/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 02:30:22,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 02:30:22,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 02:30:22,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 02:30:22,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 02:30:22,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 02:30:22,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 02:30:22,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 02:30:22,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 02:30:22,710 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 02:30:22,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 02:30:22,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 02:30:22,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 02:30:22,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 02:30:22,711 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 02:30:22,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 02:30:22,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 02:30:22,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 02:30:22,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 02:30:22,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 02:30:22,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 02:30:22,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 02:30:22,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 02:30:22,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 02:30:22,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 02:30:22,714 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 02:30:22,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 02:30:22,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 02:30:22,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 02:30:22,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 02:30:22,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 02:30:22,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 02:30:22,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 02:30:22,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 02:30:22,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 02:30:22,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 02:30:22,716 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 02:30:22,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 02:30:22,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 02:30:22,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 02:30:22,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 02:30:22,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 02:30:22,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 02:30:22,717 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-20 02:30:22,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 02:30:22,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 02:30:22,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 02:30:22,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 02:30:22,870 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 02:30:22,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-20 02:30:23,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 02:30:24,187 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 02:30:24,188 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-20 02:30:24,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63076be2/dbdfd85702c345f296affdee554cd61b/FLAGaf48d6239 [2023-12-20 02:30:24,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63076be2/dbdfd85702c345f296affdee554cd61b [2023-12-20 02:30:24,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 02:30:24,219 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 02:30:24,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 02:30:24,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 02:30:24,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 02:30:24,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d3bd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24, skipping insertion in model container [2023-12-20 02:30:24,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 02:30:24,476 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2023-12-20 02:30:24,493 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2023-12-20 02:30:24,503 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2023-12-20 02:30:24,516 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2023-12-20 02:30:24,552 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2023-12-20 02:30:24,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 02:30:24,596 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 02:30:24,655 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2023-12-20 02:30:24,660 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2023-12-20 02:30:24,673 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2023-12-20 02:30:24,678 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2023-12-20 02:30:24,729 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2023-12-20 02:30:24,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 02:30:24,767 INFO L206 MainTranslator]: Completed translation [2023-12-20 02:30:24,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24 WrapperNode [2023-12-20 02:30:24,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 02:30:24,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 02:30:24,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 02:30:24,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 02:30:24,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,864 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1630 [2023-12-20 02:30:24,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 02:30:24,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 02:30:24,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 02:30:24,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 02:30:24,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,879 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,932 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]. [2023-12-20 02:30:24,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 02:30:24,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 02:30:24,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 02:30:24,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 02:30:24,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (1/1) ... [2023-12-20 02:30:24,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 02:30:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 02:30:25,037 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) [2023-12-20 02:30:25,050 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 [2023-12-20 02:30:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 02:30:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 02:30:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 02:30:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 02:30:25,190 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 02:30:25,192 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 02:30:26,008 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 02:30:26,048 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 02:30:26,049 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-20 02:30:26,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 02:30:26 BoogieIcfgContainer [2023-12-20 02:30:26,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 02:30:26,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 02:30:26,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 02:30:26,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 02:30:26,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 02:30:24" (1/3) ... [2023-12-20 02:30:26,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfc40b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 02:30:26, skipping insertion in model container [2023-12-20 02:30:26,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 02:30:24" (2/3) ... [2023-12-20 02:30:26,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfc40b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 02:30:26, skipping insertion in model container [2023-12-20 02:30:26,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 02:30:26" (3/3) ... [2023-12-20 02:30:26,059 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-20 02:30:26,073 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 02:30:26,073 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-12-20 02:30:26,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 02:30:26,119 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;@293ca3af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 02:30:26,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-12-20 02:30:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 386 states, 380 states have (on average 1.8289473684210527) internal successors, (695), 385 states have internal predecessors, (695), 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) [2023-12-20 02:30:26,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-20 02:30:26,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:26,134 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] [2023-12-20 02:30:26,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:26,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:26,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1698524554, now seen corresponding path program 1 times [2023-12-20 02:30:26,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:26,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486856710] [2023-12-20 02:30:26,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:26,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:26,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:26,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486856710] [2023-12-20 02:30:26,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486856710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:26,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:26,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:26,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501542142] [2023-12-20 02:30:26,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:26,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:30:26,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:26,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:30:26,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:26,632 INFO L87 Difference]: Start difference. First operand has 386 states, 380 states have (on average 1.8289473684210527) internal successors, (695), 385 states have internal predecessors, (695), 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 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-12-20 02:30:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:26,797 INFO L93 Difference]: Finished difference Result 713 states and 1272 transitions. [2023-12-20 02:30:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:30:26,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 140 [2023-12-20 02:30:26,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:26,816 INFO L225 Difference]: With dead ends: 713 [2023-12-20 02:30:26,816 INFO L226 Difference]: Without dead ends: 588 [2023-12-20 02:30:26,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:26,822 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 423 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:26,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1238 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:26,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2023-12-20 02:30:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 586. [2023-12-20 02:30:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 581 states have (on average 1.4802065404475042) internal successors, (860), 585 states have internal predecessors, (860), 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) [2023-12-20 02:30:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 860 transitions. [2023-12-20 02:30:26,864 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 860 transitions. Word has length 140 [2023-12-20 02:30:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:26,864 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 860 transitions. [2023-12-20 02:30:26,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-12-20 02:30:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 860 transitions. [2023-12-20 02:30:26,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-20 02:30:26,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:26,867 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] [2023-12-20 02:30:26,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 02:30:26,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:26,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:26,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1698955530, now seen corresponding path program 1 times [2023-12-20 02:30:26,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:26,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108095213] [2023-12-20 02:30:26,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:26,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:27,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:27,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108095213] [2023-12-20 02:30:27,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108095213] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:27,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:27,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:27,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728214037] [2023-12-20 02:30:27,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:27,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:27,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:27,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:27,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:27,275 INFO L87 Difference]: Start difference. First operand 586 states and 860 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-12-20 02:30:27,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:27,348 INFO L93 Difference]: Finished difference Result 1718 states and 2513 transitions. [2023-12-20 02:30:27,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:27,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 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 140 [2023-12-20 02:30:27,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:27,352 INFO L225 Difference]: With dead ends: 1718 [2023-12-20 02:30:27,352 INFO L226 Difference]: Without dead ends: 1140 [2023-12-20 02:30:27,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:27,357 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 1099 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:27,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1467 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:27,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2023-12-20 02:30:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1102. [2023-12-20 02:30:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 1097 states have (on average 1.4685505925250684) internal successors, (1611), 1101 states have internal predecessors, (1611), 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) [2023-12-20 02:30:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1611 transitions. [2023-12-20 02:30:27,406 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1611 transitions. Word has length 140 [2023-12-20 02:30:27,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:27,407 INFO L495 AbstractCegarLoop]: Abstraction has 1102 states and 1611 transitions. [2023-12-20 02:30:27,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-12-20 02:30:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1611 transitions. [2023-12-20 02:30:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-20 02:30:27,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:27,414 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] [2023-12-20 02:30:27,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 02:30:27,414 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:27,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1124938092, now seen corresponding path program 1 times [2023-12-20 02:30:27,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:27,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180486151] [2023-12-20 02:30:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:27,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:27,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:27,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180486151] [2023-12-20 02:30:27,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180486151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:27,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:27,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:27,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336340485] [2023-12-20 02:30:27,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:27,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:30:27,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:27,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:30:27,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:27,499 INFO L87 Difference]: Start difference. First operand 1102 states and 1611 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-12-20 02:30:27,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:27,527 INFO L93 Difference]: Finished difference Result 3270 states and 4773 transitions. [2023-12-20 02:30:27,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:30:27,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 141 [2023-12-20 02:30:27,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:27,534 INFO L225 Difference]: With dead ends: 3270 [2023-12-20 02:30:27,535 INFO L226 Difference]: Without dead ends: 2195 [2023-12-20 02:30:27,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:27,539 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 540 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:27,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1627 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:27,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2023-12-20 02:30:27,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1104. [2023-12-20 02:30:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 1099 states have (on average 1.4676979071883531) internal successors, (1613), 1103 states have internal predecessors, (1613), 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) [2023-12-20 02:30:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1613 transitions. [2023-12-20 02:30:27,561 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1613 transitions. Word has length 141 [2023-12-20 02:30:27,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:27,562 INFO L495 AbstractCegarLoop]: Abstraction has 1104 states and 1613 transitions. [2023-12-20 02:30:27,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-12-20 02:30:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1613 transitions. [2023-12-20 02:30:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-20 02:30:27,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:27,563 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] [2023-12-20 02:30:27,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 02:30:27,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:27,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:27,564 INFO L85 PathProgramCache]: Analyzing trace with hash -973418926, now seen corresponding path program 1 times [2023-12-20 02:30:27,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:27,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017456487] [2023-12-20 02:30:27,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:27,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:27,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:27,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017456487] [2023-12-20 02:30:27,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017456487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:27,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:27,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662142400] [2023-12-20 02:30:27,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:27,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:30:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:27,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:30:27,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:27,661 INFO L87 Difference]: Start difference. First operand 1104 states and 1613 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2023-12-20 02:30:27,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:27,703 INFO L93 Difference]: Finished difference Result 3074 states and 4500 transitions. [2023-12-20 02:30:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:30:27,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 142 [2023-12-20 02:30:27,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:27,709 INFO L225 Difference]: With dead ends: 3074 [2023-12-20 02:30:27,709 INFO L226 Difference]: Without dead ends: 2145 [2023-12-20 02:30:27,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:27,715 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 478 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:27,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1518 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:27,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2023-12-20 02:30:27,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2107. [2023-12-20 02:30:27,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 2102 states have (on average 1.4552806850618458) internal successors, (3059), 2106 states have internal predecessors, (3059), 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) [2023-12-20 02:30:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 3059 transitions. [2023-12-20 02:30:27,749 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 3059 transitions. Word has length 142 [2023-12-20 02:30:27,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:27,749 INFO L495 AbstractCegarLoop]: Abstraction has 2107 states and 3059 transitions. [2023-12-20 02:30:27,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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) [2023-12-20 02:30:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3059 transitions. [2023-12-20 02:30:27,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-20 02:30:27,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:27,752 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] [2023-12-20 02:30:27,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 02:30:27,753 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:27,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:27,753 INFO L85 PathProgramCache]: Analyzing trace with hash 639743637, now seen corresponding path program 1 times [2023-12-20 02:30:27,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:27,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193378514] [2023-12-20 02:30:27,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:27,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:28,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:28,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193378514] [2023-12-20 02:30:28,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193378514] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:28,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:28,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:28,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174632880] [2023-12-20 02:30:28,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:28,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:30:28,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:28,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:30:28,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:28,012 INFO L87 Difference]: Start difference. First operand 2107 states and 3059 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 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) [2023-12-20 02:30:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:28,107 INFO L93 Difference]: Finished difference Result 6001 states and 8696 transitions. [2023-12-20 02:30:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:28,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 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 142 [2023-12-20 02:30:28,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:28,118 INFO L225 Difference]: With dead ends: 6001 [2023-12-20 02:30:28,119 INFO L226 Difference]: Without dead ends: 3907 [2023-12-20 02:30:28,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:28,123 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 1025 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:28,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 1767 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:28,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2023-12-20 02:30:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3877. [2023-12-20 02:30:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3877 states, 3872 states have (on average 1.4367252066115703) internal successors, (5563), 3876 states have internal predecessors, (5563), 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) [2023-12-20 02:30:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3877 states and 5563 transitions. [2023-12-20 02:30:28,214 INFO L78 Accepts]: Start accepts. Automaton has 3877 states and 5563 transitions. Word has length 142 [2023-12-20 02:30:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:28,214 INFO L495 AbstractCegarLoop]: Abstraction has 3877 states and 5563 transitions. [2023-12-20 02:30:28,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 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) [2023-12-20 02:30:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 3877 states and 5563 transitions. [2023-12-20 02:30:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-20 02:30:28,217 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:28,217 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] [2023-12-20 02:30:28,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 02:30:28,218 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:28,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:28,218 INFO L85 PathProgramCache]: Analyzing trace with hash -470067179, now seen corresponding path program 1 times [2023-12-20 02:30:28,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:28,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450495861] [2023-12-20 02:30:28,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:28,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:28,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:28,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450495861] [2023-12-20 02:30:28,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450495861] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:28,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:28,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:28,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148665025] [2023-12-20 02:30:28,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:28,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:28,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:28,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:28,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:28,390 INFO L87 Difference]: Start difference. First operand 3877 states and 5563 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2023-12-20 02:30:28,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:28,467 INFO L93 Difference]: Finished difference Result 11344 states and 16230 transitions. [2023-12-20 02:30:28,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:28,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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 142 [2023-12-20 02:30:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:28,490 INFO L225 Difference]: With dead ends: 11344 [2023-12-20 02:30:28,494 INFO L226 Difference]: Without dead ends: 7522 [2023-12-20 02:30:28,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:28,501 INFO L413 NwaCegarLoop]: 953 mSDtfsCounter, 1085 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:28,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 1458 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:28,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7522 states. [2023-12-20 02:30:28,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7522 to 7478. [2023-12-20 02:30:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7478 states, 7473 states have (on average 1.4209822025960124) internal successors, (10619), 7477 states have internal predecessors, (10619), 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) [2023-12-20 02:30:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7478 states to 7478 states and 10619 transitions. [2023-12-20 02:30:28,639 INFO L78 Accepts]: Start accepts. Automaton has 7478 states and 10619 transitions. Word has length 142 [2023-12-20 02:30:28,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:28,639 INFO L495 AbstractCegarLoop]: Abstraction has 7478 states and 10619 transitions. [2023-12-20 02:30:28,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 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) [2023-12-20 02:30:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7478 states and 10619 transitions. [2023-12-20 02:30:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-20 02:30:28,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:28,646 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] [2023-12-20 02:30:28,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 02:30:28,646 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:28,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash 65380307, now seen corresponding path program 1 times [2023-12-20 02:30:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:28,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720720397] [2023-12-20 02:30:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:28,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:28,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:28,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720720397] [2023-12-20 02:30:28,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720720397] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:28,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:28,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:28,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680912694] [2023-12-20 02:30:28,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:28,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:30:28,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:28,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:30:28,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:28,719 INFO L87 Difference]: Start difference. First operand 7478 states and 10619 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2023-12-20 02:30:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:28,790 INFO L93 Difference]: Finished difference Result 22284 states and 31626 transitions. [2023-12-20 02:30:28,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:30:28,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 143 [2023-12-20 02:30:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:28,834 INFO L225 Difference]: With dead ends: 22284 [2023-12-20 02:30:28,834 INFO L226 Difference]: Without dead ends: 14896 [2023-12-20 02:30:28,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:28,846 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 526 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:28,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1613 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:28,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14896 states. [2023-12-20 02:30:28,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14896 to 7488. [2023-12-20 02:30:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7488 states, 7483 states have (on average 1.4204196178003474) internal successors, (10629), 7487 states have internal predecessors, (10629), 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) [2023-12-20 02:30:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7488 states to 7488 states and 10629 transitions. [2023-12-20 02:30:29,018 INFO L78 Accepts]: Start accepts. Automaton has 7488 states and 10629 transitions. Word has length 143 [2023-12-20 02:30:29,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:29,018 INFO L495 AbstractCegarLoop]: Abstraction has 7488 states and 10629 transitions. [2023-12-20 02:30:29,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2023-12-20 02:30:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7488 states and 10629 transitions. [2023-12-20 02:30:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-20 02:30:29,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:29,025 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] [2023-12-20 02:30:29,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 02:30:29,025 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:29,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1273501491, now seen corresponding path program 1 times [2023-12-20 02:30:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:29,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762388527] [2023-12-20 02:30:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:29,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:29,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:29,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:29,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762388527] [2023-12-20 02:30:29,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762388527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:29,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:29,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:29,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312479031] [2023-12-20 02:30:29,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:29,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:30:29,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:30:29,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:29,080 INFO L87 Difference]: Start difference. First operand 7488 states and 10629 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-12-20 02:30:29,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:29,195 INFO L93 Difference]: Finished difference Result 21180 states and 30128 transitions. [2023-12-20 02:30:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:30:29,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 144 [2023-12-20 02:30:29,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:29,217 INFO L225 Difference]: With dead ends: 21180 [2023-12-20 02:30:29,217 INFO L226 Difference]: Without dead ends: 14532 [2023-12-20 02:30:29,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:29,227 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 471 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:29,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1539 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:29,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14532 states. [2023-12-20 02:30:29,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14532 to 14488. [2023-12-20 02:30:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14488 states, 14483 states have (on average 1.4052337222951046) internal successors, (20352), 14487 states have internal predecessors, (20352), 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) [2023-12-20 02:30:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 20352 transitions. [2023-12-20 02:30:29,476 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 20352 transitions. Word has length 144 [2023-12-20 02:30:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:29,476 INFO L495 AbstractCegarLoop]: Abstraction has 14488 states and 20352 transitions. [2023-12-20 02:30:29,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-12-20 02:30:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 20352 transitions. [2023-12-20 02:30:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-20 02:30:29,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:29,494 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] [2023-12-20 02:30:29,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 02:30:29,494 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:29,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:29,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1322554736, now seen corresponding path program 1 times [2023-12-20 02:30:29,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:29,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373824188] [2023-12-20 02:30:29,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:29,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:29,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:29,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373824188] [2023-12-20 02:30:29,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373824188] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:29,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:29,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:29,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218058497] [2023-12-20 02:30:29,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:29,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:30:29,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:29,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:30:29,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:29,845 INFO L87 Difference]: Start difference. First operand 14488 states and 20352 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 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) [2023-12-20 02:30:30,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:30,049 INFO L93 Difference]: Finished difference Result 38833 states and 54379 transitions. [2023-12-20 02:30:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:30,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 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 144 [2023-12-20 02:30:30,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:30,104 INFO L225 Difference]: With dead ends: 38833 [2023-12-20 02:30:30,104 INFO L226 Difference]: Without dead ends: 24422 [2023-12-20 02:30:30,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:30,133 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 1008 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:30,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 1915 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:30,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24422 states. [2023-12-20 02:30:30,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24422 to 24396. [2023-12-20 02:30:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24396 states, 24391 states have (on average 1.3795252347177238) internal successors, (33648), 24395 states have internal predecessors, (33648), 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) [2023-12-20 02:30:30,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24396 states to 24396 states and 33648 transitions. [2023-12-20 02:30:30,580 INFO L78 Accepts]: Start accepts. Automaton has 24396 states and 33648 transitions. Word has length 144 [2023-12-20 02:30:30,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:30,581 INFO L495 AbstractCegarLoop]: Abstraction has 24396 states and 33648 transitions. [2023-12-20 02:30:30,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 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) [2023-12-20 02:30:30,581 INFO L276 IsEmpty]: Start isEmpty. Operand 24396 states and 33648 transitions. [2023-12-20 02:30:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-20 02:30:30,611 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:30,612 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] [2023-12-20 02:30:30,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 02:30:30,612 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:30,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:30,613 INFO L85 PathProgramCache]: Analyzing trace with hash 307895476, now seen corresponding path program 1 times [2023-12-20 02:30:30,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:30,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945215605] [2023-12-20 02:30:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:30,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:30,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:30,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945215605] [2023-12-20 02:30:30,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945215605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:30,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:30,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:30,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046869082] [2023-12-20 02:30:30,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:30,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:30,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:30,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:30,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:30,853 INFO L87 Difference]: Start difference. First operand 24396 states and 33648 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-12-20 02:30:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:31,140 INFO L93 Difference]: Finished difference Result 49324 states and 67864 transitions. [2023-12-20 02:30:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:31,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 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 144 [2023-12-20 02:30:31,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:31,178 INFO L225 Difference]: With dead ends: 49324 [2023-12-20 02:30:31,178 INFO L226 Difference]: Without dead ends: 25321 [2023-12-20 02:30:31,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:31,197 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 1074 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:31,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1442 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:31,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25321 states. [2023-12-20 02:30:31,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25321 to 24862. [2023-12-20 02:30:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24862 states, 24857 states have (on average 1.3743010017298949) internal successors, (34161), 24861 states have internal predecessors, (34161), 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) [2023-12-20 02:30:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24862 states to 24862 states and 34161 transitions. [2023-12-20 02:30:31,732 INFO L78 Accepts]: Start accepts. Automaton has 24862 states and 34161 transitions. Word has length 144 [2023-12-20 02:30:31,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:31,732 INFO L495 AbstractCegarLoop]: Abstraction has 24862 states and 34161 transitions. [2023-12-20 02:30:31,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-12-20 02:30:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 24862 states and 34161 transitions. [2023-12-20 02:30:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-20 02:30:31,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:31,754 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] [2023-12-20 02:30:31,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 02:30:31,754 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:31,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:31,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1967971182, now seen corresponding path program 1 times [2023-12-20 02:30:31,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:31,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583645694] [2023-12-20 02:30:31,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:31,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:31,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583645694] [2023-12-20 02:30:31,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583645694] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:31,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:31,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:31,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933851585] [2023-12-20 02:30:31,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:31,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:30:31,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:31,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:30:31,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:31,807 INFO L87 Difference]: Start difference. First operand 24862 states and 34161 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-12-20 02:30:32,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:32,135 INFO L93 Difference]: Finished difference Result 72632 states and 100089 transitions. [2023-12-20 02:30:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:30:32,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 145 [2023-12-20 02:30:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:32,321 INFO L225 Difference]: With dead ends: 72632 [2023-12-20 02:30:32,321 INFO L226 Difference]: Without dead ends: 49311 [2023-12-20 02:30:32,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:32,343 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 512 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:32,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 1167 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:32,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49311 states. [2023-12-20 02:30:32,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49311 to 24902. [2023-12-20 02:30:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24902 states, 24897 states have (on average 1.373699642527212) internal successors, (34201), 24901 states have internal predecessors, (34201), 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) [2023-12-20 02:30:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24902 states to 24902 states and 34201 transitions. [2023-12-20 02:30:32,982 INFO L78 Accepts]: Start accepts. Automaton has 24902 states and 34201 transitions. Word has length 145 [2023-12-20 02:30:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:32,982 INFO L495 AbstractCegarLoop]: Abstraction has 24902 states and 34201 transitions. [2023-12-20 02:30:32,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-12-20 02:30:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 24902 states and 34201 transitions. [2023-12-20 02:30:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-20 02:30:33,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:33,000 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] [2023-12-20 02:30:33,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 02:30:33,001 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:33,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:33,001 INFO L85 PathProgramCache]: Analyzing trace with hash 202443987, now seen corresponding path program 1 times [2023-12-20 02:30:33,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:33,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62074093] [2023-12-20 02:30:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:33,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:33,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62074093] [2023-12-20 02:30:33,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62074093] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:33,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:33,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:33,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193242805] [2023-12-20 02:30:33,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:33,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:33,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:33,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:33,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:33,184 INFO L87 Difference]: Start difference. First operand 24902 states and 34201 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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) [2023-12-20 02:30:33,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:33,345 INFO L93 Difference]: Finished difference Result 40403 states and 55584 transitions. [2023-12-20 02:30:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:33,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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 146 [2023-12-20 02:30:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:33,367 INFO L225 Difference]: With dead ends: 40403 [2023-12-20 02:30:33,367 INFO L226 Difference]: Without dead ends: 16483 [2023-12-20 02:30:33,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:33,378 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 65 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:33,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1681 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16483 states. [2023-12-20 02:30:33,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16483 to 16483. [2023-12-20 02:30:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16483 states, 16478 states have (on average 1.3683699478092002) internal successors, (22548), 16482 states have internal predecessors, (22548), 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) [2023-12-20 02:30:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16483 states to 16483 states and 22548 transitions. [2023-12-20 02:30:33,548 INFO L78 Accepts]: Start accepts. Automaton has 16483 states and 22548 transitions. Word has length 146 [2023-12-20 02:30:33,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:33,548 INFO L495 AbstractCegarLoop]: Abstraction has 16483 states and 22548 transitions. [2023-12-20 02:30:33,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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) [2023-12-20 02:30:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 16483 states and 22548 transitions. [2023-12-20 02:30:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-20 02:30:33,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:33,600 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] [2023-12-20 02:30:33,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 02:30:33,601 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:33,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash -887892002, now seen corresponding path program 1 times [2023-12-20 02:30:33,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:33,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326332275] [2023-12-20 02:30:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:33,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:33,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:33,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326332275] [2023-12-20 02:30:33,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326332275] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:33,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:33,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:33,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508293025] [2023-12-20 02:30:33,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:33,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:33,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:33,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:33,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:33,870 INFO L87 Difference]: Start difference. First operand 16483 states and 22548 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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) [2023-12-20 02:30:34,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:34,008 INFO L93 Difference]: Finished difference Result 32604 states and 46324 transitions. [2023-12-20 02:30:34,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:34,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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 154 [2023-12-20 02:30:34,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:34,047 INFO L225 Difference]: With dead ends: 32604 [2023-12-20 02:30:34,047 INFO L226 Difference]: Without dead ends: 26685 [2023-12-20 02:30:34,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:34,060 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 911 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 911 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:34,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [911 Valid, 943 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:34,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26685 states. [2023-12-20 02:30:34,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26685 to 26683. [2023-12-20 02:30:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26683 states, 26678 states have (on average 1.378514131494115) internal successors, (36776), 26682 states have internal predecessors, (36776), 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) [2023-12-20 02:30:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26683 states to 26683 states and 36776 transitions. [2023-12-20 02:30:34,475 INFO L78 Accepts]: Start accepts. Automaton has 26683 states and 36776 transitions. Word has length 154 [2023-12-20 02:30:34,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:34,476 INFO L495 AbstractCegarLoop]: Abstraction has 26683 states and 36776 transitions. [2023-12-20 02:30:34,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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) [2023-12-20 02:30:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand 26683 states and 36776 transitions. [2023-12-20 02:30:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-20 02:30:34,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:34,495 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] [2023-12-20 02:30:34,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 02:30:34,495 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:34,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:34,496 INFO L85 PathProgramCache]: Analyzing trace with hash 2146553950, now seen corresponding path program 1 times [2023-12-20 02:30:34,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:34,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565885977] [2023-12-20 