/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_operatoramount_amount250_file-97.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 04:03:10,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 04:03:10,122 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 04:03:10,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 04:03:10,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 04:03:10,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 04:03:10,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 04:03:10,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 04:03:10,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 04:03:10,153 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 04:03:10,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 04:03:10,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 04:03:10,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 04:03:10,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 04:03:10,156 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 04:03:10,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 04:03:10,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 04:03:10,156 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 04:03:10,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 04:03:10,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 04:03:10,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 04:03:10,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 04:03:10,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 04:03:10,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 04:03:10,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 04:03:10,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 04:03:10,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 04:03:10,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 04:03:10,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 04:03:10,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 04:03:10,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 04:03:10,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 04:03:10,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:03:10,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 04:03:10,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 04:03:10,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 04:03:10,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 04:03:10,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 04:03:10,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 04:03:10,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 04:03:10,161 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 04:03:10,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 04:03:10,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 04:03:10,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 04:03:10,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 04:03:10,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 04:03:10,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 04:03:10,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 04:03:10,347 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 04:03:10,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-97.i [2023-12-16 04:03:11,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 04:03:11,640 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 04:03:11,640 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-97.i [2023-12-16 04:03:11,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caa32304b/8e1a3875201f4cae8d14bf5d19737e55/FLAG2380360e5 [2023-12-16 04:03:11,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caa32304b/8e1a3875201f4cae8d14bf5d19737e55 [2023-12-16 04:03:11,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 04:03:11,663 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 04:03:11,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 04:03:11,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 04:03:11,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 04:03:11,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:03:11" (1/1) ... [2023-12-16 04:03:11,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cca78f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:11, skipping insertion in model container [2023-12-16 04:03:11,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:03:11" (1/1) ... [2023-12-16 04:03:11,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 04:03:11,824 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_operatoramount_amount250_file-97.i[916,929] [2023-12-16 04:03:11,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:03:11,938 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 04:03:11,948 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_operatoramount_amount250_file-97.i[916,929] [2023-12-16 04:03:12,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:03:12,066 INFO L206 MainTranslator]: Completed translation [2023-12-16 04:03:12,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12 WrapperNode [2023-12-16 04:03:12,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 04:03:12,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 04:03:12,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 04:03:12,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 04:03:12,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,145 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 405 [2023-12-16 04:03:12,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 04:03:12,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 04:03:12,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 04:03:12,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 04:03:12,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,224 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 04:03:12,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 04:03:12,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 04:03:12,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 04:03:12,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 04:03:12,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (1/1) ... [2023-12-16 04:03:12,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:03:12,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:03:12,322 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 04:03:12,348 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 04:03:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 04:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 04:03:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 04:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 04:03:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 04:03:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 04:03:12,436 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 04:03:12,438 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 04:03:12,951 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 04:03:12,989 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 04:03:12,989 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 04:03:12,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:03:12 BoogieIcfgContainer [2023-12-16 04:03:12,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 04:03:12,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 04:03:12,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 04:03:12,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 04:03:12,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:03:11" (1/3) ... [2023-12-16 04:03:12,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d43db85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:03:12, skipping insertion in model container [2023-12-16 04:03:12,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:03:12" (2/3) ... [2023-12-16 04:03:12,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d43db85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:03:12, skipping insertion in model container [2023-12-16 