/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d128_e0.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 19:19:12,546 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 19:19:12,607 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2023-12-16 19:19:12,625 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 19:19:12,625 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 19:19:12,650 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 19:19:12,650 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 19:19:12,650 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 19:19:12,651 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 19:19:12,651 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 19:19:12,651 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 19:19:12,651 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 19:19:12,652 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 19:19:12,652 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 19:19:12,652 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 19:19:12,652 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 19:19:12,653 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 19:19:12,653 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-16 19:19:12,653 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 19:19:12,653 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 19:19:12,654 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 19:19:12,654 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 19:19:12,654 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 19:19:12,654 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 19:19:12,655 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 19:19:12,655 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 19:19:12,655 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 19:19:12,655 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 19:19:12,655 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 19:19:12,655 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:19:12,656 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 19:19:12,656 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 19:19:12,656 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 19:19:12,656 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-16 19:19:12,656 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 19:19:12,656 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 19:19:12,657 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 19:19:12,657 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 19:19:12,657 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 19:19:12,657 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 19:19:12,657 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-16 19:19:12,844 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 19:19:12,864 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 19:19:12,866 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 19:19:12,867 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 19:19:12,867 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 19:19:12,868 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d128_e0.c
[2023-12-16 19:19:14,005 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 19:19:14,685 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 19:19:14,686 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d128_e0.c
[2023-12-16 19:19:14,716 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd6b9b5c/9c25af43b72f4e5e8e037cd58c2d6784/FLAGae3e052c6
[2023-12-16 19:19:14,727 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd6b9b5c/9c25af43b72f4e5e8e037cd58c2d6784
[2023-12-16 19:19:14,729 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 19:19:14,730 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 19:19:14,731 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 19:19:14,731 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 19:19:14,734 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 19:19:14,735 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:19:14" (1/1) ...
[2023-12-16 19:19:14,736 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31098b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:14, skipping insertion in model container
[2023-12-16 19:19:14,736 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:19:14" (1/1) ...
[2023-12-16 19:19:14,830 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 19:19:14,990 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d128_e0.c[1281,1294]
[2023-12-16 19:19:15,436 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:19:15,443 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 19:19:15,451 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d128_e0.c[1281,1294]
[2023-12-16 19:19:15,654 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 19:19:15,667 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 19:19:15,667 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15 WrapperNode
[2023-12-16 19:19:15,667 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 19:19:15,668 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 19:19:15,668 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 19:19:15,668 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 19:19:15,673 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:15,805 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:16,817 INFO  L138                Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11263
[2023-12-16 19:19:16,817 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 19:19:16,818 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 19:19:16,818 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 19:19:16,818 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 19:19:16,826 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:16,828 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:16,974 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,144 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 19:19:17,144 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,144 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,446 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,496 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,578 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,612 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,731 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 19:19:17,733 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 19:19:17,733 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 19:19:17,733 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 19:19:17,734 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (1/1) ...
[2023-12-16 19:19:17,738 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 19:19:17,745 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 19:19:17,775 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 19:19:17,797 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 19:19:17,804 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 19:19:17,804 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-16 19:19:17,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-16 19:19:17,804 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 19:19:17,804 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 19:19:17,805 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 19:19:18,533 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 19:19:18,534 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 19:19:22,711 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 19:19:22,861 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 19:19:22,862 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 19:19:22,862 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:19:22 BoogieIcfgContainer
[2023-12-16 19:19:22,862 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 19:19:22,863 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 19:19:22,863 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 19:19:22,866 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 19:19:22,866 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:19:14" (1/3) ...
[2023-12-16 19:19:22,866 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed23d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:19:22, skipping insertion in model container
[2023-12-16 19:19:22,866 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:19:15" (2/3) ...
[2023-12-16 19:19:22,867 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed23d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:19:22, skipping insertion in model container
[2023-12-16 19:19:22,867 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:19:22" (3/3) ...
[2023-12-16 19:19:22,868 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.circular_pointer_top_w64_d128_e0.c
[2023-12-16 19:19:22,880 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 19:19:22,880 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 19:19:22,932 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 19:19:22,936 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;@748c35c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 19:19:22,936 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 19:19:22,944 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2097 states, 2091 states have (on average 1.6652319464371115) internal successors, (3482), 2092 states have internal predecessors, (3482), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:22,966 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 597
[2023-12-16 19:19:22,967 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:22,968 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:22,968 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:22,971 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:22,972 INFO  L85        PathProgramCache]: Analyzing trace with hash 1547718542, now seen corresponding path program 1 times
[2023-12-16 19:19:22,978 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:22,978 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580900340]
[2023-12-16 19:19:22,979 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:22,979 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:23,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:23,918 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:23,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:23,923 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:23,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:23,932 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:23,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:23,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:23,939 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:23,939 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580900340]
[2023-12-16 19:19:23,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580900340] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:23,940 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:23,940 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 19:19:23,941 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308762142]
[2023-12-16 19:19:23,942 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:23,948 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 19:19:23,948 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:23,976 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 19:19:23,977 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 19:19:23,981 INFO  L87              Difference]: Start difference. First operand  has 2097 states, 2091 states have (on average 1.6652319464371115) internal successors, (3482), 2092 states have internal predecessors, (3482), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 2 states, 2 states have (on average 292.0) internal successors, (584), 2 states have internal predecessors, (584), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-12-16 19:19:24,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:24,080 INFO  L93              Difference]: Finished difference Result 3780 states and 6292 transitions.
[2023-12-16 19:19:24,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 19:19:24,083 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 292.0) internal successors, (584), 2 states have internal predecessors, (584), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 596
[2023-12-16 19:19:24,086 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:24,105 INFO  L225             Difference]: With dead ends: 3780
[2023-12-16 19:19:24,105 INFO  L226             Difference]: Without dead ends: 2095
[2023-12-16 19:19:24,113 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 19:19:24,116 INFO  L413           NwaCegarLoop]: 3482 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3482 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:24,117 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3482 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:19:24,132 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2095 states.
[2023-12-16 19:19:24,199 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2095.
[2023-12-16 19:19:24,204 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2095 states, 2090 states have (on average 1.6636363636363636) internal successors, (3477), 2090 states have internal predecessors, (3477), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:24,209 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 3483 transitions.
[2023-12-16 19:19:24,210 INFO  L78                 Accepts]: Start accepts. Automaton has 2095 states and 3483 transitions. Word has length 596
[2023-12-16 19:19:24,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:24,213 INFO  L495      AbstractCegarLoop]: Abstraction has 2095 states and 3483 transitions.
[2023-12-16 19:19:24,214 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 292.0) internal successors, (584), 2 states have internal predecessors, (584), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-12-16 19:19:24,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 2095 states and 3483 transitions.
