/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-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:51:13,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:51:13,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 19:51:13,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:51:13,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:51:13,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:51:13,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:51:13,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:51:13,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:51:13,886 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:51:13,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:51:13,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:51:13,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:51:13,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:51:13,888 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:51:13,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:51:13,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:51:13,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:51:13,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:51:13,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:51:13,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:51:13,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:51:13,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:51:13,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:51:13,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:51:13,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:51:13,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:51:13,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:51:13,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:51:13,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:51:13,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:51:13,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:51:13,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:51:13,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:51:14,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:51:14,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:51:14,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:51:14,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:51:14,087 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:51:14,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c [2023-12-16 19:51:15,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:51:15,395 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:51:15,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c [2023-12-16 19:51:15,433 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5aa08b1/d9dcb53774ab4966919a188e80b0e646/FLAGaf9007fa4 [2023-12-16 19:51:15,448 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5aa08b1/d9dcb53774ab4966919a188e80b0e646 [2023-12-16 19:51:15,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:51:15,451 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:51:15,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:51:15,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:51:15,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:51:15,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:51:15" (1/1) ... [2023-12-16 19:51:15,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d056f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:15, skipping insertion in model container [2023-12-16 19:51:15,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:51:15" (1/1) ... [2023-12-16 19:51:15,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:51:15,766 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c[1173,1186] [2023-12-16 19:51:16,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:51:16,568 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:51:16,576 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.rether.6.prop1-func-interl.c[1173,1186] [2023-12-16 19:51:17,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:51:17,102 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:51:17,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17 WrapperNode [2023-12-16 19:51:17,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:51:17,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:51:17,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:51:17,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:51:17,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:17,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:20,220 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41681 [2023-12-16 19:51:20,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:51:20,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:51:20,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:51:20,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:51:20,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:20,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:21,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:21,328 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 19:51:21,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:21,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:22,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:22,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:22,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:22,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:22,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:51:22,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:51:22,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:51:22,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:51:22,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (1/1) ... [2023-12-16 19:51:22,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:51:22,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:51:23,009 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 19:51:23,012 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 19:51:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:51:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:51:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:51:24,335 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:51:24,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:51:38,123 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:51:38,524 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:51:38,525 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:51:38,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:51:38 BoogieIcfgContainer [2023-12-16 19:51:38,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:51:38,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:51:38,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:51:38,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:51:38,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:51:15" (1/3) ... [2023-12-16 19:51:38,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d578c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:51:38, skipping insertion in model container [2023-12-16 19:51:38,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:51:17" (2/3) ... [2023-12-16 19:51:38,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d578c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:51:38, skipping insertion in model container [2023-12-16 19:51:38,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:51:38" (3/3) ... [2023-12-16 19:51:38,695 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.rether.6.prop1-func-interl.c [2023-12-16 19:51:38,707 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:51:38,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:51:38,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:51:38,832 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;@272912ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:51:38,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:51:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 9423 states, 9421 states have (on average 1.6668081944591868) internal successors, (15703), 9422 states have internal predecessors, (15703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-12-16 19:51:38,872 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:51:38,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:38,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:51:38,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:51:38,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1451635391, now seen corresponding