04:03:12,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:03:12" (3/3) ... [2023-12-16 04:03:12,997 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-97.i [2023-12-16 04:03:13,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 04:03:13,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 04:03:13,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 04:03:13,043 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;@73b2da7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 04:03:13,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 04:03:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 100 states have (on average 1.56) internal successors, (156), 101 states have internal predecessors, (156), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-16 04:03:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-12-16 04:03:13,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:03:13,060 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:13,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:03:13,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:03:13,064 INFO L85 PathProgramCache]: Analyzing trace with hash 98411010, now seen corresponding path program 1 times [2023-12-16 04:03:13,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:03:13,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438703437] [2023-12-16 04:03:13,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:13,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:03:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:03:13,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:03:13,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438703437] [2023-12-16 04:03:13,362 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 04:03:13,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648768187] [2023-12-16 04:03:13,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:13,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:03:13,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:03:13,364 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 04:03:13,384 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 04:03:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:03:13,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 04:03:13,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:03:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2023-12-16 04:03:13,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:03:13,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648768187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:03:13,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:03:13,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 04:03:13,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120755016] [2023-12-16 04:03:13,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:03:13,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 04:03:13,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:03:13,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 04:03:13,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:03:13,659 INFO L87 Difference]: Start difference. First operand has 146 states, 100 states have (on average 1.56) internal successors, (156), 101 states have internal predecessors, (156), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-16 04:03:13,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:03:13,713 INFO L93 Difference]: Finished difference Result 289 states and 525 transitions. [2023-12-16 04:03:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 04:03:13,715 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) Word has length 278 [2023-12-16 04:03:13,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:03:13,722 INFO L225 Difference]: With dead ends: 289 [2023-12-16 04:03:13,722 INFO L226 Difference]: Without dead ends: 144 [2023-12-16 04:03:13,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:03:13,727 INFO L413 NwaCegarLoop]: 234 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, 234 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 [2023-12-16 04:03:13,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:03:13,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-16 04:03:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2023-12-16 04:03:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 99 states have (on average 1.5252525252525253) internal successors, (151), 99 states have internal predecessors, (151), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-16 04:03:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 237 transitions. [2023-12-16 04:03:13,780 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 237 transitions. Word has length 278 [2023-12-16 04:03:13,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:03:13,780 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 237 transitions. [2023-12-16 04:03:13,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-16 04:03:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-12-16 04:03:13,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-12-16 04:03:13,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:03:13,784 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:13,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-16 04:03:13,991 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 04:03:13,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:03:13,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:03:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash -222854972, now seen corresponding path program 1 times [2023-12-16 04:03:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:03:13,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211838145] [2023-12-16 04:03:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:03:14,044 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:03:14,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55653869] [2023-12-16 04:03:14,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:14,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:03:14,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:03:14,046 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 04:03:14,073 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 04:03:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:03:14,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 04:03:14,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:03:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-12-16 04:03:14,565 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:03:14,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:03:14,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211838145] [2023-12-16 04:03:14,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:03:14,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55653869] [2023-12-16 04:03:14,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55653869] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:03:14,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:03:14,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:03:14,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311095947] [2023-12-16 04:03:14,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:03:14,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 04:03:14,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:03:14,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 04:03:14,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:03:14,569 INFO L87 Difference]: Start difference. First operand 144 states and 237 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-16 04:03:14,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:03:14,682 INFO L93 Difference]: Finished difference Result 429 states and 707 transitions. [2023-12-16 04:03:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 04:03:14,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 278 [2023-12-16 04:03:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:03:14,691 INFO L225 Difference]: With dead ends: 429 [2023-12-16 