[2023-12-16 19:19:24,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 597
[2023-12-16 19:19:24,221 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:24,221 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:24,222 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 19:19:24,222 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:24,223 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:24,223 INFO  L85        PathProgramCache]: Analyzing trace with hash -1066043704, now seen corresponding path program 1 times
[2023-12-16 19:19:24,223 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:24,223 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561833331]
[2023-12-16 19:19:24,224 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:24,224 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:24,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:26,874 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:26,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:26,876 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:26,876 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:26,877 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:26,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:26,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:26,880 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:26,880 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561833331]
[2023-12-16 19:19:26,881 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561833331] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:26,881 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:26,881 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:19:26,881 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142274882]
[2023-12-16 19:19:26,881 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:26,883 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:19:26,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:26,884 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:19:26,884 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:19:26,884 INFO  L87              Difference]: Start difference. First operand 2095 states and 3483 transitions. Second operand  has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:26,965 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:26,965 INFO  L93              Difference]: Finished difference Result 2099 states and 3487 transitions.
[2023-12-16 19:19:26,965 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:26,966 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 596
[2023-12-16 19:19:26,967 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:26,972 INFO  L225             Difference]: With dead ends: 2099
[2023-12-16 19:19:26,973 INFO  L226             Difference]: Without dead ends: 2097
[2023-12-16 19:19:26,974 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:19:26,975 INFO  L413           NwaCegarLoop]: 3480 mSDtfsCounter, 1 mSDsluCounter, 6955 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10435 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:26,975 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10435 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:19:26,978 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2097 states.
[2023-12-16 19:19:27,006 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2097.
[2023-12-16 19:19:27,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2097 states, 2092 states have (on average 1.6630019120458892) internal successors, (3479), 2092 states have internal predecessors, (3479), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:27,015 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 3485 transitions.
[2023-12-16 19:19:27,015 INFO  L78                 Accepts]: Start accepts. Automaton has 2097 states and 3485 transitions. Word has length 596
[2023-12-16 19:19:27,017 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:27,017 INFO  L495      AbstractCegarLoop]: Abstraction has 2097 states and 3485 transitions.
[2023-12-16 19:19:27,018 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:27,018 INFO  L276                IsEmpty]: Start isEmpty. Operand 2097 states and 3485 transitions.
[2023-12-16 19:19:27,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 598
[2023-12-16 19:19:27,025 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:27,025 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:27,026 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 19:19:27,026 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:27,026 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:27,026 INFO  L85        PathProgramCache]: Analyzing trace with hash 1314111942, now seen corresponding path program 1 times
[2023-12-16 19:19:27,026 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:27,027 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272981454]
[2023-12-16 19:19:27,027 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:27,027 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:27,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:28,396 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:28,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:28,400 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:28,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:28,401 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:28,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:28,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:28,405 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:28,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272981454]
[2023-12-16 19:19:28,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272981454] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:28,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:28,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:28,407 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384370804]
[2023-12-16 19:19:28,407 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:28,408 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:28,408 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:28,410 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:28,413 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:28,415 INFO  L87              Difference]: Start difference. First operand 2097 states and 3485 transitions. Second operand  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:29,434 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:29,438 INFO  L93              Difference]: Finished difference Result 5312 states and 8782 transitions.
[2023-12-16 19:19:29,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-16 19:19:29,438 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 597
[2023-12-16 19:19:29,439 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:29,445 INFO  L225             Difference]: With dead ends: 5312
[2023-12-16 19:19:29,445 INFO  L226             Difference]: Without dead ends: 2097
[2023-12-16 19:19:29,449 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-16 19:19:29,450 INFO  L413           NwaCegarLoop]: 3403 mSDtfsCounter, 7513 mSDsluCounter, 6288 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7513 SdHoareTripleChecker+Valid, 9691 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:29,451 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [7513 Valid, 9691 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2023-12-16 19:19:29,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2097 states.
[2023-12-16 19:19:29,476 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2097.
[2023-12-16 19:19:29,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2097 states, 2092 states have (on average 1.6625239005736139) internal successors, (3478), 2092 states have internal predecessors, (3478), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:29,484 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 3484 transitions.
[2023-12-16 19:19:29,484 INFO  L78                 Accepts]: Start accepts. Automaton has 2097 states and 3484 transitions. Word has length 597
[2023-12-16 19:19:29,484 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:29,485 INFO  L495      AbstractCegarLoop]: Abstraction has 2097 states and 3484 transitions.
[2023-12-16 19:19:29,485 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:29,485 INFO  L276                IsEmpty]: Start isEmpty. Operand 2097 states and 3484 transitions.
[2023-12-16 19:19:29,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 599
[2023-12-16 19:19:29,491 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:29,491 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:29,491 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 19:19:29,492 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:29,492 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:29,492 INFO  L85        PathProgramCache]: Analyzing trace with hash -1313022660, now seen corresponding path program 1 times
[2023-12-16 19:19:29,492 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:29,492 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505170210]
[2023-12-16 19:19:29,492 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:29,492 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:29,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:30,756 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:30,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:30,758 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:30,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:30,765 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:30,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:30,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:30,768 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:30,768 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505170210]
[2023-12-16 19:19:30,768 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505170210] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:30,768 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:30,768 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:19:30,768 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027984356]
[2023-12-16 19:19:30,768 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:30,769 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:19:30,769 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:30,770 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:19:30,770 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:19:30,770 INFO  L87              Difference]: Start difference. First operand 2097 states and 3484 transitions. Second operand  has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:30,840 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:30,840 INFO  L93              Difference]: Finished difference Result 3785 states and 6286 transitions.
[2023-12-16 19:19:30,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:30,841 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 598
[2023-12-16 19:19:30,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:30,847 INFO  L225             Difference]: With dead ends: 3785
[2023-12-16 19:19:30,847 INFO  L226             Difference]: Without dead ends: 2100
[2023-12-16 19:19:30,852 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:19:30,857 INFO  L413           NwaCegarLoop]: 3479 mSDtfsCounter, 1 mSDsluCounter, 6951 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10430 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:30,858 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10430 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 19:19:30,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2100 states.
[2023-12-16 19:19:30,883 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2099.
[2023-12-16 19:19:30,886 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.66189111747851) internal successors, (3480), 2094 states have internal predecessors, (3480), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:30,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3486 transitions.
[2023-12-16 19:19:30,890 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3486 transitions. Word has length 598
[2023-12-16 19:19:30,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:30,891 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3486 transitions.
[2023-12-16 19:19:30,891 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:30,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3486 transitions.
[2023-12-16 19:19:30,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 600
[2023-12-16 19:19:30,898 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:30,898 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:30,898 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-16 19:19:30,898 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:30,898 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:30,899 INFO  L85        PathProgramCache]: Analyzing trace with hash 2035541484, now seen corresponding path program 1 times
[2023-12-16 19:19:30,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:30,899 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280276018]
[2023-12-16 19:19:30,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:30,899 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:31,207 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:32,913 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:32,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:32,916 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:32,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:32,921 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:32,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:32,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:32,926 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:32,926 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280276018]
[2023-12-16 19:19:32,926 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280276018] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:32,926 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:32,926 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 19:19:32,926 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655187023]
[2023-12-16 19:19:32,926 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:32,927 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 19:19:32,927 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:32,928 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 19:19:32,928 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 19:19:32,928 INFO  L87              Difference]: Start difference. First operand 2099 states and 3486 transitions. Second operand  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:33,618 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:33,618 INFO  L93              Difference]: Finished difference Result 3786 states and 6286 transitions.