path program 1 times [2023-12-16 19:51:38,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:51:38,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060246612] [2023-12-16 19:51:38,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:51:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:51:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:51:40,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:51:40,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060246612] [2023-12-16 19:51:40,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060246612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:51:40,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:51:40,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:51:40,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804202629] [2023-12-16 19:51:40,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:51:40,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:51:40,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:51:40,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:51:40,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:51:40,601 INFO L87 Difference]: Start difference. First operand has 9423 states, 9421 states have (on average 1.6668081944591868) internal successors, (15703), 9422 states have internal predecessors, (15703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:40,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:51:40,934 INFO L93 Difference]: Finished difference Result 18434 states and 30722 transitions. [2023-12-16 19:51:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:51:40,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 468 [2023-12-16 19:51:40,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:51:40,981 INFO L225 Difference]: With dead ends: 18434 [2023-12-16 19:51:40,981 INFO L226 Difference]: Without dead ends: 9423 [2023-12-16 19:51:41,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:51:41,002 INFO L413 NwaCegarLoop]: 15696 mSDtfsCounter, 1 mSDsluCounter, 31387 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 47083 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:51:41,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 47083 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:51:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9423 states. [2023-12-16 19:51:41,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9423 to 9423. [2023-12-16 19:51:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9423 states, 9422 states have (on average 1.6664190193164934) internal successors, (15701), 9422 states have internal predecessors, (15701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:41,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9423 states to 9423 states and 15701 transitions. [2023-12-16 19:51:41,196 INFO L78 Accepts]: Start accepts. Automaton has 9423 states and 15701 transitions. Word has length 468 [2023-12-16 19:51:41,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:51:41,197 INFO L495 AbstractCegarLoop]: Abstraction has 9423 states and 15701 transitions. [2023-12-16 19:51:41,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 9423 states and 15701 transitions. [2023-12-16 19:51:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-16 19:51:41,202 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:51:41,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:41,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:51:41,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:51:41,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:51:41,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2052751893, now seen corresponding path program 1 times [2023-12-16 19:51:41,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:51:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698009368] [2023-12-16 19:51:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:51:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:51:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:51:42,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:51:42,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698009368] [2023-12-16 19:51:42,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698009368] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:51:42,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:51:42,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:51:42,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418496686] [2023-12-16 19:51:42,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:51:42,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:51:42,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:51:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:51:42,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:51:42,129 INFO L87 Difference]: Start difference. First operand 9423 states and 15701 transitions. Second operand has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:51:42,345 INFO L93 Difference]: Finished difference Result 18437 states and 30720 transitions. [2023-12-16 19:51:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:51:42,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 469 [2023-12-16 19:51:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:51:42,370 INFO L225 Difference]: With dead ends: 18437 [2023-12-16 19:51:42,370 INFO L226 Difference]: Without dead ends: 9426 [2023-12-16 19:51:42,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:51:42,383 INFO L413 NwaCegarLoop]: 15696 mSDtfsCounter, 1 mSDsluCounter, 31385 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 47081 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:51:42,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 47081 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:51:42,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9426 states. [2023-12-16 19:51:42,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9426 to 9425. [2023-12-16 19:51:42,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9425 states, 9424 states have (on average 1.6662775891341257) internal successors, (15703), 9424 states have internal predecessors, (15703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9425 states to 9425 states and 15703 transitions. [2023-12-16 19:51:42,531 INFO L78 Accepts]: Start accepts. Automaton has 9425 states and 15703 transitions. Word has length 469 [2023-12-16 19:51:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:51:42,532 INFO L495 AbstractCegarLoop]: Abstraction has 9425 states and 15703 transitions. [2023-12-16 19:51:42,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 9425 states and 15703 transitions. [2023-12-16 19:51:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2023-12-16 19:51:42,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:51:42,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:42,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:51:42,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:51:42,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:51:42,537 INFO L85 PathProgramCache]: Analyzing trace with hash -999630439, now seen corresponding path program 1 times [2023-12-16 19:51:42,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:51:42,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322970463] [2023-12-16 19:51:42,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:42,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:51:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:51:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:51:43,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:51:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322970463] [2023-12-16 19:51:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322970463] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:51:43,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:51:43,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:51:43,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055209255] [2023-12-16 19:51:43,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:51:43,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:51:43,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:51:43,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:51:43,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:51:43,264 INFO L87 Difference]: Start difference. First operand 9425 states and 15703 transitions. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:43,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:51:43,711 INFO L93 Difference]: Finished difference Result 27441 states and 45722 transitions. [2023-12-16 19:51:43,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:51:43,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 470 [2023-12-16 19:51:43,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:51:43,751 INFO L225 Difference]: With dead ends: 27441 [2023-12-16 19:51:43,752 INFO L226 Difference]: Without dead ends: 18428 [2023-12-16 19:51:43,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:51:43,768 INFO L413 NwaCegarLoop]: 16157 mSDtfsCounter, 14999 mSDsluCounter, 31842 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14999 SdHoareTripleChecker+Valid, 47999 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 19:51:43,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14999 Valid, 47999 Invalid, 20 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 19:51:43,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2023-12-16 19:51:43,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 9427. [2023-12-16 19:51:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9427 states, 9426 states have (on average 1.6661362189688096) internal successors, (15705), 9426 states have internal predecessors, (15705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9427 states to 9427 states and 15705 transitions. [2023-12-16 19:51:43,970 INFO L78 Accepts]: Start accepts. Automaton has 9427 states and 15705 transitions. Word has length 470 [2023-12-16 19:51:43,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:51:43,971 INFO L495 AbstractCegarLoop]: Abstraction has 9427 states and 15705 transitions. [2023-12-16 19:51:43,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 9427 states and 15705 transitions. [2023-12-16 19:51:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2023-12-16 19:51:43,975 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:51:43,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:43,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:51:43,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:51:43,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:51:43,976 INFO L85 PathProgramCache]: Analyzing trace with hash 283110009, now seen corresponding path program 1 times [2023-12-16 19:51:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:51:43,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950357142] [2023-12-16 19:51:43,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:43,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:51:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:51:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:51:44,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:51:44,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950357142] [2023-12-16 19:51:44,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950357142] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:51:44,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:51:44,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:51:44,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261845398] [2023-12-16 19:51:44,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:51:44,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:51:44,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:51:44,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:51:44,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:51:44,830 INFO L87 Difference]: Start difference. First operand 9427 states and 15705 transitions. Second operand has 6 states, 6 states have (on average 78.5) internal successors, (471), 5 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:51:45,384 INFO L93 Difference]: Finished difference Result 27726 states and 46193 transitions. [2023-12-16 19:51:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 19:51:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 78.5) internal successors, (471), 5 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 471 [2023-12-16 19:51:45,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:51:45,415 INFO L225 Difference]: With dead ends: 27726 [2023-12-16 19:51:45,415 INFO L226 Difference]: Without dead ends: 18711 [2023-12-16 19:51:45,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-12-16 19:51:45,436 INFO L413 NwaCegarLoop]: 16152 mSDtfsCounter, 60713 mSDsluCounter, 47527 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60713 SdHoareTripleChecker+Valid, 63679 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:51:45,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60713 Valid, 63679 Invalid, 42 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:51:45,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18711 states. [2023-12-16 19:51:45,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18711 to 9706. [2023-12-16 19:51:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9706 states, 9705 states have (on average 1.6661514683153014) internal successors, (16170), 9705 states have internal predecessors, (16170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9706 states to 9706 states and 16170 transitions. [2023-12-16 19:51:45,715 INFO L78 Accepts]: Start accepts. Automaton has 9706 states and 16170 transitions. Word has length 471 [2023-12-16 19:51:45,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:51:45,716 INFO L495 AbstractCegarLoop]: Abstraction has 9706 states and 16170 transitions. [2023-12-16 19:51:45,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.5) internal successors, (471), 5 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:45,716 INFO L276 IsEmpty]: Start isEmpty. Operand 9706 states and 16170 transitions. [2023-12-16 19:51:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6473 [2023-12-16 19:51:46,008 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:51:46,011 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:51:46,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:51:46,011 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:51:46,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:51:46,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1493546695, now seen corresponding path program 1 times [2023-12-16 19:51:46,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:51:46,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458722676] [2023-12-16 19:51:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:46,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:51:46,664 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:51:46,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185268020] [2023-12-16 19:51:46,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:46,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:51:46,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:51:46,669 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 19:51:46,676 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 19:51:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:51:53,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 28714 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 19:51:53,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 19:51:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 19:51:54,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 19:51:54,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:51:54,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458722676] [2023-12-16 19:51:54,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 19:51:54,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185268020] [2023-12-16 19:51:54,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185268020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:51:54,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:51:54,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 19:51:54,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812781265] [2023-12-16 19:51:54,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:51:54,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 19:51:54,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:51:54,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 19:51:54,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 19:51:54,221 INFO L87 Difference]: Start difference. First operand 9706 states and 16170 transitions. Second operand has 3 states, 3 states have (on average 2157.3333333333335) internal successors, (6472), 3 states have internal predecessors, (6472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:54,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:51:54,392 INFO L93 Difference]: Finished difference Result 18726 states and 31197 transitions. [2023-12-16 19:51:54,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 19:51:54,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2157.3333333333335) internal successors, (6472), 3 states have internal predecessors, (6472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6472 [2023-12-16 19:51:54,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:51:54,423 INFO L225 Difference]: With dead ends: 18726 [2023-12-16 19:51:54,423 INFO L226 Difference]: Without dead ends: 9711 [2023-12-16 19:51:54,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6471 GetRequests, 6470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 19:51:54,436 INFO L413 NwaCegarLoop]: 15697 mSDtfsCounter, 6 mSDsluCounter, 15692 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 31389 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:51:54,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 31389 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:51:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9711 states. [2023-12-16 19:51:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9711 to 9707. [2023-12-16 19:51:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9707 states, 9706 states have (on average 1.6660828353595714) internal successors, (16171), 9706 states have internal predecessors, (16171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9707 states to 9707 states and 16171 transitions. [2023-12-16 19:51:54,579 INFO L78 Accepts]: Start accepts. Automaton has 9707 states and 16171 transitions. Word has length 6472 [2023-12-16 19:51:54,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:51:54,581 INFO L495 AbstractCegarLoop]: Abstraction has 9707 states and 16171 transitions. [2023-12-16 19:51:54,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2157.3333333333335) internal successors, (6472), 3 states have internal predecessors, (6472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:51:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 9707 states and 16171 transitions. [2023-12-16 19:51:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6473 [2023-12-16 19:51:54,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:51:54,882 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 19:51:54,970 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 19:51:55,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:51:55,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:51:55,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:51:55,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1001563641, now seen corresponding path program 1 times [2023-12-16 19:51:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:51:55,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591285793] [2023-12-16 19:51:55,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:51:55,697 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 19:51:55,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460218777] [2023-12-16 19:51:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:51:55,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 19:51:55,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:51:55,700 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 19:51:55,724 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 19:52:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:52:03,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 28715 conjuncts, 160 conjunts are in the unsatisfiable core [2023-12-16 19:52:03,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 19:52:05,772 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:52:05,815 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 19:52:05,815 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 19:52:05,872 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 19:52:05,972 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,SelfDestructingSolverStorable5 [2023-12-16 19:52:05,976 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 6473 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2023-12-16 19:52:05,979 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 19:52:05,981 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:52:05,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:52:05 BoogieIcfgContainer [2023-12-16 19:52:05,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:52:05,987 INFO L158 Benchmark]: Toolchain (without parser) took 50535.98ms. Allocated memory was 287.3MB in the beginning and 5.9GB in the end (delta: 5.6GB). Free memory was 227.2MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-16 19:52:05,989 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 151.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:52:05,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1649.92ms. Allocated memory was 287.3MB in the beginning and 524.3MB in the end (delta: 237.0MB). Free memory was 227.2MB in the beginning and 319.1MB in the end (delta: -91.9MB). Peak memory consumption was 204.9MB. Max. memory is 8.0GB. [2023-12-16 19:52:05,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 3116.77ms. Allocated memory was 524.3MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 318.6MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 508.6MB. Max. memory is 8.0GB. [2023-12-16 19:52:05,989 INFO L158 Benchmark]: Boogie Preprocessor took 2760.34ms. Allocated memory was 2.4GB in the beginning and 4.6GB in the end (delta: 2.2GB). Free memory was 1.7GB in the beginning and 3.7GB in the end (delta: -2.0GB). Peak memory consumption was 324.0MB. Max. memory is 8.0GB. [2023-12-16 19:52:05,990 INFO L158 Benchmark]: RCFGBuilder took 15544.34ms. Allocated memory was 4.6GB in the beginning and 5.8GB in the end (delta: 1.1GB). Free memory was 3.7GB in the beginning and 3.4GB in the end (delta: 299.3MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-12-16 19:52:05,990 INFO L158 Benchmark]: TraceAbstraction took 27299.79ms. Allocated memory was 5.8GB in the beginning and 5.9GB in the end (delta: 89.1MB). Free memory was 4.8GB in the beginning and 4.3GB in the end (delta: 462.4MB). Peak memory consumption was 551.6MB. Max. memory is 8.0GB. [2023-12-16 19:52:05,991 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 201.3MB. Free memory is still 151.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1649.92ms. Allocated memory was 287.3MB in the beginning and 524.3MB in the end (delta: 237.0MB). Free memory was 227.2MB in the beginning and 319.1MB in the end (delta: -91.9MB). Peak memory consumption was 204.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3116.77ms. Allocated memory was 524.3MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 318.6MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 508.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 2760.34ms. Allocated memory was 2.4GB in the beginning and 4.6GB in the end (delta: 2.2GB). Free memory was 1.7GB in the beginning and 3.7GB in the end (delta: -2.0GB). Peak memory consumption was 324.0MB. Max. memory is 8.0GB. * RCFGBuilder took 15544.34ms. Allocated memory was 4.6GB in the beginning and 5.8GB in the end (delta: 1.1GB). Free memory was 3.7GB in the beginning and 3.4GB in the end (delta: 299.3MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * TraceAbstraction took 27299.79ms. Allocated memory was 5.8GB in the beginning and 5.9GB in the end (delta: 89.1MB). Free memory was 4.8GB in the beginning and 4.3GB in the end (delta: 462.4MB). Peak memory consumption was 551.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 6473 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9423 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75720 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75720 mSDsluCounter, 237231 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 157833 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 79398 mSDtfsCounter, 95 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6494 GetRequests, 6479 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9707occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18011 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.2s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 8350 NumberOfCodeBlocks, 8350 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 8345 ConstructedInterpolants, 0 QuantifiedInterpolants, 9298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 28714 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 192/192 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