04:03:14,691 INFO L226 Difference]: Without dead ends: 286 [2023-12-16 04:03:14,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:03:14,696 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 257 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 04:03:14,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 892 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 04:03:14,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-12-16 04:03:14,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2023-12-16 04:03:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 194 states have (on average 1.5154639175257731) internal successors, (294), 194 states have internal predecessors, (294), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-12-16 04:03:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 466 transitions. [2023-12-16 04:03:14,735 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 466 transitions. Word has length 278 [2023-12-16 04:03:14,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:03:14,735 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 466 transitions. [2023-12-16 04:03:14,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-16 04:03:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 466 transitions. [2023-12-16 04:03:14,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-12-16 04:03:14,738 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:03:14,739 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:14,753 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 04:03:14,950 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 04:03:14,951 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:03:14,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:03:14,952 INFO L85 PathProgramCache]: Analyzing trace with hash -742239114, now seen corresponding path program 1 times [2023-12-16 04:03:14,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:03:14,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785560814] [2023-12-16 04:03:14,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:14,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:03:14,992 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:03:14,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591882734] [2023-12-16 04:03:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:14,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:03:14,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:03:14,994 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 04:03:15,016 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 04:03:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:03:15,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 04:03:15,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:03:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1846 proven. 60 refuted. 0 times theorem prover too weak. 1706 trivial. 0 not checked. [2023-12-16 04:03:15,373 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:03:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 66 proven. 60 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-16 04:03:15,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:03:15,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785560814] [2023-12-16 04:03:15,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:03:15,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591882734] [2023-12-16 04:03:15,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591882734] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:03:15,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:03:15,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 04:03:15,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137877045] [2023-12-16 04:03:15,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:03:15,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 04:03:15,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:03:15,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 04:03:15,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:03:15,561 INFO L87 Difference]: Start difference. First operand 283 states and 466 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2023-12-16 04:03:15,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:03:15,811 INFO L93 Difference]: Finished difference Result 569 states and 925 transitions. [2023-12-16 04:03:15,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 04:03:15,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 278 [2023-12-16 04:03:15,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:03:15,813 INFO L225 Difference]: With dead ends: 569 [2023-12-16 04:03:15,813 INFO L226 Difference]: Without dead ends: 287 [2023-12-16 04:03:15,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 548 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 04:03:15,815 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 277 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:03:15,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 427 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:03:15,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-12-16 04:03:15,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 283. [2023-12-16 04:03:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 192 states have (on average 1.4583333333333333) internal successors, (280), 192 states have internal predecessors, (280), 86 states have call successors, (86), 4 states have call predecessors, (86), 4 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-12-16 04:03:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 452 transitions. [2023-12-16 04:03:15,838 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 452 transitions. Word has length 278 [2023-12-16 04:03:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:03:15,839 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 452 transitions. [2023-12-16 04:03:15,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 2 states have call successors, (63), 2 states have call predecessors, (63), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2023-12-16 04:03:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 452 transitions. [2023-12-16 04:03:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-16 04:03:15,842 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:03:15,842 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:15,851 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 04:03:16,049 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 04:03:16,050 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:03:16,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:03:16,050 INFO L85 PathProgramCache]: Analyzing trace with hash 135809352, now seen corresponding path program 1 times [2023-12-16 04:03:16,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:03:16,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208852520] [2023-12-16 04:03:16,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:16,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:03:16,117 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:03:16,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782133204] [2023-12-16 04:03:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:16,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:03:16,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:03:16,119 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 04:03:16,144 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 04:03:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:03:16,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 04:03:16,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:03:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1342 proven. 96 refuted. 0 times theorem prover too weak. 2174 trivial. 0 not checked. [2023-12-16 04:03:16,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:03:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 30 proven. 