[2023-12-16 19:19:33,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:33,619 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 599
[2023-12-16 19:19:33,620 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:33,625 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:33,625 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:33,627 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:33,628 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 2924 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:33,628 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2924 Valid, 5936 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:33,630 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:33,657 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:33,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6614135625596944) internal successors, (3479), 2094 states have internal predecessors, (3479), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:33,665 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3485 transitions.
[2023-12-16 19:19:33,665 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3485 transitions. Word has length 599
[2023-12-16 19:19:33,666 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:33,666 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3485 transitions.
[2023-12-16 19:19:33,667 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:33,667 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3485 transitions.
[2023-12-16 19:19:33,673 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 601
[2023-12-16 19:19:33,674 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:33,674 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:33,674 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-16 19:19:33,674 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:33,675 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:33,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -1155959804, now seen corresponding path program 1 times
[2023-12-16 19:19:33,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:33,678 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084606510]
[2023-12-16 19:19:33,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:33,679 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:33,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:34,657 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:34,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:34,660 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:34,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:34,663 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:34,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:34,666 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:34,666 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:34,666 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084606510]
[2023-12-16 19:19:34,666 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084606510] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:34,667 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:34,667 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:34,667 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607254568]
[2023-12-16 19:19:34,667 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:34,667 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:34,667 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:34,668 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:34,668 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:34,669 INFO  L87              Difference]: Start difference. First operand 2099 states and 3485 transitions. Second operand  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:35,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:35,392 INFO  L93              Difference]: Finished difference Result 3894 states and 6445 transitions.
[2023-12-16 19:19:35,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-16 19:19:35,393 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 600
[2023-12-16 19:19:35,394 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:35,400 INFO  L225             Difference]: With dead ends: 3894
[2023-12-16 19:19:35,400 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:35,402 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-16 19:19:35,403 INFO  L413           NwaCegarLoop]: 3421 mSDtfsCounter, 3140 mSDsluCounter, 6393 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 9814 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:35,403 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 9814 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:35,405 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:35,426 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:35,429 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6609360076408788) internal successors, (3478), 2094 states have internal predecessors, (3478), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:35,437 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3484 transitions.
[2023-12-16 19:19:35,437 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3484 transitions. Word has length 600
[2023-12-16 19:19:35,438 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:35,438 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3484 transitions.
[2023-12-16 19:19:35,438 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:35,438 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3484 transitions.
[2023-12-16 19:19:35,442 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 602
[2023-12-16 19:19:35,442 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:35,442 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:35,442 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-12-16 19:19:35,443 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:35,443 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:35,443 INFO  L85        PathProgramCache]: Analyzing trace with hash 258229992, now seen corresponding path program 1 times
[2023-12-16 19:19:35,443 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:35,443 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47915271]
[2023-12-16 19:19:35,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:35,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:35,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:36,480 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:36,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:36,483 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:36,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:36,484 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:36,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:36,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:36,487 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:36,487 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47915271]
[2023-12-16 19:19:36,487 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47915271] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:36,487 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:36,487 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:36,487 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412333242]
[2023-12-16 19:19:36,487 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:36,488 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:36,488 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:36,489 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:36,489 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:36,489 INFO  L87              Difference]: Start difference. First operand 2099 states and 3484 transitions. Second operand  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:37,490 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:37,491 INFO  L93              Difference]: Finished difference Result 3786 states and 6282 transitions.
[2023-12-16 19:19:37,491 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:37,492 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 601
[2023-12-16 19:19:37,492 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:37,499 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:37,499 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:37,501 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:37,503 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 3470 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:37,503 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 5942 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2023-12-16 19:19:37,505 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:37,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:37,540 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.660458452722063) internal successors, (3477), 2094 states have internal predecessors, (3477), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:37,545 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3483 transitions.
[2023-12-16 19:19:37,545 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3483 transitions. Word has length 601
[2023-12-16 19:19:37,546 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:37,546 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3483 transitions.
[2023-12-16 19:19:37,547 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:37,547 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3483 transitions.
[2023-12-16 19:19:37,551 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 603
[2023-12-16 19:19:37,551 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:37,551 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:37,551 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-12-16 19:19:37,552 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:37,552 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:37,552 INFO  L85        PathProgramCache]: Analyzing trace with hash 81244138, now seen corresponding path program 1 times
[2023-12-16 19:19:37,552 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:37,552 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354121051]
[2023-12-16 19:19:37,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:37,553 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:37,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:38,559 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:38,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:38,563 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:38,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:38,564 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:38,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:38,567 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:38,567 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:38,568 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354121051]
[2023-12-16 19:19:38,568 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354121051] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:38,568 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:38,568 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:38,568 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504063599]
[2023-12-16 19:19:38,568 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:38,569 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:38,569 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:38,569 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:38,570 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:38,570 INFO  L87              Difference]: Start difference. First operand 2099 states and 3483 transitions. Second operand  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:39,276 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:39,276 INFO  L93              Difference]: Finished difference Result 3786 states and 6280 transitions.
[2023-12-16 19:19:39,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:39,277 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 602
[2023-12-16 19:19:39,278 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:39,283 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:39,283 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:39,285 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:39,286 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 3466 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:39,287 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3469 Valid, 5942 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-12-16 19:19:39,289 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:39,314 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:39,317 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6599808978032473) internal successors, (3476), 2094 states have internal predecessors, (3476), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:39,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3482 transitions.
[2023-12-16 19:19:39,320 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3482 transitions. Word has length 602
[2023-12-16 19:19:39,321 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:39,321 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3482 transitions.
[2023-12-16 19:19:39,321 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:39,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3482 transitions.
[2023-12-16 19:19:39,325 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 604
[2023-12-16 19:19:39,326 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:39,326 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:39,326 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-12-16 19:19:39,326 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:39,327 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:39,327 INFO  L85        PathProgramCache]: Analyzing trace with hash 475129870, now seen corresponding path program 1 times
[2023-12-16 19:19:39,327 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:39,327 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020336728]
[2023-12-16 19:19:39,327 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:39,327 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:39,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:40,355 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:40,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:40,358 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:40,359 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:40,360 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:40,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:40,364 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:40,364 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:40,364 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020336728]
[2023-12-16 19:19:40,364 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020336728] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:40,364 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:40,364 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:40,364 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175171262]
[2023-12-16 19:19:40,364 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:40,365 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:40,365 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:40,366 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:40,366 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:40,367 INFO  L87              Difference]: Start difference. First operand 2099 states and 3482 transitions. Second operand  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:41,115 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:41,115 INFO  L93              Difference]: Finished difference Result 3786 states and 6278 transitions.
[2023-12-16 19:19:41,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:41,115 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 603
[2023-12-16 19:19:41,116 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:41,121 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:41,121 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:41,123 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:41,124 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6478 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6481 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:41,124 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6481 Valid, 5936 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-12-16 19:19:41,126 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:41,145 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:41,147 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6595033428844317) internal successors, (3475), 2094 states have internal predecessors, (3475), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:41,150 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3481 transitions.