02:30:34,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:34,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:34,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:34,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565885977] [2023-12-20 02:30:34,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565885977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:34,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:34,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:34,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890454316] [2023-12-20 02:30:34,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:34,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:34,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:34,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:34,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:34,756 INFO L87 Difference]: Start difference. First operand 26683 states and 36776 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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) [2023-12-20 02:30:34,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:34,850 INFO L93 Difference]: Finished difference Result 44293 states and 61253 transitions. [2023-12-20 02:30:34,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:34,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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 154 [2023-12-20 02:30:34,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:34,877 INFO L225 Difference]: With dead ends: 44293 [2023-12-20 02:30:34,877 INFO L226 Difference]: Without dead ends: 24300 [2023-12-20 02:30:34,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:34,893 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 53 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:34,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1666 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:34,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24300 states. [2023-12-20 02:30:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24300 to 24300. [2023-12-20 02:30:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24300 states, 24295 states have (on average 1.3827948137476846) internal successors, (33595), 24299 states have internal predecessors, (33595), 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) [2023-12-20 02:30:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24300 states to 24300 states and 33595 transitions. [2023-12-20 02:30:35,214 INFO L78 Accepts]: Start accepts. Automaton has 24300 states and 33595 transitions. Word has length 154 [2023-12-20 02:30:35,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:35,215 INFO L495 AbstractCegarLoop]: Abstraction has 24300 states and 33595 transitions. [2023-12-20 02:30:35,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 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) [2023-12-20 02:30:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 24300 states and 33595 transitions. [2023-12-20 02:30:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-20 02:30:35,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:35,229 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] [2023-12-20 02:30:35,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 02:30:35,230 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:35,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:35,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1271628829, now seen corresponding path program 1 times [2023-12-20 02:30:35,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:35,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103883142] [2023-12-20 02:30:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:35,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:35,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103883142] [2023-12-20 02:30:35,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103883142] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:35,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:35,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:35,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666356926] [2023-12-20 02:30:35,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:35,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:30:35,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:35,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:30:35,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:35,277 INFO L87 Difference]: Start difference. First operand 24300 states and 33595 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2023-12-20 02:30:35,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:35,559 INFO L93 Difference]: Finished difference Result 68380 states and 95159 transitions. [2023-12-20 02:30:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:30:35,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 160 [2023-12-20 02:30:35,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:35,619 INFO L225 Difference]: With dead ends: 68380 [2023-12-20 02:30:35,620 INFO L226 Difference]: Without dead ends: 47182 [2023-12-20 02:30:35,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:30:35,646 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 457 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:35,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 873 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:35,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47182 states. [2023-12-20 02:30:36,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47182 to 47128. [2023-12-20 02:30:36,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47128 states, 47123 states have (on average 1.3745941472317127) internal successors, (64775), 47127 states have internal predecessors, (64775), 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) [2023-12-20 02:30:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47128 states to 47128 states and 64775 transitions. [2023-12-20 02:30:36,416 INFO L78 Accepts]: Start accepts. Automaton has 47128 states and 64775 transitions. Word has length 160 [2023-12-20 02:30:36,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:36,416 INFO L495 AbstractCegarLoop]: Abstraction has 47128 states and 64775 transitions. [2023-12-20 02:30:36,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2023-12-20 02:30:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 47128 states and 64775 transitions. [2023-12-20 02:30:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-20 02:30:36,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:36,451 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] [2023-12-20 02:30:36,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 02:30:36,451 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:36,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1702383480, now seen corresponding path program 1 times [2023-12-20 02:30:36,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:36,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607468561] [2023-12-20 02:30:36,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:36,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:36,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607468561] [2023-12-20 02:30:36,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607468561] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:36,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:36,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 02:30:36,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42697479] [2023-12-20 02:30:36,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:36,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 02:30:36,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:36,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 02:30:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-20 02:30:36,995 INFO L87 Difference]: Start difference. First operand 47128 states and 64775 transitions. Second operand has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 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) [2023-12-20 02:30:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:37,514 INFO L93 Difference]: Finished difference Result 61352 states and 87170 transitions. [2023-12-20 02:30:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:37,515 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 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 160 [2023-12-20 02:30:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:37,576 INFO L225 Difference]: With dead ends: 61352 [2023-12-20 02:30:37,576 INFO L226 Difference]: Without dead ends: 42650 [2023-12-20 02:30:37,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-20 02:30:37,589 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 2235 mSDsluCounter, 2232 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 2747 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:37,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2235 Valid, 2747 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 02:30:37,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42650 states. [2023-12-20 02:30:37,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42650 to 42648. [2023-12-20 02:30:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42648 states, 42643 states have (on average 1.3445114086719978) internal successors, (57334), 42647 states have internal predecessors, (57334), 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) [2023-12-20 02:30:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42648 states to 42648 states and 57334 transitions. [2023-12-20 02:30:38,076 INFO L78 Accepts]: Start accepts. Automaton has 42648 states and 57334 transitions. Word has length 160 [2023-12-20 02:30:38,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:38,077 INFO L495 AbstractCegarLoop]: Abstraction has 42648 states and 57334 transitions. [2023-12-20 02:30:38,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 9 states have internal predecessors, (160), 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) [2023-12-20 02:30:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 42648 states and 57334 transitions. [2023-12-20 02:30:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-20 02:30:38,108 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:38,109 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] [2023-12-20 02:30:38,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-20 02:30:38,112 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:38,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash 446416235, now seen corresponding path program 1 times [2023-12-20 02:30:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643305580] [2023-12-20 02:30:38,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:38,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:38,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:38,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643305580] [2023-12-20 02:30:38,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643305580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:38,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:38,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:38,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497257658] [2023-12-20 02:30:38,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:38,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:38,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:38,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:38,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:38,473 INFO L87 Difference]: Start difference. First operand 42648 states and 57334 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2023-12-20 02:30:38,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:38,644 INFO L93 Difference]: Finished difference Result 71322 states and 95768 transitions. [2023-12-20 02:30:38,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:38,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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 160 [2023-12-20 02:30:38,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:38,682 INFO L225 Difference]: With dead ends: 71322 [2023-12-20 02:30:38,683 INFO L226 Difference]: Without dead ends: 28743 [2023-12-20 02:30:38,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:38,714 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 43 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:38,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 1650 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:38,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28743 states. [2023-12-20 02:30:39,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28743 to 28743. [2023-12-20 02:30:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28743 states, 28738 states have (on average 1.34035075509778) internal successors, (38519), 28742 states have internal predecessors, (38519), 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) [2023-12-20 02:30:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28743 states to 28743 states and 38519 transitions. [2023-12-20 02:30:39,289 INFO L78 Accepts]: Start accepts. Automaton has 28743 states and 38519 transitions. Word has length 160 [2023-12-20 02:30:39,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:39,289 INFO L495 AbstractCegarLoop]: Abstraction has 28743 states and 38519 transitions. [2023-12-20 02:30:39,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 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) [2023-12-20 02:30:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 28743 states and 38519 transitions. [2023-12-20 02:30:39,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-20 02:30:39,306 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:39,306 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] [2023-12-20 02:30:39,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-20 02:30:39,307 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:39,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash 550043268, now seen corresponding path program 1 times [2023-12-20 02:30:39,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:39,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930642596] [2023-12-20 02:30:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:39,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:39,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930642596] [2023-12-20 02:30:39,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930642596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:39,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:39,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:39,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608908299] [2023-12-20 02:30:39,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:39,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:30:39,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:39,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:30:39,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:39,529 INFO L87 Difference]: Start difference. First operand 28743 states and 38519 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 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) [2023-12-20 02:30:39,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:39,771 INFO L93 Difference]: Finished difference Result 56420 states and 75787 transitions. [2023-12-20 02:30:39,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:30:39,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 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 168 [2023-12-20 02:30:39,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:39,812 INFO L225 Difference]: With dead ends: 56420 [2023-12-20 02:30:39,812 INFO L226 Difference]: Without dead ends: 28743 [2023-12-20 02:30:39,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-20 02:30:39,837 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 1452 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:39,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 490 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28743 states. [2023-12-20 02:30:40,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28743 to 28743. [2023-12-20 02:30:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28743 states, 28738 states have (on average 1.3234393485976756) internal successors, (38033), 28742 states have internal predecessors, (38033), 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) [2023-12-20 02:30:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28743 states to 28743 states and 38033 transitions. [2023-12-20 02:30:40,251 INFO L78 Accepts]: Start accepts. Automaton has 28743 states and 38033 transitions. Word has length 168 [2023-12-20 02:30:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:40,251 INFO L495 AbstractCegarLoop]: Abstraction has 28743 states and 38033 transitions. [2023-12-20 02:30:40,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 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) [2023-12-20 02:30:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 28743 states and 38033 transitions. [2023-12-20 02:30:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-20 02:30:40,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:40,268 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] [2023-12-20 02:30:40,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-20 02:30:40,268 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:40,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:40,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1580081503, now seen corresponding path program 1 times [2023-12-20 02:30:40,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:40,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494632042] [2023-12-20 02:30:40,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:40,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:40,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:40,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494632042] [2023-12-20 02:30:40,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494632042] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:40,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:40,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:40,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142645804] [2023-12-20 02:30:40,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:40,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:40,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:40,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:40,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:40,569 INFO L87 Difference]: Start difference. First operand 28743 states and 38033 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2023-12-20 02:30:40,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:40,901 INFO L93 Difference]: Finished difference Result 52661 states and 71234 transitions. [2023-12-20 02:30:40,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:40,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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 168 [2023-12-20 02:30:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:40,968 INFO L225 Difference]: With dead ends: 52661 [2023-12-20 02:30:40,968 INFO L226 Difference]: Without dead ends: 41230 [2023-12-20 02:30:40,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:40,992 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 852 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:40,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 932 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:41,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41230 states. [2023-12-20 02:30:41,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41230 to 41228. [2023-12-20 02:30:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41228 states, 41223 states have (on average 1.30412633723892) internal successors, (53760), 41227 states have internal predecessors, (53760), 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) [2023-12-20 02:30:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41228 states to 41228 states and 53760 transitions. [2023-12-20 02:30:41,541 INFO L78 Accepts]: Start accepts. Automaton has 41228 states and 53760 transitions. Word has length 168 [2023-12-20 02:30:41,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:41,542 INFO L495 AbstractCegarLoop]: Abstraction has 41228 states and 53760 transitions. [2023-12-20 02:30:41,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2023-12-20 02:30:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 41228 states and 53760 transitions. [2023-12-20 02:30:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-20 02:30:41,569 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:41,569 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] [2023-12-20 02:30:41,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-20 02:30:41,570 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:41,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:41,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1293467271, now seen corresponding path program 1 times [2023-12-20 02:30:41,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:41,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116211642] [2023-12-20 02:30:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:41,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:41,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116211642] [2023-12-20 02:30:41,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116211642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:41,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:41,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:30:41,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298920873] [2023-12-20 02:30:41,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:41,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:41,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:41,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:41,833 INFO L87 Difference]: Start difference. First operand 41228 states and 53760 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2023-12-20 02:30:42,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:42,026 INFO L93 Difference]: Finished difference Result 82728 states and 107829 transitions. [2023-12-20 02:30:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:42,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 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 168 [2023-12-20 02:30:42,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:42,075 INFO L225 Difference]: With dead ends: 82728 [2023-12-20 02:30:42,075 INFO L226 Difference]: Without dead ends: 41825 [2023-12-20 02:30:42,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:42,106 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 1067 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 1375 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:42,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 1375 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:42,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41825 states. [2023-12-20 02:30:42,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41825 to 41516. [2023-12-20 02:30:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41516 states, 41511 states have (on average 1.3024740430247403) internal successors, (54067), 41515 states have internal predecessors, (54067), 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) [2023-12-20 02:30:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41516 states to 41516 states and 54067 transitions. [2023-12-20 02:30:42,648 INFO L78 Accepts]: Start accepts. Automaton has 41516 states and 54067 transitions. Word has length 168 [2023-12-20 02:30:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:42,648 INFO L495 AbstractCegarLoop]: Abstraction has 41516 states and 54067 transitions. [2023-12-20 02:30:42,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2023-12-20 02:30:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 41516 states and 54067 transitions. [2023-12-20 02:30:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-20 02:30:42,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:42,865 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] [2023-12-20 02:30:42,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-20 02:30:42,866 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:42,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:42,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1372328206, now seen corresponding path program 1 times [2023-12-20 02:30:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:42,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839017942] [2023-12-20 02:30:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:43,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:43,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:43,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839017942] [2023-12-20 02:30:43,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839017942] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:43,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:43,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:30:43,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487402111] [2023-12-20 02:30:43,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:43,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:30:43,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:43,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:30:43,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:30:43,055 INFO L87 Difference]: Start difference. First operand 41516 states and 54067 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2023-12-20 02:30:43,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:43,206 INFO L93 Difference]: Finished difference Result 59363 states and 77259 transitions. [2023-12-20 02:30:43,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:30:43,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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 168 [2023-12-20 02:30:43,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:43,250 INFO L225 Difference]: With dead ends: 59363 [2023-12-20 02:30:43,250 INFO L226 Difference]: Without dead ends: 35943 [2023-12-20 02:30:43,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:30:43,276 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 21 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:43,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1608 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:30:43,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35943 states. [2023-12-20 02:30:43,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35943 to 35943. [2023-12-20 02:30:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35943 states, 35938 states have (on average 1.3019644944070343) internal successors, (46790), 35942 states have internal predecessors, (46790), 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) [2023-12-20 02:30:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35943 states to 35943 states and 46790 transitions. [2023-12-20 02:30:43,781 INFO L78 Accepts]: Start accepts. Automaton has 35943 states and 46790 transitions. Word has length 168 [2023-12-20 02:30:43,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:43,782 INFO L495 AbstractCegarLoop]: Abstraction has 35943 states and 46790 transitions. [2023-12-20 02:30:43,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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) [2023-12-20 02:30:43,782 INFO L276 IsEmpty]: Start isEmpty. Operand 35943 states and 46790 transitions. [2023-12-20 02:30:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:30:43,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:43,801 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] [2023-12-20 02:30:43,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-20 02:30:43,802 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:43,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:43,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1026916521, now seen corresponding path program 1 times [2023-12-20 02:30:43,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:43,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141175616] [2023-12-20 02:30:43,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:43,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:45,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:45,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141175616] [2023-12-20 02:30:45,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141175616] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:45,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:45,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:30:45,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108791918] [2023-12-20 02:30:45,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:45,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-20 02:30:45,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:45,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-20 02:30:45,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2023-12-20 02:30:45,347 INFO L87 Difference]: Start difference. First operand 35943 states and 46790 transitions. Second operand has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 21 states have internal predecessors, (170), 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) [2023-12-20 02:30:52,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:52,635 INFO L93 Difference]: Finished difference Result 82109 states and 112933 transitions. [2023-12-20 02:30:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-20 02:30:52,637 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 21 states have internal predecessors, (170), 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 170 [2023-12-20 02:30:52,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:52,736 INFO L225 Difference]: With dead ends: 82109 [2023-12-20 02:30:52,736 INFO L226 Difference]: Without dead ends: 77689 [2023-12-20 02:30:52,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1282, Invalid=3974, Unknown=0, NotChecked=0, Total=5256 [2023-12-20 02:30:52,751 INFO L413 NwaCegarLoop]: 1234 mSDtfsCounter, 9153 mSDsluCounter, 17636 mSDsCounter, 0 mSdLazyCounter, 6145 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9153 SdHoareTripleChecker+Valid, 18870 SdHoareTripleChecker+Invalid, 6328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 6145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:52,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9153 Valid, 18870 Invalid, 6328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [183 Valid, 6145 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-20 02:30:52,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77689 states. [2023-12-20 02:30:53,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77689 to 37309. [2023-12-20 02:30:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37309 states, 37304 states have (on average 1.2976892558438773) internal successors, (48409), 37308 states have internal predecessors, (48409), 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) [2023-12-20 02:30:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37309 states to 37309 states and 48409 transitions. [2023-12-20 02:30:53,517 INFO L78 Accepts]: Start accepts. Automaton has 37309 states and 48409 transitions. Word has length 170 [2023-12-20 02:30:53,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:53,518 INFO L495 AbstractCegarLoop]: Abstraction has 37309 states and 48409 transitions. [2023-12-20 02:30:53,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7272727272727275) internal successors, (170), 21 states have internal predecessors, (170), 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) [2023-12-20 02:30:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 37309 states and 48409 transitions. [2023-12-20 02:30:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:30:53,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:53,546 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] [2023-12-20 02:30:53,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-20 02:30:53,547 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:53,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1705310020, now seen corresponding path program 1 times [2023-12-20 02:30:53,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:53,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450318389] [2023-12-20 02:30:53,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:53,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:53,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:53,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450318389] [2023-12-20 02:30:53,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450318389] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:53,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:53,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 02:30:53,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341759938] [2023-12-20 02:30:53,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:53,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-20 02:30:53,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:53,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-20 02:30:53,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-20 02:30:53,761 INFO L87 Difference]: Start difference. First operand 37309 states and 48409 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 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) [2023-12-20 02:30:54,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:30:54,348 INFO L93 Difference]: Finished difference Result 60967 states and 80184 transitions. [2023-12-20 02:30:54,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:30:54,349 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 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 170 [2023-12-20 02:30:54,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:30:54,377 INFO L225 Difference]: With dead ends: 60967 [2023-12-20 02:30:54,377 INFO L226 Difference]: Without dead ends: 25884 [2023-12-20 02:30:54,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-12-20 02:30:54,392 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 3674 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3674 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:30:54,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3674 Valid, 575 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:30:54,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25884 states. [2023-12-20 02:30:54,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25884 to 20325. [2023-12-20 02:30:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20325 states, 20320 states have (on average 1.2812007874015747) internal successors, (26034), 20324 states have internal predecessors, (26034), 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) [2023-12-20 02:30:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20325 states to 20325 states and 26034 transitions. [2023-12-20 02:30:54,601 INFO L78 Accepts]: Start accepts. Automaton has 20325 states and 26034 transitions. Word has length 170 [2023-12-20 02:30:54,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:30:54,601 INFO L495 AbstractCegarLoop]: Abstraction has 20325 states and 26034 transitions. [2023-12-20 02:30:54,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 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) [2023-12-20 02:30:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 20325 states and 26034 transitions. [2023-12-20 02:30:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:30:54,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:30:54,614 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] [2023-12-20 02:30:54,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-20 02:30:54,614 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:30:54,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:30:54,614 INFO L85 PathProgramCache]: Analyzing trace with hash -617238689, now seen corresponding path program 1 times [2023-12-20 02:30:54,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:30:54,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666910019] [2023-12-20 02:30:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:30:54,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:30:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:30:56,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:30:56,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:30:56,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666910019] [2023-12-20 02:30:56,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666910019] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:30:56,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:30:56,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-20 02:30:56,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495001035] [2023-12-20 02:30:56,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:30:56,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-20 02:30:56,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:30:56,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-20 02:30:56,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2023-12-20 02:30:56,081 INFO L87 Difference]: Start difference. First operand 20325 states and 26034 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:00,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:00,916 INFO L93 Difference]: Finished difference Result 44711 states and 60458 transitions. [2023-12-20 02:31:00,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-20 02:31:00,917 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:00,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:00,965 INFO L225 Difference]: With dead ends: 44711 [2023-12-20 02:31:00,965 INFO L226 Difference]: Without dead ends: 43399 [2023-12-20 02:31:00,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1055 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=913, Invalid=3643, Unknown=0, NotChecked=0, Total=4556 [2023-12-20 02:31:00,978 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 7618 mSDsluCounter, 14869 mSDsCounter, 0 mSdLazyCounter, 5277 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7618 SdHoareTripleChecker+Valid, 16016 SdHoareTripleChecker+Invalid, 5422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 5277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:00,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7618 Valid, 16016 Invalid, 5422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 5277 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-20 02:31:01,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43399 states. [2023-12-20 02:31:01,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43399 to 21977. [2023-12-20 02:31:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21977 states, 21972 states have (on average 1.274940833788458) internal successors, (28013), 21976 states have internal predecessors, (28013), 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) [2023-12-20 02:31:01,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21977 states to 21977 states and 28013 transitions. [2023-12-20 02:31:01,361 INFO L78 Accepts]: Start accepts. Automaton has 21977 states and 28013 transitions. Word has length 170 [2023-12-20 02:31:01,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:01,376 INFO L495 AbstractCegarLoop]: Abstraction has 21977 states and 28013 transitions. [2023-12-20 02:31:01,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 21977 states and 28013 transitions. [2023-12-20 02:31:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:01,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:01,409 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] [2023-12-20 02:31:01,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-20 02:31:01,409 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:01,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:01,409 INFO L85 PathProgramCache]: Analyzing trace with hash 754482051, now seen corresponding path program 1 times [2023-12-20 02:31:01,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:01,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781562083] [2023-12-20 02:31:01,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:01,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:02,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:02,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781562083] [2023-12-20 02:31:02,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781562083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:02,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:02,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-20 02:31:02,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510117210] [2023-12-20 02:31:02,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:02,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-20 02:31:02,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:02,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-20 02:31:02,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2023-12-20 02:31:02,924 INFO L87 Difference]: Start difference. First operand 21977 states and 28013 transitions. Second operand has 20 states, 20 states have (on average 8.5) internal successors, (170), 19 states have internal predecessors, (170), 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) [2023-12-20 02:31:07,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:07,004 INFO L93 Difference]: Finished difference Result 36134 states and 48117 transitions. [2023-12-20 02:31:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-20 02:31:07,005 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.5) internal successors, (170), 19 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:07,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:07,035 INFO L225 Difference]: With dead ends: 36134 [2023-12-20 02:31:07,036 INFO L226 Difference]: Without dead ends: 32135 [2023-12-20 02:31:07,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2023-12-20 02:31:07,042 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 3133 mSDsluCounter, 11422 mSDsCounter, 0 mSdLazyCounter, 4401 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 12451 SdHoareTripleChecker+Invalid, 4402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:07,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3133 Valid, 12451 Invalid, 4402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4401 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-20 02:31:07,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32135 states. [2023-12-20 02:31:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32135 to 22107. [2023-12-20 02:31:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22107 states, 22102 states have (on average 1.2745905347932314) internal successors, (28171), 22106 states have internal predecessors, (28171), 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) [2023-12-20 02:31:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22107 states to 22107 states and 28171 transitions. [2023-12-20 02:31:07,282 INFO L78 Accepts]: Start accepts. Automaton has 22107 states and 28171 transitions. Word has length 170 [2023-12-20 02:31:07,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:07,282 INFO L495 AbstractCegarLoop]: Abstraction has 22107 states and 28171 transitions. [2023-12-20 02:31:07,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.5) internal successors, (170), 19 states have internal predecessors, (170), 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) [2023-12-20 02:31:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 22107 states and 28171 transitions. [2023-12-20 02:31:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:07,297 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:07,297 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] [2023-12-20 02:31:07,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-20 02:31:07,297 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:07,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:07,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1513083237, now seen corresponding path program 1 times [2023-12-20 02:31:07,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:07,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877376020] [2023-12-20 02:31:07,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:08,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:08,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877376020] [2023-12-20 02:31:08,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877376020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:08,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:08,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-20 02:31:08,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882360334] [2023-12-20 02:31:08,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:08,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-20 02:31:08,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:08,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-20 02:31:08,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2023-12-20 02:31:08,662 INFO L87 Difference]: Start difference. First operand 22107 states and 28171 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:13,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:13,811 INFO L93 Difference]: Finished difference Result 66619 states and 92184 transitions. [2023-12-20 02:31:13,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-20 02:31:13,811 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:13,893 INFO L225 Difference]: With dead ends: 66619 [2023-12-20 02:31:13,893 INFO L226 Difference]: Without dead ends: 64154 [2023-12-20 02:31:13,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1088 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=917, Invalid=3775, Unknown=0, NotChecked=0, Total=4692 [2023-12-20 02:31:13,917 INFO L413 NwaCegarLoop]: 1081 mSDtfsCounter, 10094 mSDsluCounter, 16827 mSDsCounter, 0 mSdLazyCounter, 5578 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10094 SdHoareTripleChecker+Valid, 17908 SdHoareTripleChecker+Invalid, 5816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 5578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:13,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10094 Valid, 17908 Invalid, 5816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [238 Valid, 5578 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-20 02:31:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64154 states. [2023-12-20 02:31:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64154 to 23407. [2023-12-20 02:31:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23407 states, 23402 states have (on average 1.2687377147252372) internal successors, (29691), 23406 states have internal predecessors, (29691), 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) [2023-12-20 02:31:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23407 states to 23407 states and 29691 transitions. [2023-12-20 02:31:14,579 INFO L78 Accepts]: Start accepts. Automaton has 23407 states and 29691 transitions. Word has length 170 [2023-12-20 02:31:14,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:14,579 INFO L495 AbstractCegarLoop]: Abstraction has 23407 states and 29691 transitions. [2023-12-20 02:31:14,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:14,580 INFO L276 IsEmpty]: Start isEmpty. Operand 23407 states and 29691 transitions. [2023-12-20 02:31:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:14,597 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:14,597 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] [2023-12-20 02:31:14,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-20 02:31:14,597 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:14,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:14,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1353563766, now seen corresponding path program 1 times [2023-12-20 02:31:14,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:14,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291924062] [2023-12-20 02:31:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:14,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:14,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:14,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291924062] [2023-12-20 02:31:14,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291924062] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:14,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:14,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 02:31:14,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764430177] [2023-12-20 02:31:14,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:14,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-20 02:31:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:14,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-20 02:31:14,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-20 02:31:14,819 INFO L87 Difference]: Start difference. First operand 23407 states and 29691 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 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) [2023-12-20 02:31:15,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:15,024 INFO L93 Difference]: Finished difference Result 44464 states and 56624 transitions. [2023-12-20 02:31:15,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:31:15,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:15,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:15,050 INFO L225 Difference]: With dead ends: 44464 [2023-12-20 02:31:15,050 INFO L226 Difference]: Without dead ends: 23407 [2023-12-20 02:31:15,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-12-20 02:31:15,067 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 2334 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:15,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 620 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:31:15,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23407 states. [2023-12-20 02:31:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23407 to 23407. [2023-12-20 02:31:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23407 states, 23402 states have (on average 1.2503204854285959) internal successors, (29260), 23406 states have internal predecessors, (29260), 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) [2023-12-20 02:31:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23407 states to 23407 states and 29260 transitions. [2023-12-20 02:31:15,303 INFO L78 Accepts]: Start accepts. Automaton has 23407 states and 29260 transitions. Word has length 170 [2023-12-20 02:31:15,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:15,304 INFO L495 AbstractCegarLoop]: Abstraction has 23407 states and 29260 transitions. [2023-12-20 02:31:15,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 9 states have internal predecessors, (170), 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) [2023-12-20 02:31:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 23407 states and 29260 transitions. [2023-12-20 02:31:15,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:15,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:15,319 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] [2023-12-20 02:31:15,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-20 02:31:15,320 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:15,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:15,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1343352952, now seen corresponding path program 1 times [2023-12-20 02:31:15,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:15,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045900701] [2023-12-20 02:31:15,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:15,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:15,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045900701] [2023-12-20 02:31:15,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045900701] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:15,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:15,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-20 02:31:15,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104329678] [2023-12-20 02:31:15,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:15,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 02:31:15,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:15,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 02:31:15,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-12-20 02:31:15,839 INFO L87 Difference]: Start difference. First operand 23407 states and 29260 transitions. Second operand has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 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) [2023-12-20 02:31:16,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:16,919 INFO L93 Difference]: Finished difference Result 52537 states and 68684 transitions. [2023-12-20 02:31:16,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 02:31:16,920 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:16,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:16,975 INFO L225 Difference]: With dead ends: 52537 [2023-12-20 02:31:16,975 INFO L226 Difference]: Without dead ends: 49084 [2023-12-20 02:31:16,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2023-12-20 02:31:16,995 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 4459 mSDsluCounter, 6444 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4459 SdHoareTripleChecker+Valid, 7201 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:16,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4459 Valid, 7201 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 02:31:17,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49084 states. [2023-12-20 02:31:17,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49084 to 27794. [2023-12-20 02:31:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27794 states, 27789 states have (on average 1.2380798157544353) internal successors, (34405), 27793 states have internal predecessors, (34405), 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) [2023-12-20 02:31:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27794 states to 27794 states and 34405 transitions. [2023-12-20 02:31:17,425 INFO L78 Accepts]: Start accepts. Automaton has 27794 states and 34405 transitions. Word has length 170 [2023-12-20 02:31:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:17,425 INFO L495 AbstractCegarLoop]: Abstraction has 27794 states and 34405 transitions. [2023-12-20 02:31:17,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 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) [2023-12-20 02:31:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 