96 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-16 04:03:16,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:03:16,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208852520] [2023-12-16 04:03:16,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:03:16,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782133204] [2023-12-16 04:03:16,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782133204] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:03:16,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:03:16,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-16 04:03:16,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41888227] [2023-12-16 04:03:16,732 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:03:16,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 04:03:16,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:03:16,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 04:03:16,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:03:16,733 INFO L87 Difference]: Start difference. First operand 283 states and 452 transitions. Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 3 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2023-12-16 04:03:16,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:03:16,946 INFO L93 Difference]: Finished difference Result 577 states and 913 transitions. [2023-12-16 04:03:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 04:03:16,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 3 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 279 [2023-12-16 04:03:16,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:03:16,948 INFO L225 Difference]: With dead ends: 577 [2023-12-16 04:03:16,949 INFO L226 Difference]: Without dead ends: 295 [2023-12-16 04:03:16,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-16 04:03:16,950 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 297 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:03:16,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 437 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:03:16,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-12-16 04:03:16,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 291. [2023-12-16 04:03:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 198 states have (on average 1.4343434343434343) internal successors, (284), 198 states have internal predecessors, (284), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2023-12-16 04:03:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 456 transitions. [2023-12-16 04:03:16,986 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 456 transitions. Word has length 279 [2023-12-16 04:03:16,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:03:16,987 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 456 transitions. [2023-12-16 04:03:16,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 8 states have internal predecessors, (118), 3 states have call successors, (75), 2 states have call predecessors, (75), 4 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2023-12-16 04:03:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 456 transitions. [2023-12-16 04:03:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-16 04:03:16,990 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:03:16,991 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:16,999 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 04:03:17,197 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 04:03:17,198 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:03:17,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:03:17,199 INFO L85 PathProgramCache]: Analyzing trace with hash -885259002, now seen corresponding path program 1 times [2023-12-16 04:03:17,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:03:17,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109098334] [2023-12-16 04:03:17,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:17,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:03:17,262 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:03:17,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346072853] [2023-12-16 04:03:17,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:17,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:03:17,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:03:17,271 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) [2023-12-16 04:03:17,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 04:03:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:03:17,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-16 04:03:17,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:03:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2285 proven. 87 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2023-12-16 04:03:18,020 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:03:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 273 proven. 96 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2023-12-16 04:03:18,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:03:18,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109098334] [2023-12-16 04:03:18,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:03:18,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346072853] [2023-12-16 04:03:18,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346072853] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:03:18,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:03:18,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 26 [2023-12-16 04:03:18,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677039356] [2023-12-16 04:03:18,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:03:18,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-16 04:03:18,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:03:18,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-16 04:03:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2023-12-16 04:03:18,577 INFO L87 Difference]: Start difference. First operand 291 states and 456 transitions. Second operand has 26 states, 26 states have (on average 5.269230769230769) internal successors, (137), 26 states have internal predecessors, (137), 8 states have call successors, (86), 5 states have call predecessors, (86), 11 states have return successors, (86), 8 states have call predecessors, (86), 8 states have call successors, (86) [2023-12-16 04:03:21,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:03:21,195 INFO L93 Difference]: Finished difference Result 1331 states and 2008 transitions. [2023-12-16 04:03:21,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-16 04:03:21,197 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.269230769230769) internal successors, (137), 26 states have internal predecessors, (137), 8 states have call successors, (86), 5 states have call predecessors, (86), 11 states have return successors, (86), 8 states have call predecessors, (86), 8 states have call successors, (86) Word has length 279 [2023-12-16 04:03:21,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:03:21,206 INFO L225 Difference]: With dead ends: 1331 [2023-12-16 04:03:21,206 INFO L226 Difference]: Without dead ends: 1041 [2023-12-16 04:03:21,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2074 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1701, Invalid=5105, Unknown=0, NotChecked=0, Total=6806 [2023-12-16 04:03:21,210 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 2084 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 1941 mSolverCounterSat, 1182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 3123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1182 IncrementalHoareTripleChecker+Valid, 1941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 04:03:21,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 1462 Invalid, 3123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1182 Valid, 1941 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 04:03:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2023-12-16 04:03:21,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 