[2023-12-16 19:19:41,150 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3481 transitions. Word has length 603
[2023-12-16 19:19:41,151 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:41,151 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3481 transitions.
[2023-12-16 19:19:41,151 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:41,151 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3481 transitions.
[2023-12-16 19:19:41,154 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 605
[2023-12-16 19:19:41,154 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:41,155 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:41,155 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-12-16 19:19:41,155 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:41,155 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:41,155 INFO  L85        PathProgramCache]: Analyzing trace with hash -1971964208, now seen corresponding path program 1 times
[2023-12-16 19:19:41,155 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:41,156 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585925671]
[2023-12-16 19:19:41,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:41,156 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:41,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:42,149 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:42,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:42,151 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:42,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:42,153 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:42,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:42,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:42,155 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:42,155 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585925671]
[2023-12-16 19:19:42,155 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585925671] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:42,155 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:42,155 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:42,155 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546390423]
[2023-12-16 19:19:42,155 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:42,156 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:42,156 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:42,157 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:42,157 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:42,157 INFO  L87              Difference]: Start difference. First operand 2099 states and 3481 transitions. Second operand  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:43,100 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:43,100 INFO  L93              Difference]: Finished difference Result 3786 states and 6276 transitions.
[2023-12-16 19:19:43,101 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:43,101 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 604
[2023-12-16 19:19:43,102 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:43,107 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:43,108 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:43,109 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:43,110 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6470 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6473 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:43,110 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6473 Valid, 5936 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2023-12-16 19:19:43,112 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:43,129 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:43,131 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.659025787965616) internal successors, (3474), 2094 states have internal predecessors, (3474), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:43,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3480 transitions.
[2023-12-16 19:19:43,134 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3480 transitions. Word has length 604
[2023-12-16 19:19:43,134 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:43,134 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3480 transitions.
[2023-12-16 19:19:43,135 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:43,135 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3480 transitions.
[2023-12-16 19:19:43,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 606
[2023-12-16 19:19:43,138 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:43,138 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:43,138 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-12-16 19:19:43,139 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:43,139 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:43,139 INFO  L85        PathProgramCache]: Analyzing trace with hash 870097972, now seen corresponding path program 1 times
[2023-12-16 19:19:43,139 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:43,139 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089744494]
[2023-12-16 19:19:43,139 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:43,139 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:43,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:44,062 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:44,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:44,069 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:44,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:44,071 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:44,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:44,074 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:44,074 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:44,074 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089744494]
[2023-12-16 19:19:44,074 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089744494] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:44,074 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:44,074 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:44,075 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024865982]
[2023-12-16 19:19:44,075 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:44,075 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:44,075 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:44,076 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:44,076 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:44,076 INFO  L87              Difference]: Start difference. First operand 2099 states and 3480 transitions. Second operand  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:44,756 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:44,756 INFO  L93              Difference]: Finished difference Result 3786 states and 6274 transitions.
[2023-12-16 19:19:44,757 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:44,757 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 605
[2023-12-16 19:19:44,757 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:44,763 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:44,764 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:44,766 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:44,766 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6462 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6465 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:44,766 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6465 Valid, 5936 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:44,768 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:44,787 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:44,789 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6585482330468004) internal successors, (3473), 2094 states have internal predecessors, (3473), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:44,791 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3479 transitions.
[2023-12-16 19:19:44,792 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3479 transitions. Word has length 605
[2023-12-16 19:19:44,792 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:44,792 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3479 transitions.
[2023-12-16 19:19:44,792 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:44,793 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3479 transitions.
[2023-12-16 19:19:44,796 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 607
[2023-12-16 19:19:44,796 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:44,796 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:44,796 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-12-16 19:19:44,796 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:44,797 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:44,797 INFO  L85        PathProgramCache]: Analyzing trace with hash 483952822, now seen corresponding path program 1 times
[2023-12-16 19:19:44,797 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:44,797 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411767842]
[2023-12-16 19:19:44,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:44,797 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:45,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:45,583 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:45,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:45,587 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:45,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:45,588 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:45,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:45,590 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:45,590 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:45,590 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411767842]
[2023-12-16 19:19:45,590 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411767842] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:45,590 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:45,590 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:45,591 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412830318]
[2023-12-16 19:19:45,591 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:45,591 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:45,591 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:45,592 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:45,592 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:45,592 INFO  L87              Difference]: Start difference. First operand 2099 states and 3479 transitions. Second operand  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:46,311 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:46,312 INFO  L93              Difference]: Finished difference Result 3786 states and 6272 transitions.
[2023-12-16 19:19:46,312 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:46,312 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 606
[2023-12-16 19:19:46,313 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:46,316 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:46,316 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:46,317 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:46,318 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6454 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6457 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:46,318 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6457 Valid, 5936 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-12-16 19:19:46,320 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:46,337 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:46,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6580706781279848) internal successors, (3472), 2094 states have internal predecessors, (3472), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:46,340 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3478 transitions.
[2023-12-16 19:19:46,341 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3478 transitions. Word has length 606
[2023-12-16 19:19:46,341 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:46,341 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3478 transitions.
[2023-12-16 19:19:46,341 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:46,341 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3478 transitions.
[2023-12-16 19:19:46,345 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 608
[2023-12-16 19:19:46,345 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:46,345 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:46,345 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-12-16 19:19:46,345 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:46,345 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:46,346 INFO  L85        PathProgramCache]: Analyzing trace with hash 1485044570, now seen corresponding path program 1 times
[2023-12-16 19:19:46,346 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:46,346 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046617101]
[2023-12-16 19:19:46,346 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:46,346 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:46,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:47,157 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:47,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:47,161 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:47,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:47,165 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:47,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:47,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:47,167 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:47,167 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046617101]
[2023-12-16 19:19:47,167 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046617101] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:47,168 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:47,168 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:47,168 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989618716]
[2023-12-16 19:19:47,168 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:47,168 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:47,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:47,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:47,169 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:47,170 INFO  L87              Difference]: Start difference. First operand 2099 states and 3478 transitions. Second operand  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:47,868 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:47,868 INFO  L93              Difference]: Finished difference Result 3786 states and 6270 transitions.
[2023-12-16 19:19:47,868 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:47,869 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 607
[2023-12-16 19:19:47,870 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:47,873 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:47,873 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:47,875 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:47,875 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6446 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6449 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:47,876 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6449 Valid, 5936 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:47,877 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:47,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:47,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.657593123209169) internal successors, (3471), 2094 states have internal predecessors, (3471), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:47,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3477 transitions.
[2023-12-16 19:19:47,900 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3477 transitions. Word has length 607
[2023-12-16 19:19:47,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:47,901 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3477 transitions.
[2023-12-16 19:19:47,901 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:47,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3477 transitions.