27794 states and 34405 transitions. [2023-12-20 02:31:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:17,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:17,445 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] [2023-12-20 02:31:17,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-20 02:31:17,445 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:17,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:17,446 INFO L85 PathProgramCache]: Analyzing trace with hash 993856680, now seen corresponding path program 1 times [2023-12-20 02:31:17,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:17,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329427785] [2023-12-20 02:31:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:17,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:18,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:18,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329427785] [2023-12-20 02:31:18,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329427785] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:18,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:18,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-12-20 02:31:18,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849084464] [2023-12-20 02:31:18,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:18,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-20 02:31:18,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:18,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-20 02:31:18,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2023-12-20 02:31:18,920 INFO L87 Difference]: Start difference. First operand 27794 states and 34405 transitions. Second operand has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 23 states have internal predecessors, (170), 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) [2023-12-20 02:31:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:25,247 INFO L93 Difference]: Finished difference Result 80325 states and 108950 transitions. [2023-12-20 02:31:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-20 02:31:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 23 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:25,336 INFO L225 Difference]: With dead ends: 80325 [2023-12-20 02:31:25,336 INFO L226 Difference]: Without dead ends: 77922 [2023-12-20 02:31:25,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=839, Invalid=3717, Unknown=0, NotChecked=0, Total=4556 [2023-12-20 02:31:25,359 INFO L413 NwaCegarLoop]: 1344 mSDtfsCounter, 9122 mSDsluCounter, 18990 mSDsCounter, 0 mSdLazyCounter, 6227 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9122 SdHoareTripleChecker+Valid, 20334 SdHoareTripleChecker+Invalid, 6452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 6227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:25,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9122 Valid, 20334 Invalid, 6452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 6227 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-20 02:31:25,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77922 states. [2023-12-20 02:31:25,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77922 to 30340. [2023-12-20 02:31:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30340 states, 30335 states have (on average 1.2325037085874402) internal successors, (37388), 30339 states have internal predecessors, (37388), 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) [2023-12-20 02:31:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30340 states to 30340 states and 37388 transitions. [2023-12-20 02:31:26,007 INFO L78 Accepts]: Start accepts. Automaton has 30340 states and 37388 transitions. Word has length 170 [2023-12-20 02:31:26,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:26,007 INFO L495 AbstractCegarLoop]: Abstraction has 30340 states and 37388 transitions. [2023-12-20 02:31:26,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 23 states have internal predecessors, (170), 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) [2023-12-20 02:31:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 30340 states and 37388 transitions. [2023-12-20 02:31:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:26,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:26,026 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] [2023-12-20 02:31:26,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-20 02:31:26,027 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:26,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:26,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1542246930, now seen corresponding path program 1 times [2023-12-20 02:31:26,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:26,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591073234] [2023-12-20 02:31:26,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:26,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:26,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591073234] [2023-12-20 02:31:26,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591073234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:26,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:26,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:31:26,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887524678] [2023-12-20 02:31:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:26,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 02:31:26,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:26,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 02:31:26,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-20 02:31:26,499 INFO L87 Difference]: Start difference. First operand 30340 states and 37388 transitions. Second operand has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 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) [2023-12-20 02:31:28,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:28,240 INFO L93 Difference]: Finished difference Result 51506 states and 65575 transitions. [2023-12-20 02:31:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-20 02:31:28,241 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:28,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:28,285 INFO L225 Difference]: With dead ends: 51506 [2023-12-20 02:31:28,286 INFO L226 Difference]: Without dead ends: 47833 [2023-12-20 02:31:28,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=353, Invalid=979, Unknown=0, NotChecked=0, Total=1332 [2023-12-20 02:31:28,300 INFO L413 NwaCegarLoop]: 1244 mSDtfsCounter, 4165 mSDsluCounter, 8730 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4165 SdHoareTripleChecker+Valid, 9974 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:28,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4165 Valid, 9974 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2072 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-20 02:31:28,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47833 states. [2023-12-20 02:31:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47833 to 37148. [2023-12-20 02:31:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37148 states, 37143 states have (on average 1.2197183856985165) internal successors, (45304), 37147 states have internal predecessors, (45304), 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) [2023-12-20 02:31:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37148 states to 37148 states and 45304 transitions. [2023-12-20 02:31:28,870 INFO L78 Accepts]: Start accepts. Automaton has 37148 states and 45304 transitions. Word has length 170 [2023-12-20 02:31:28,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:28,870 INFO L495 AbstractCegarLoop]: Abstraction has 37148 states and 45304 transitions. [2023-12-20 02:31:28,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 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) [2023-12-20 02:31:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 37148 states and 45304 transitions. [2023-12-20 02:31:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:28,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:28,902 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] [2023-12-20 02:31:28,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-20 02:31:28,902 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:28,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:28,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1010960923, now seen corresponding path program 1 times [2023-12-20 02:31:28,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:28,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285169821] [2023-12-20 02:31:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:29,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:29,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285169821] [2023-12-20 02:31:29,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285169821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:29,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:29,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:31:29,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309105587] [2023-12-20 02:31:29,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:29,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 02:31:29,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:29,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 02:31:29,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-12-20 02:31:29,373 INFO L87 Difference]: Start difference. First operand 37148 states and 45304 transitions. Second operand has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 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) [2023-12-20 02:31:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:30,620 INFO L93 Difference]: Finished difference Result 83132 states and 107692 transitions. [2023-12-20 02:31:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-20 02:31:30,620 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:30,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:30,719 INFO L225 Difference]: With dead ends: 83132 [2023-12-20 02:31:30,719 INFO L226 Difference]: Without dead ends: 79679 [2023-12-20 02:31:30,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2023-12-20 02:31:30,750 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 6339 mSDsluCounter, 9835 mSDsCounter, 0 mSdLazyCounter, 2046 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6339 SdHoareTripleChecker+Valid, 10988 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:30,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6339 Valid, 10988 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2046 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 02:31:30,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79679 states. [2023-12-20 02:31:31,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79679 to 41654. [2023-12-20 02:31:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41654 states, 41649 states have (on average 1.214627001848784) internal successors, (50588), 41653 states have internal predecessors, (50588), 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) [2023-12-20 02:31:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41654 states to 41654 states and 50588 transitions. [2023-12-20 02:31:31,400 INFO L78 Accepts]: Start accepts. Automaton has 41654 states and 50588 transitions. Word has length 170 [2023-12-20 02:31:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:31,400 INFO L495 AbstractCegarLoop]: Abstraction has 41654 states and 50588 transitions. [2023-12-20 02:31:31,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.625) internal successors, (170), 15 states have internal predecessors, (170), 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) [2023-12-20 02:31:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 41654 states and 50588 transitions. [2023-12-20 02:31:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:31,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:31,433 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] [2023-12-20 02:31:31,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-20 02:31:31,433 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:31,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:31,433 INFO L85 PathProgramCache]: Analyzing trace with hash 661033675, now seen corresponding path program 1 times [2023-12-20 02:31:31,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:31,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316149248] [2023-12-20 02:31:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:31,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:32,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:32,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:32,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316149248] [2023-12-20 02:31:32,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316149248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:32,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:32,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-20 02:31:32,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387910310] [2023-12-20 02:31:32,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:32,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:31:32,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:32,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:31:32,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:31:32,869 INFO L87 Difference]: Start difference. First operand 41654 states and 50588 transitions. Second operand has 21 states, 21 states have (on average 8.095238095238095) internal successors, (170), 20 states have internal predecessors, (170), 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) [2023-12-20 02:31:36,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:36,674 INFO L93 Difference]: Finished difference Result 64223 states and 80926 transitions. [2023-12-20 02:31:36,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-20 02:31:36,674 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.095238095238095) internal successors, (170), 20 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:36,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:36,797 INFO L225 Difference]: With dead ends: 64223 [2023-12-20 02:31:36,797 INFO L226 Difference]: Without dead ends: 57792 [2023-12-20 02:31:36,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=305, Invalid=1255, Unknown=0, NotChecked=0, Total=1560 [2023-12-20 02:31:36,809 INFO L413 NwaCegarLoop]: 1347 mSDtfsCounter, 4048 mSDsluCounter, 15037 mSDsCounter, 0 mSdLazyCounter, 5313 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4048 SdHoareTripleChecker+Valid, 16384 SdHoareTripleChecker+Invalid, 5324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 5313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:36,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4048 Valid, 16384 Invalid, 5324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 5313 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-20 02:31:36,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57792 states. [2023-12-20 02:31:37,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57792 to 41629. [2023-12-20 02:31:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41629 states, 41624 states have (on average 1.214251393426869) internal successors, (50542), 41628 states have internal predecessors, (50542), 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) [2023-12-20 02:31:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41629 states to 41629 states and 50542 transitions. [2023-12-20 02:31:37,385 INFO L78 Accepts]: Start accepts. Automaton has 41629 states and 50542 transitions. Word has length 170 [2023-12-20 02:31:37,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:37,385 INFO L495 AbstractCegarLoop]: Abstraction has 41629 states and 50542 transitions. [2023-12-20 02:31:37,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.095238095238095) internal successors, (170), 20 states have internal predecessors, (170), 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) [2023-12-20 02:31:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 41629 states and 50542 transitions. [2023-12-20 02:31:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:37,418 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:37,418 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] [2023-12-20 02:31:37,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-20 02:31:37,418 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:37,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:37,419 INFO L85 PathProgramCache]: Analyzing trace with hash -305903572, now seen corresponding path program 1 times [2023-12-20 02:31:37,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:37,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648483341] [2023-12-20 02:31:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:38,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648483341] [2023-12-20 02:31:38,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648483341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:38,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:38,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-20 02:31:38,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825368971] [2023-12-20 02:31:38,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:38,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-20 02:31:38,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:38,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-20 02:31:38,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2023-12-20 02:31:38,709 INFO L87 Difference]: Start difference. First operand 41629 states and 50542 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:45,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:45,419 INFO L93 Difference]: Finished difference Result 74206 states and 94939 transitions. [2023-12-20 02:31:45,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-20 02:31:45,419 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:45,493 INFO L225 Difference]: With dead ends: 74206 [2023-12-20 02:31:45,493 INFO L226 Difference]: Without dead ends: 71154 [2023-12-20 02:31:45,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1201, Invalid=4201, Unknown=0, NotChecked=0, Total=5402 [2023-12-20 02:31:45,506 INFO L413 NwaCegarLoop]: 1418 mSDtfsCounter, 7400 mSDsluCounter, 17950 mSDsCounter, 0 mSdLazyCounter, 6171 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7400 SdHoareTripleChecker+Valid, 19368 SdHoareTripleChecker+Invalid, 6353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 6171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:45,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7400 Valid, 19368 Invalid, 6353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 6171 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-20 02:31:45,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71154 states. [2023-12-20 02:31:46,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71154 to 43240. [2023-12-20 02:31:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43240 states, 43235 states have (on average 1.2096680929802244) internal successors, (52300), 43239 states have internal predecessors, (52300), 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) [2023-12-20 02:31:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43240 states to 43240 states and 52300 transitions. [2023-12-20 02:31:46,121 INFO L78 Accepts]: Start accepts. Automaton has 43240 states and 52300 transitions. Word has length 170 [2023-12-20 02:31:46,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:46,121 INFO L495 AbstractCegarLoop]: Abstraction has 43240 states and 52300 transitions. [2023-12-20 02:31:46,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 43240 states and 52300 transitions. [2023-12-20 02:31:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-20 02:31:46,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:46,155 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] [2023-12-20 02:31:46,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-20 02:31:46,155 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:46,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:46,156 INFO L85 PathProgramCache]: Analyzing trace with hash 243515556, now seen corresponding path program 1 times [2023-12-20 02:31:46,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:46,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917366089] [2023-12-20 02:31:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:47,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:47,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917366089] [2023-12-20 02:31:47,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917366089] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:47,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:47,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-20 02:31:47,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4867982] [2023-12-20 02:31:47,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:47,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-20 02:31:47,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:47,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-20 02:31:47,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2023-12-20 02:31:47,491 INFO L87 Difference]: Start difference. First operand 43240 states and 52300 transitions. Second operand has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:52,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:52,333 INFO L93 Difference]: Finished difference Result 65322 states and 81876 transitions. [2023-12-20 02:31:52,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-20 02:31:52,334 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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 170 [2023-12-20 02:31:52,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:52,413 INFO L225 Difference]: With dead ends: 65322 [2023-12-20 02:31:52,413 INFO L226 Difference]: Without dead ends: 63586 [2023-12-20 02:31:52,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=750, Invalid=2790, Unknown=0, NotChecked=0, Total=3540 [2023-12-20 02:31:52,434 INFO L413 NwaCegarLoop]: 1249 mSDtfsCounter, 5832 mSDsluCounter, 14161 mSDsCounter, 0 mSdLazyCounter, 4986 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5832 SdHoareTripleChecker+Valid, 15410 SdHoareTripleChecker+Invalid, 5100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 4986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:52,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5832 Valid, 15410 Invalid, 5100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 4986 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-20 02:31:52,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63586 states. [2023-12-20 02:31:52,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63586 to 45090. [2023-12-20 02:31:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45090 states, 45085 states have (on average 1.2074304092270156) internal successors, (54437), 45089 states have internal predecessors, (54437), 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) [2023-12-20 02:31:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45090 states to 45090 states and 54437 transitions. [2023-12-20 02:31:53,038 INFO L78 Accepts]: Start accepts. Automaton has 45090 states and 54437 transitions. Word has length 170 [2023-12-20 02:31:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:53,038 INFO L495 AbstractCegarLoop]: Abstraction has 45090 states and 54437 transitions. [2023-12-20 02:31:53,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.391304347826087) internal successors, (170), 22 states have internal predecessors, (170), 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) [2023-12-20 02:31:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 45090 states and 54437 transitions. [2023-12-20 02:31:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-20 02:31:53,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:53,078 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] [2023-12-20 02:31:53,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-20 02:31:53,078 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:53,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash -9733633, now seen corresponding path program 1 times [2023-12-20 02:31:53,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:53,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009023690] [2023-12-20 02:31:53,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:53,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:53,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:53,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009023690] [2023-12-20 02:31:53,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009023690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:53,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:53,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:53,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604442148] [2023-12-20 02:31:53,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:53,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:53,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:53,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:53,117 INFO L87 Difference]: Start difference. First operand 45090 states and 54437 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:53,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:53,318 INFO L93 Difference]: Finished difference Result 72154 states and 87610 transitions. [2023-12-20 02:31:53,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:53,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2023-12-20 02:31:53,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:53,367 INFO L225 Difference]: With dead ends: 72154 [2023-12-20 02:31:53,368 INFO L226 Difference]: Without dead ends: 44886 [2023-12-20 02:31:53,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:53,393 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 427 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:53,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 552 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:31:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44886 states. [2023-12-20 02:31:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44886 to 43770. [2023-12-20 02:31:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43770 states, 43765 states have (on average 1.2017593967782474) internal successors, (52595), 43769 states have internal predecessors, (52595), 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) [2023-12-20 02:31:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43770 states to 43770 states and 52595 transitions. [2023-12-20 02:31:54,258 INFO L78 Accepts]: Start accepts. Automaton has 43770 states and 52595 transitions. Word has length 171 [2023-12-20 02:31:54,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:54,258 INFO L495 AbstractCegarLoop]: Abstraction has 43770 states and 52595 transitions. [2023-12-20 02:31:54,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 43770 states and 52595 transitions. [2023-12-20 02:31:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-20 02:31:54,296 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:54,296 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] [2023-12-20 02:31:54,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-20 02:31:54,296 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:54,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1708439056, now seen corresponding path program 1 times [2023-12-20 02:31:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:54,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591461377] [2023-12-20 02:31:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:54,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:54,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:54,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:54,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591461377] [2023-12-20 02:31:54,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591461377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:54,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:54,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:54,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506113188] [2023-12-20 02:31:54,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:54,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:54,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:54,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:54,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:54,337 INFO L87 Difference]: Start difference. First operand 43770 states and 52595 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:54,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:54,553 INFO L93 Difference]: Finished difference Result 70599 states and 85617 transitions. [2023-12-20 02:31:54,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:54,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2023-12-20 02:31:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:54,602 INFO L225 Difference]: With dead ends: 70599 [2023-12-20 02:31:54,603 INFO L226 Difference]: Without dead ends: 43402 [2023-12-20 02:31:54,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:54,627 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 414 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:54,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 633 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:31:54,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43402 states. [2023-12-20 02:31:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43402 to 41342. [2023-12-20 02:31:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41342 states, 41337 states have (on average 1.198490456491763) internal successors, (49542), 41341 states have internal predecessors, (49542), 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) [2023-12-20 02:31:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41342 states to 41342 states and 49542 transitions. [2023-12-20 02:31:55,167 INFO L78 Accepts]: Start accepts. Automaton has 41342 states and 49542 transitions. Word has length 171 [2023-12-20 02:31:55,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:55,167 INFO L495 AbstractCegarLoop]: Abstraction has 41342 states and 49542 transitions. [2023-12-20 02:31:55,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 41342 states and 49542 transitions. [2023-12-20 02:31:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-20 02:31:55,202 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:55,202 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] [2023-12-20 02:31:55,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-20 02:31:55,203 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:55,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:55,203 INFO L85 PathProgramCache]: Analyzing trace with hash -776330530, now seen corresponding path program 1 times [2023-12-20 02:31:55,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:55,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304497200] [2023-12-20 02:31:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:55,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:55,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:55,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304497200] [2023-12-20 02:31:55,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304497200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:55,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:55,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:55,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843198081] [2023-12-20 02:31:55,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:55,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:55,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:55,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:55,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:55,292 INFO L87 Difference]: Start difference. First operand 41342 states and 49542 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:55,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:55,628 INFO L93 Difference]: Finished difference Result 64108 states and 77182 transitions. [2023-12-20 02:31:55,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:55,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2023-12-20 02:31:55,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:55,669 INFO L225 Difference]: With dead ends: 64108 [2023-12-20 02:31:55,669 INFO L226 Difference]: Without dead ends: 38368 [2023-12-20 02:31:55,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:55,685 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 394 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:55,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 490 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 02:31:55,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38368 states. [2023-12-20 02:31:56,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38368 to 38264. [2023-12-20 02:31:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38264 states, 38259 states have (on average 1.19451632295669) internal successors, (45701), 38263 states have internal predecessors, (45701), 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) [2023-12-20 02:31:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38264 states to 38264 states and 45701 transitions. [2023-12-20 02:31:56,266 INFO L78 Accepts]: Start accepts. Automaton has 38264 states and 45701 transitions. Word has length 171 [2023-12-20 02:31:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:56,266 INFO L495 AbstractCegarLoop]: Abstraction has 38264 states and 45701 transitions. [2023-12-20 02:31:56,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 38264 states and 45701 transitions. [2023-12-20 02:31:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-20 02:31:56,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:56,300 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] [2023-12-20 02:31:56,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-20 02:31:56,300 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:56,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:56,300 INFO L85 PathProgramCache]: Analyzing trace with hash -95756233, now seen corresponding path program 1 times [2023-12-20 02:31:56,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:56,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457737110] [2023-12-20 02:31:56,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:56,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:56,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:56,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457737110] [2023-12-20 02:31:56,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457737110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:56,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:56,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:56,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835242468] [2023-12-20 02:31:56,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:56,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:56,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:56,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:56,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:56,342 INFO L87 Difference]: Start difference. First operand 38264 states and 45701 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:56,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:56,510 INFO L93 Difference]: Finished difference Result 53794 states and 64873 transitions. [2023-12-20 02:31:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:56,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2023-12-20 02:31:56,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:56,548 INFO L225 Difference]: With dead ends: 53794 [2023-12-20 02:31:56,548 INFO L226 Difference]: Without dead ends: 32774 [2023-12-20 02:31:56,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:56,567 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 390 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:56,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 473 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:31:56,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32774 states. [2023-12-20 02:31:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32774 to 32670. [2023-12-20 02:31:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32670 states, 32665 states have (on average 1.1905403336904945) internal successors, (38889), 32669 states have internal predecessors, (38889), 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) [2023-12-20 02:31:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32670 states to 32670 states and 38889 transitions. [2023-12-20 02:31:56,990 INFO L78 Accepts]: Start accepts. Automaton has 32670 states and 38889 transitions. Word has length 171 [2023-12-20 02:31:56,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:56,990 INFO L495 AbstractCegarLoop]: Abstraction has 32670 states and 38889 transitions. [2023-12-20 02:31:56,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:56,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32670 states and 38889 transitions. [2023-12-20 02:31:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-20 02:31:57,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:57,018 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] [2023-12-20 02:31:57,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-20 02:31:57,019 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:57,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:57,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1518065510, now seen corresponding path program 1 times [2023-12-20 02:31:57,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:57,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672770837] [2023-12-20 02:31:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:57,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:57,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672770837] [2023-12-20 02:31:57,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672770837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:57,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:57,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:57,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362814565] [2023-12-20 02:31:57,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:57,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:57,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:57,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:57,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:57,073 INFO L87 Difference]: Start difference. First operand 32670 states and 38889 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:57,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:57,249 INFO L93 Difference]: Finished difference Result 54098 states and 64825 transitions. [2023-12-20 02:31:57,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:57,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2023-12-20 02:31:57,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:57,287 INFO L225 Difference]: With dead ends: 54098 [2023-12-20 02:31:57,287 INFO L226 Difference]: Without dead ends: 31480 [2023-12-20 02:31:57,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:57,309 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 388 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:57,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 530 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:31:57,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31480 states. [2023-12-20 02:31:57,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31480 to 30388. [2023-12-20 02:31:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30388 states, 30383 states have (on average 1.18559720896554) internal successors, (36022), 30387 states have internal predecessors, (36022), 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) [2023-12-20 02:31:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30388 states to 30388 states and 36022 transitions. [2023-12-20 02:31:57,766 INFO L78 Accepts]: Start accepts. Automaton has 30388 states and 36022 transitions. Word has length 171 [2023-12-20 02:31:57,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:57,767 INFO L495 AbstractCegarLoop]: Abstraction has 30388 states and 36022 transitions. [2023-12-20 02:31:57,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 30388 states and 36022 transitions. [2023-12-20 02:31:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-12-20 02:31:57,794 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:57,794 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] [2023-12-20 02:31:57,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-20 02:31:57,795 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:57,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:57,795 INFO L85 PathProgramCache]: Analyzing trace with hash 262105331, now seen corresponding path program 1 times [2023-12-20 02:31:57,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:57,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011688937] [2023-12-20 02:31:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:57,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011688937] [2023-12-20 02:31:57,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011688937] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:57,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:57,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746544172] [2023-12-20 02:31:57,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:57,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:57,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:57,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:57,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:57,834 INFO L87 Difference]: Start difference. First operand 30388 states and 36022 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:57,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:57,989 INFO L93 Difference]: Finished difference Result 44340 states and 53577 transitions. [2023-12-20 02:31:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:57,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2023-12-20 02:31:57,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:58,021 INFO L225 Difference]: With dead ends: 44340 [2023-12-20 02:31:58,021 INFO L226 Difference]: Without dead ends: 27585 [2023-12-20 02:31:58,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:58,038 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 392 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:58,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 562 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:31:58,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27585 states. [2023-12-20 02:31:58,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27585 to 25633. [2023-12-20 02:31:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25633 states, 25628 states have (on average 1.1880755423755267) internal successors, (30448), 25632 states have internal predecessors, (30448), 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) [2023-12-20 02:31:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25633 states to 25633 states and 30448 transitions. [2023-12-20 02:31:58,466 INFO L78 Accepts]: Start accepts. Automaton has 25633 states and 30448 transitions. Word has length 171 [2023-12-20 02:31:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:58,466 INFO L495 AbstractCegarLoop]: Abstraction has 25633 states and 30448 transitions. [2023-12-20 02:31:58,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2023-12-20 02:31:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 25633 states and 30448 transitions. [2023-12-20 02:31:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-20 02:31:58,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:58,482 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] [2023-12-20 02:31:58,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-20 02:31:58,483 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:58,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:58,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1474283592, now seen corresponding path program 1 times [2023-12-20 02:31:58,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:58,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004201163] [2023-12-20 02:31:58,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:58,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:58,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:58,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004201163] [2023-12-20 02:31:58,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004201163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:58,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:58,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:58,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968491257] [2023-12-20 02:31:58,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:58,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:58,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:58,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:58,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:58,524 INFO L87 Difference]: Start difference. First operand 25633 states and 30448 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:31:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:58,601 INFO L93 Difference]: Finished difference Result 32985 states and 39074 transitions. [2023-12-20 02:31:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:58,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 175 [2023-12-20 02:31:58,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:58,633 INFO L225 Difference]: With dead ends: 32985 [2023-12-20 02:31:58,633 INFO L226 Difference]: Without dead ends: 25423 [2023-12-20 02:31:58,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:58,647 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 346 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:58,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 994 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:31:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25423 states. [2023-12-20 02:31:59,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25423 to 25265. [2023-12-20 02:31:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25265 states, 25260 states have (on average 1.1817498020585906) internal successors, (29851), 25264 states have internal predecessors, (29851), 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) [2023-12-20 02:31:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25265 states to 25265 states and 29851 transitions. [2023-12-20 02:31:59,054 INFO L78 Accepts]: Start accepts. Automaton has 25265 states and 29851 transitions. Word has length 175 [2023-12-20 02:31:59,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:59,054 INFO L495 AbstractCegarLoop]: Abstraction has 25265 states and 29851 transitions. [2023-12-20 02:31:59,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:31:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 25265 states and 29851 transitions. [2023-12-20 02:31:59,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-20 02:31:59,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:59,070 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] [2023-12-20 02:31:59,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-20 02:31:59,070 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:59,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:59,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1042786290, now seen corresponding path program 1 times [2023-12-20 02:31:59,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:59,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294278821] [2023-12-20 02:31:59,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:59,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:59,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:59,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294278821] [2023-12-20 02:31:59,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294278821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:59,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:59,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:59,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330201086] [2023-12-20 02:31:59,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:59,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:59,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:59,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:59,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:59,117 INFO L87 Difference]: Start difference. First operand 25265 states and 29851 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:31:59,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:59,185 INFO L93 Difference]: Finished difference Result 29973 states and 35501 transitions. [2023-12-20 02:31:59,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:59,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 175 [2023-12-20 02:31:59,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:59,207 INFO L225 Difference]: With dead ends: 29973 [2023-12-20 02:31:59,207 INFO L226 Difference]: Without dead ends: 23141 [2023-12-20 02:31:59,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:59,216 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 333 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:59,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 988 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:31:59,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23141 states. [2023-12-20 02:31:59,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23141 to 22954. [2023-12-20 02:31:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22954 states, 22949 states have (on average 1.181968713233692) internal successors, (27125), 22953 states have internal predecessors, (27125), 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) [2023-12-20 02:31:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22954 states to 22954 states and 27125 transitions. [2023-12-20 02:31:59,518 INFO L78 Accepts]: Start accepts. Automaton has 22954 states and 27125 transitions. Word has length 175 [2023-12-20 02:31:59,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:59,518 INFO L495 AbstractCegarLoop]: Abstraction has 22954 states and 27125 transitions. [2023-12-20 02:31:59,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:31:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand 22954 states and 27125 transitions. [2023-12-20 02:31:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-20 02:31:59,532 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:59,532 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] [2023-12-20 02:31:59,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-20 02:31:59,532 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:59,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:59,533 INFO L85 PathProgramCache]: Analyzing trace with hash 501912612, now seen corresponding path program 1 times [2023-12-20 02:31:59,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:59,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980711773] [2023-12-20 02:31:59,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:59,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:59,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:59,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980711773] [2023-12-20 02:31:59,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980711773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:59,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:59,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:59,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382416255] [2023-12-20 02:31:59,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:59,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:59,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:59,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:59,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:59,576 INFO L87 Difference]: Start difference. First operand 22954 states and 27125 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:31:59,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:31:59,639 INFO L93 Difference]: Finished difference Result 26484 states and 31481 transitions. [2023-12-20 02:31:59,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:31:59,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 175 [2023-12-20 02:31:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:31:59,658 INFO L225 Difference]: With dead ends: 26484 [2023-12-20 02:31:59,658 INFO L226 Difference]: Without dead ends: 21048 [2023-12-20 02:31:59,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:59,666 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 330 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:31:59,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1001 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:31:59,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21048 states. [2023-12-20 02:31:59,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21048 to 20986. [2023-12-20 02:31:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20986 states, 20981 states have (on average 1.1840236404365856) internal successors, (24842), 20985 states have internal predecessors, (24842), 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) [2023-12-20 02:31:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20986 states to 20986 states and 24842 transitions. [2023-12-20 02:31:59,835 INFO L78 Accepts]: Start accepts. Automaton has 20986 states and 24842 transitions. Word has length 175 [2023-12-20 02:31:59,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:31:59,836 INFO L495 AbstractCegarLoop]: Abstraction has 20986 states and 24842 transitions. [2023-12-20 02:31:59,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:31:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 20986 states and 24842 transitions. [2023-12-20 02:31:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-20 02:31:59,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:31:59,849 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] [2023-12-20 02:31:59,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-20 02:31:59,849 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:31:59,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:31:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash 546685286, now seen corresponding path