539. [2023-12-16 04:03:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 370 states have (on average 1.3702702702702703) internal successors, (507), 372 states have internal predecessors, (507), 149 states have call successors, (149), 19 states have call predecessors, (149), 19 states have return successors, (149), 147 states have call predecessors, (149), 149 states have call successors, (149) [2023-12-16 04:03:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 805 transitions. [2023-12-16 04:03:21,290 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 805 transitions. Word has length 279 [2023-12-16 04:03:21,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:03:21,291 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 805 transitions. [2023-12-16 04:03:21,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.269230769230769) internal successors, (137), 26 states have internal predecessors, (137), 8 states have call successors, (86), 5 states have call predecessors, (86), 11 states have return successors, (86), 8 states have call predecessors, (86), 8 states have call successors, (86) [2023-12-16 04:03:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 805 transitions. [2023-12-16 04:03:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-16 04:03:21,294 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:03:21,295 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:21,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 04:03:21,501 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 [2023-12-16 04:03:21,502 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:03:21,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:03:21,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1914618300, now seen corresponding path program 1 times [2023-12-16 04:03:21,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:03:21,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624412195] [2023-12-16 04:03:21,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:21,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:03:21,541 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:03:21,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481215717] [2023-12-16 04:03:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:03:21,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:03:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:03:21,543 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) [2023-12-16 04:03:21,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 04:03:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:03:23,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-16 04:03:23,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:03:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 2087 proven. 333 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2023-12-16 04:03:25,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-16 04:04:26,139 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 04:04:26,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 04:04:26,173 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 04:04:26,173 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 [2023-12-16 04:04:26,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:04:26,349 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 280 with TraceHistMax 43,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-56-4-23-4-3-4-2-3-3-5-2-5-3-5-5-5-3-5-2-3-2-4-2-6-2-6-2-5-2-6-2-6-2-5-2-6-2-6-2-6-2-6-2-6-2-3-2-3-2-2-1 context. [2023-12-16 04:04:26,353 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 04:04:26,355 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 04:04:26,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:04:26 BoogieIcfgContainer [2023-12-16 04:04:26,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 04:04:26,360 INFO L158 Benchmark]: Toolchain (without parser) took 74697.81ms. Allocated memory was 268.4MB in the beginning and 973.1MB in the end (delta: 704.6MB). Free memory was 223.8MB in the beginning and 917.3MB in the end (delta: -693.6MB). Peak memory consumption was 602.1MB. Max. memory is 8.0GB. [2023-12-16 04:04:26,360 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 210.8MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 04:04:26,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.38ms. Allocated memory is still 268.4MB. Free memory was 223.4MB in the beginning and 199.8MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-12-16 04:04:26,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.50ms. Allocated memory is still 268.4MB. Free memory was 199.8MB in the beginning and 191.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-16 04:04:26,362 INFO L158 Benchmark]: Boogie Preprocessor took 132.69ms. Allocated memory is still 268.4MB. Free memory was 191.4MB in the beginning and 226.4MB in the end (delta: -35.0MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. [2023-12-16 04:04:26,362 INFO L158 Benchmark]: RCFGBuilder took 709.99ms. Allocated memory is still 268.4MB. Free memory was 226.4MB in the beginning and 172.4MB in the end (delta: 54.0MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2023-12-16 04:04:26,362 INFO L158 Benchmark]: TraceAbstraction took 73369.05ms. Allocated memory was 268.4MB in the beginning and 973.1MB in the end (delta: 704.6MB). Free memory was 171.4MB in the beginning and 917.3MB in the end (delta: -745.9MB). Peak memory consumption was 549.2MB. Max. memory is 8.0GB. [2023-12-16 04:04:26,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 210.8MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.38ms. Allocated memory is still 268.4MB. Free memory was 223.4MB in the beginning and 199.8MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 78.50ms. Allocated memory is still 268.4MB. Free memory was 199.8MB in the beginning and 191.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 132.69ms. Allocated memory is still 268.4MB. Free memory was 191.4MB in the beginning and 226.4MB in the end (delta: -35.0MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. * RCFGBuilder took 709.99ms. Allocated memory is still 268.4MB. Free memory was 226.4MB in the beginning and 172.4MB in the end (delta: 54.0MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. * TraceAbstraction took 73369.05ms. Allocated memory was 268.4MB in the beginning and 973.1MB in the end (delta: 704.6MB). Free memory was 171.4MB in the beginning and 917.3MB in the end (delta: -745.9MB). Peak memory consumption was 549.2MB. 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 280 with TraceHistMax 43,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-56-4-23-4-3-4-2-3-3-5-2-5-3-5-5-5-3-5-2-3-2-4-2-6-2-6-2-5-2-6-2-6-2-5-2-6-2-6-2-6-2-6-2-6-2-3-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 146 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73.3s, OverallIterations: 6, TraceHistogramMax: 43, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2947 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2915 mSDsluCounter, 3452 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2261 mSDsCounter, 1281 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2489 IncrementalHoareTripleChecker+Invalid, 3770 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1281 mSolverCounterUnsat, 1191 mSDtfsCounter, 2489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2296 GetRequests, 2191 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2085 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=539occurred in iteration=5, InterpolantAutomatonStates: 81, 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, 513 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1670 NumberOfCodeBlocks, 1670 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 2220 ConstructedInterpolants, 0 QuantifiedInterpolants, 6970 SizeOfPredicates, 18 NumberOfNonLiveVariables, 3505 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 28401/28896 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