[2023-12-16 19:19:47,905 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 609
[2023-12-16 19:19:47,905 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:47,905 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:47,905 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-12-16 19:19:47,905 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:47,905 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:47,905 INFO  L85        PathProgramCache]: Analyzing trace with hash -517855844, now seen corresponding path program 1 times
[2023-12-16 19:19:47,906 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:47,906 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876916286]
[2023-12-16 19:19:47,906 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:47,906 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:48,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:48,694 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:48,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:48,697 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:48,697 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:48,698 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:48,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:48,700 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:48,700 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:48,700 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876916286]
[2023-12-16 19:19:48,700 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876916286] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:48,700 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:48,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:48,701 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946991480]
[2023-12-16 19:19:48,701 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:48,701 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:48,701 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:48,702 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:48,702 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:48,702 INFO  L87              Difference]: Start difference. First operand 2099 states and 3477 transitions. Second operand  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:49,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:49,379 INFO  L93              Difference]: Finished difference Result 3786 states and 6268 transitions.
[2023-12-16 19:19:49,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:49,380 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 608
[2023-12-16 19:19:49,381 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:49,384 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:49,384 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:49,386 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:49,386 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6438 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6441 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:49,386 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6441 Valid, 5936 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:49,388 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:49,406 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:49,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6571155682903533) internal successors, (3470), 2094 states have internal predecessors, (3470), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:49,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3476 transitions.
[2023-12-16 19:19:49,410 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3476 transitions. Word has length 608
[2023-12-16 19:19:49,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:49,411 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3476 transitions.
[2023-12-16 19:19:49,411 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:49,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3476 transitions.
[2023-12-16 19:19:49,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 610
[2023-12-16 19:19:49,415 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:49,415 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:49,415 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-12-16 19:19:49,415 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:49,415 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:49,415 INFO  L85        PathProgramCache]: Analyzing trace with hash 839347584, now seen corresponding path program 1 times
[2023-12-16 19:19:49,416 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:49,416 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611595941]
[2023-12-16 19:19:49,416 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:49,416 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:49,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:50,213 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:50,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:50,215 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:50,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:50,217 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:50,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:50,219 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:50,219 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:50,219 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611595941]
[2023-12-16 19:19:50,219 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611595941] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:50,219 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:50,219 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:50,219 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304637555]
[2023-12-16 19:19:50,219 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:50,220 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:50,220 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:50,220 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:50,220 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:50,221 INFO  L87              Difference]: Start difference. First operand 2099 states and 3476 transitions. Second operand  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:50,893 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:50,893 INFO  L93              Difference]: Finished difference Result 3786 states and 6266 transitions.
[2023-12-16 19:19:50,894 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:50,894 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 609
[2023-12-16 19:19:50,895 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:50,897 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:50,897 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:50,899 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:50,900 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6430 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:50,900 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6433 Valid, 5936 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:50,902 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:50,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:50,923 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6566380133715377) internal successors, (3469), 2094 states have internal predecessors, (3469), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:50,925 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3475 transitions.
[2023-12-16 19:19:50,925 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3475 transitions. Word has length 609
[2023-12-16 19:19:50,925 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:50,925 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3475 transitions.
[2023-12-16 19:19:50,926 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:50,926 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3475 transitions.
[2023-12-16 19:19:50,929 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 611
[2023-12-16 19:19:50,929 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:50,929 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:50,929 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-12-16 19:19:50,930 INFO  L420      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:50,930 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:50,930 INFO  L85        PathProgramCache]: Analyzing trace with hash -793342590, now seen corresponding path program 1 times
[2023-12-16 19:19:50,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:50,930 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580392006]
[2023-12-16 19:19:50,930 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:50,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:51,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:51,723 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:51,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:51,725 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:51,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:51,726 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:51,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:51,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:51,728 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:51,728 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580392006]
[2023-12-16 19:19:51,728 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580392006] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:51,728 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:51,728 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:51,729 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018299305]
[2023-12-16 19:19:51,729 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:51,729 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:51,729 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:51,730 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:51,730 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:51,730 INFO  L87              Difference]: Start difference. First operand 2099 states and 3475 transitions. Second operand  has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:52,406 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:52,407 INFO  L93              Difference]: Finished difference Result 3786 states and 6264 transitions.
[2023-12-16 19:19:52,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:52,407 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 610
[2023-12-16 19:19:52,408 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:52,411 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:52,411 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:52,413 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:52,413 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6422 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6425 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:52,416 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6425 Valid, 5936 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:52,419 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:52,457 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:52,461 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.656160458452722) internal successors, (3468), 2094 states have internal predecessors, (3468), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:52,463 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3474 transitions.
[2023-12-16 19:19:52,463 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3474 transitions. Word has length 610
[2023-12-16 19:19:52,463 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:52,464 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3474 transitions.
[2023-12-16 19:19:52,464 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:52,464 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3474 transitions.
[2023-12-16 19:19:52,471 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 612
[2023-12-16 19:19:52,471 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:52,472 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:52,472 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2023-12-16 19:19:52,472 INFO  L420      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:52,472 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:52,472 INFO  L85        PathProgramCache]: Analyzing trace with hash 1298561702, now seen corresponding path program 1 times
[2023-12-16 19:19:52,472 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:52,473 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853130360]
[2023-12-16 19:19:52,473 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:52,473 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:52,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:53,372 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:53,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:53,374 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:53,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:53,375 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:53,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:53,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:53,377 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:53,377 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853130360]
[2023-12-16 19:19:53,377 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853130360] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:53,378 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:53,378 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:53,378 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380648673]
[2023-12-16 19:19:53,378 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:53,378 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:53,378 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:53,379 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:53,379 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:53,379 INFO  L87              Difference]: Start difference. First operand 2099 states and 3474 transitions. Second operand  has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:54,054 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:54,054 INFO  L93              Difference]: Finished difference Result 3786 states and 6262 transitions.
[2023-12-16 19:19:54,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:54,055 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 611
[2023-12-16 19:19:54,055 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:54,057 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:54,058 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:54,059 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:54,059 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 3430 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3433 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:54,060 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3433 Valid, 5942 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:54,061 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:54,080 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:54,081 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6556829035339065) internal successors, (3467), 2094 states have internal predecessors, (3467), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:54,084 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3473 transitions.
[2023-12-16 19:19:54,085 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3473 transitions. Word has length 611
[2023-12-16 19:19:54,085 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:54,085 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3473 transitions.
[2023-12-16 19:19:54,085 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:54,085 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3473 transitions.
[2023-12-16 19:19:54,089 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 613
[2023-12-16 19:19:54,089 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:54,089 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:54,089 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2023-12-16 19:19:54,089 INFO  L420      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:54,089 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:54,090 INFO  L85        PathProgramCache]: Analyzing trace with hash 960053352, now seen corresponding path program 1 times
[2023-12-16 19:19:54,090 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:54,090 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925592854]
[2023-12-16 19:19:54,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:54,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:54,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:54,859 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:54,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:54,861 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:54,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:54,862 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:54,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:54,864 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:54,865 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:54,865 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925592854]
[2023-12-16 19:19:54,865 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925592854] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:54,865 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:54,865 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:54,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36492486]
[2023-12-16 19:19:54,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:54,866 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:54,866 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:54,866 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:54,866 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:54,866 INFO  L87              Difference]: Start difference. First operand 2099 states and 3473 transitions. Second operand  has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:55,630 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:55,630 INFO  L93              Difference]: Finished difference Result 3786 states and 6260 transitions.