program 1 times [2023-12-20 02:31:59,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:31:59,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435313289] [2023-12-20 02:31:59,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:31:59,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:31:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:31:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:31:59,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:31:59,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435313289] [2023-12-20 02:31:59,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435313289] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:31:59,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:31:59,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:31:59,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165320482] [2023-12-20 02:31:59,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:31:59,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:31:59,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:31:59,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:31:59,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:31:59,996 INFO L87 Difference]: Start difference. First operand 20986 states and 24842 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:32:00,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:00,068 INFO L93 Difference]: Finished difference Result 26585 states and 31488 transitions. [2023-12-20 02:32:00,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:32:00,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 175 [2023-12-20 02:32:00,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:00,088 INFO L225 Difference]: With dead ends: 26585 [2023-12-20 02:32:00,088 INFO L226 Difference]: Without dead ends: 20911 [2023-12-20 02:32:00,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:32:00,096 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 323 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:00,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1203 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:32:00,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20911 states. [2023-12-20 02:32:00,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20911 to 20819. [2023-12-20 02:32:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20819 states, 20814 states have (on average 1.1773325646199673) internal successors, (24505), 20818 states have internal predecessors, (24505), 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) [2023-12-20 02:32:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20819 states to 20819 states and 24505 transitions. [2023-12-20 02:32:00,272 INFO L78 Accepts]: Start accepts. Automaton has 20819 states and 24505 transitions. Word has length 175 [2023-12-20 02:32:00,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:00,272 INFO L495 AbstractCegarLoop]: Abstraction has 20819 states and 24505 transitions. [2023-12-20 02:32:00,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:32:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 20819 states and 24505 transitions. [2023-12-20 02:32:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-20 02:32:00,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:00,285 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] [2023-12-20 02:32:00,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-20 02:32:00,285 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:00,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1079627234, now seen corresponding path program 1 times [2023-12-20 02:32:00,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:00,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749813526] [2023-12-20 02:32:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:00,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:00,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:00,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749813526] [2023-12-20 02:32:00,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749813526] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:00,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:00,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:32:00,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252979041] [2023-12-20 02:32:00,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:00,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:32:00,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:00,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:32:00,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:32:00,333 INFO L87 Difference]: Start difference. First operand 20819 states and 24505 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:32:00,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:00,394 INFO L93 Difference]: Finished difference Result 26371 states and 31071 transitions. [2023-12-20 02:32:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:32:00,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 175 [2023-12-20 02:32:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:00,415 INFO L225 Difference]: With dead ends: 26371 [2023-12-20 02:32:00,415 INFO L226 Difference]: Without dead ends: 20629 [2023-12-20 02:32:00,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:32:00,428 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 339 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:00,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 1229 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:32:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20629 states. [2023-12-20 02:32:00,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20629 to 20565. [2023-12-20 02:32:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20565 states, 20560 states have (on average 1.1705739299610896) internal successors, (24067), 20564 states have internal predecessors, (24067), 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) [2023-12-20 02:32:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20565 states to 20565 states and 24067 transitions. [2023-12-20 02:32:00,701 INFO L78 Accepts]: Start accepts. Automaton has 20565 states and 24067 transitions. Word has length 175 [2023-12-20 02:32:00,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:00,702 INFO L495 AbstractCegarLoop]: Abstraction has 20565 states and 24067 transitions. [2023-12-20 02:32:00,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:32:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 20565 states and 24067 transitions. [2023-12-20 02:32:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-20 02:32:00,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:00,715 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] [2023-12-20 02:32:00,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-20 02:32:00,715 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:00,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:00,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1120309466, now seen corresponding path program 1 times [2023-12-20 02:32:00,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:00,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346851867] [2023-12-20 02:32:00,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:00,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:00,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:00,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346851867] [2023-12-20 02:32:00,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346851867] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:00,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:00,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:32:00,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260319547] [2023-12-20 02:32:00,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:00,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:32:00,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:00,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:32:00,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:32:00,758 INFO L87 Difference]: Start difference. First operand 20565 states and 24067 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:32:00,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:00,817 INFO L93 Difference]: Finished difference Result 26264 states and 30705 transitions. [2023-12-20 02:32:00,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:32:00,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 175 [2023-12-20 02:32:00,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:00,837 INFO L225 Difference]: With dead ends: 26264 [2023-12-20 02:32:00,837 INFO L226 Difference]: Without dead ends: 20305 [2023-12-20 02:32:00,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:32:00,847 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 340 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:00,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1209 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:32:00,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20305 states. [2023-12-20 02:32:01,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20305 to 20174. [2023-12-20 02:32:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20174 states, 20169 states have (on average 1.1643611482968912) internal successors, (23484), 20173 states have internal predecessors, (23484), 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) [2023-12-20 02:32:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20174 states to 20174 states and 23484 transitions. [2023-12-20 02:32:01,104 INFO L78 Accepts]: Start accepts. Automaton has 20174 states and 23484 transitions. Word has length 175 [2023-12-20 02:32:01,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:01,104 INFO L495 AbstractCegarLoop]: Abstraction has 20174 states and 23484 transitions. [2023-12-20 02:32:01,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2023-12-20 02:32:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 20174 states and 23484 transitions. [2023-12-20 02:32:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:01,116 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:01,116 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] [2023-12-20 02:32:01,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-20 02:32:01,116 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:01,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:01,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1080778813, now seen corresponding path program 1 times [2023-12-20 02:32:01,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:01,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649975151] [2023-12-20 02:32:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:01,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:01,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:01,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649975151] [2023-12-20 02:32:01,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649975151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:01,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:01,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-20 02:32:01,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388282088] [2023-12-20 02:32:01,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:01,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-20 02:32:01,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:01,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-20 02:32:01,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2023-12-20 02:32:01,853 INFO L87 Difference]: Start difference. First operand 20174 states and 23484 transitions. Second operand has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 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) [2023-12-20 02:32:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:03,965 INFO L93 Difference]: Finished difference Result 25391 states and 30377 transitions. [2023-12-20 02:32:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-20 02:32:03,966 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:03,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:03,986 INFO L225 Difference]: With dead ends: 25391 [2023-12-20 02:32:03,986 INFO L226 Difference]: Without dead ends: 23150 [2023-12-20 02:32:03,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=369, Invalid=1353, Unknown=0, NotChecked=0, Total=1722 [2023-12-20 02:32:03,991 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 3274 mSDsluCounter, 9714 mSDsCounter, 0 mSdLazyCounter, 3218 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 10500 SdHoareTripleChecker+Invalid, 3266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:03,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3274 Valid, 10500 Invalid, 3266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3218 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 02:32:04,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23150 states. [2023-12-20 02:32:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23150 to 19840. [2023-12-20 02:32:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19840 states, 19835 states have (on average 1.1657675825560878) internal successors, (23123), 19839 states have internal predecessors, (23123), 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) [2023-12-20 02:32:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19840 states to 19840 states and 23123 transitions. [2023-12-20 02:32:04,170 INFO L78 Accepts]: Start accepts. Automaton has 19840 states and 23123 transitions. Word has length 176 [2023-12-20 02:32:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:04,170 INFO L495 AbstractCegarLoop]: Abstraction has 19840 states and 23123 transitions. [2023-12-20 02:32:04,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 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) [2023-12-20 02:32:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 19840 states and 23123 transitions. [2023-12-20 02:32:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:04,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:04,182 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] [2023-12-20 02:32:04,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-20 02:32:04,182 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:04,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:04,182 INFO L85 PathProgramCache]: Analyzing trace with hash -443234736, now seen corresponding path program 1 times [2023-12-20 02:32:04,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:04,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390051410] [2023-12-20 02:32:04,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:04,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:05,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:05,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:05,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390051410] [2023-12-20 02:32:05,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390051410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:05,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:05,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-20 02:32:05,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941317247] [2023-12-20 02:32:05,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:05,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-20 02:32:05,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:05,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-20 02:32:05,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-12-20 02:32:05,528 INFO L87 Difference]: Start difference. First operand 19840 states and 23123 transitions. Second operand has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 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) [2023-12-20 02:32:10,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:10,175 INFO L93 Difference]: Finished difference Result 24851 states and 29864 transitions. [2023-12-20 02:32:10,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-20 02:32:10,181 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:10,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:10,203 INFO L225 Difference]: With dead ends: 24851 [2023-12-20 02:32:10,203 INFO L226 Difference]: Without dead ends: 23408 [2023-12-20 02:32:10,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=532, Invalid=2330, Unknown=0, NotChecked=0, Total=2862 [2023-12-20 02:32:10,210 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 2144 mSDsluCounter, 14498 mSDsCounter, 0 mSdLazyCounter, 5180 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 15545 SdHoareTripleChecker+Invalid, 5204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:10,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 15545 Invalid, 5204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 5180 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-20 02:32:10,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23408 states. [2023-12-20 02:32:10,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23408 to 20184. [2023-12-20 02:32:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20184 states, 20179 states have (on average 1.1636850190792407) internal successors, (23482), 20183 states have internal predecessors, (23482), 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) [2023-12-20 02:32:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20184 states to 20184 states and 23482 transitions. [2023-12-20 02:32:10,405 INFO L78 Accepts]: Start accepts. Automaton has 20184 states and 23482 transitions. Word has length 176 [2023-12-20 02:32:10,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:10,405 INFO L495 AbstractCegarLoop]: Abstraction has 20184 states and 23482 transitions. [2023-12-20 02:32:10,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 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) [2023-12-20 02:32:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 20184 states and 23482 transitions. [2023-12-20 02:32:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:10,417 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:10,417 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] [2023-12-20 02:32:10,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-20 02:32:10,417 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:10,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:10,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1204500796, now seen corresponding path program 1 times [2023-12-20 02:32:10,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:10,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796549120] [2023-12-20 02:32:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:10,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:10,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:10,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796549120] [2023-12-20 02:32:10,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796549120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:10,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:10,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-20 02:32:10,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430234866] [2023-12-20 02:32:10,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:10,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-20 02:32:10,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:10,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-20 02:32:10,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-12-20 02:32:10,959 INFO L87 Difference]: Start difference. First operand 20184 states and 23482 transitions. Second operand has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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) [2023-12-20 02:32:12,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:12,115 INFO L93 Difference]: Finished difference Result 26121 states and 31329 transitions. [2023-12-20 02:32:12,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-20 02:32:12,115 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:12,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:12,140 INFO L225 Difference]: With dead ends: 26121 [2023-12-20 02:32:12,140 INFO L226 Difference]: Without dead ends: 23755 [2023-12-20 02:32:12,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=802, Unknown=0, NotChecked=0, Total=1056 [2023-12-20 02:32:12,149 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 2388 mSDsluCounter, 7527 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 8559 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:12,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 8559 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-20 02:32:12,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23755 states. [2023-12-20 02:32:12,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23755 to 20970. [2023-12-20 02:32:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20970 states, 20965 states have (on average 1.1582637729549248) internal successors, (24283), 20969 states have internal predecessors, (24283), 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) [2023-12-20 02:32:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20970 states to 20970 states and 24283 transitions. [2023-12-20 02:32:12,375 INFO L78 Accepts]: Start accepts. Automaton has 20970 states and 24283 transitions. Word has length 176 [2023-12-20 02:32:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:12,375 INFO L495 AbstractCegarLoop]: Abstraction has 20970 states and 24283 transitions. [2023-12-20 02:32:12,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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) [2023-12-20 02:32:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 20970 states and 24283 transitions. [2023-12-20 02:32:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:12,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:12,389 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] [2023-12-20 02:32:12,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-20 02:32:12,390 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:12,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:12,390 INFO L85 PathProgramCache]: Analyzing trace with hash -868538009, now seen corresponding path program 1 times [2023-12-20 02:32:12,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:12,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58404733] [2023-12-20 02:32:12,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:12,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:12,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:12,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58404733] [2023-12-20 02:32:12,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58404733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:12,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:12,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-20 02:32:12,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114822859] [2023-12-20 02:32:12,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:12,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 02:32:12,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:12,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 02:32:12,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-20 02:32:12,812 INFO L87 Difference]: Start difference. First operand 20970 states and 24283 transitions. Second operand has 13 states, 13 states have (on average 13.538461538461538) internal successors, (176), 13 states have internal predecessors, (176), 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) [2023-12-20 02:32:13,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:13,640 INFO L93 Difference]: Finished difference Result 30799 states and 37560 transitions. [2023-12-20 02:32:13,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-20 02:32:13,641 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.538461538461538) internal successors, (176), 13 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:13,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:13,671 INFO L225 Difference]: With dead ends: 30799 [2023-12-20 02:32:13,672 INFO L226 Difference]: Without dead ends: 26901 [2023-12-20 02:32:13,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2023-12-20 02:32:13,684 INFO L413 NwaCegarLoop]: 1009 mSDtfsCounter, 2767 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 7859 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:13,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 7859 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 02:32:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26901 states. [2023-12-20 02:32:13,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26901 to 20934. [2023-12-20 02:32:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20934 states, 20929 states have (on average 1.156672559606288) internal successors, (24208), 20933 states have internal predecessors, (24208), 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) [2023-12-20 02:32:13,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20934 states to 20934 states and 24208 transitions. [2023-12-20 02:32:13,947 INFO L78 Accepts]: Start accepts. Automaton has 20934 states and 24208 transitions. Word has length 176 [2023-12-20 02:32:13,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:13,947 INFO L495 AbstractCegarLoop]: Abstraction has 20934 states and 24208 transitions. [2023-12-20 02:32:13,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.538461538461538) internal successors, (176), 13 states have internal predecessors, (176), 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) [2023-12-20 02:32:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 20934 states and 24208 transitions. [2023-12-20 02:32:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:13,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:13,959 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] [2023-12-20 02:32:13,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-20 02:32:13,959 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:13,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1213122144, now seen corresponding path program 1 times [2023-12-20 02:32:13,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:13,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291078662] [2023-12-20 02:32:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:15,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:15,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291078662] [2023-12-20 02:32:15,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291078662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:15,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:15,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-20 02:32:15,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789757889] [2023-12-20 02:32:15,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:15,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-20 02:32:15,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:15,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-20 02:32:15,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2023-12-20 02:32:15,080 INFO L87 Difference]: Start difference. First operand 20934 states and 24208 transitions. Second operand has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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) [2023-12-20 02:32:19,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:19,534 INFO L93 Difference]: Finished difference Result 27453 states and 32711 transitions. [2023-12-20 02:32:19,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-20 02:32:19,535 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:19,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:19,566 INFO L225 Difference]: With dead ends: 27453 [2023-12-20 02:32:19,566 INFO L226 Difference]: Without dead ends: 26505 [2023-12-20 02:32:19,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=820, Invalid=3086, Unknown=0, NotChecked=0, Total=3906 [2023-12-20 02:32:19,571 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 5077 mSDsluCounter, 17216 mSDsCounter, 0 mSdLazyCounter, 6253 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 18498 SdHoareTripleChecker+Invalid, 6399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 6253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:19,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5077 Valid, 18498 Invalid, 6399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 6253 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-20 02:32:19,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26505 states. [2023-12-20 02:32:19,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26505 to 21732. [2023-12-20 02:32:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21732 states, 21727 states have (on average 1.152529111244074) internal successors, (25041), 21731 states have internal predecessors, (25041), 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) [2023-12-20 02:32:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21732 states to 21732 states and 25041 transitions. [2023-12-20 02:32:19,781 INFO L78 Accepts]: Start accepts. Automaton has 21732 states and 25041 transitions. Word has length 176 [2023-12-20 02:32:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:19,782 INFO L495 AbstractCegarLoop]: Abstraction has 21732 states and 25041 transitions. [2023-12-20 02:32:19,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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) [2023-12-20 02:32:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 21732 states and 25041 transitions. [2023-12-20 02:32:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:19,795 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:19,795 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] [2023-12-20 02:32:19,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-20 02:32:19,795 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:19,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:19,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2030920893, now seen corresponding path program 1 times [2023-12-20 02:32:19,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:19,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868423662] [2023-12-20 02:32:19,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:19,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:20,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:20,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868423662] [2023-12-20 02:32:20,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868423662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:20,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:20,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-20 02:32:20,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950811741] [2023-12-20 02:32:20,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:20,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-20 02:32:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:20,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-20 02:32:20,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-12-20 02:32:20,395 INFO L87 Difference]: Start difference. First operand 21732 states and 25041 transitions. Second operand has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 16 states have internal predecessors, (176), 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) [2023-12-20 02:32:21,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:21,493 INFO L93 Difference]: Finished difference Result 26480 states and 31153 transitions. [2023-12-20 02:32:21,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-20 02:32:21,493 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 16 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:21,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:21,518 INFO L225 Difference]: With dead ends: 26480 [2023-12-20 02:32:21,518 INFO L226 Difference]: Without dead ends: 25787 [2023-12-20 02:32:21,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2023-12-20 02:32:21,523 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 2783 mSDsluCounter, 8493 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 9338 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:21,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 9338 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 02:32:21,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25787 states. [2023-12-20 02:32:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25787 to 21913. [2023-12-20 02:32:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21913 states, 21908 states have (on average 1.1514515245572394) internal successors, (25226), 21912 states have internal predecessors, (25226), 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) [2023-12-20 02:32:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21913 states to 21913 states and 25226 transitions. [2023-12-20 02:32:21,741 INFO L78 Accepts]: Start accepts. Automaton has 21913 states and 25226 transitions. Word has length 176 [2023-12-20 02:32:21,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:21,741 INFO L495 AbstractCegarLoop]: Abstraction has 21913 states and 25226 transitions. [2023-12-20 02:32:21,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.352941176470589) internal successors, (176), 16 states have internal predecessors, (176), 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) [2023-12-20 02:32:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 21913 states and 25226 transitions. [2023-12-20 02:32:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:21,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:21,754 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] [2023-12-20 02:32:21,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-20 02:32:21,754 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:21,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash 183858484, now seen corresponding path program 1 times [2023-12-20 02:32:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345378646] [2023-12-20 02:32:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:22,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:22,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345378646] [2023-12-20 02:32:22,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345378646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:22,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:22,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:32:22,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221366713] [2023-12-20 02:32:22,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:22,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 02:32:22,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:22,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 02:32:22,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-12-20 02:32:22,330 INFO L87 Difference]: Start difference. First operand 21913 states and 25226 transitions. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 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) [2023-12-20 02:32:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:23,941 INFO L93 Difference]: Finished difference Result 29648 states and 35409 transitions. [2023-12-20 02:32:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-20 02:32:23,942 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:23,963 INFO L225 Difference]: With dead ends: 29648 [2023-12-20 02:32:23,964 INFO L226 Difference]: Without dead ends: 23393 [2023-12-20 02:32:23,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2023-12-20 02:32:23,971 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 2428 mSDsluCounter, 8274 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 9191 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:23,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 9191 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1845 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 02:32:23,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23393 states. [2023-12-20 02:32:24,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23393 to 19766. [2023-12-20 02:32:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19766 states, 19761 states have (on average 1.1609736349375033) internal successors, (22942), 19765 states have internal predecessors, (22942), 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) [2023-12-20 02:32:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19766 states to 19766 states and 22942 transitions. [2023-12-20 02:32:24,155 INFO L78 Accepts]: Start accepts. Automaton has 19766 states and 22942 transitions. Word has length 176 [2023-12-20 02:32:24,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:24,155 INFO L495 AbstractCegarLoop]: Abstraction has 19766 states and 22942 transitions. [2023-12-20 02:32:24,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 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) [2023-12-20 02:32:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 19766 states and 22942 transitions. [2023-12-20 02:32:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:24,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:24,167 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] [2023-12-20 02:32:24,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-20 02:32:24,167 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:24,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:24,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1152781419, now seen corresponding path program 1 times [2023-12-20 02:32:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:24,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102195835] [2023-12-20 02:32:24,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:24,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:24,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:24,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102195835] [2023-12-20 02:32:24,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102195835] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:24,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:24,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:32:24,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416778665] [2023-12-20 02:32:24,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:24,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 02:32:24,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 02:32:24,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-12-20 02:32:24,834 INFO L87 Difference]: Start difference. First operand 19766 states and 22942 transitions. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 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) [2023-12-20 02:32:25,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:25,767 INFO L93 Difference]: Finished difference Result 23939 states and 28674 transitions. [2023-12-20 02:32:25,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-20 02:32:25,768 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:25,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:25,786 INFO L225 Difference]: With dead ends: 23939 [2023-12-20 02:32:25,786 INFO L226 Difference]: Without dead ends: 21306 [2023-12-20 02:32:25,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-12-20 02:32:25,791 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 1029 mSDsluCounter, 6466 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 7313 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:25,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 7313 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 02:32:25,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21306 states. [2023-12-20 02:32:25,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21306 to 19033. [2023-12-20 02:32:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19033 states, 19029 states have (on average 1.1654842608649956) internal successors, (22178), 19032 states have internal predecessors, (22178), 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) [2023-12-20 02:32:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19033 states to 19033 states and 22178 transitions. [2023-12-20 02:32:25,962 INFO L78 Accepts]: Start accepts. Automaton has 19033 states and 22178 transitions. Word has length 176 [2023-12-20 02:32:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:25,962 INFO L495 AbstractCegarLoop]: Abstraction has 19033 states and 22178 transitions. [2023-12-20 02:32:25,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 15 states have internal predecessors, (176), 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) [2023-12-20 02:32:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 19033 states and 22178 transitions. [2023-12-20 02:32:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:25,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:25,974 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] [2023-12-20 02:32:25,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-20 02:32:25,974 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:25,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:25,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1619354382, now seen corresponding path program 1 times [2023-12-20 02:32:25,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:25,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147370067] [2023-12-20 02:32:25,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:25,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:27,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:27,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:27,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147370067] [2023-12-20 02:32:27,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147370067] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:27,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:27,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-20 02:32:27,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834222597] [2023-12-20 02:32:27,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:27,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:32:27,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:32:27,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:32:27,007 INFO L87 Difference]: Start difference. First operand 19033 states and 22178 transitions. Second operand has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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) [2023-12-20 02:32:30,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:30,943 INFO L93 Difference]: Finished difference Result 23460 states and 28029 transitions. [2023-12-20 02:32:30,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-20 02:32:30,943 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:30,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:30,966 INFO L225 Difference]: With dead ends: 23460 [2023-12-20 02:32:30,966 INFO L226 Difference]: Without dead ends: 21566 [2023-12-20 02:32:30,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=365, Invalid=1527, Unknown=0, NotChecked=0, Total=1892 [2023-12-20 02:32:30,972 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 3063 mSDsluCounter, 11112 mSDsCounter, 0 mSdLazyCounter, 3672 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3063 SdHoareTripleChecker+Valid, 12010 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:30,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3063 Valid, 12010 Invalid, 3687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3672 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-20 02:32:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21566 states. [2023-12-20 02:32:31,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21566 to 18913. [2023-12-20 02:32:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18913 states, 18909 states have (on average 1.1658469511872653) internal successors, (22045), 18912 states have internal predecessors, (22045), 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) [2023-12-20 02:32:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18913 states to 18913 states and 22045 transitions. [2023-12-20 02:32:31,149 INFO L78 Accepts]: Start accepts. Automaton has 18913 states and 22045 transitions. Word has length 176 [2023-12-20 02:32:31,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:31,149 INFO L495 AbstractCegarLoop]: Abstraction has 18913 states and 22045 transitions. [2023-12-20 02:32:31,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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) [2023-12-20 02:32:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 18913 states and 22045 transitions. [2023-12-20 02:32:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:31,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:31,160 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] [2023-12-20 02:32:31,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-20 02:32:31,160 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:31,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:31,161 INFO L85 PathProgramCache]: Analyzing trace with hash -233010885, now seen corresponding path program 1 times [2023-12-20 02:32:31,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:31,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207177410] [2023-12-20 02:32:31,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:31,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:32,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207177410] [2023-12-20 02:32:32,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207177410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:32,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-20 02:32:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010354431] [2023-12-20 02:32:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:32,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-20 02:32:32,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:32,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-20 02:32:32,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2023-12-20 02:32:32,212 INFO L87 Difference]: Start difference. First operand 18913 states and 22045 transitions. Second operand has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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) [2023-12-20 02:32:34,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:34,814 INFO L93 Difference]: Finished difference Result 23243 states and 27891 transitions. [2023-12-20 02:32:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-20 02:32:34,814 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:34,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:34,836 INFO L225 Difference]: With dead ends: 23243 [2023-12-20 02:32:34,836 INFO L226 Difference]: Without dead ends: 22096 [2023-12-20 02:32:34,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=450, Invalid=1190, Unknown=0, NotChecked=0, Total=1640 [2023-12-20 02:32:34,842 INFO L413 NwaCegarLoop]: 928 mSDtfsCounter, 4494 mSDsluCounter, 10290 mSDsCounter, 0 mSdLazyCounter, 2952 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4494 SdHoareTripleChecker+Valid, 11218 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:34,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4494 Valid, 11218 Invalid, 2978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2952 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 02:32:34,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22096 states. [2023-12-20 02:32:34,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22096 to 18842. [2023-12-20 02:32:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18842 states, 18838 states have (on average 1.165569593375093) internal successors, (21957), 18841 states have internal predecessors, (21957), 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) [2023-12-20 02:32:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18842 states to 18842 states and 21957 transitions. [2023-12-20 02:32:35,013 INFO L78 Accepts]: Start accepts. Automaton has 18842 states and 21957 transitions. Word has length 176 [2023-12-20 02:32:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:35,013 INFO L495 AbstractCegarLoop]: Abstraction has 18842 states and 21957 transitions. [2023-12-20 02:32:35,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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) [2023-12-20 02:32:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 18842 states and 21957 transitions. [2023-12-20 02:32:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:35,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:35,024 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] [2023-12-20 02:32:35,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-20 02:32:35,025 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:35,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:35,025 INFO L85 PathProgramCache]: Analyzing trace with hash 512465486, now seen corresponding path program 1 times [2023-12-20 02:32:35,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:35,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225881912] [2023-12-20 02:32:35,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:35,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:35,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:35,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225881912] [2023-12-20 02:32:35,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225881912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:35,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:35,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-20 02:32:35,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837790778] [2023-12-20 02:32:35,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:35,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-20 02:32:35,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:35,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-20 02:32:35,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-12-20 02:32:35,624 INFO L87 Difference]: Start difference. First operand 18842 states and 21957 transitions. Second operand has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 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) [2023-12-20 02:32:37,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:37,914 INFO L93 Difference]: Finished difference Result 28952 states and 35481 transitions. [2023-12-20 02:32:37,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-20 02:32:37,914 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:37,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:37,947 INFO L225 Difference]: With dead ends: 28952 [2023-12-20 02:32:37,947 INFO L226 Difference]: Without dead ends: 27665 [2023-12-20 02:32:37,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=615, Invalid=1935, Unknown=0, NotChecked=0, Total=2550 [2023-12-20 02:32:37,958 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 2805 mSDsluCounter, 14566 mSDsCounter, 0 mSdLazyCounter, 2975 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 15831 SdHoareTripleChecker+Invalid, 3024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:37,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 15831 Invalid, 3024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2975 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 02:32:37,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27665 states. [2023-12-20 02:32:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27665 to 19312. [2023-12-20 02:32:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19312 states, 19308 states have (on average 1.1618500103584006) internal successors, (22433), 19311 states have internal predecessors, (22433), 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) [2023-12-20 02:32:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19312 states to 19312 states and 22433 transitions. [2023-12-20 02:32:38,275 INFO L78 Accepts]: Start accepts. Automaton has 19312 states and 22433 transitions. Word has length 176 [2023-12-20 02:32:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:38,276 INFO L495 AbstractCegarLoop]: Abstraction has 19312 states and 22433 transitions. [2023-12-20 02:32:38,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 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) [2023-12-20 02:32:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19312 states and 22433 transitions. [2023-12-20 02:32:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:38,288 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:38,288 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] [2023-12-20 02:32:38,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-20 02:32:38,288 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:38,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1599162156, now seen corresponding path program 1 times [2023-12-20 02:32:38,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:38,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257805122] [2023-12-20 02:32:38,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:40,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:40,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257805122] [2023-12-20 02:32:40,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257805122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:40,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:40,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-20 02:32:40,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275969578] [2023-12-20 02:32:40,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:40,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-20 02:32:40,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:40,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-20 02:32:40,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2023-12-20 02:32:40,433 INFO L87 Difference]: Start difference. First operand 19312 states and 22433 transitions. Second operand has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 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) [2023-12-20 02:32:45,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:45,126 INFO L93 Difference]: Finished difference Result 21399 states and 25275 transitions. [2023-12-20 02:32:45,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-20 02:32:45,126 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:45,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:45,146 INFO L225 Difference]: With dead ends: 21399 [2023-12-20 02:32:45,147 INFO L226 Difference]: Without dead ends: 21239 [2023-12-20 02:32:45,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=470, Invalid=1786, Unknown=0, NotChecked=0, Total=2256 [2023-12-20 02:32:45,154 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 2444 mSDsluCounter, 14152 mSDsCounter, 0 mSdLazyCounter, 4869 