-12-15 20:10:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:10:39,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:10:39,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:10:39,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:10:39,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 20:10:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:10:39,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-15 20:10:39,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:10:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 1879 proven. 678 refuted. 0 times theorem prover too weak. 1955 trivial. 0 not checked. [2023-12-15 20:10:46,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-15 20:11:33,002 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 20:11:33,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 20:11:34,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 20:11:34,204 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-15 20:11:34,224 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 20:11:34,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 20:11:34,225 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 293 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-12-15 20:11:34,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-15 20:11:34,228 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-15 20:11:34,229 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 20:11:34,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:11:34 BoogieIcfgContainer [2023-12-15 20:11:34,232 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 20:11:34,232 INFO L158 Benchmark]: Toolchain (without parser) took 68480.97ms. Allocated memory was 295.7MB in the beginning and 842.0MB in the end (delta: 546.3MB). Free memory was 255.5MB in the beginning and 582.2MB in the end (delta: -326.6MB). Peak memory consumption was 221.0MB. Max. memory is 8.0GB. [2023-12-15 20:11:34,233 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 220.2MB. Free memory is still 171.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 20:11:34,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.85ms. Allocated memory is still 295.7MB. Free memory was 255.2MB in the beginning and 238.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 20:11:34,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.96ms. Allocated memory is still 295.7MB. Free memory was 238.0MB in the beginning and 232.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-15 20:11:34,233 INFO L158 Benchmark]: Boogie Preprocessor took 52.90ms. Allocated memory is still 295.7MB. Free memory was 232.2MB in the beginning and 223.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-15 20:11:34,233 INFO L158 Benchmark]: RCFGBuilder took 571.32ms. Allocated memory is still 295.7MB. Free memory was 223.8MB in the beginning and 238.7MB in the end (delta: -14.9MB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. [2023-12-15 20:11:34,234 INFO L158 Benchmark]: TraceAbstraction took 67511.77ms. Allocated memory was 295.7MB in the beginning and 842.0MB in the end (delta: 546.3MB). Free memory was 238.1MB in the beginning and 582.2MB in the end (delta: -344.0MB). Peak memory consumption was 202.8MB. Max. memory is 8.0GB. [2023-12-15 20:11:34,235 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 220.2MB. Free memory is still 171.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 269.85ms. Allocated memory is still 295.7MB. Free memory was 255.2MB in the beginning and 238.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.96ms. Allocated memory is still 295.7MB. Free memory was 238.0MB in the beginning and 232.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.90ms. Allocated memory is still 295.7MB. Free memory was 232.2MB in the beginning and 223.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 571.32ms. Allocated memory is still 295.7MB. Free memory was 223.8MB in the beginning and 238.7MB in the end (delta: -14.9MB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. * TraceAbstraction took 67511.77ms. Allocated memory was 295.7MB in the beginning and 842.0MB in the end (delta: 546.3MB). Free memory was 238.1MB in the beginning and 582.2MB in the end (delta: -344.0MB). Peak memory consumption was 202.8MB. 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 293 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.5s, OverallIterations: 6, TraceHistogramMax: 48, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3536 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3515 mSDsluCounter, 5233 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4168 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2891 IncrementalHoareTripleChecker+Invalid, 3345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 1065 mSDtfsCounter, 2891 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2111 GetRequests, 1988 SyntacticMatches, 1 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1528 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=593occurred in iteration=5, InterpolantAutomatonStates: 102, 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, 5 MinimizatonAttempts, 511 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1749 NumberOfCodeBlocks, 1749 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 2035 ConstructedInterpolants, 0 QuantifiedInterpolants, 9183 SizeOfPredicates, 38 NumberOfNonLiveVariables, 3160 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 30735/31584 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