[2023-12-16 19:19:55,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:55,630 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 612
[2023-12-16 19:19:55,631 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:55,633 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:55,633 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:55,635 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:55,635 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6406 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 1002 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6409 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:55,636 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6409 Valid, 5936 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1002 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-12-16 19:19:55,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:55,653 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:55,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6552053486150908) internal successors, (3466), 2094 states have internal predecessors, (3466), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:55,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3472 transitions.
[2023-12-16 19:19:55,657 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3472 transitions. Word has length 612
[2023-12-16 19:19:55,657 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:55,657 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3472 transitions.
[2023-12-16 19:19:55,658 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:55,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3472 transitions.
[2023-12-16 19:19:55,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 614
[2023-12-16 19:19:55,661 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:55,662 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:55,662 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2023-12-16 19:19:55,662 INFO  L420      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:55,662 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:55,662 INFO  L85        PathProgramCache]: Analyzing trace with hash 1558225612, now seen corresponding path program 1 times
[2023-12-16 19:19:55,662 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:55,662 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549128537]
[2023-12-16 19:19:55,663 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:55,663 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:55,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:56,489 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:56,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:56,492 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:56,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:56,493 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:56,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:56,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:56,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:56,495 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549128537]
[2023-12-16 19:19:56,495 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549128537] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:56,495 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:56,495 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:56,495 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089162686]
[2023-12-16 19:19:56,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:56,496 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:56,496 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:56,497 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:56,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:56,497 INFO  L87              Difference]: Start difference. First operand 2099 states and 3472 transitions. Second operand  has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:57,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:57,207 INFO  L93              Difference]: Finished difference Result 3786 states and 6258 transitions.
[2023-12-16 19:19:57,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:57,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 613
[2023-12-16 19:19:57,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:57,226 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:57,227 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:57,244 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:57,244 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 3422 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:57,245 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 5942 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-12-16 19:19:57,247 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:57,277 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:57,278 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.654727793696275) internal successors, (3465), 2094 states have internal predecessors, (3465), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:57,280 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3471 transitions.
[2023-12-16 19:19:57,280 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3471 transitions. Word has length 613
[2023-12-16 19:19:57,280 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:57,280 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3471 transitions.
[2023-12-16 19:19:57,281 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:57,281 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3471 transitions.
[2023-12-16 19:19:57,284 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 615
[2023-12-16 19:19:57,284 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:57,284 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:57,284 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2023-12-16 19:19:57,300 INFO  L420      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:57,301 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:57,301 INFO  L85        PathProgramCache]: Analyzing trace with hash 1015922254, now seen corresponding path program 1 times
[2023-12-16 19:19:57,301 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:57,301 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559867715]
[2023-12-16 19:19:57,301 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:57,301 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:57,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:58,255 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:58,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:58,257 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:58,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:58,277 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:58,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:58,281 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:58,281 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:58,281 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559867715]
[2023-12-16 19:19:58,281 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559867715] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:58,282 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:58,282 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:58,282 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165844001]
[2023-12-16 19:19:58,282 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:58,282 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:58,282 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:58,283 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:58,283 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:58,284 INFO  L87              Difference]: Start difference. First operand 2099 states and 3471 transitions. Second operand  has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:58,966 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:19:58,966 INFO  L93              Difference]: Finished difference Result 3786 states and 6256 transitions.
[2023-12-16 19:19:58,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:19:58,976 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 614
[2023-12-16 19:19:58,976 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:19:58,990 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:19:58,990 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:19:58,992 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:19:58,994 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 3418 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3421 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:19:58,994 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3421 Valid, 5942 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:19:59,013 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:19:59,045 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:19:59,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6542502387774594) internal successors, (3464), 2094 states have internal predecessors, (3464), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:19:59,048 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3470 transitions.
[2023-12-16 19:19:59,048 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3470 transitions. Word has length 614
[2023-12-16 19:19:59,048 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:19:59,048 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3470 transitions.
[2023-12-16 19:19:59,049 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:19:59,049 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3470 transitions.
[2023-12-16 19:19:59,052 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 616
[2023-12-16 19:19:59,052 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:19:59,052 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:19:59,052 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2023-12-16 19:19:59,061 INFO  L420      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:19:59,061 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:19:59,061 INFO  L85        PathProgramCache]: Analyzing trace with hash 2012571122, now seen corresponding path program 1 times
[2023-12-16 19:19:59,061 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:19:59,061 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628639191]
[2023-12-16 19:19:59,062 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:19:59,062 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:19:59,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:59,871 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:19:59,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:59,873 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:19:59,874 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:59,874 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:19:59,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:19:59,876 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:19:59,876 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:19:59,876 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628639191]
[2023-12-16 19:19:59,876 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628639191] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:19:59,877 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:19:59,877 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:19:59,877 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869335743]
[2023-12-16 19:19:59,877 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:19:59,877 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:19:59,877 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:19:59,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:19:59,878 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:19:59,878 INFO  L87              Difference]: Start difference. First operand 2099 states and 3470 transitions. Second operand  has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:00,546 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:20:00,546 INFO  L93              Difference]: Finished difference Result 3786 states and 6254 transitions.
[2023-12-16 19:20:00,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:20:00,547 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 615
[2023-12-16 19:20:00,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:20:00,549 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:20:00,549 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:20:00,551 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:20:00,552 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6382 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6385 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:20:00,552 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6385 Valid, 5936 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:20:00,556 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:20:00,610 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:20:00,612 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6537726838586437) internal successors, (3463), 2094 states have internal predecessors, (3463), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:20:00,614 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3469 transitions.
[2023-12-16 19:20:00,614 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3469 transitions. Word has length 615
[2023-12-16 19:20:00,614 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:20:00,614 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3469 transitions.
[2023-12-16 19:20:00,615 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:00,615 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3469 transitions.
[2023-12-16 19:20:00,619 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 617
[2023-12-16 19:20:00,620 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:20:00,620 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:20:00,620 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2023-12-16 19:20:00,620 INFO  L420      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:20:00,620 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:20:00,620 INFO  L85        PathProgramCache]: Analyzing trace with hash 1356302132, now seen corresponding path program 1 times
[2023-12-16 19:20:00,620 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:20:00,621 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081418777]
[2023-12-16 19:20:00,621 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:20:00,621 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:20:00,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:01,514 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:20:01,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:01,517 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:20:01,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:01,519 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:20:01,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:01,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:20:01,522 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:20:01,522 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081418777]
[2023-12-16 19:20:01,522 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081418777] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:20:01,522 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:20:01,522 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:20:01,522 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379849469]
[2023-12-16 19:20:01,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:20:01,524 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:20:01,524 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:20:01,525 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:20:01,525 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:20:01,525 INFO  L87              Difference]: Start difference. First operand 2099 states and 3469 transitions. Second operand  has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:02,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:20:02,208 INFO  L93              Difference]: Finished difference Result 3786 states and 6252 transitions.