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 15069 SdHoareTripleChecker+Invalid, 4899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:45,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 15069 Invalid, 4899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4869 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-20 02:32:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21239 states. [2023-12-20 02:32:45,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21239 to 19319. [2023-12-20 02:32:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19319 states, 19315 states have (on average 1.1617395806368107) internal successors, (22439), 19318 states have internal predecessors, (22439), 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) [2023-12-20 02:32:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19319 states to 19319 states and 22439 transitions. [2023-12-20 02:32:45,375 INFO L78 Accepts]: Start accepts. Automaton has 19319 states and 22439 transitions. Word has length 176 [2023-12-20 02:32:45,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:45,375 INFO L495 AbstractCegarLoop]: Abstraction has 19319 states and 22439 transitions. [2023-12-20 02:32:45,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.518518518518518) internal successors, (176), 26 states have internal predecessors, (176), 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) [2023-12-20 02:32:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 19319 states and 22439 transitions. [2023-12-20 02:32:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:45,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:45,386 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] [2023-12-20 02:32:45,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-20 02:32:45,387 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:45,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1301570048, now seen corresponding path program 1 times [2023-12-20 02:32:45,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:45,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402162609] [2023-12-20 02:32:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:45,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:46,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:46,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402162609] [2023-12-20 02:32:46,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402162609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:46,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:46,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-20 02:32:46,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40433176] [2023-12-20 02:32:46,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:46,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:32:46,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:46,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:32:46,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:32:46,346 INFO L87 Difference]: Start difference. First operand 19319 states and 22439 transitions. Second operand has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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) [2023-12-20 02:32:49,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:49,056 INFO L93 Difference]: Finished difference Result 23024 states and 27232 transitions. [2023-12-20 02:32:49,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-20 02:32:49,056 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:49,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:49,077 INFO L225 Difference]: With dead ends: 23024 [2023-12-20 02:32:49,078 INFO L226 Difference]: Without dead ends: 20711 [2023-12-20 02:32:49,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=299, Invalid=1033, Unknown=0, NotChecked=0, Total=1332 [2023-12-20 02:32:49,085 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 2827 mSDsluCounter, 8656 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 9428 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:49,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 9428 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 02:32:49,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20711 states. [2023-12-20 02:32:49,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20711 to 18569. [2023-12-20 02:32:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18569 states, 18565 states have (on average 1.1659574468085105) internal successors, (21646), 18568 states have internal predecessors, (21646), 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) [2023-12-20 02:32:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18569 states to 18569 states and 21646 transitions. [2023-12-20 02:32:49,267 INFO L78 Accepts]: Start accepts. Automaton has 18569 states and 21646 transitions. Word has length 176 [2023-12-20 02:32:49,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:49,268 INFO L495 AbstractCegarLoop]: Abstraction has 18569 states and 21646 transitions. [2023-12-20 02:32:49,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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) [2023-12-20 02:32:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 18569 states and 21646 transitions. [2023-12-20 02:32:49,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:49,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:49,279 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] [2023-12-20 02:32:49,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-20 02:32:49,280 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:49,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:49,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1484693404, now seen corresponding path program 1 times [2023-12-20 02:32:49,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:49,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465850975] [2023-12-20 02:32:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:49,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:50,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:50,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465850975] [2023-12-20 02:32:50,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465850975] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:50,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:50,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-12-20 02:32:50,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748867661] [2023-12-20 02:32:50,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:50,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-20 02:32:50,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:50,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-20 02:32:50,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2023-12-20 02:32:50,637 INFO L87 Difference]: Start difference. First operand 18569 states and 21646 transitions. Second operand has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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) [2023-12-20 02:32:54,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:54,878 INFO L93 Difference]: Finished difference Result 21539 states and 25613 transitions. [2023-12-20 02:32:54,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-20 02:32:54,879 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:54,904 INFO L225 Difference]: With dead ends: 21539 [2023-12-20 02:32:54,904 INFO L226 Difference]: Without dead ends: 20898 [2023-12-20 02:32:54,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2023-12-20 02:32:54,911 INFO L413 NwaCegarLoop]: 1008 mSDtfsCounter, 2357 mSDsluCounter, 13483 mSDsCounter, 0 mSdLazyCounter, 4189 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2357 SdHoareTripleChecker+Valid, 14491 SdHoareTripleChecker+Invalid, 4218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 4189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:54,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2357 Valid, 14491 Invalid, 4218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 4189 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-20 02:32:54,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2023-12-20 02:32:55,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 18819. [2023-12-20 02:32:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18819 states, 18815 states have (on average 1.163911772521924) internal successors, (21899), 18818 states have internal predecessors, (21899), 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) [2023-12-20 02:32:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18819 states to 18819 states and 21899 transitions. [2023-12-20 02:32:55,079 INFO L78 Accepts]: Start accepts. Automaton has 18819 states and 21899 transitions. Word has length 176 [2023-12-20 02:32:55,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:55,079 INFO L495 AbstractCegarLoop]: Abstraction has 18819 states and 21899 transitions. [2023-12-20 02:32:55,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.6521739130434785) internal successors, (176), 22 states have internal predecessors, (176), 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) [2023-12-20 02:32:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18819 states and 21899 transitions. [2023-12-20 02:32:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:55,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:55,091 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] [2023-12-20 02:32:55,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-20 02:32:55,091 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:55,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:55,092 INFO L85 PathProgramCache]: Analyzing trace with hash 218690556, now seen corresponding path program 1 times [2023-12-20 02:32:55,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:55,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242759884] [2023-12-20 02:32:55,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:55,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:55,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:55,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242759884] [2023-12-20 02:32:55,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242759884] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:55,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:55,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-20 02:32:55,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710840055] [2023-12-20 02:32:55,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:55,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-20 02:32:55,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:55,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-20 02:32:55,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2023-12-20 02:32:55,757 INFO L87 Difference]: Start difference. First operand 18819 states and 21899 transitions. Second operand has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 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) [2023-12-20 02:32:58,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:32:58,031 INFO L93 Difference]: Finished difference Result 28651 states and 35018 transitions. [2023-12-20 02:32:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-20 02:32:58,031 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 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 176 [2023-12-20 02:32:58,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:32:58,065 INFO L225 Difference]: With dead ends: 28651 [2023-12-20 02:32:58,066 INFO L226 Difference]: Without dead ends: 27259 [2023-12-20 02:32:58,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=565, Invalid=1691, Unknown=0, NotChecked=0, Total=2256 [2023-12-20 02:32:58,076 INFO L413 NwaCegarLoop]: 1211 mSDtfsCounter, 3048 mSDsluCounter, 10547 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 11758 SdHoareTripleChecker+Invalid, 2580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:32:58,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 11758 Invalid, 2580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 02:32:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27259 states. [2023-12-20 02:32:58,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27259 to 19155. [2023-12-20 02:32:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19155 states, 19151 states have (on average 1.1609837606391311) internal successors, (22234), 19154 states have internal predecessors, (22234), 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) [2023-12-20 02:32:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19155 states to 19155 states and 22234 transitions. [2023-12-20 02:32:58,302 INFO L78 Accepts]: Start accepts. Automaton has 19155 states and 22234 transitions. Word has length 176 [2023-12-20 02:32:58,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:32:58,302 INFO L495 AbstractCegarLoop]: Abstraction has 19155 states and 22234 transitions. [2023-12-20 02:32:58,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.777777777777779) internal successors, (176), 17 states have internal predecessors, (176), 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) [2023-12-20 02:32:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19155 states and 22234 transitions. [2023-12-20 02:32:58,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:32:58,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:32:58,315 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] [2023-12-20 02:32:58,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-20 02:32:58,315 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:32:58,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:32:58,316 INFO L85 PathProgramCache]: Analyzing trace with hash -31037383, now seen corresponding path program 1 times [2023-12-20 02:32:58,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:32:58,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954804450] [2023-12-20 02:32:58,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:32:58,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:32:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:32:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:32:59,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:32:59,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954804450] [2023-12-20 02:32:59,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954804450] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:32:59,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:32:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-20 02:32:59,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601655709] [2023-12-20 02:32:59,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:32:59,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-20 02:32:59,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:32:59,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-20 02:32:59,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2023-12-20 02:32:59,020 INFO L87 Difference]: Start difference. First operand 19155 states and 22234 transitions. Second operand has 20 states, 20 states have (on average 8.8) internal successors, (176), 19 states have internal predecessors, (176), 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) [2023-12-20 02:33:00,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:00,825 INFO L93 Difference]: Finished difference Result 21193 states and 24866 transitions. [2023-12-20 02:33:00,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-20 02:33:00,827 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.8) internal successors, (176), 19 states have internal predecessors, (176), 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 176 [2023-12-20 02:33:00,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:00,845 INFO L225 Difference]: With dead ends: 21193 [2023-12-20 02:33:00,846 INFO L226 Difference]: Without dead ends: 20506 [2023-12-20 02:33:00,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2023-12-20 02:33:00,850 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 3117 mSDsluCounter, 14314 mSDsCounter, 0 mSdLazyCounter, 4174 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3117 SdHoareTripleChecker+Valid, 15378 SdHoareTripleChecker+Invalid, 4207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 4174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:00,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3117 Valid, 15378 Invalid, 4207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 4174 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 02:33:00,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20506 states. [2023-12-20 02:33:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20506 to 19091. [2023-12-20 02:33:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19091 states, 19087 states have (on average 1.1613139833394457) internal successors, (22166), 19090 states have internal predecessors, (22166), 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) [2023-12-20 02:33:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19091 states to 19091 states and 22166 transitions. [2023-12-20 02:33:01,009 INFO L78 Accepts]: Start accepts. Automaton has 19091 states and 22166 transitions. Word has length 176 [2023-12-20 02:33:01,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:01,009 INFO L495 AbstractCegarLoop]: Abstraction has 19091 states and 22166 transitions. [2023-12-20 02:33:01,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.8) internal successors, (176), 19 states have internal predecessors, (176), 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) [2023-12-20 02:33:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 19091 states and 22166 transitions. [2023-12-20 02:33:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:33:01,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:01,025 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] [2023-12-20 02:33:01,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-20 02:33:01,025 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:01,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:01,026 INFO L85 PathProgramCache]: Analyzing trace with hash -139959932, now seen corresponding path program 1 times [2023-12-20 02:33:01,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:01,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005622945] [2023-12-20 02:33:01,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:01,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:01,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:01,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005622945] [2023-12-20 02:33:01,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005622945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:01,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:01,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-20 02:33:01,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600462156] [2023-12-20 02:33:01,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:01,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:01,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:01,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:01,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:01,962 INFO L87 Difference]: Start difference. First operand 19091 states and 22166 transitions. Second operand has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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) [2023-12-20 02:33:04,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:04,164 INFO L93 Difference]: Finished difference Result 21731 states and 25675 transitions. [2023-12-20 02:33:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 02:33:04,164 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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 176 [2023-12-20 02:33:04,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:04,182 INFO L225 Difference]: With dead ends: 21731 [2023-12-20 02:33:04,182 INFO L226 Difference]: Without dead ends: 20630 [2023-12-20 02:33:04,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=271, Invalid=919, Unknown=0, NotChecked=0, Total=1190 [2023-12-20 02:33:04,188 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 2324 mSDsluCounter, 7826 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2324 SdHoareTripleChecker+Valid, 8543 SdHoareTripleChecker+Invalid, 2584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:04,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2324 Valid, 8543 Invalid, 2584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2561 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 02:33:04,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20630 states. [2023-12-20 02:33:04,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20630 to 18799. [2023-12-20 02:33:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18799 states, 18796 states have (on average 1.1632262183443285) internal successors, (21864), 18798 states have internal predecessors, (21864), 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) [2023-12-20 02:33:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18799 states to 18799 states and 21864 transitions. [2023-12-20 02:33:04,352 INFO L78 Accepts]: Start accepts. Automaton has 18799 states and 21864 transitions. Word has length 176 [2023-12-20 02:33:04,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:04,352 INFO L495 AbstractCegarLoop]: Abstraction has 18799 states and 21864 transitions. [2023-12-20 02:33:04,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.380952380952381) internal successors, (176), 20 states have internal predecessors, (176), 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) [2023-12-20 02:33:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 18799 states and 21864 transitions. [2023-12-20 02:33:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:33:04,362 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:04,362 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] [2023-12-20 02:33:04,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-20 02:33:04,364 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:04,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:04,364 INFO L85 PathProgramCache]: Analyzing trace with hash -964577034, now seen corresponding path program 1 times [2023-12-20 02:33:04,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:04,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953080823] [2023-12-20 02:33:04,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:04,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:05,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:05,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953080823] [2023-12-20 02:33:05,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953080823] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:05,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:05,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-20 02:33:05,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43898783] [2023-12-20 02:33:05,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:05,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-20 02:33:05,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:05,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-20 02:33:05,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2023-12-20 02:33:05,047 INFO L87 Difference]: Start difference. First operand 18799 states and 21864 transitions. Second operand has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 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) [2023-12-20 02:33:06,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:06,533 INFO L93 Difference]: Finished difference Result 20162 states and 23561 transitions. [2023-12-20 02:33:06,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-20 02:33:06,534 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 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 176 [2023-12-20 02:33:06,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:06,551 INFO L225 Difference]: With dead ends: 20162 [2023-12-20 02:33:06,551 INFO L226 Difference]: Without dead ends: 18493 [2023-12-20 02:33:06,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=336, Invalid=1386, Unknown=0, NotChecked=0, Total=1722 [2023-12-20 02:33:06,567 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 1436 mSDsluCounter, 6502 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 7097 SdHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:06,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 7097 Invalid, 2053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2026 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-20 02:33:06,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18493 states. [2023-12-20 02:33:06,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18493 to 18468. [2023-12-20 02:33:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18468 states, 18466 states have (on average 1.1648976497346475) internal successors, (21511), 18467 states have internal predecessors, (21511), 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) [2023-12-20 02:33:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18468 states to 18468 states and 21511 transitions. [2023-12-20 02:33:06,747 INFO L78 Accepts]: Start accepts. Automaton has 18468 states and 21511 transitions. Word has length 176 [2023-12-20 02:33:06,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:06,748 INFO L495 AbstractCegarLoop]: Abstraction has 18468 states and 21511 transitions. [2023-12-20 02:33:06,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 18 states have internal predecessors, (176), 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) [2023-12-20 02:33:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 18468 states and 21511 transitions. [2023-12-20 02:33:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 02:33:06,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:06,761 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] [2023-12-20 02:33:06,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-20 02:33:06,761 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:06,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:06,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1189371922, now seen corresponding path program 1 times [2023-12-20 02:33:06,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:06,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257980610] [2023-12-20 02:33:06,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:06,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:07,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:07,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257980610] [2023-12-20 02:33:07,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257980610] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:07,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:07,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-20 02:33:07,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082783718] [2023-12-20 02:33:07,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:07,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-20 02:33:07,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:07,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-20 02:33:07,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2023-12-20 02:33:07,866 INFO L87 Difference]: Start difference. First operand 18468 states and 21511 transitions. Second operand has 25 states, 25 states have (on average 7.04) internal successors, (176), 24 states have internal predecessors, (176), 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) [2023-12-20 02:33:10,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:10,721 INFO L93 Difference]: Finished difference Result 23678 states and 28279 transitions. [2023-12-20 02:33:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-20 02:33:10,722 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.04) internal successors, (176), 24 states have internal predecessors, (176), 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 176 [2023-12-20 02:33:10,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:10,749 INFO L225 Difference]: With dead ends: 23678 [2023-12-20 02:33:10,750 INFO L226 Difference]: Without dead ends: 23359 [2023-12-20 02:33:10,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=617, Invalid=2463, Unknown=0, NotChecked=0, Total=3080 [2023-12-20 02:33:10,754 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3061 mSDsluCounter, 12272 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 13132 SdHoareTripleChecker+Invalid, 4844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 4800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:10,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 13132 Invalid, 4844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 02:33:10,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23359 states. [2023-12-20 02:33:10,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23359 to 18380. [2023-12-20 02:33:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18380 states, 18379 states have (on average 1.1654605800097937) internal successors, (21420), 18379 states have internal predecessors, (21420), 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) [2023-12-20 02:33:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18380 states to 18380 states and 21420 transitions. [2023-12-20 02:33:10,916 INFO L78 Accepts]: Start accepts. Automaton has 18380 states and 21420 transitions. Word has length 176 [2023-12-20 02:33:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:10,916 INFO L495 AbstractCegarLoop]: Abstraction has 18380 states and 21420 transitions. [2023-12-20 02:33:10,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.04) internal successors, (176), 24 states have internal predecessors, (176), 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) [2023-12-20 02:33:10,917 INFO L276 IsEmpty]: Start isEmpty. Operand 18380 states and 21420 transitions. [2023-12-20 02:33:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:10,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:10,929 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] [2023-12-20 02:33:10,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-20 02:33:10,929 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:10,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:10,929 INFO L85 PathProgramCache]: Analyzing trace with hash 422707122, now seen corresponding path program 1 times [2023-12-20 02:33:10,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:10,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103042413] [2023-12-20 02:33:10,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:10,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:11,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:11,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103042413] [2023-12-20 02:33:11,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103042413] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:11,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:11,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:11,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474902149] [2023-12-20 02:33:11,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:11,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:11,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:11,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:11,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:11,522 INFO L87 Difference]: Start difference. First operand 18380 states and 21420 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:12,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:12,974 INFO L93 Difference]: Finished difference Result 23649 states and 28473 transitions. [2023-12-20 02:33:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-20 02:33:12,975 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:12,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:12,995 INFO L225 Difference]: With dead ends: 23649 [2023-12-20 02:33:12,996 INFO L226 Difference]: Without dead ends: 22794 [2023-12-20 02:33:13,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=413, Invalid=1479, Unknown=0, NotChecked=0, Total=1892 [2023-12-20 02:33:13,001 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 7847 mSDsluCounter, 5395 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7847 SdHoareTripleChecker+Valid, 5787 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:13,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7847 Valid, 5787 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 02:33:13,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22794 states. [2023-12-20 02:33:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22794 to 18731. [2023-12-20 02:33:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18731 states, 18730 states have (on average 1.1637479978643888) internal successors, (21797), 18730 states have internal predecessors, (21797), 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) [2023-12-20 02:33:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18731 states to 18731 states and 21797 transitions. [2023-12-20 02:33:13,162 INFO L78 Accepts]: Start accepts. Automaton has 18731 states and 21797 transitions. Word has length 177 [2023-12-20 02:33:13,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:13,162 INFO L495 AbstractCegarLoop]: Abstraction has 18731 states and 21797 transitions. [2023-12-20 02:33:13,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 18731 states and 21797 transitions. [2023-12-20 02:33:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:13,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:13,173 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] [2023-12-20 02:33:13,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-20 02:33:13,173 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:13,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:13,173 INFO L85 PathProgramCache]: Analyzing trace with hash -140290428, now seen corresponding path program 1 times [2023-12-20 02:33:13,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:13,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442993297] [2023-12-20 02:33:13,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:13,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:13,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:13,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442993297] [2023-12-20 02:33:13,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442993297] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:13,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:13,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-20 02:33:13,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920951746] [2023-12-20 02:33:13,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:13,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 02:33:13,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:13,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 02:33:13,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2023-12-20 02:33:13,670 INFO L87 Difference]: Start difference. First operand 18731 states and 21797 transitions. Second operand has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 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) [2023-12-20 02:33:14,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:14,381 INFO L93 Difference]: Finished difference Result 20420 states and 23992 transitions. [2023-12-20 02:33:14,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-20 02:33:14,382 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:14,399 INFO L225 Difference]: With dead ends: 20420 [2023-12-20 02:33:14,400 INFO L226 Difference]: Without dead ends: 19087 [2023-12-20 02:33:14,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=803, Unknown=0, NotChecked=0, Total=992 [2023-12-20 02:33:14,405 INFO L413 NwaCegarLoop]: 478 mSDtfsCounter, 2089 mSDsluCounter, 5459 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:14,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 5937 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 02:33:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19087 states. [2023-12-20 02:33:14,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19087 to 18912. [2023-12-20 02:33:14,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18912 states, 18911 states have (on average 1.1618105864311776) internal successors, (21971), 18911 states have internal predecessors, (21971), 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) [2023-12-20 02:33:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18912 states to 18912 states and 21971 transitions. [2023-12-20 02:33:14,565 INFO L78 Accepts]: Start accepts. Automaton has 18912 states and 21971 transitions. Word has length 177 [2023-12-20 02:33:14,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:14,565 INFO L495 AbstractCegarLoop]: Abstraction has 18912 states and 21971 transitions. [2023-12-20 02:33:14,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 16 states have internal predecessors, (177), 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) [2023-12-20 02:33:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 18912 states and 21971 transitions. [2023-12-20 02:33:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:14,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:14,578 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] [2023-12-20 02:33:14,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-20 02:33:14,578 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:14,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:14,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1581813003, now seen corresponding path program 1 times [2023-12-20 02:33:14,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:14,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091391800] [2023-12-20 02:33:14,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:14,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:15,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091391800] [2023-12-20 02:33:15,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091391800] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:15,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:15,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-12-20 02:33:15,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108017547] [2023-12-20 02:33:15,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:15,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-20 02:33:15,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:15,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-20 02:33:15,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2023-12-20 02:33:15,518 INFO L87 Difference]: Start difference. First operand 18912 states and 21971 transitions. Second operand has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 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) [2023-12-20 02:33:18,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:18,810 INFO L93 Difference]: Finished difference Result 23020 states and 27119 transitions. [2023-12-20 02:33:18,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-20 02:33:18,810 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:18,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:18,832 INFO L225 Difference]: With dead ends: 23020 [2023-12-20 02:33:18,832 INFO L226 Difference]: Without dead ends: 21704 [2023-12-20 02:33:18,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=832, Invalid=3074, Unknown=0, NotChecked=0, Total=3906 [2023-12-20 02:33:18,841 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 5752 mSDsluCounter, 10095 mSDsCounter, 0 mSdLazyCounter, 4452 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5752 SdHoareTripleChecker+Valid, 10823 SdHoareTripleChecker+Invalid, 4625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 4452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:18,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5752 Valid, 10823 Invalid, 4625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 4452 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-20 02:33:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21704 states. [2023-12-20 02:33:19,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21704 to 19585. [2023-12-20 02:33:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19585 states, 19584 states have (on average 1.1693218954248366) internal successors, (22900), 19584 states have internal predecessors, (22900), 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) [2023-12-20 02:33:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19585 states to 19585 states and 22900 transitions. [2023-12-20 02:33:19,124 INFO L78 Accepts]: Start accepts. Automaton has 19585 states and 22900 transitions. Word has length 177 [2023-12-20 02:33:19,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:19,124 INFO L495 AbstractCegarLoop]: Abstraction has 19585 states and 22900 transitions. [2023-12-20 02:33:19,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.08) internal successors, (177), 25 states have internal predecessors, (177), 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) [2023-12-20 02:33:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 19585 states and 22900 transitions. [2023-12-20 02:33:19,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:19,135 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:19,135 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] [2023-12-20 02:33:19,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-20 02:33:19,135 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:19,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:19,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1370708901, now seen corresponding path program 1 times [2023-12-20 02:33:19,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:19,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363426487] [2023-12-20 02:33:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:19,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:19,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:19,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363426487] [2023-12-20 02:33:19,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363426487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:19,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:19,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:19,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449793385] [2023-12-20 02:33:19,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:19,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:19,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:19,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:19,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:19,698 INFO L87 Difference]: Start difference. First operand 19585 states and 22900 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:21,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:21,612 INFO L93 Difference]: Finished difference Result 29319 states and 35923 transitions. [2023-12-20 02:33:21,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-20 02:33:21,612 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:21,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:21,645 INFO L225 Difference]: With dead ends: 29319 [2023-12-20 02:33:21,646 INFO L226 Difference]: Without dead ends: 28685 [2023-12-20 02:33:21,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=494, Invalid=1576, Unknown=0, NotChecked=0, Total=2070 [2023-12-20 02:33:21,657 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 6300 mSDsluCounter, 5810 mSDsCounter, 0 mSdLazyCounter, 2376 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6300 SdHoareTripleChecker+Valid, 6290 SdHoareTripleChecker+Invalid, 2586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 2376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:21,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6300 Valid, 6290 Invalid, 2586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 2376 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 02:33:21,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28685 states. [2023-12-20 02:33:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28685 to 19655. [2023-12-20 02:33:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19655 states, 19654 states have (on average 1.169125877683932) internal successors, (22978), 19654 states have internal predecessors, (22978), 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) [2023-12-20 02:33:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19655 states to 19655 states and 22978 transitions. [2023-12-20 02:33:21,907 INFO L78 Accepts]: Start accepts. Automaton has 19655 states and 22978 transitions. Word has length 177 [2023-12-20 02:33:21,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:21,907 INFO L495 AbstractCegarLoop]: Abstraction has 19655 states and 22978 transitions. [2023-12-20 02:33:21,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 19655 states and 22978 transitions. [2023-12-20 02:33:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:21,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:21,919 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] [2023-12-20 02:33:21,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-20 02:33:21,919 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:21,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:21,920 INFO L85 PathProgramCache]: Analyzing trace with hash -492183876, now seen corresponding path program 1 times [2023-12-20 02:33:21,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:21,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396587607] [2023-12-20 02:33:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:21,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:21,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:21,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396587607] [2023-12-20 02:33:21,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396587607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:21,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:21,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:33:21,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320672148] [2023-12-20 02:33:21,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:21,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:33:21,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:21,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:33:21,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:33:21,977 INFO L87 Difference]: Start difference. First operand 19655 states and 22978 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2023-12-20 02:33:22,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:22,050 INFO L93 Difference]: Finished difference Result 21362 states and 25242 transitions. [2023-12-20 02:33:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:33:22,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:22,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:22,070 INFO L225 Difference]: With dead ends: 21362 [2023-12-20 02:33:22,071 INFO L226 Difference]: Without dead ends: 19820 [2023-12-20 02:33:22,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:33:22,080 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 203 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:22,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 936 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:22,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19820 states. [2023-12-20 02:33:22,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19820 to 19643. [2023-12-20 02:33:22,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19643 states, 19642 states have (on average 1.1669381936666328) internal successors, (22921), 19642 states have internal predecessors, (22921), 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) [2023-12-20 02:33:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19643 states to 19643 states and 22921 transitions. [2023-12-20 02:33:22,267 INFO L78 Accepts]: Start accepts. Automaton has 19643 states and 22921 transitions. Word has length 177 [2023-12-20 02:33:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:22,268 INFO L495 AbstractCegarLoop]: Abstraction has 19643 states and 22921 transitions. [2023-12-20 02:33:22,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2023-12-20 02:33:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 19643 states and 22921 transitions. [2023-12-20 02:33:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:22,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:22,280 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] [2023-12-20 02:33:22,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-20 02:33:22,280 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:22,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1933706451, now seen corresponding path program 1 times [2023-12-20 02:33:22,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:22,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616181792] [2023-12-20 02:33:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:22,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:22,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:22,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616181792] [2023-12-20 02:33:22,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616181792] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:22,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:22,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:22,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317131239] [2023-12-20 02:33:22,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:22,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:22,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:22,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:22,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:22,854 INFO L87 Difference]: Start difference. First operand 19643 states and 22921 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:24,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:24,392 INFO L93 Difference]: Finished difference Result 24208 states and 28931 transitions. [2023-12-20 02:33:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-20 02:33:24,392 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:24,416 INFO L225 Difference]: With dead ends: 24208 [2023-12-20 02:33:24,416 INFO L226 Difference]: Without dead ends: 23203 [2023-12-20 02:33:24,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=392, Invalid=1414, Unknown=0, NotChecked=0, Total=1806 [2023-12-20 02:33:24,424 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 6352 mSDsluCounter, 6911 mSDsCounter, 0 mSdLazyCounter, 2935 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6352 SdHoareTripleChecker+Valid, 7467 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 2935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:24,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6352 Valid, 7467 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 2935 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 02:33:24,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23203 states. [2023-12-20 02:33:24,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23203 to 19482. [2023-12-20 02:33:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19482 states, 19481 states have (on average 1.167650531286895) internal successors, (22747), 19481 states have internal predecessors, (22747), 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) [2023-12-20 02:33:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19482 states to 19482 states and 22747 transitions. [2023-12-20 02:33:24,748 INFO L78 Accepts]: Start accepts. Automaton has 19482 states and 22747 transitions. Word has length 177 [2023-12-20 02:33:24,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:24,748 INFO L495 AbstractCegarLoop]: Abstraction has 19482 states and 22747 transitions. [2023-12-20 02:33:24,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 19482 states and 22747 transitions. [2023-12-20 02:33:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:24,760 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:24,760 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] [2023-12-20 02:33:24,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-20 02:33:24,760 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:24,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:24,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1260274156, now seen corresponding path program 1 times [2023-12-20 02:33:24,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:24,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888961532] [2023-12-20 02:33:24,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:24,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:24,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:24,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888961532] [2023-12-20 02:33:24,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888961532] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:24,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:24,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:33:24,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190991245] [2023-12-20 02:33:24,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:24,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:33:24,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:24,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:33:24,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:33:24,808 INFO L87 Difference]: Start difference. First operand 19482 states and 22747 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2023-12-20 02:33:24,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:24,869 INFO L93 Difference]: Finished difference Result 21216 states and 25051 transitions. [2023-12-20 02:33:24,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:33:24,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:24,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:24,888 INFO L225 Difference]: With dead ends: 21216 [2023-12-20 02:33:24,889 INFO L226 Difference]: Without dead ends: 19484 [2023-12-20 02:33:24,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:33:24,895 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 204 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:24,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 936 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:24,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19484 states. [2023-12-20 02:33:25,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19484 to 19482. [2023-12-20 02:33:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19482 states, 19481 states have (on average 1.165289256198347) internal successors, (22701), 19481 states have internal predecessors, (22701), 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) [2023-12-20 02:33:25,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19482 states to 19482 states and 22701 transitions. [2023-12-20 02:33:25,054 INFO L78 Accepts]: Start accepts. Automaton has 19482 states and 22701 transitions. Word has length 177 [2023-12-20 02:33:25,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:25,055 INFO L495 AbstractCegarLoop]: Abstraction has 19482 states and 22701 transitions. [2023-12-20 02:33:25,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2023-12-20 02:33:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 19482 states and 22701 transitions. [2023-12-20 02:33:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:25,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:25,067 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] [2023-12-20 02:33:25,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-20 02:33:25,067 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:25,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1820563032, now seen corresponding path program 1 times [2023-12-20 02:33:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:25,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458429270] [2023-12-20 02:33:25,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:25,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:25,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:25,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458429270] [2023-12-20 02:33:25,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458429270] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:25,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:25,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-20 02:33:25,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342315053] [2023-12-20 02:33:25,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:25,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-20 02:33:25,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:25,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-20 02:33:25,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2023-12-20 02:33:25,484 INFO L87 Difference]: Start difference. First operand 19482 states and 22701 transitions. Second operand has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 16 states have internal predecessors, (177), 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) [2023-12-20 02:33:26,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:26,696 INFO L93 Difference]: Finished difference Result 27280 states and 32980 transitions. [2023-12-20 02:33:26,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-20 02:33:26,696 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 16 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:26,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:26,726 INFO L225 Difference]: With dead ends: 27280 [2023-12-20 02:33:26,726 INFO L226 Difference]: Without dead ends: 26343 [2023-12-20 02:33:26,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=375, Invalid=1431, Unknown=0, NotChecked=0, Total=1806 [2023-12-20 02:33:26,742 INFO L413 NwaCegarLoop]: 1031 mSDtfsCounter, 2651 mSDsluCounter, 10139 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 11170 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:26,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 11170 Invalid, 2387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 02:33:26,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26343 states. [2023-12-20 02:33:26,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26343 to 19437. [2023-12-20 02:33:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19437 states, 19436 states have (on average 1.1653632434657337) internal successors, (22650), 19436 states have internal predecessors, (22650), 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) [2023-12-20 02:33:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19437 states to 19437 states and 22650 transitions. [2023-12-20 02:33:26,958 INFO L78 Accepts]: Start accepts. Automaton has 19437 states and 22650 transitions. Word has length 177 [2023-12-20 02:33:26,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:26,958 INFO L495 AbstractCegarLoop]: Abstraction has 19437 states and 22650 transitions. [2023-12-20 02:33:26,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.411764705882353) internal successors, (177), 16 states have internal predecessors, (177), 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) [2023-12-20 02:33:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand 19437 states and 22650 transitions. [2023-12-20 02:33:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:26,970 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:26,971 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] [2023-12-20 02:33:26,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-20 02:33:26,971 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:26,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1911406714, now seen corresponding path program 1 times [2023-12-20 02:33:26,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:26,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897188410] [2023-12-20 02:33:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:26,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:27,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:27,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897188410] [2023-12-20 02:33:27,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897188410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:27,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:27,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:27,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717127439] [2023-12-20 02:33:27,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:27,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:27,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:27,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:27,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:27,586 INFO L87 Difference]: Start difference. First operand 19437 states and 22650 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:29,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:29,557 INFO L93 Difference]: Finished difference Result 27089 states and 32751 transitions. [2023-12-20 02:33:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-20 02:33:29,557 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:29,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:29,582 INFO L225 Difference]: With dead ends: 27089 [2023-12-20 02:33:29,582 INFO L226 Difference]: Without dead ends: 25483 [2023-12-20 02:33:29,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=390, Invalid=1416, Unknown=0, NotChecked=0, Total=1806 [2023-12-20 02:33:29,589 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 5650 mSDsluCounter, 8046 mSDsCounter, 0 mSdLazyCounter, 3229 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5650 SdHoareTripleChecker+Valid, 8723 SdHoareTripleChecker+Invalid, 3365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 3229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:29,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5650 Valid, 8723 Invalid, 3365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 3229 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 02:33:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25483 states. [2023-12-20 02:33:29,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25483 to 19562. [2023-12-20 02:33:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19562 states, 19561 states have (on average 1.1638464291191657) internal successors, (22766), 19561 states have internal predecessors, (22766), 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) [2023-12-20 02:33:29,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19562 states to 19562 states and 22766 transitions. [2023-12-20 02:33:29,770 INFO L78 Accepts]: Start accepts. Automaton has 19562 states and 22766 transitions. Word has length 177 [2023-12-20 02:33:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:29,770 INFO L495 AbstractCegarLoop]: Abstraction has 19562 states and 22766 transitions. [2023-12-20 02:33:29,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19562 states and 22766 transitions. [2023-12-20 02:33:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:29,781 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:29,781 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] [2023-12-20 02:33:29,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-20 02:33:29,781 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:29,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash 117990691, now seen corresponding path program 1 times [2023-12-20 02:33:29,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:29,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890504934] [2023-12-20 02:33:29,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:29,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:30,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:30,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890504934] [2023-12-20 02:33:30,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890504934] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:30,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:30,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-20 02:33:30,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483816790] [2023-12-20 02:33:30,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:30,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-20 02:33:30,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:30,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-20 02:33:30,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2023-12-20 02:33:30,276 INFO L87 Difference]: Start difference. First operand 19562 states and 22766 transitions. Second operand has 19 states, 19 states have (on average 9.31578947368421) internal successors, (177), 18 states have internal predecessors, (177), 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) [2023-12-20 02:33:31,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:31,572 INFO L93 Difference]: Finished difference Result 25227 states and 30486 transitions. [2023-12-20 02:33:31,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-20 02:33:31,572 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.31578947368421) internal successors, (177), 18 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:31,595 INFO L225 Difference]: With dead ends: 25227 [2023-12-20 02:33:31,595 INFO L226 Difference]: Without dead ends: 22430 [2023-12-20 02:33:31,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=363, Invalid=1197, Unknown=0, NotChecked=0, Total=1560 [2023-12-20 02:33:31,605 INFO L413 NwaCegarLoop]: 832 mSDtfsCounter, 3939 mSDsluCounter, 8410 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3939 SdHoareTripleChecker+Valid, 9242 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:31,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3939 Valid, 9242 Invalid, 1908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1846 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 02:33:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22430 states. [2023-12-20 02:33:31,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22430 to 19566. [2023-12-20 02:33:31,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19566 states, 19565 states have (on average 1.1619217991311015) internal successors, (22733), 19565 states have internal predecessors, (22733), 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) [2023-12-20 02:33:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19566 states to 19566 states and 22733 transitions. [2023-12-20 02:33:31,783 INFO L78 Accepts]: Start accepts. Automaton has 19566 states and 22733 transitions. Word has length 177 [2023-12-20 02:33:31,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:31,784 INFO L495 AbstractCegarLoop]: Abstraction has 19566 states and 22733 transitions. [2023-12-20 02:33:31,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.31578947368421) internal successors, (177), 18 states have internal predecessors, (177), 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) [2023-12-20 02:33:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 19566 states and 22733 transitions. [2023-12-20 02:33:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:31,794 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:31,794 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] [2023-12-20 02:33:31,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-20 02:33:31,795 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:31,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:31,795 INFO L85 PathProgramCache]: Analyzing trace with hash 171197884, now seen corresponding path program 1 times [2023-12-20 02:33:31,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:31,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20673279] [2023-12-20 02:33:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:31,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:32,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:32,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20673279] [2023-12-20 02:33:32,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20673279] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:32,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:32,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:32,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077086296] [2023-12-20 02:33:32,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:32,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:32,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:32,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:32,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:32,346 INFO L87 Difference]: Start difference. First operand 19566 states and 22733 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:34,199 INFO L93 Difference]: Finished difference Result 24778 states and 29661 transitions. [2023-12-20 02:33:34,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-20 02:33:34,199 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:34,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:34,222 INFO L225 Difference]: With dead ends: 24778 [2023-12-20 02:33:34,222 INFO L226 Difference]: Without dead ends: 23976 [2023-12-20 02:33:34,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=408, Invalid=1314, Unknown=0, NotChecked=0, Total=1722 [2023-12-20 02:33:34,231 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 5729 mSDsluCounter, 7394 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5729 SdHoareTripleChecker+Valid, 7955 SdHoareTripleChecker+Invalid, 3132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:34,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5729 Valid, 7955 Invalid, 3132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 02:33:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23976 states. [2023-12-20 02:33:34,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23976 to 19919. [2023-12-20 02:33:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19919 states, 19918 states have (on average 1.1593533487297922) internal successors, (23092), 19918 states have internal predecessors, (23092), 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) [2023-12-20 02:33:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19919 states to 19919 states and 23092 transitions. [2023-12-20 02:33:34,537 INFO L78 Accepts]: Start accepts. Automaton has 19919 states and 23092 transitions. Word has length 177 [2023-12-20 02:33:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:34,538 INFO L495 AbstractCegarLoop]: Abstraction has 19919 states and 23092 transitions. [2023-12-20 02:33:34,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 19919 states and 23092 transitions. [2023-12-20 02:33:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:34,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:34,550 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] [2023-12-20 02:33:34,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-20 02:33:34,550 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:34,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:34,551 INFO L85 PathProgramCache]: Analyzing trace with hash -816897541, now seen corresponding path program 1 times [2023-12-20 02:33:34,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:34,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153417243] [2023-12-20 02:33:34,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:34,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:35,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:35,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153417243] [2023-12-20 02:33:35,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153417243] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:35,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:35,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:35,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349447869] [2023-12-20 02:33:35,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:35,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:35,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:35,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:35,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:35,168 INFO L87 Difference]: Start difference. First operand 19919 states and 23092 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:37,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:37,255 INFO L93 Difference]: Finished difference Result 25592 states and 30516 transitions. [2023-12-20 02:33:37,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-20 02:33:37,255 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:37,284 INFO L225 Difference]: With dead ends: 25592 [2023-12-20 02:33:37,284 INFO L226 Difference]: Without dead ends: 24369 [2023-12-20 02:33:37,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=375, Invalid=1347, Unknown=0, NotChecked=0, Total=1722 [2023-12-20 02:33:37,293 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 3833 mSDsluCounter, 10091 mSDsCounter, 0 mSdLazyCounter, 3884 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3833 SdHoareTripleChecker+Valid, 10939 SdHoareTripleChecker+Invalid, 3991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 3884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:37,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3833 Valid, 10939 Invalid, 3991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 3884 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 02:33:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24369 states. [2023-12-20 02:33:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24369 to 20137. [2023-12-20 02:33:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20137 states, 20136 states have (on average 1.1568831942789035) internal successors, (23295), 20136 states have internal predecessors, (23295), 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) [2023-12-20 02:33:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20137 states to 20137 states and 23295 transitions. [2023-12-20 02:33:37,515 INFO L78 Accepts]: Start accepts. Automaton has 20137 states and 23295 transitions. Word has length 177 [2023-12-20 02:33:37,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:37,516 INFO L495 AbstractCegarLoop]: Abstraction has 20137 states and 23295 transitions. [2023-12-20 02:33:37,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 20137 states and 23295 transitions. [2023-12-20 02:33:37,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:37,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:37,531 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] [2023-12-20 02:33:37,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-20 02:33:37,531 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:37,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:37,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1663529799, now seen corresponding path program 1 times [2023-12-20 02:33:37,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:37,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209976026] [2023-12-20 02:33:37,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:37,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:38,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:38,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209976026] [2023-12-20 02:33:38,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209976026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:38,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:38,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:38,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025418841] [2023-12-20 02:33:38,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:38,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:38,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:38,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:38,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:38,072 INFO L87 Difference]: Start difference. First operand 20137 states and 23295 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:40,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:40,107 INFO L93 Difference]: Finished difference Result 25537 states and 30457 transitions. [2023-12-20 02:33:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-20 02:33:40,107 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:40,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:40,136 INFO L225 Difference]: With dead ends: 25537 [2023-12-20 02:33:40,137 INFO L226 Difference]: Without dead ends: 24707 [2023-12-20 02:33:40,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=390, Invalid=1416, Unknown=0, NotChecked=0, Total=1806 [2023-12-20 02:33:40,145 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 5088 mSDsluCounter, 8707 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5088 SdHoareTripleChecker+Valid, 9425 SdHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:40,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5088 Valid, 9425 Invalid, 3593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 02:33:40,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24707 states. [2023-12-20 02:33:40,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24707 to 20627. [2023-12-20 02:33:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20627 states, 20626 states have (on average 1.1530107631145157) internal successors, (23782), 20626 states have internal predecessors, (23782), 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) [2023-12-20 02:33:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20627 states to 20627 states and 23782 transitions. [2023-12-20 02:33:40,459 INFO L78 Accepts]: Start accepts. Automaton has 20627 states and 23782 transitions. Word has length 177 [2023-12-20 02:33:40,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:40,459 INFO L495 AbstractCegarLoop]: Abstraction has 20627 states and 23782 transitions. [2023-12-20 02:33:40,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 20627 states and 23782 transitions. [2023-12-20 02:33:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:40,471 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:40,471 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] [2023-12-20 02:33:40,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-20 02:33:40,473 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:40,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:40,474 INFO L85 PathProgramCache]: Analyzing trace with hash 675434374, now seen corresponding path program 1 times [2023-12-20 02:33:40,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:40,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557703198] [2023-12-20 02:33:40,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:41,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:41,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557703198] [2023-12-20 02:33:41,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557703198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:41,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:41,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-20 02:33:41,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719067244] [2023-12-20 02:33:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:41,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-20 02:33:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-20 02:33:41,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2023-12-20 02:33:41,035 INFO L87 Difference]: Start difference. First operand 20627 states and 23782 transitions. Second operand has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 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) [2023-12-20 02:33:42,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:42,523 INFO L93 Difference]: Finished difference Result 21684 states and 25170 transitions. [2023-12-20 02:33:42,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-20 02:33:42,524 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:42,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:42,542 INFO L225 Difference]: With dead ends: 21684 [2023-12-20 02:33:42,542 INFO L226 Difference]: Without dead ends: 19731 [2023-12-20 02:33:42,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=281, Invalid=979, Unknown=0, NotChecked=0, Total=1260 [2023-12-20 02:33:42,547 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 3107 mSDsluCounter, 6111 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3107 SdHoareTripleChecker+Valid, 6710 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:42,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3107 Valid, 6710 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 02:33:42,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19731 states. [2023-12-20 02:33:42,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19731 to 19699. [2023-12-20 02:33:42,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19699 states, 19698 states have (on average 1.159051680373642) internal successors, (22831), 19698 states have internal predecessors, (22831), 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) [2023-12-20 02:33:42,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19699 states to 19699 states and 22831 transitions. [2023-12-20 02:33:42,717 INFO L78 Accepts]: Start accepts. Automaton has 19699 states and 22831 transitions. Word has length 177 [2023-12-20 02:33:42,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:42,717 INFO L495 AbstractCegarLoop]: Abstraction has 19699 states and 22831 transitions. [2023-12-20 02:33:42,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.85) internal successors, (177), 20 states have internal predecessors, (177), 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) [2023-12-20 02:33:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 19699 states and 22831 transitions. [2023-12-20 02:33:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-20 02:33:42,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:42,729 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] [2023-12-20 02:33:42,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-20 02:33:42,729 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:42,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:42,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1205053571, now seen corresponding path program 1 times [2023-12-20 02:33:42,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:42,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676034646] [2023-12-20 02:33:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:42,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:43,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:43,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676034646] [2023-12-20 02:33:43,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676034646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:43,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:43,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-12-20 02:33:43,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747527506] [2023-12-20 02:33:43,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:43,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-20 02:33:43,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-20 02:33:43,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-20 02:33:43,310 INFO L87 Difference]: Start difference. First operand 19699 states and 22831 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:45,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:45,791 INFO L93 Difference]: Finished difference Result 24485 states and 29170 transitions. [2023-12-20 02:33:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-20 02:33:45,791 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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 177 [2023-12-20 02:33:45,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:45,820 INFO L225 Difference]: With dead ends: 24485 [2023-12-20 02:33:45,820 INFO L226 Difference]: Without dead ends: 23839 [2023-12-20 02:33:45,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=428, Invalid=1552, Unknown=0, NotChecked=0, Total=1980 [2023-12-20 02:33:45,829 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 4129 mSDsluCounter, 10379 mSDsCounter, 0 mSdLazyCounter, 3663 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4129 SdHoareTripleChecker+Valid, 11234 SdHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 3663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:45,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4129 Valid, 11234 Invalid, 3764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 3663 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 02:33:45,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23839 states. [2023-12-20 02:33:46,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23839 to 20011. [2023-12-20 02:33:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20011 states, 20010 states have (on average 1.1568215892053972) internal successors, (23148), 20010 states have internal predecessors, (23148), 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) [2023-12-20 02:33:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20011 states to 20011 states and 23148 transitions. [2023-12-20 02:33:46,121 INFO L78 Accepts]: Start accepts. Automaton has 20011 states and 23148 transitions. Word has length 177 [2023-12-20 02:33:46,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:46,121 INFO L495 AbstractCegarLoop]: Abstraction has 20011 states and 23148 transitions. [2023-12-20 02:33:46,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 21 states have internal predecessors, (177), 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) [2023-12-20 02:33:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 20011 states and 23148 transitions. [2023-12-20 02:33:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-20 02:33:46,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:46,138 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] [2023-12-20 02:33:46,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-20 02:33:46,138 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:46,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:46,139 INFO L85 PathProgramCache]: Analyzing trace with hash 276867809, now seen corresponding path program 1 times [2023-12-20 02:33:46,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:46,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171003548] [2023-12-20 02:33:46,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:46,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:46,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:46,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171003548] [2023-12-20 02:33:46,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171003548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:46,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:46,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:33:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488894254] [2023-12-20 02:33:46,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:46,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:33:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:46,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:33:46,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:33:46,211 INFO L87 Difference]: Start difference. First operand 20011 states and 23148 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2023-12-20 02:33:46,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:46,347 INFO L93 Difference]: Finished difference Result 29933 states and 37322 transitions. [2023-12-20 02:33:46,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:33:46,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 180 [2023-12-20 02:33:46,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:46,377 INFO L225 Difference]: With dead ends: 29933 [2023-12-20 02:33:46,377 INFO L226 Difference]: Without dead ends: 24099 [2023-12-20 02:33:46,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:33:46,389 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 174 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:46,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 716 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:33:46,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24099 states. [2023-12-20 02:33:46,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24099 to 23937. [2023-12-20 02:33:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23937 states, 23936 states have (on average 1.1787266042780749) internal successors, (28214), 23936 states have internal predecessors, (28214), 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) [2023-12-20 02:33:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23937 states to 23937 states and 28214 transitions. [2023-12-20 02:33:46,668 INFO L78 Accepts]: Start accepts. Automaton has 23937 states and 28214 transitions. Word has length 180 [2023-12-20 02:33:46,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:46,668 INFO L495 AbstractCegarLoop]: Abstraction has 23937 states and 28214 transitions. [2023-12-20 02:33:46,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2023-12-20 02:33:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 23937 states and 28214 transitions. [2023-12-20 02:33:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-20 02:33:46,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:46,685 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] [2023-12-20 02:33:46,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-20 02:33:46,685 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:46,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:46,686 INFO L85 PathProgramCache]: Analyzing trace with hash 130152844, now seen corresponding path program 1 times [2023-12-20 02:33:46,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:46,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691843564] [2023-12-20 02:33:46,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:46,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:46,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:46,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691843564] [2023-12-20 02:33:46,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691843564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:46,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:46,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 02:33:46,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683661257] [2023-12-20 02:33:46,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:46,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 02:33:46,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:46,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 02:33:46,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 02:33:46,916 INFO L87 Difference]: Start difference. First operand 23937 states and 28214 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2023-12-20 02:33:47,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:47,053 INFO L93 Difference]: Finished difference Result 30937 states and 37994 transitions. [2023-12-20 02:33:47,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-20 02:33:47,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 181 [2023-12-20 02:33:47,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:47,098 INFO L225 Difference]: With dead ends: 30937 [2023-12-20 02:33:47,098 INFO L226 Difference]: Without dead ends: 30935 [2023-12-20 02:33:47,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-20 02:33:47,111 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 650 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:47,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 2256 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:47,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30935 states. [2023-12-20 02:33:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30935 to 23991. [2023-12-20 02:33:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23991 states, 23990 states have (on average 1.1783243017924134) internal successors, (28268), 23990 states have internal predecessors, (28268), 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) [2023-12-20 02:33:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23991 states to 23991 states and 28268 transitions. [2023-12-20 02:33:47,395 INFO L78 Accepts]: Start accepts. Automaton has 23991 states and 28268 transitions. Word has length 181 [2023-12-20 02:33:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:47,396 INFO L495 AbstractCegarLoop]: Abstraction has 23991 states and 28268 transitions. [2023-12-20 02:33:47,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2023-12-20 02:33:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 23991 states and 28268 transitions. [2023-12-20 02:33:47,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-20 02:33:47,408 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:47,408 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] [2023-12-20 02:33:47,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-20 02:33:47,409 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:47,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:47,409 INFO L85 PathProgramCache]: Analyzing trace with hash 131999886, now seen corresponding path program 1 times [2023-12-20 02:33:47,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:47,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110993518] [2023-12-20 02:33:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:47,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:47,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:47,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110993518] [2023-12-20 02:33:47,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110993518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:47,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:47,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:33:47,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613472320] [2023-12-20 02:33:47,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:47,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:33:47,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:47,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:33:47,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:33:47,530 INFO L87 Difference]: Start difference. First operand 23991 states and 28268 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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) [2023-12-20 02:33:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:47,621 INFO L93 Difference]: Finished difference Result 30487 states and 37222 transitions. [2023-12-20 02:33:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:33:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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 181 [2023-12-20 02:33:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:47,654 INFO L225 Difference]: With dead ends: 30487 [2023-12-20 02:33:47,654 INFO L226 Difference]: Without dead ends: 26115 [2023-12-20 02:33:47,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:33:47,666 INFO L413 NwaCegarLoop]: 451 mSDtfsCounter, 475 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:47,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 838 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:47,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26115 states. [2023-12-20 02:33:47,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26115 to 26077. [2023-12-20 02:33:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26077 states, 26076 states have (on average 1.1911336094493021) internal successors, (31060), 26076 states have internal predecessors, (31060), 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) [2023-12-20 02:33:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26077 states to 26077 states and 31060 transitions. [2023-12-20 02:33:47,975 INFO L78 Accepts]: Start accepts. Automaton has 26077 states and 31060 transitions. Word has length 181 [2023-12-20 02:33:47,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:47,975 INFO L495 AbstractCegarLoop]: Abstraction has 26077 states and 31060 transitions. [2023-12-20 02:33:47,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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) [2023-12-20 02:33:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 26077 states and 31060 transitions. [2023-12-20 02:33:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-20 02:33:47,993 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:47,994 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] [2023-12-20 02:33:47,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-20 02:33:47,994 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:47,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:47,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1021879231, now seen corresponding path program 1 times [2023-12-20 02:33:47,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:47,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206182041] [2023-12-20 02:33:47,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:47,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:48,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:48,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206182041] [2023-12-20 02:33:48,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206182041] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:48,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:48,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 02:33:48,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718828633] [2023-12-20 02:33:48,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:48,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 02:33:48,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:48,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 02:33:48,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 02:33:48,202 INFO L87 Difference]: Start difference. First operand 26077 states and 31060 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2023-12-20 02:33:48,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:48,331 INFO L93 Difference]: Finished difference Result 33717 states and 41676 transitions. [2023-12-20 02:33:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-20 02:33:48,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 181 [2023-12-20 02:33:48,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:48,373 INFO L225 Difference]: With dead ends: 33717 [2023-12-20 02:33:48,373 INFO L226 Difference]: Without dead ends: 33715 [2023-12-20 02:33:48,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-20 02:33:48,385 INFO L413 NwaCegarLoop]: 554 mSDtfsCounter, 649 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:48,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 2440 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33715 states. [2023-12-20 02:33:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33715 to 26131. [2023-12-20 02:33:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26131 states, 26130 states have (on average 1.1907386146192116) internal successors, (31114), 26130 states have internal predecessors, (31114), 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) [2023-12-20 02:33:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26131 states to 26131 states and 31114 transitions. [2023-12-20 02:33:48,742 INFO L78 Accepts]: Start accepts. Automaton has 26131 states and 31114 transitions. Word has length 181 [2023-12-20 02:33:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:48,743 INFO L495 AbstractCegarLoop]: Abstraction has 26131 states and 31114 transitions. [2023-12-20 02:33:48,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2023-12-20 02:33:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 26131 states and 31114 transitions. [2023-12-20 02:33:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-20 02:33:48,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:48,754 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] [2023-12-20 02:33:48,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-20 02:33:48,754 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:48,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:48,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1023726273, now seen corresponding path program 1 times [2023-12-20 02:33:48,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:48,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312670290] [2023-12-20 02:33:48,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:48,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:48,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:48,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312670290] [2023-12-20 02:33:48,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312670290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:48,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:48,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:33:48,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25572499] [2023-12-20 02:33:48,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:48,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:33:48,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:48,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:33:48,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:33:48,855 INFO L87 Difference]: Start difference. First operand 26131 states and 31114 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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) [2023-12-20 02:33:48,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:48,964 INFO L93 Difference]: Finished difference Result 32627 states and 40068 transitions. [2023-12-20 02:33:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:33:48,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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 181 [2023-12-20 02:33:48,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:48,991 INFO L225 Difference]: With dead ends: 32627 [2023-12-20 02:33:48,992 INFO L226 Difference]: Without dead ends: 28255 [2023-12-20 02:33:49,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:33:49,003 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 198 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:49,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 1296 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:49,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28255 states. [2023-12-20 02:33:49,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28255 to 28217. [2023-12-20 02:33:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28217 states, 28216 states have (on average 1.2016586333994896) internal successors, (33906), 28216 states have internal predecessors, (33906), 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) [2023-12-20 02:33:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28217 states to 28217 states and 33906 transitions. [2023-12-20 02:33:49,252 INFO L78 Accepts]: Start accepts. Automaton has 28217 states and 33906 transitions. Word has length 181 [2023-12-20 02:33:49,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:49,252 INFO L495 AbstractCegarLoop]: Abstraction has 28217 states and 33906 transitions. [2023-12-20 02:33:49,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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) [2023-12-20 02:33:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 28217 states and 33906 transitions. [2023-12-20 02:33:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-20 02:33:49,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:49,266 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] [2023-12-20 02:33:49,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-20 02:33:49,266 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:49,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:49,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1453992044, now seen corresponding path program 1 times [2023-12-20 02:33:49,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:49,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091185552] [2023-12-20 02:33:49,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:49,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:49,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:49,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091185552] [2023-12-20 02:33:49,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091185552] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:49,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:49,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 02:33:49,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754723165] [2023-12-20 02:33:49,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:49,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 02:33:49,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:49,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 02:33:49,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 02:33:49,415 INFO L87 Difference]: Start difference. First operand 28217 states and 33906 transitions. Second operand has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2023-12-20 02:33:49,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:49,530 INFO L93 Difference]: Finished difference Result 36440 states and 45275 transitions. [2023-12-20 02:33:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-20 02:33:49,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 181 [2023-12-20 02:33:49,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:49,573 INFO L225 Difference]: With dead ends: 36440 [2023-12-20 02:33:49,573 INFO L226 Difference]: Without dead ends: 36438 [2023-12-20 02:33:49,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-20 02:33:49,588 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 648 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:49,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 2372 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:49,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36438 states. [2023-12-20 02:33:49,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36438 to 28271. [2023-12-20 02:33:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28271 states, 28270 states have (on average 1.2012734347364697) internal successors, (33960), 28270 states have internal predecessors, (33960), 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) [2023-12-20 02:33:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28271 states to 28271 states and 33960 transitions. [2023-12-20 02:33:49,898 INFO L78 Accepts]: Start accepts. Automaton has 28271 states and 33960 transitions. Word has length 181 [2023-12-20 02:33:49,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:49,899 INFO L495 AbstractCegarLoop]: Abstraction has 28271 states and 33960 transitions. [2023-12-20 02:33:49,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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) [2023-12-20 02:33:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 28271 states and 33960 transitions. [2023-12-20 02:33:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-20 02:33:49,911 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:49,911 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] [2023-12-20 02:33:49,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-20 02:33:49,911 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:49,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:49,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1455839086, now seen corresponding path program 1 times [2023-12-20 02:33:49,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:49,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851436361] [2023-12-20 02:33:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:50,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:50,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851436361] [2023-12-20 02:33:50,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851436361] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:50,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:50,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:33:50,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19599198] [2023-12-20 02:33:50,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:50,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:33:50,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:50,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:33:50,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:33:50,022 INFO L87 Difference]: Start difference. First operand 28271 states and 33960 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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) [2023-12-20 02:33:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:50,122 INFO L93 Difference]: Finished difference Result 34749 states and 42896 transitions. [2023-12-20 02:33:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:33:50,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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 181 [2023-12-20 02:33:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:50,154 INFO L225 Difference]: With dead ends: 34749 [2023-12-20 02:33:50,154 INFO L226 Difference]: Without dead ends: 30377 [2023-12-20 02:33:50,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:33:50,164 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 293 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:50,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1131 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:33:50,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30377 states. [2023-12-20 02:33:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30377 to 30357. [2023-12-20 02:33:50,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30357 states, 30356 states have (on average 1.2106996969297668) internal successors, (36752), 30356 states have internal predecessors, (36752), 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) [2023-12-20 02:33:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30357 states to 30357 states and 36752 transitions. [2023-12-20 02:33:50,431 INFO L78 Accepts]: Start accepts. Automaton has 30357 states and 36752 transitions. Word has length 181 [2023-12-20 02:33:50,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:50,431 INFO L495 AbstractCegarLoop]: Abstraction has 30357 states and 36752 transitions. [2023-12-20 02:33:50,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 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) [2023-12-20 02:33:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 30357 states and 36752 transitions. [2023-12-20 02:33:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:33:50,442 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:50,442 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] [2023-12-20 02:33:50,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-20 02:33:50,442 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:50,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:50,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1417938516, now seen corresponding path program 1 times [2023-12-20 02:33:50,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:50,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108048987] [2023-12-20 02:33:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:50,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:50,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108048987] [2023-12-20 02:33:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108048987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:50,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:50,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-20 02:33:50,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625237537] [2023-12-20 02:33:50,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:50,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-20 02:33:50,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:50,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-20 02:33:50,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-12-20 02:33:50,939 INFO L87 Difference]: Start difference. First operand 30357 states and 36752 transitions. Second operand has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 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) [2023-12-20 02:33:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:33:52,205 INFO L93 Difference]: Finished difference Result 39907 states and 49250 transitions. [2023-12-20 02:33:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-20 02:33:52,206 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 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 183 [2023-12-20 02:33:52,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:33:52,248 INFO L225 Difference]: With dead ends: 39907 [2023-12-20 02:33:52,248 INFO L226 Difference]: Without dead ends: 38174 [2023-12-20 02:33:52,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1163, Unknown=0, NotChecked=0, Total=1560 [2023-12-20 02:33:52,261 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 3508 mSDsluCounter, 6910 mSDsCounter, 0 mSdLazyCounter, 1652 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3508 SdHoareTripleChecker+Valid, 7764 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 02:33:52,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3508 Valid, 7764 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1652 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 02:33:52,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38174 states. [2023-12-20 02:33:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38174 to 31120. [2023-12-20 02:33:52,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31120 states, 31119 states have (on average 1.2061120215945242) internal successors, (37533), 31119 states have internal predecessors, (37533), 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) [2023-12-20 02:33:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31120 states to 31120 states and 37533 transitions. [2023-12-20 02:33:52,614 INFO L78 Accepts]: Start accepts. Automaton has 31120 states and 37533 transitions. Word has length 183 [2023-12-20 02:33:52,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:33:52,614 INFO L495 AbstractCegarLoop]: Abstraction has 31120 states and 37533 transitions. [2023-12-20 02:33:52,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.4375) internal successors, (183), 16 states have internal predecessors, (183), 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) [2023-12-20 02:33:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 31120 states and 37533 transitions. [2023-12-20 02:33:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:33:52,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:33:52,626 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] [2023-12-20 02:33:52,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-20 02:33:52,626 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:33:52,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:33:52,627 INFO L85 PathProgramCache]: Analyzing trace with hash -865164286, now seen corresponding path program 1 times [2023-12-20 02:33:52,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:33:52,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997013923] [2023-12-20 02:33:52,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:33:52,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:33:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:33:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:33:53,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:33:53,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997013923] [2023-12-20 02:33:53,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997013923] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:33:53,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:33:53,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-20 02:33:53,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176762241] [2023-12-20 02:33:53,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:33:53,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-20 02:33:53,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:33:53,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-20 02:33:53,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2023-12-20 02:33:53,710 INFO L87 Difference]: Start difference. First operand 31120 states and 37533 transitions. Second operand has 26 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 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) [2023-12-20 02:34:20,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:20,361 INFO L93 Difference]: Finished difference Result 59468 states and 74532 transitions. [2023-12-20 02:34:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2023-12-20 02:34:20,361 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:20,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:20,429 INFO L225 Difference]: With dead ends: 59468 [2023-12-20 02:34:20,429 INFO L226 Difference]: Without dead ends: 58508 [2023-12-20 02:34:20,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 365 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55139 ImplicationChecksByTransitivity, 21.9s TimeCoverageRelationStatistics Valid=17914, Invalid=116408, Unknown=0, NotChecked=0, Total=134322 [2023-12-20 02:34:20,446 INFO L413 NwaCegarLoop]: 1237 mSDtfsCounter, 8210 mSDsluCounter, 16446 mSDsCounter, 0 mSdLazyCounter, 7746 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8210 SdHoareTripleChecker+Valid, 17683 SdHoareTripleChecker+Invalid, 8001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 7746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:20,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8210 Valid, 17683 Invalid, 8001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [255 Valid, 7746 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-20 02:34:20,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58508 states. [2023-12-20 02:34:20,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58508 to 31652. [2023-12-20 02:34:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31652 states, 31651 states have (on average 1.2101039461628385) internal successors, (38301), 31651 states have internal predecessors, (38301), 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) [2023-12-20 02:34:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31652 states to 31652 states and 38301 transitions. [2023-12-20 02:34:20,861 INFO L78 Accepts]: Start accepts. Automaton has 31652 states and 38301 transitions. Word has length 183 [2023-12-20 02:34:20,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:20,861 INFO L495 AbstractCegarLoop]: Abstraction has 31652 states and 38301 transitions. [2023-12-20 02:34:20,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.038461538461538) internal successors, (183), 26 states have internal predecessors, (183), 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) [2023-12-20 02:34:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 31652 states and 38301 transitions. [2023-12-20 02:34:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:20,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:20,873 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] [2023-12-20 02:34:20,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-20 02:34:20,874 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:20,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:20,874 INFO L85 PathProgramCache]: Analyzing trace with hash 214719614, now seen corresponding path program 1 times [2023-12-20 02:34:20,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:20,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598835733] [2023-12-20 02:34:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:21,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:21,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598835733] [2023-12-20 02:34:21,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598835733] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:21,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:21,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:34:21,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544331673] [2023-12-20 02:34:21,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:21,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:21,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:21,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:21,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:21,249 INFO L87 Difference]: Start difference. First operand 31652 states and 38301 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:21,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:21,769 INFO L93 Difference]: Finished difference Result 32254 states and 39095 transitions. [2023-12-20 02:34:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 02:34:21,770 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:21,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:21,805 INFO L225 Difference]: With dead ends: 32254 [2023-12-20 02:34:21,805 INFO L226 Difference]: Without dead ends: 29535 [2023-12-20 02:34:21,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2023-12-20 02:34:21,817 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 2908 mSDsluCounter, 3767 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2908 SdHoareTripleChecker+Valid, 4279 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:21,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2908 Valid, 4279 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 02:34:21,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29535 states. [2023-12-20 02:34:22,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29535 to 29477. [2023-12-20 02:34:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29477 states, 29476 states have (on average 1.2048785452571584) internal successors, (35515), 29476 states have internal predecessors, (35515), 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) [2023-12-20 02:34:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29477 states to 29477 states and 35515 transitions. [2023-12-20 02:34:22,138 INFO L78 Accepts]: Start accepts. Automaton has 29477 states and 35515 transitions. Word has length 183 [2023-12-20 02:34:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:22,138 INFO L495 AbstractCegarLoop]: Abstraction has 29477 states and 35515 transitions. [2023-12-20 02:34:22,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29477 states and 35515 transitions. [2023-12-20 02:34:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:22,153 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:22,153 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] [2023-12-20 02:34:22,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-20 02:34:22,154 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:22,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:22,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1906111623, now seen corresponding path program 1 times [2023-12-20 02:34:22,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:22,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020980185] [2023-12-20 02:34:22,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:22,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:22,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:22,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020980185] [2023-12-20 02:34:22,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020980185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:22,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:22,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:34:22,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834268326] [2023-12-20 02:34:22,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:22,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:22,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:22,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:22,790 INFO L87 Difference]: Start difference. First operand 29477 states and 35515 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:23,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:23,705 INFO L93 Difference]: Finished difference Result 40005 states and 49617 transitions. [2023-12-20 02:34:23,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-20 02:34:23,705 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:23,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:23,745 INFO L225 Difference]: With dead ends: 40005 [2023-12-20 02:34:23,745 INFO L226 Difference]: Without dead ends: 37913 [2023-12-20 02:34:23,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2023-12-20 02:34:23,757 INFO L413 NwaCegarLoop]: 792 mSDtfsCounter, 4312 mSDsluCounter, 5249 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4312 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:23,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4312 Valid, 6041 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 02:34:23,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37913 states. [2023-12-20 02:34:24,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37913 to 29488. [2023-12-20 02:34:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29488 states, 29487 states have (on average 1.2039881981890324) internal successors, (35502), 29487 states have internal predecessors, (35502), 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) [2023-12-20 02:34:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29488 states to 29488 states and 35502 transitions. [2023-12-20 02:34:24,059 INFO L78 Accepts]: Start accepts. Automaton has 29488 states and 35502 transitions. Word has length 183 [2023-12-20 02:34:24,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:24,059 INFO L495 AbstractCegarLoop]: Abstraction has 29488 states and 35502 transitions. [2023-12-20 02:34:24,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 29488 states and 35502 transitions. [2023-12-20 02:34:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:24,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:24,072 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] [2023-12-20 02:34:24,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-20 02:34:24,073 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:24,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:24,073 INFO L85 PathProgramCache]: Analyzing trace with hash 651809908, now seen corresponding path program 1 times [2023-12-20 02:34:24,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:24,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451875741] [2023-12-20 02:34:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:24,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:24,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451875741] [2023-12-20 02:34:24,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451875741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:24,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:24,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:34:24,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5665494] [2023-12-20 02:34:24,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:24,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:24,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:24,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:24,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:24,469 INFO L87 Difference]: Start difference. First operand 29488 states and 35502 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:25,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:25,819 INFO L93 Difference]: Finished difference Result 40046 states and 49629 transitions. [2023-12-20 02:34:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-20 02:34:25,819 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:25,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:25,856 INFO L225 Difference]: With dead ends: 40046 [2023-12-20 02:34:25,856 INFO L226 Difference]: Without dead ends: 38080 [2023-12-20 02:34:25,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2023-12-20 02:34:25,864 INFO L413 NwaCegarLoop]: 906 mSDtfsCounter, 3394 mSDsluCounter, 6207 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3394 SdHoareTripleChecker+Valid, 7113 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:25,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3394 Valid, 7113 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 02:34:25,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38080 states. [2023-12-20 02:34:26,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38080 to 29034. [2023-12-20 02:34:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29034 states, 29033 states have (on average 1.2063169496779527) internal successors, (35023), 29033 states have internal predecessors, (35023), 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) [2023-12-20 02:34:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29034 states to 29034 states and 35023 transitions. [2023-12-20 02:34:26,152 INFO L78 Accepts]: Start accepts. Automaton has 29034 states and 35023 transitions. Word has length 183 [2023-12-20 02:34:26,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:26,152 INFO L495 AbstractCegarLoop]: Abstraction has 29034 states and 35023 transitions. [2023-12-20 02:34:26,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29034 states and 35023 transitions. [2023-12-20 02:34:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:26,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:26,164 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] [2023-12-20 02:34:26,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-20 02:34:26,164 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:26,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2010499258, now seen corresponding path program 1 times [2023-12-20 02:34:26,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:26,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330444454] [2023-12-20 02:34:26,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:26,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:26,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:26,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:26,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330444454] [2023-12-20 02:34:26,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330444454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:26,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:26,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-20 02:34:26,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376013743] [2023-12-20 02:34:26,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:26,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-20 02:34:26,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:26,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-20 02:34:26,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-12-20 02:34:26,432 INFO L87 Difference]: Start difference. First operand 29034 states and 35023 transitions. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 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) [2023-12-20 02:34:27,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:27,002 INFO L93 Difference]: Finished difference Result 30277 states and 36693 transitions. [2023-12-20 02:34:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 02:34:27,003 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:27,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:27,032 INFO L225 Difference]: With dead ends: 30277 [2023-12-20 02:34:27,032 INFO L226 Difference]: Without dead ends: 27947 [2023-12-20 02:34:27,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2023-12-20 02:34:27,043 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 2660 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2660 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:27,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2660 Valid, 4438 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 02:34:27,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27947 states. [2023-12-20 02:34:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27947 to 27882. [2023-12-20 02:34:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27882 states, 27881 states have (on average 1.213371112944299) internal successors, (33830), 27881 states have internal predecessors, (33830), 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) [2023-12-20 02:34:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27882 states to 27882 states and 33830 transitions. [2023-12-20 02:34:27,304 INFO L78 Accepts]: Start accepts. Automaton has 27882 states and 33830 transitions. Word has length 183 [2023-12-20 02:34:27,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:27,304 INFO L495 AbstractCegarLoop]: Abstraction has 27882 states and 33830 transitions. [2023-12-20 02:34:27,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 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) [2023-12-20 02:34:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 27882 states and 33830 transitions. [2023-12-20 02:34:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:27,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:27,315 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] [2023-12-20 02:34:27,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-20 02:34:27,315 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:27,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash -436688351, now seen corresponding path program 1 times [2023-12-20 02:34:27,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:27,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369800675] [2023-12-20 02:34:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:27,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:27,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:27,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369800675] [2023-12-20 02:34:27,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369800675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:27,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:27,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:34:27,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994867363] [2023-12-20 02:34:27,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:27,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:27,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:27,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:27,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:27,819 INFO L87 Difference]: Start difference. First operand 27882 states and 33830 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:28,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:28,649 INFO L93 Difference]: Finished difference Result 37635 states and 46824 transitions. [2023-12-20 02:34:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-20 02:34:28,650 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:28,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:28,690 INFO L225 Difference]: With dead ends: 37635 [2023-12-20 02:34:28,690 INFO L226 Difference]: Without dead ends: 34899 [2023-12-20 02:34:28,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=871, Unknown=0, NotChecked=0, Total=1190 [2023-12-20 02:34:28,703 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 4876 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4876 SdHoareTripleChecker+Valid, 5728 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:28,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4876 Valid, 5728 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 02:34:28,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34899 states. [2023-12-20 02:34:28,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34899 to 27125. [2023-12-20 02:34:28,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27125 states, 27124 states have (on average 1.217298333579118) internal successors, (33018), 27124 states have internal predecessors, (33018), 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) [2023-12-20 02:34:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27125 states to 27125 states and 33018 transitions. [2023-12-20 02:34:28,992 INFO L78 Accepts]: Start accepts. Automaton has 27125 states and 33018 transitions. Word has length 183 [2023-12-20 02:34:28,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:28,992 INFO L495 AbstractCegarLoop]: Abstraction has 27125 states and 33018 transitions. [2023-12-20 02:34:28,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:28,992 INFO L276 IsEmpty]: Start isEmpty. Operand 27125 states and 33018 transitions. [2023-12-20 02:34:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:29,001 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:29,001 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] [2023-12-20 02:34:29,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-20 02:34:29,001 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:29,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:29,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1638833917, now seen corresponding path program 1 times [2023-12-20 02:34:29,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:29,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753313182] [2023-12-20 02:34:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:29,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:29,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:29,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753313182] [2023-12-20 02:34:29,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753313182] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:29,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:29,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-20 02:34:29,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718539874] [2023-12-20 02:34:29,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:29,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-20 02:34:29,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:29,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-20 02:34:29,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-20 02:34:29,285 INFO L87 Difference]: Start difference. First operand 27125 states and 33018 transitions. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 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) [2023-12-20 02:34:29,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:29,730 INFO L93 Difference]: Finished difference Result 31927 states and 39062 transitions. [2023-12-20 02:34:29,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 02:34:29,731 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:29,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:29,762 INFO L225 Difference]: With dead ends: 31927 [2023-12-20 02:34:29,762 INFO L226 Difference]: Without dead ends: 26211 [2023-12-20 02:34:29,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2023-12-20 02:34:29,772 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 2750 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 3939 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:29,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 3939 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 02:34:29,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26211 states. [2023-12-20 02:34:29,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26211 to 26132. [2023-12-20 02:34:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26132 states, 26131 states have (on average 1.2237954919444338) internal successors, (31979), 26131 states have internal predecessors, (31979), 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) [2023-12-20 02:34:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26132 states to 26132 states and 31979 transitions. [2023-12-20 02:34:30,034 INFO L78 Accepts]: Start accepts. Automaton has 26132 states and 31979 transitions. Word has length 183 [2023-12-20 02:34:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:30,034 INFO L495 AbstractCegarLoop]: Abstraction has 26132 states and 31979 transitions. [2023-12-20 02:34:30,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 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) [2023-12-20 02:34:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 26132 states and 31979 transitions. [2023-12-20 02:34:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:30,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:30,043 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] [2023-12-20 02:34:30,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-20 02:34:30,044 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:30,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:30,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2091227226, now seen corresponding path program 1 times [2023-12-20 02:34:30,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:30,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057839370] [2023-12-20 02:34:30,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:30,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:30,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057839370] [2023-12-20 02:34:30,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057839370] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:30,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:30,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:34:30,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933651379] [2023-12-20 02:34:30,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:30,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:30,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:30,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:30,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:30,564 INFO L87 Difference]: Start difference. First operand 26132 states and 31979 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:31,696 INFO L93 Difference]: Finished difference Result 38625 states and 48727 transitions. [2023-12-20 02:34:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-20 02:34:31,697 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:31,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:31,739 INFO L225 Difference]: With dead ends: 38625 [2023-12-20 02:34:31,739 INFO L226 Difference]: Without dead ends: 35722 [2023-12-20 02:34:31,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=364, Invalid=968, Unknown=0, NotChecked=0, Total=1332 [2023-12-20 02:34:31,751 INFO L413 NwaCegarLoop]: 983 mSDtfsCounter, 3513 mSDsluCounter, 6628 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3513 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:31,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3513 Valid, 7611 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 02:34:31,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35722 states. [2023-12-20 02:34:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35722 to 25999. [2023-12-20 02:34:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25999 states, 25998 states have (on average 1.2239787675975076) internal successors, (31821), 25998 states have internal predecessors, (31821), 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) [2023-12-20 02:34:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25999 states to 25999 states and 31821 transitions. [2023-12-20 02:34:32,040 INFO L78 Accepts]: Start accepts. Automaton has 25999 states and 31821 transitions. Word has length 183 [2023-12-20 02:34:32,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:32,040 INFO L495 AbstractCegarLoop]: Abstraction has 25999 states and 31821 transitions. [2023-12-20 02:34:32,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25999 states and 31821 transitions. [2023-12-20 02:34:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:32,048 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:32,048 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] [2023-12-20 02:34:32,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-20 02:34:32,049 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:32,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:32,049 INFO L85 PathProgramCache]: Analyzing trace with hash -310691411, now seen corresponding path program 1 times [2023-12-20 02:34:32,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:32,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097879566] [2023-12-20 02:34:32,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:32,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:32,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:32,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097879566] [2023-12-20 02:34:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097879566] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:32,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:32,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-20 02:34:32,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405174209] [2023-12-20 02:34:32,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:32,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-20 02:34:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:32,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-20 02:34:32,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-12-20 02:34:32,665 INFO L87 Difference]: Start difference. First operand 25999 states and 31821 transitions. Second operand has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 18 states have internal predecessors, (183), 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) [2023-12-20 02:34:34,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:34,245 INFO L93 Difference]: Finished difference Result 36227 states and 45350 transitions. [2023-12-20 02:34:34,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 02:34:34,246 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 18 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:34,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:34,283 INFO L225 Difference]: With dead ends: 36227 [2023-12-20 02:34:34,283 INFO L226 Difference]: Without dead ends: 33741 [2023-12-20 02:34:34,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=327, Invalid=1079, Unknown=0, NotChecked=0, Total=1406 [2023-12-20 02:34:34,291 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 3268 mSDsluCounter, 9802 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 11153 SdHoareTripleChecker+Invalid, 2352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:34,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 11153 Invalid, 2352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 02:34:34,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33741 states. [2023-12-20 02:34:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33741 to 31596. [2023-12-20 02:34:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31596 states, 31595 states have (on average 1.242506725747745) internal successors, (39257), 31595 states have internal predecessors, (39257), 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) [2023-12-20 02:34:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31596 states to 31596 states and 39257 transitions. [2023-12-20 02:34:34,590 INFO L78 Accepts]: Start accepts. Automaton has 31596 states and 39257 transitions. Word has length 183 [2023-12-20 02:34:34,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:34,590 INFO L495 AbstractCegarLoop]: Abstraction has 31596 states and 39257 transitions. [2023-12-20 02:34:34,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.631578947368421) internal successors, (183), 18 states have internal predecessors, (183), 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) [2023-12-20 02:34:34,590 INFO L276 IsEmpty]: Start isEmpty. Operand 31596 states and 39257 transitions. [2023-12-20 02:34:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:34,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:34,599 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] [2023-12-20 02:34:34,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-20 02:34:34,600 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:34,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:34,600 INFO L85 PathProgramCache]: Analyzing trace with hash -20788894, now seen corresponding path program 1 times [2023-12-20 02:34:34,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:34,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263723252] [2023-12-20 02:34:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:34,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:34,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263723252] [2023-12-20 02:34:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263723252] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:34,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:34,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-20 02:34:34,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604495041] [2023-12-20 02:34:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:34,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:34,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:34,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:34,978 INFO L87 Difference]: Start difference. First operand 31596 states and 39257 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 14 states have internal predecessors, (183), 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) [2023-12-20 02:34:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:35,847 INFO L93 Difference]: Finished difference Result 31686 states and 39344 transitions. [2023-12-20 02:34:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 02:34:35,847 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 14 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:35,877 INFO L225 Difference]: With dead ends: 31686 [2023-12-20 02:34:35,877 INFO L226 Difference]: Without dead ends: 24938 [2023-12-20 02:34:35,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2023-12-20 02:34:35,890 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 2439 mSDsluCounter, 5403 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 6115 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:35,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 6115 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 02:34:35,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24938 states. [2023-12-20 02:34:36,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24938 to 24845. [2023-12-20 02:34:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24845 states, 24844 states have (on average 1.2321284817259701) internal successors, (30611), 24844 states have internal predecessors, (30611), 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) [2023-12-20 02:34:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24845 states to 24845 states and 30611 transitions. [2023-12-20 02:34:36,127 INFO L78 Accepts]: Start accepts. Automaton has 24845 states and 30611 transitions. Word has length 183 [2023-12-20 02:34:36,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:36,127 INFO L495 AbstractCegarLoop]: Abstraction has 24845 states and 30611 transitions. [2023-12-20 02:34:36,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 14 states have internal predecessors, (183), 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) [2023-12-20 02:34:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 24845 states and 30611 transitions. [2023-12-20 02:34:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:36,134 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:36,135 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] [2023-12-20 02:34:36,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-20 02:34:36,135 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:36,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:36,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1162152240, now seen corresponding path program 1 times [2023-12-20 02:34:36,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:36,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199101933] [2023-12-20 02:34:36,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:36,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:36,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:36,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199101933] [2023-12-20 02:34:36,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199101933] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:36,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:36,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:34:36,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531445354] [2023-12-20 02:34:36,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:36,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:36,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:36,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:36,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:36,582 INFO L87 Difference]: Start difference. First operand 24845 states and 30611 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:37,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:37,603 INFO L93 Difference]: Finished difference Result 37603 states and 47709 transitions. [2023-12-20 02:34:37,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-20 02:34:37,604 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:37,649 INFO L225 Difference]: With dead ends: 37603 [2023-12-20 02:34:37,650 INFO L226 Difference]: Without dead ends: 34967 [2023-12-20 02:34:37,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=348, Invalid=912, Unknown=0, NotChecked=0, Total=1260 [2023-12-20 02:34:37,663 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 5223 mSDsluCounter, 4231 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5223 SdHoareTripleChecker+Valid, 4834 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:37,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5223 Valid, 4834 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 02:34:37,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34967 states. [2023-12-20 02:34:37,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34967 to 24674. [2023-12-20 02:34:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24674 states, 24673 states have (on average 1.2331698617922426) internal successors, (30426), 24673 states have internal predecessors, (30426), 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) [2023-12-20 02:34:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24674 states to 24674 states and 30426 transitions. [2023-12-20 02:34:37,927 INFO L78 Accepts]: Start accepts. Automaton has 24674 states and 30426 transitions. Word has length 183 [2023-12-20 02:34:37,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:37,927 INFO L495 AbstractCegarLoop]: Abstraction has 24674 states and 30426 transitions. [2023-12-20 02:34:37,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 24674 states and 30426 transitions. [2023-12-20 02:34:37,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-20 02:34:37,934 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:37,934 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] [2023-12-20 02:34:37,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-20 02:34:37,934 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:37,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:37,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1799352963, now seen corresponding path program 1 times [2023-12-20 02:34:37,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:37,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494953225] [2023-12-20 02:34:37,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:37,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:38,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:38,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494953225] [2023-12-20 02:34:38,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494953225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:38,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:38,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-20 02:34:38,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983756031] [2023-12-20 02:34:38,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:38,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-20 02:34:38,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:38,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-20 02:34:38,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-12-20 02:34:38,392 INFO L87 Difference]: Start difference. First operand 24674 states and 30426 transitions. Second operand has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:39,543 INFO L93 Difference]: Finished difference Result 34492 states and 43752 transitions. [2023-12-20 02:34:39,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-20 02:34:39,544 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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 183 [2023-12-20 02:34:39,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:39,583 INFO L225 Difference]: With dead ends: 34492 [2023-12-20 02:34:39,583 INFO L226 Difference]: Without dead ends: 32339 [2023-12-20 02:34:39,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=338, Invalid=922, Unknown=0, NotChecked=0, Total=1260 [2023-12-20 02:34:39,595 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 3691 mSDsluCounter, 5974 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3691 SdHoareTripleChecker+Valid, 6860 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:39,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3691 Valid, 6860 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 02:34:39,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32339 states. [2023-12-20 02:34:39,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32339 to 24421. [2023-12-20 02:34:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24421 states, 24420 states have (on average 1.2344799344799344) internal successors, (30146), 24420 states have internal predecessors, (30146), 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) [2023-12-20 02:34:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24421 states to 24421 states and 30146 transitions. [2023-12-20 02:34:39,908 INFO L78 Accepts]: Start accepts. Automaton has 24421 states and 30146 transitions. Word has length 183 [2023-12-20 02:34:39,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:39,908 INFO L495 AbstractCegarLoop]: Abstraction has 24421 states and 30146 transitions. [2023-12-20 02:34:39,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.2) internal successors, (183), 15 states have internal predecessors, (183), 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) [2023-12-20 02:34:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24421 states and 30146 transitions. [2023-12-20 02:34:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-20 02:34:39,917 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:39,918 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:39,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-20 02:34:39,918 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:39,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:39,918 INFO L85 PathProgramCache]: Analyzing trace with hash 430285414, now seen corresponding path program 1 times [2023-12-20 02:34:39,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:39,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206762689] [2023-12-20 02:34:39,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:40,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:40,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206762689] [2023-12-20 02:34:40,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206762689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:40,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:40,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:34:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226709828] [2023-12-20 02:34:40,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:40,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:34:40,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:40,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:34:40,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:34:40,011 INFO L87 Difference]: Start difference. First operand 24421 states and 30146 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2023-12-20 02:34:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:40,149 INFO L93 Difference]: Finished difference Result 35235 states and 45009 transitions. [2023-12-20 02:34:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:34:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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 195 [2023-12-20 02:34:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:40,182 INFO L225 Difference]: With dead ends: 35235 [2023-12-20 02:34:40,183 INFO L226 Difference]: Without dead ends: 28777 [2023-12-20 02:34:40,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-20 02:34:40,195 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 612 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:40,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 1256 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:34:40,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28777 states. [2023-12-20 02:34:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28777 to 26597. [2023-12-20 02:34:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26597 states, 26596 states have (on average 1.2425176718303503) internal successors, (33046), 26596 states have internal predecessors, (33046), 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) [2023-12-20 02:34:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26597 states to 26597 states and 33046 transitions. [2023-12-20 02:34:40,444 INFO L78 Accepts]: Start accepts. Automaton has 26597 states and 33046 transitions. Word has length 195 [2023-12-20 02:34:40,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:40,444 INFO L495 AbstractCegarLoop]: Abstraction has 26597 states and 33046 transitions. [2023-12-20 02:34:40,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2023-12-20 02:34:40,445 INFO L276 IsEmpty]: Start isEmpty. Operand 26597 states and 33046 transitions. [2023-12-20 02:34:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-20 02:34:40,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:40,453 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:40,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-20 02:34:40,453 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:40,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:40,454 INFO L85 PathProgramCache]: Analyzing trace with hash -275712167, now seen corresponding path program 1 times [2023-12-20 02:34:40,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:40,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645503700] [2023-12-20 02:34:40,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:40,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:40,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:40,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645503700] [2023-12-20 02:34:40,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645503700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:40,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:40,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:34:40,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297322500] [2023-12-20 02:34:40,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:40,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:34:40,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:40,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:34:40,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:34:40,545 INFO L87 Difference]: Start difference. First operand 26597 states and 33046 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2023-12-20 02:34:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:40,685 INFO L93 Difference]: Finished difference Result 35235 states and 44901 transitions. [2023-12-20 02:34:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:34:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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 195 [2023-12-20 02:34:40,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:40,717 INFO L225 Difference]: With dead ends: 35235 [2023-12-20 02:34:40,717 INFO L226 Difference]: Without dead ends: 28777 [2023-12-20 02:34:40,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-20 02:34:40,730 INFO L413 NwaCegarLoop]: 544 mSDtfsCounter, 517 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:40,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1359 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:34:40,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28777 states. [2023-12-20 02:34:40,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28777 to 26597. [2023-12-20 02:34:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26597 states, 26596 states have (on average 1.239810497819221) internal successors, (32974), 26596 states have internal predecessors, (32974), 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) [2023-12-20 02:34:40,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26597 states to 26597 states and 32974 transitions. [2023-12-20 02:34:40,987 INFO L78 Accepts]: Start accepts. Automaton has 26597 states and 32974 transitions. Word has length 195 [2023-12-20 02:34:40,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:40,988 INFO L495 AbstractCegarLoop]: Abstraction has 26597 states and 32974 transitions. [2023-12-20 02:34:40,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2023-12-20 02:34:40,988 INFO L276 IsEmpty]: Start isEmpty. Operand 26597 states and 32974 transitions. [2023-12-20 02:34:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-20 02:34:40,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:40,997 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:40,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-20 02:34:40,997 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:40,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:40,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1067600198, now seen corresponding path program 1 times [2023-12-20 02:34:40,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:40,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121696543] [2023-12-20 02:34:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:40,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:41,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:41,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121696543] [2023-12-20 02:34:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121696543] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:41,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:41,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:34:41,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95734673] [2023-12-20 02:34:41,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:41,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:34:41,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:41,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:34:41,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:34:41,083 INFO L87 Difference]: Start difference. First operand 26597 states and 32974 transitions. Second operand has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2023-12-20 02:34:41,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:41,201 INFO L93 Difference]: Finished difference Result 35235 states and 44793 transitions. [2023-12-20 02:34:41,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:34:41,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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 195 [2023-12-20 02:34:41,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:41,232 INFO L225 Difference]: With dead ends: 35235 [2023-12-20 02:34:41,232 INFO L226 Difference]: Without dead ends: 28777 [2023-12-20 02:34:41,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-20 02:34:41,243 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 680 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:41,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 1014 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:41,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28777 states. [2023-12-20 02:34:41,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28777 to 24421. [2023-12-20 02:34:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24421 states, 24420 states have (on average 1.2241605241605242) internal successors, (29894), 24420 states have internal predecessors, (29894), 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) [2023-12-20 02:34:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24421 states to 24421 states and 29894 transitions. [2023-12-20 02:34:41,456 INFO L78 Accepts]: Start accepts. Automaton has 24421 states and 29894 transitions. Word has length 195 [2023-12-20 02:34:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:41,456 INFO L495 AbstractCegarLoop]: Abstraction has 24421 states and 29894 transitions. [2023-12-20 02:34:41,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2023-12-20 02:34:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 24421 states and 29894 transitions. [2023-12-20 02:34:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-20 02:34:41,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:41,465 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:41,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-20 02:34:41,465 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:41,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1285791070, now seen corresponding path program 1 times [2023-12-20 02:34:41,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:41,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127337544] [2023-12-20 02:34:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:41,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:41,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127337544] [2023-12-20 02:34:41,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127337544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:41,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:41,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:34:41,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704933757] [2023-12-20 02:34:41,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:41,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:34:41,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:41,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:34:41,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:41,588 INFO L87 Difference]: Start difference. First operand 24421 states and 29894 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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) [2023-12-20 02:34:41,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:41,687 INFO L93 Difference]: Finished difference Result 37337 states and 47368 transitions. [2023-12-20 02:34:41,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:34:41,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 196 [2023-12-20 02:34:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:41,715 INFO L225 Difference]: With dead ends: 37337 [2023-12-20 02:34:41,715 INFO L226 Difference]: Without dead ends: 26599 [2023-12-20 02:34:41,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:41,727 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 187 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:41,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 960 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:41,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26599 states. [2023-12-20 02:34:41,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26599 to 26597. [2023-12-20 02:34:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26597 states, 26596 states have (on average 1.228981801774703) internal successors, (32686), 26596 states have internal predecessors, (32686), 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) [2023-12-20 02:34:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26597 states to 26597 states and 32686 transitions. [2023-12-20 02:34:41,961 INFO L78 Accepts]: Start accepts. Automaton has 26597 states and 32686 transitions. Word has length 196 [2023-12-20 02:34:41,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:41,962 INFO L495 AbstractCegarLoop]: Abstraction has 26597 states and 32686 transitions. [2023-12-20 02:34:41,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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) [2023-12-20 02:34:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 26597 states and 32686 transitions. [2023-12-20 02:34:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-20 02:34:41,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:41,973 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:41,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-20 02:34:41,973 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:41,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:41,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1291098050, now seen corresponding path program 1 times [2023-12-20 02:34:41,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:41,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458280416] [2023-12-20 02:34:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:41,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:42,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:42,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458280416] [2023-12-20 02:34:42,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458280416] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:42,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:42,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:34:42,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766633347] [2023-12-20 02:34:42,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:42,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:34:42,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:42,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:34:42,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:42,050 INFO L87 Difference]: Start difference. First operand 26597 states and 32686 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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) [2023-12-20 02:34:42,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:42,155 INFO L93 Difference]: Finished difference Result 33075 states and 41442 transitions. [2023-12-20 02:34:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:34:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 196 [2023-12-20 02:34:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:42,184 INFO L225 Difference]: With dead ends: 33075 [2023-12-20 02:34:42,184 INFO L226 Difference]: Without dead ends: 26617 [2023-12-20 02:34:42,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:42,196 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 159 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:42,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1069 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:42,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26617 states. [2023-12-20 02:34:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26617 to 26597. [2023-12-20 02:34:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26597 states, 26596 states have (on average 1.2262746277635734) internal successors, (32614), 26596 states have internal predecessors, (32614), 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) [2023-12-20 02:34:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26597 states to 26597 states and 32614 transitions. [2023-12-20 02:34:42,436 INFO L78 Accepts]: Start accepts. Automaton has 26597 states and 32614 transitions. Word has length 196 [2023-12-20 02:34:42,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:42,436 INFO L495 AbstractCegarLoop]: Abstraction has 26597 states and 32614 transitions. [2023-12-20 02:34:42,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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) [2023-12-20 02:34:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 26597 states and 32614 transitions. [2023-12-20 02:34:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-20 02:34:42,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:42,445 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:42,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-20 02:34:42,446 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:42,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1491711487, now seen corresponding path program 1 times [2023-12-20 02:34:42,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:42,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414935073] [2023-12-20 02:34:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:42,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:42,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414935073] [2023-12-20 02:34:42,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414935073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:42,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:42,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:34:42,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963304865] [2023-12-20 02:34:42,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:42,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:34:42,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:42,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:34:42,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:42,526 INFO L87 Difference]: Start difference. First operand 26597 states and 32614 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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) [2023-12-20 02:34:42,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:42,645 INFO L93 Difference]: Finished difference Result 41689 states and 52844 transitions. [2023-12-20 02:34:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:34:42,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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 197 [2023-12-20 02:34:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:42,676 INFO L225 Difference]: With dead ends: 41689 [2023-12-20 02:34:42,676 INFO L226 Difference]: Without dead ends: 28775 [2023-12-20 02:34:42,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:42,691 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 195 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:42,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 939 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28775 states. [2023-12-20 02:34:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28775 to 28773. [2023-12-20 02:34:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28773 states, 28772 states have (on average 1.2280689559293758) internal successors, (35334), 28772 states have internal predecessors, (35334), 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) [2023-12-20 02:34:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28773 states to 28773 states and 35334 transitions. [2023-12-20 02:34:42,934 INFO L78 Accepts]: Start accepts. Automaton has 28773 states and 35334 transitions. Word has length 197 [2023-12-20 02:34:42,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:42,934 INFO L495 AbstractCegarLoop]: Abstraction has 28773 states and 35334 transitions. [2023-12-20 02:34:42,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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) [2023-12-20 02:34:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 28773 states and 35334 transitions. [2023-12-20 02:34:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-20 02:34:42,943 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:42,943 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:42,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-12-20 02:34:42,943 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:42,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:42,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1632868914, now seen corresponding path program 1 times [2023-12-20 02:34:42,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:42,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065544696] [2023-12-20 02:34:42,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:42,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:43,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:43,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065544696] [2023-12-20 02:34:43,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065544696] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:43,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:43,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:34:43,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248280836] [2023-12-20 02:34:43,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:43,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:34:43,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:43,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:34:43,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:43,014 INFO L87 Difference]: Start difference. First operand 28773 states and 35334 transitions. Second operand has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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) [2023-12-20 02:34:43,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:43,117 INFO L93 Difference]: Finished difference Result 35269 states and 44000 transitions. [2023-12-20 02:34:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:34:43,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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 197 [2023-12-20 02:34:43,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:43,147 INFO L225 Difference]: With dead ends: 35269 [2023-12-20 02:34:43,147 INFO L226 Difference]: Without dead ends: 28811 [2023-12-20 02:34:43,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:43,159 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 169 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:43,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 1092 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:43,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28811 states. [2023-12-20 02:34:43,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28811 to 28773. [2023-12-20 02:34:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28773 states, 28772 states have (on average 1.2255665230084805) internal successors, (35262), 28772 states have internal predecessors, (35262), 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) [2023-12-20 02:34:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28773 states to 28773 states and 35262 transitions. [2023-12-20 02:34:43,417 INFO L78 Accepts]: Start accepts. Automaton has 28773 states and 35262 transitions. Word has length 197 [2023-12-20 02:34:43,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:43,417 INFO L495 AbstractCegarLoop]: Abstraction has 28773 states and 35262 transitions. [2023-12-20 02:34:43,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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) [2023-12-20 02:34:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 28773 states and 35262 transitions. [2023-12-20 02:34:43,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-20 02:34:43,428 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:43,428 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:43,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-12-20 02:34:43,429 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:43,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1836243547, now seen corresponding path program 1 times [2023-12-20 02:34:43,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:43,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911059225] [2023-12-20 02:34:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:43,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:43,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:43,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911059225] [2023-12-20 02:34:43,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911059225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:43,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:43,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:34:43,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418830953] [2023-12-20 02:34:43,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:43,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:34:43,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:43,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:34:43,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:43,515 INFO L87 Difference]: Start difference. First operand 28773 states and 35262 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2023-12-20 02:34:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:43,633 INFO L93 Difference]: Finished difference Result 35269 states and 43820 transitions. [2023-12-20 02:34:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:34:43,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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 198 [2023-12-20 02:34:43,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:43,668 INFO L225 Difference]: With dead ends: 35269 [2023-12-20 02:34:43,669 INFO L226 Difference]: Without dead ends: 28811 [2023-12-20 02:34:43,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:43,682 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 188 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:43,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1006 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:43,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28811 states. [2023-12-20 02:34:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28811 to 28773. [2023-12-20 02:34:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28773 states, 28772 states have (on average 1.223064090087585) internal successors, (35190), 28772 states have internal predecessors, (35190), 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) [2023-12-20 02:34:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28773 states to 28773 states and 35190 transitions. [2023-12-20 02:34:43,940 INFO L78 Accepts]: Start accepts. Automaton has 28773 states and 35190 transitions. Word has length 198 [2023-12-20 02:34:43,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:43,940 INFO L495 AbstractCegarLoop]: Abstraction has 28773 states and 35190 transitions. [2023-12-20 02:34:43,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2023-12-20 02:34:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 28773 states and 35190 transitions. [2023-12-20 02:34:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-20 02:34:43,952 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:43,952 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:43,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-12-20 02:34:43,952 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:43,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:43,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1917156488, now seen corresponding path program 1 times [2023-12-20 02:34:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167212665] [2023-12-20 02:34:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:44,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:44,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167212665] [2023-12-20 02:34:44,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167212665] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:44,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:44,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 02:34:44,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444620848] [2023-12-20 02:34:44,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:44,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-20 02:34:44,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:44,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-20 02:34:44,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:44,085 INFO L87 Difference]: Start difference. First operand 28773 states and 35190 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2023-12-20 02:34:44,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:44,203 INFO L93 Difference]: Finished difference Result 41689 states and 52304 transitions. [2023-12-20 02:34:44,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-20 02:34:44,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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 198 [2023-12-20 02:34:44,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:44,238 INFO L225 Difference]: With dead ends: 41689 [2023-12-20 02:34:44,238 INFO L226 Difference]: Without dead ends: 28775 [2023-12-20 02:34:44,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-20 02:34:44,255 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 323 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:44,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 860 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28775 states. [2023-12-20 02:34:44,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28775 to 28773. [2023-12-20 02:34:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28773 states, 28772 states have (on average 1.2155567913248992) internal successors, (34974), 28772 states have internal predecessors, (34974), 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) [2023-12-20 02:34:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28773 states to 28773 states and 34974 transitions. [2023-12-20 02:34:44,527 INFO L78 Accepts]: Start accepts. Automaton has 28773 states and 34974 transitions. Word has length 198 [2023-12-20 02:34:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:44,528 INFO L495 AbstractCegarLoop]: Abstraction has 28773 states and 34974 transitions. [2023-12-20 02:34:44,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2023-12-20 02:34:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 28773 states and 34974 transitions. [2023-12-20 02:34:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-20 02:34:44,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:44,541 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:44,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-12-20 02:34:44,541 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:44,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:44,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1288766605, now seen corresponding path program 1 times [2023-12-20 02:34:44,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:44,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667086120] [2023-12-20 02:34:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:44,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:44,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:44,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667086120] [2023-12-20 02:34:44,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667086120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:44,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:44,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:34:44,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570039855] [2023-12-20 02:34:44,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:44,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:34:44,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:44,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:34:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:34:44,650 INFO L87 Difference]: Start difference. First operand 28773 states and 34974 transitions. Second operand has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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) [2023-12-20 02:34:44,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:44,781 INFO L93 Difference]: Finished difference Result 35055 states and 43101 transitions. [2023-12-20 02:34:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:34:44,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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 201 [2023-12-20 02:34:44,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:44,815 INFO L225 Difference]: With dead ends: 35055 [2023-12-20 02:34:44,816 INFO L226 Difference]: Without dead ends: 28597 [2023-12-20 02:34:44,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-20 02:34:44,829 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 689 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:44,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 1015 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28597 states. [2023-12-20 02:34:45,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28597 to 28593. [2023-12-20 02:34:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28593 states, 28592 states have (on average 1.208100167879127) internal successors, (34542), 28592 states have internal predecessors, (34542), 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) [2023-12-20 02:34:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28593 states to 28593 states and 34542 transitions. [2023-12-20 02:34:45,138 INFO L78 Accepts]: Start accepts. Automaton has 28593 states and 34542 transitions. Word has length 201 [2023-12-20 02:34:45,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:45,138 INFO L495 AbstractCegarLoop]: Abstraction has 28593 states and 34542 transitions. [2023-12-20 02:34:45,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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) [2023-12-20 02:34:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 28593 states and 34542 transitions. [2023-12-20 02:34:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-20 02:34:45,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:45,152 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:45,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-12-20 02:34:45,152 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:45,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:45,153 INFO L85 PathProgramCache]: Analyzing trace with hash -287994330, now seen corresponding path program 1 times [2023-12-20 02:34:45,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:45,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938768527] [2023-12-20 02:34:45,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:45,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:45,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938768527] [2023-12-20 02:34:45,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938768527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:45,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:45,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:34:45,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324792389] [2023-12-20 02:34:45,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:45,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:34:45,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:45,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:34:45,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:34:45,282 INFO L87 Difference]: Start difference. First operand 28593 states and 34542 transitions. Second operand has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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) [2023-12-20 02:34:45,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:45,414 INFO L93 Difference]: Finished difference Result 34875 states and 42669 transitions. [2023-12-20 02:34:45,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:34:45,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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 201 [2023-12-20 02:34:45,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:45,449 INFO L225 Difference]: With dead ends: 34875 [2023-12-20 02:34:45,449 INFO L226 Difference]: Without dead ends: 28417 [2023-12-20 02:34:45,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-20 02:34:45,461 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 497 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:45,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 1331 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:34:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28417 states. [2023-12-20 02:34:45,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28417 to 28413. [2023-12-20 02:34:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28413 states, 28412 states have (on average 1.2005490637758693) internal successors, (34110), 28412 states have internal predecessors, (34110), 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) [2023-12-20 02:34:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28413 states to 28413 states and 34110 transitions. [2023-12-20 02:34:45,709 INFO L78 Accepts]: Start accepts. Automaton has 28413 states and 34110 transitions. Word has length 201 [2023-12-20 02:34:45,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:45,710 INFO L495 AbstractCegarLoop]: Abstraction has 28413 states and 34110 transitions. [2023-12-20 02:34:45,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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) [2023-12-20 02:34:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 28413 states and 34110 transitions. [2023-12-20 02:34:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-12-20 02:34:45,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:45,722 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:45,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-12-20 02:34:45,722 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:45,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:45,723 INFO L85 PathProgramCache]: Analyzing trace with hash 719443, now seen corresponding path program 1 times [2023-12-20 02:34:45,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:45,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500256335] [2023-12-20 02:34:45,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:45,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:45,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:45,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500256335] [2023-12-20 02:34:45,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500256335] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:45,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:45,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 02:34:45,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862655549] [2023-12-20 02:34:45,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:45,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 02:34:45,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:45,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 02:34:45,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-20 02:34:45,833 INFO L87 Difference]: Start difference. First operand 28413 states and 34110 transitions. Second operand has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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) [2023-12-20 02:34:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:45,944 INFO L93 Difference]: Finished difference Result 34695 states and 42237 transitions. [2023-12-20 02:34:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 02:34:45,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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 201 [2023-12-20 02:34:45,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:45,974 INFO L225 Difference]: With dead ends: 34695 [2023-12-20 02:34:45,974 INFO L226 Difference]: Without dead ends: 28237 [2023-12-20 02:34:45,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-20 02:34:45,985 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 645 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:45,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 991 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28237 states. [2023-12-20 02:34:46,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28237 to 28233. [2023-12-20 02:34:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28233 states, 28232 states have (on average 1.1929016718617171) internal successors, (33678), 28232 states have internal predecessors, (33678), 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) [2023-12-20 02:34:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28233 states to 28233 states and 33678 transitions. [2023-12-20 02:34:46,225 INFO L78 Accepts]: Start accepts. Automaton has 28233 states and 33678 transitions. Word has length 201 [2023-12-20 02:34:46,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:46,225 INFO L495 AbstractCegarLoop]: Abstraction has 28233 states and 33678 transitions. [2023-12-20 02:34:46,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 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) [2023-12-20 02:34:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 28233 states and 33678 transitions. [2023-12-20 02:34:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-20 02:34:46,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:46,238 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:46,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-12-20 02:34:46,238 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:46,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:46,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1394983290, now seen corresponding path program 1 times [2023-12-20 02:34:46,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:46,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626505673] [2023-12-20 02:34:46,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:46,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:46,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:46,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626505673] [2023-12-20 02:34:46,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626505673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:46,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:46,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:34:46,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618937624] [2023-12-20 02:34:46,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:46,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:34:46,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:46,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:34:46,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:34:46,288 INFO L87 Difference]: Start difference. First operand 28233 states and 33678 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2023-12-20 02:34:46,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:46,443 INFO L93 Difference]: Finished difference Result 62833 states and 77996 transitions. [2023-12-20 02:34:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:34:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 202 [2023-12-20 02:34:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:46,491 INFO L225 Difference]: With dead ends: 62833 [2023-12-20 02:34:46,492 INFO L226 Difference]: Without dead ends: 44003 [2023-12-20 02:34:46,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:34:46,515 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 293 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:46,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 553 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:46,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44003 states. [2023-12-20 02:34:46,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44003 to 43839. [2023-12-20 02:34:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43839 states, 43838 states have (on average 1.2231853642958164) internal successors, (53622), 43838 states have internal predecessors, (53622), 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) [2023-12-20 02:34:46,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43839 states to 43839 states and 53622 transitions. [2023-12-20 02:34:46,899 INFO L78 Accepts]: Start accepts. Automaton has 43839 states and 53622 transitions. Word has length 202 [2023-12-20 02:34:46,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:46,899 INFO L495 AbstractCegarLoop]: Abstraction has 43839 states and 53622 transitions. [2023-12-20 02:34:46,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2023-12-20 02:34:46,899 INFO L276 IsEmpty]: Start isEmpty. Operand 43839 states and 53622 transitions. [2023-12-20 02:34:46,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-20 02:34:46,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:46,912 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:46,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-12-20 02:34:46,913 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:46,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:46,913 INFO L85 PathProgramCache]: Analyzing trace with hash -21409751, now seen corresponding path program 1 times [2023-12-20 02:34:46,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:46,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829944968] [2023-12-20 02:34:46,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:46,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:47,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:47,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829944968] [2023-12-20 02:34:47,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829944968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:47,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:47,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 02:34:47,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071089763] [2023-12-20 02:34:47,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:47,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 02:34:47,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:47,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 02:34:47,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-20 02:34:47,050 INFO L87 Difference]: Start difference. First operand 43839 states and 53622 transitions. Second operand has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 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) [2023-12-20 02:34:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:47,821 INFO L93 Difference]: Finished difference Result 134497 states and 168010 transitions. [2023-12-20 02:34:47,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 02:34:47,822 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 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 202 [2023-12-20 02:34:47,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:47,970 INFO L225 Difference]: With dead ends: 134497 [2023-12-20 02:34:47,970 INFO L226 Difference]: Without dead ends: 112238 [2023-12-20 02:34:47,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-12-20 02:34:48,000 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 2142 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:48,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2142 Valid, 1138 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 02:34:48,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112238 states. [2023-12-20 02:34:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112238 to 50736. [2023-12-20 02:34:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50736 states, 50735 states have (on average 1.2211688183699616) internal successors, (61956), 50735 states have internal predecessors, (61956), 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) [2023-12-20 02:34:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50736 states to 50736 states and 61956 transitions. [2023-12-20 02:34:48,796 INFO L78 Accepts]: Start accepts. Automaton has 50736 states and 61956 transitions. Word has length 202 [2023-12-20 02:34:48,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:48,797 INFO L495 AbstractCegarLoop]: Abstraction has 50736 states and 61956 transitions. [2023-12-20 02:34:48,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 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) [2023-12-20 02:34:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 50736 states and 61956 transitions. [2023-12-20 02:34:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-20 02:34:48,810 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:48,811 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:48,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-12-20 02:34:48,811 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:48,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:48,811 INFO L85 PathProgramCache]: Analyzing trace with hash 697928438, now seen corresponding path program 1 times [2023-12-20 02:34:48,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:48,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182179984] [2023-12-20 02:34:48,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:48,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:48,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:48,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182179984] [2023-12-20 02:34:48,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182179984] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:48,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:48,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 02:34:48,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612554624] [2023-12-20 02:34:48,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:48,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 02:34:48,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:48,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 02:34:48,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-20 02:34:48,950 INFO L87 Difference]: Start difference. First operand 50736 states and 61956 transitions. Second operand has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 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) [2023-12-20 02:34:49,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:49,898 INFO L93 Difference]: Finished difference Result 140632 states and 176003 transitions. [2023-12-20 02:34:49,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 02:34:49,899 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 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 202 [2023-12-20 02:34:49,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:50,083 INFO L225 Difference]: With dead ends: 140632 [2023-12-20 02:34:50,083 INFO L226 Difference]: Without dead ends: 114565 [2023-12-20 02:34:50,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-12-20 02:34:50,129 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 2387 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2387 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:50,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2387 Valid, 1203 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 02:34:50,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114565 states. [2023-12-20 02:34:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114565 to 69728. [2023-12-20 02:34:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69728 states, 69727 states have (on average 1.2286918984037747) internal successors, (85673), 69727 states have internal predecessors, (85673), 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) [2023-12-20 02:34:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69728 states to 69728 states and 85673 transitions. [2023-12-20 02:34:51,300 INFO L78 Accepts]: Start accepts. Automaton has 69728 states and 85673 transitions. Word has length 202 [2023-12-20 02:34:51,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:51,302 INFO L495 AbstractCegarLoop]: Abstraction has 69728 states and 85673 transitions. [2023-12-20 02:34:51,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.25) internal successors, (202), 7 states have internal predecessors, (202), 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) [2023-12-20 02:34:51,302 INFO L276 IsEmpty]: Start isEmpty. Operand 69728 states and 85673 transitions. [2023-12-20 02:34:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-20 02:34:51,317 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:51,317 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:51,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-12-20 02:34:51,317 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:51,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:51,317 INFO L85 PathProgramCache]: Analyzing trace with hash -2070965259, now seen corresponding path program 1 times [2023-12-20 02:34:51,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:51,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029438446] [2023-12-20 02:34:51,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:51,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:51,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:51,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029438446] [2023-12-20 02:34:51,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029438446] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:51,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:51,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 02:34:51,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874254080] [2023-12-20 02:34:51,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:51,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 02:34:51,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:51,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 02:34:51,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:34:51,374 INFO L87 Difference]: Start difference. First operand 69728 states and 85673 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-12-20 02:34:51,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:51,978 INFO L93 Difference]: Finished difference Result 163754 states and 204639 transitions. [2023-12-20 02:34:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 02:34:51,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 203 [2023-12-20 02:34:51,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:52,178 INFO L225 Difference]: With dead ends: 163754 [2023-12-20 02:34:52,178 INFO L226 Difference]: Without dead ends: 103429 [2023-12-20 02:34:52,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 02:34:52,211 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 279 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:52,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 02:34:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103429 states. [2023-12-20 02:34:53,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103429 to 102779. [2023-12-20 02:34:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102779 states, 102778 states have (on average 1.2385724571406331) internal successors, (127298), 102778 states have internal predecessors, (127298), 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) [2023-12-20 02:34:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102779 states to 102779 states and 127298 transitions. [2023-12-20 02:34:53,672 INFO L78 Accepts]: Start accepts. Automaton has 102779 states and 127298 transitions. Word has length 203 [2023-12-20 02:34:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 02:34:53,672 INFO L495 AbstractCegarLoop]: Abstraction has 102779 states and 127298 transitions. [2023-12-20 02:34:53,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-12-20 02:34:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 102779 states and 127298 transitions. [2023-12-20 02:34:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-20 02:34:53,689 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 02:34:53,689 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 02:34:53,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-12-20 02:34:53,689 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-12-20 02:34:53,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 02:34:53,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1772671173, now seen corresponding path program 1 times [2023-12-20 02:34:53,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 02:34:53,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788587664] [2023-12-20 02:34:53,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 02:34:53,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 02:34:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 02:34:53,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 02:34:53,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 02:34:53,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788587664] [2023-12-20 02:34:53,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788587664] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 02:34:53,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 02:34:53,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 02:34:53,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049731393] [2023-12-20 02:34:53,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 02:34:53,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 02:34:53,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 02:34:53,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 02:34:53,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-20 02:34:53,886 INFO L87 Difference]: Start difference. First operand 102779 states and 127298 transitions. Second operand has 8 states, 8 states have (on average 25.375) internal successors, (203), 7 states have internal predecessors, (203), 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) [2023-12-20 02:34:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 02:34:54,928 INFO L93 Difference]: Finished difference Result 243164 states and 304379 transitions. [2023-12-20 02:34:54,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 02:34:54,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.375) internal successors, (203), 7 states have internal predecessors, (203), 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 203 [2023-12-20 02:34:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 02:34:55,256 INFO L225 Difference]: With dead ends: 243164 [2023-12-20 02:34:55,257 INFO L226 Difference]: Without dead ends: 182936 [2023-12-20 02:34:55,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-12-20 02:34:55,339 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 2608 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2608 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 02:34:55,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2608 Valid, 1308 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 02:34:55,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182936 states. [2023-12-20 02:34:56,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182936 to 119170. [2023-12-20 02:34:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119170 states, 119169 states have (on average 1.2401463467848182) internal successors, (147787), 119169 states have internal predecessors, (147787), 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)