[2023-12-16 19:20:02,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:20:02,208 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 616
[2023-12-16 19:20:02,209 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:20:02,211 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:20:02,211 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:20:02,213 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:20:02,213 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6374 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6377 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:20:02,214 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6377 Valid, 5936 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:20:02,215 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:20:02,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:20:02,238 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.653295128939828) internal successors, (3462), 2094 states have internal predecessors, (3462), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:20:02,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3468 transitions.
[2023-12-16 19:20:02,240 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3468 transitions. Word has length 616
[2023-12-16 19:20:02,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:20:02,241 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3468 transitions.
[2023-12-16 19:20:02,241 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:02,241 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3468 transitions.
[2023-12-16 19:20:02,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 618
[2023-12-16 19:20:02,245 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:20:02,245 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:20:02,245 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2023-12-16 19:20:02,245 INFO  L420      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:20:02,245 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:20:02,245 INFO  L85        PathProgramCache]: Analyzing trace with hash 1533297688, now seen corresponding path program 1 times
[2023-12-16 19:20:02,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:20:02,246 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689240638]
[2023-12-16 19:20:02,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:20:02,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:20:02,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:03,026 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:20:03,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:03,028 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:20:03,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:03,029 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:20:03,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:03,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:20:03,031 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:20:03,031 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689240638]
[2023-12-16 19:20:03,031 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689240638] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:20:03,031 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:20:03,031 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:20:03,031 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960239567]
[2023-12-16 19:20:03,031 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:20:03,032 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:20:03,032 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:20:03,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:20:03,033 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:20:03,033 INFO  L87              Difference]: Start difference. First operand 2099 states and 3468 transitions. Second operand  has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:03,693 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:20:03,693 INFO  L93              Difference]: Finished difference Result 3786 states and 6250 transitions.
[2023-12-16 19:20:03,694 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:20:03,694 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 617
[2023-12-16 19:20:03,694 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:20:03,697 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:20:03,697 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:20:03,699 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:20:03,699 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 3406 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3409 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:20:03,699 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 5942 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:20:03,701 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:20:03,717 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:20:03,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6528175740210125) internal successors, (3461), 2094 states have internal predecessors, (3461), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:20:03,720 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3467 transitions.
[2023-12-16 19:20:03,721 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3467 transitions. Word has length 617
[2023-12-16 19:20:03,721 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:20:03,721 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3467 transitions.
[2023-12-16 19:20:03,721 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:03,721 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3467 transitions.
[2023-12-16 19:20:03,725 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 619
[2023-12-16 19:20:03,725 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:20:03,725 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:20:03,725 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2023-12-16 19:20:03,725 INFO  L420      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:20:03,726 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:20:03,726 INFO  L85        PathProgramCache]: Analyzing trace with hash -1065739494, now seen corresponding path program 1 times
[2023-12-16 19:20:03,726 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:20:03,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566057440]
[2023-12-16 19:20:03,726 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:20:03,726 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:20:03,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:04,562 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:20:04,564 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:04,566 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:20:04,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:04,567 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:20:04,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:04,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:20:04,571 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:20:04,571 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566057440]
[2023-12-16 19:20:04,571 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566057440] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:20:04,571 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:20:04,571 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:20:04,571 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037694760]
[2023-12-16 19:20:04,571 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:20:04,572 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:20:04,572 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:20:04,573 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:20:04,573 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:20:04,573 INFO  L87              Difference]: Start difference. First operand 2099 states and 3467 transitions. Second operand  has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:05,305 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:20:05,305 INFO  L93              Difference]: Finished difference Result 3786 states and 6248 transitions.
[2023-12-16 19:20:05,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:20:05,306 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 618
[2023-12-16 19:20:05,306 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:20:05,308 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:20:05,308 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:20:05,310 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:20:05,310 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6358 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6361 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-12-16 19:20:05,311 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6361 Valid, 5936 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-12-16 19:20:05,312 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:20:05,328 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:20:05,329 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.6523400191021969) internal successors, (3460), 2094 states have internal predecessors, (3460), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:20:05,331 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3466 transitions.
[2023-12-16 19:20:05,331 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3466 transitions. Word has length 618
[2023-12-16 19:20:05,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:20:05,332 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3466 transitions.
[2023-12-16 19:20:05,332 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:05,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3466 transitions.
[2023-12-16 19:20:05,335 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 620
[2023-12-16 19:20:05,335 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:20:05,336 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:20:05,336 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2023-12-16 19:20:05,336 INFO  L420      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:20:05,336 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:20:05,336 INFO  L85        PathProgramCache]: Analyzing trace with hash -1456685762, now seen corresponding path program 1 times
[2023-12-16 19:20:05,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:20:05,336 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593496106]
[2023-12-16 19:20:05,337 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:20:05,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:20:05,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:06,184 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282
[2023-12-16 19:20:06,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:06,186 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296
[2023-12-16 19:20:06,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:06,187 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308
[2023-12-16 19:20:06,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 19:20:06,189 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2023-12-16 19:20:06,190 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 19:20:06,190 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593496106]
[2023-12-16 19:20:06,190 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593496106] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 19:20:06,190 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 19:20:06,190 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 19:20:06,190 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104954674]
[2023-12-16 19:20:06,190 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 19:20:06,191 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 19:20:06,191 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 19:20:06,191 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 19:20:06,191 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-16 19:20:06,192 INFO  L87              Difference]: Start difference. First operand 2099 states and 3466 transitions. Second operand  has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:06,812 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 19:20:06,813 INFO  L93              Difference]: Finished difference Result 3786 states and 6246 transitions.
[2023-12-16 19:20:06,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 19:20:06,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 619
[2023-12-16 19:20:06,814 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 19:20:06,816 INFO  L225             Difference]: With dead ends: 3786
[2023-12-16 19:20:06,816 INFO  L226             Difference]: Without dead ends: 2099
[2023-12-16 19:20:06,818 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2023-12-16 19:20:06,819 INFO  L413           NwaCegarLoop]: 2967 mSDtfsCounter, 6350 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6353 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-16 19:20:06,822 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6353 Valid, 5936 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-16 19:20:06,837 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2099 states.
[2023-12-16 19:20:06,866 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2099.
[2023-12-16 19:20:06,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2099 states, 2094 states have (on average 1.651862464183381) internal successors, (3459), 2094 states have internal predecessors, (3459), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-16 19:20:06,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3465 transitions.
[2023-12-16 19:20:06,890 INFO  L78                 Accepts]: Start accepts. Automaton has 2099 states and 3465 transitions. Word has length 619
[2023-12-16 19:20:06,891 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 19:20:06,891 INFO  L495      AbstractCegarLoop]: Abstraction has 2099 states and 3465 transitions.
[2023-12-16 19:20:06,891 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-12-16 19:20:06,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 2099 states and 3465 transitions.
[2023-12-16 19:20:06,895 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 621
[2023-12-16 19:20:06,895 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 19:20:06,895 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 19:20:06,895 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2023-12-16 19:20:06,895 INFO  L420      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 19:20:06,896 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 19:20:06,896 INFO  L85        PathProgramCache]: Analyzing trace with hash 706279936, now seen corresponding path program 1 times
[2023-12-16 19:20:06,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 19:20:06,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205064383]
[2023-12-16 19:20:06,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 19:20:06,896 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 19:20:07,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
Received shutdown request...
[2023-12-16 19:20:07,773 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,773 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,774 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,774 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,774 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,774 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,774 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,775 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,775 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,775 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,775 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,775 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,776 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,776 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,776 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,776 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,776 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,777 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,777 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,777 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,777 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,777 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,777 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,778 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,778 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,778 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,778 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,778 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,779 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,779 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,779 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,779 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,779 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,779 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,780 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,781 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,781 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,781 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,781 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,781 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,781 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,781 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,782 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,783 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,783 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,783 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,783 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,783 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,783 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,783 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,784 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,785 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,786 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,786 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,786 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,786 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,786 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,786 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,786 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,787 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,788 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,789 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,789 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,789 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,789 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,789 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,789 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,789 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,790 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,791 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,792 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,792 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,792 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,792 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,792 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,792 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,792 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,793 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,794 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,795 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,795 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,795 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,795 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,795 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,795 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,795 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,796 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,797 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,798 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,798 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,798 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,798 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,798 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,798 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,798 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,799 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,800 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,800 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,800 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,800 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 19:20:07,800 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,800 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,801 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,802 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,802 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,802 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,802 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,802 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,802 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,802 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,803 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,804 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,805 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,805 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,805 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,805 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,805 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,805 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,805 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,806 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,807 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,808 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,808 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,808 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,808 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,808 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,808 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,808 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,809 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,810 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,811 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,811 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,811 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,811 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,811 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,811 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,811 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,812 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,813 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,813 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,813 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,813 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,813 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,813 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,813 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,814 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,814 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,814 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,814 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,814 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,814 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,814 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,815 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,815 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,815 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,815 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,815 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,815 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,815 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,816 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,816 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,816 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,816 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,816 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,816 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,816 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,817 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,817 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,817 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,817 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,817 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,817 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,818 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,819 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,819 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,819 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,819 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,819 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,819 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,819 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,820 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,820 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,820 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,820 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,820 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,820 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,821 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,822 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,822 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,822 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,822 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,822 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,822 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,822 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,823 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,823 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,823 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,823 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,823 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,823 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,823 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,824 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,824 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,824 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,824 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,824 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,824 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,824 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,825 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,826 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,826 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,826 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,826 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,826 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,826 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,826 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,827 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,828 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,828 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,828 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,828 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,828 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,828 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,828 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,829 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,830 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,831 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,832 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,832 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,832 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,832 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,832 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,832 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,832 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,833 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,834 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,835 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,835 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,835 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,835 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,835 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,835 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,835 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,836 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,836 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,836 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,836 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,836 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,836 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,836 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,837 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,838 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,838 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,838 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,838 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,838 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,838 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,838 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,839 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,839 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,839 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,839 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,839 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,839 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,839 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,840 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,841 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,841 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,841 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,841 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,841 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,841 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,841 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,842 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,842 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,842 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,842 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,842 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,842 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,842 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,843 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,844 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,845 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,846 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,847 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,848 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,849 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,850 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,851 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,852 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,853 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,853 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,853 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,853 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,853 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,853 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,855 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,855 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,855 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,856 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,857 WARN  L250   erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled
[2023-12-16 19:20:07,875 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 19:20:07,875 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2023-12-16 19:20:07,875 WARN  L619      AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 621 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 619 interpolants.
[2023-12-16 19:20:07,878 INFO  L445         BasicCegarLoop]: Path program 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]
[2023-12-16 19:20:07,880 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 19:20:07,881 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:20:07 BoogieIcfgContainer
[2023-12-16 19:20:07,881 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 19:20:07,881 INFO  L158              Benchmark]: Toolchain (without parser) took 53151.18ms. Allocated memory was 278.9MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 210.5MB in the beginning and 1.1GB in the end (delta: -901.8MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB.
[2023-12-16 19:20:07,881 INFO  L158              Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory was 129.8MB in the beginning and 129.7MB in the end (delta: 136.5kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 19:20:07,881 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 936.36ms. Allocated memory is still 278.9MB. Free memory was 210.2MB in the beginning and 117.5MB in the end (delta: 92.6MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB.
[2023-12-16 19:20:07,882 INFO  L158              Benchmark]: Boogie Procedure Inliner took 1148.96ms. Allocated memory was 278.9MB in the beginning and 448.8MB in the end (delta: 169.9MB). Free memory was 117.5MB in the beginning and 286.6MB in the end (delta: -169.0MB). Peak memory consumption was 134.6MB. Max. memory is 8.0GB.
[2023-12-16 19:20:07,882 INFO  L158              Benchmark]: Boogie Preprocessor took 913.96ms. Allocated memory is still 448.8MB. Free memory was 286.6MB in the beginning and 190.1MB in the end (delta: 96.5MB). Peak memory consumption was 99.1MB. Max. memory is 8.0GB.
[2023-12-16 19:20:07,882 INFO  L158              Benchmark]: RCFGBuilder took 5129.30ms. Allocated memory was 448.8MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 190.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 216.0MB. Max. memory is 8.0GB.
[2023-12-16 19:20:07,882 INFO  L158              Benchmark]: TraceAbstraction took 45017.64ms. Allocated memory was 1.7GB in the beginning and 2.8GB in the end (delta: 1.1GB). Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 193.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB.
[2023-12-16 19:20:07,883 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory was 129.8MB in the beginning and 129.7MB in the end (delta: 136.5kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 936.36ms. Allocated memory is still 278.9MB. Free memory was 210.2MB in the beginning and 117.5MB in the end (delta: 92.6MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 1148.96ms. Allocated memory was 278.9MB in the beginning and 448.8MB in the end (delta: 169.9MB). Free memory was 117.5MB in the beginning and 286.6MB in the end (delta: -169.0MB). Peak memory consumption was 134.6MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 913.96ms. Allocated memory is still 448.8MB. Free memory was 286.6MB in the beginning and 190.1MB in the end (delta: 96.5MB). Peak memory consumption was 99.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 5129.30ms. Allocated memory was 448.8MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 190.1MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 216.0MB. Max. memory is 8.0GB.
 * TraceAbstraction took 45017.64ms. Allocated memory was 1.7GB in the beginning and 2.8GB in the end (delta: 1.1GB). Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 193.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 621 with TraceHistMax 3,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 619 interpolants.
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 2097 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.0s, OverallIterations: 26, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117718 SdHoareTripleChecker+Valid, 14.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117661 mSDsluCounter, 162608 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86003 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21731 IncrementalHoareTripleChecker+Invalid, 21953 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 76605 mSDtfsCounter, 21731 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2099occurred in iteration=4, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 25 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 15176 NumberOfCodeBlocks, 15176 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 15151 ConstructedInterpolants, 0 QuantifiedInterpolants, 48369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 300/300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown