./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4a390ef5
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8f11c58bd911b111c6f04ca73beac7abb77a983b1f6790a335f756f9ecfba15
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4a390ef-m
[2024-10-24 01:53:23,037 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-24 01:53:23,123 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-10-24 01:53:23,128 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-24 01:53:23,129 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-24 01:53:23,168 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-24 01:53:23,168 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-24 01:53:23,169 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-24 01:53:23,170 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-24 01:53:23,171 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-24 01:53:23,172 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-24 01:53:23,172 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-24 01:53:23,173 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-24 01:53:23,176 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-24 01:53:23,176 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-24 01:53:23,177 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-24 01:53:23,177 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-24 01:53:23,177 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-24 01:53:23,177 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-24 01:53:23,177 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-24 01:53:23,178 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-24 01:53:23,178 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-24 01:53:23,179 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-24 01:53:23,179 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-24 01:53:23,179 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-24 01:53:23,179 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-24 01:53:23,180 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-24 01:53:23,180 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-24 01:53:23,180 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-24 01:53:23,181 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-24 01:53:23,181 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-24 01:53:23,181 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-24 01:53:23,182 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 01:53:23,182 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-24 01:53:23,183 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-24 01:53:23,183 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-24 01:53:23,184 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-24 01:53:23,184 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-24 01:53:23,184 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-24 01:53:23,185 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-24 01:53:23,185 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-24 01:53:23,185 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-24 01:53:23,185 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: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8f11c58bd911b111c6f04ca73beac7abb77a983b1f6790a335f756f9ecfba15
[2024-10-24 01:53:23,445 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-24 01:53:23,471 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-24 01:53:23,475 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-24 01:53:23,476 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-24 01:53:23,477 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-24 01:53:23,478 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c
[2024-10-24 01:53:24,949 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-24 01:53:25,204 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-24 01:53:25,206 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c
[2024-10-24 01:53:25,224 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed834c0e6/80ff8754391548818dfffdf42f23f941/FLAGa4483bc25
[2024-10-24 01:53:25,236 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed834c0e6/80ff8754391548818dfffdf42f23f941
[2024-10-24 01:53:25,239 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-24 01:53:25,240 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-24 01:53:25,244 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-24 01:53:25,244 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-24 01:53:25,251 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-24 01:53:25,252 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,253 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb0286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25, skipping insertion in model container
[2024-10-24 01:53:25,253 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,303 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-24 01:53:25,611 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389]
[2024-10-24 01:53:25,677 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 01:53:25,699 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-24 01:53:25,768 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10376,10389]
[2024-10-24 01:53:25,798 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 01:53:25,820 INFO  L204         MainTranslator]: Completed translation
[2024-10-24 01:53:25,820 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25 WrapperNode
[2024-10-24 01:53:25,820 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-24 01:53:25,821 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-24 01:53:25,821 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-24 01:53:25,821 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-24 01:53:25,828 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,840 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,882 INFO  L138                Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 902
[2024-10-24 01:53:25,883 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-24 01:53:25,883 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-24 01:53:25,883 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-24 01:53:25,884 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-24 01:53:25,895 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,895 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,900 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,924 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].
[2024-10-24 01:53:25,924 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,925 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,937 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,944 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,947 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,950 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,956 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-24 01:53:25,957 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-24 01:53:25,957 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-24 01:53:25,957 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-24 01:53:25,958 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (1/1) ...
[2024-10-24 01:53:25,970 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 01:53:25,988 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 01:53:26,005 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)
[2024-10-24 01:53:26,012 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-24 01:53:26,063 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-24 01:53:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-24 01:53:26,064 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-24 01:53:26,064 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-24 01:53:26,231 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-24 01:53:26,233 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-24 01:53:27,100 INFO  L?                        ?]: Removed 102 outVars from TransFormulas that were not future-live.
[2024-10-24 01:53:27,100 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-24 01:53:27,162 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-24 01:53:27,162 INFO  L314             CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-24 01:53:27,163 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:53:27 BoogieIcfgContainer
[2024-10-24 01:53:27,163 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-24 01:53:27,165 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-24 01:53:27,166 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-24 01:53:27,169 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-24 01:53:27,169 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:53:25" (1/3) ...
[2024-10-24 01:53:27,170 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a2e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:53:27, skipping insertion in model container
[2024-10-24 01:53:27,170 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:53:25" (2/3) ...
[2024-10-24 01:53:27,170 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a2e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:53:27, skipping insertion in model container
[2024-10-24 01:53:27,170 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:53:27" (3/3) ...
[2024-10-24 01:53:27,172 INFO  L112   eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c
[2024-10-24 01:53:27,189 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-24 01:53:27,189 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-24 01:53:27,273 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-24 01:53:27,282 INFO  L333      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, 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;@39717f2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-24 01:53:27,283 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-24 01:53:27,289 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 199 states, 197 states have (on average 1.7715736040609138) internal successors, (349), 198 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:27,303 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-10-24 01:53:27,304 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:27,305 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:27,307 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:27,312 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:27,313 INFO  L85        PathProgramCache]: Analyzing trace with hash 522555786, now seen corresponding path program 1 times
[2024-10-24 01:53:27,322 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:27,322 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056533841]
[2024-10-24 01:53:27,322 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:27,323 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:27,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:28,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:28,211 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:28,212 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056533841]
[2024-10-24 01:53:28,213 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056533841] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:28,213 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:28,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:28,215 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681423421]
[2024-10-24 01:53:28,216 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:28,222 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:28,222 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:28,247 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:28,249 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:28,252 INFO  L87              Difference]: Start difference. First operand  has 199 states, 197 states have (on average 1.7715736040609138) internal successors, (349), 198 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:28,990 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:28,991 INFO  L93              Difference]: Finished difference Result 1430 states and 2318 transitions.
[2024-10-24 01:53:28,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:53:28,993 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106
[2024-10-24 01:53:28,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:29,017 INFO  L225             Difference]: With dead ends: 1430
[2024-10-24 01:53:29,017 INFO  L226             Difference]: Without dead ends: 1331
[2024-10-24 01:53:29,021 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380
[2024-10-24 01:53:29,026 INFO  L432           NwaCegarLoop]: 746 mSDtfsCounter, 2810 mSDsluCounter, 4883 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 5629 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:29,027 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 5629 Invalid, 450 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-24 01:53:29,048 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1331 states.
[2024-10-24 01:53:29,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 302.
[2024-10-24 01:53:29,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 302 states, 301 states have (on average 1.451827242524917) internal successors, (437), 301 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:29,106 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 437 transitions.
[2024-10-24 01:53:29,108 INFO  L78                 Accepts]: Start accepts. Automaton has 302 states and 437 transitions. Word has length 106
[2024-10-24 01:53:29,109 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:29,109 INFO  L471      AbstractCegarLoop]: Abstraction has 302 states and 437 transitions.
[2024-10-24 01:53:29,109 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:29,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 302 states and 437 transitions.
[2024-10-24 01:53:29,111 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:29,111 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:29,111 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:29,112 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-24 01:53:29,112 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:29,112 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:29,113 INFO  L85        PathProgramCache]: Analyzing trace with hash -230590920, now seen corresponding path program 1 times
[2024-10-24 01:53:29,113 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:29,113 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133581875]
[2024-10-24 01:53:29,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:29,114 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:29,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:29,514 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:29,515 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:29,515 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133581875]
[2024-10-24 01:53:29,515 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133581875] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:29,516 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:29,516 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:29,516 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727470549]
[2024-10-24 01:53:29,517 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:29,518 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:29,519 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:29,520 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:29,521 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:29,521 INFO  L87              Difference]: Start difference. First operand 302 states and 437 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:29,854 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:29,854 INFO  L93              Difference]: Finished difference Result 1558 states and 2434 transitions.
[2024-10-24 01:53:29,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:29,855 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:29,855 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:29,860 INFO  L225             Difference]: With dead ends: 1558
[2024-10-24 01:53:29,860 INFO  L226             Difference]: Without dead ends: 1398
[2024-10-24 01:53:29,863 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2024-10-24 01:53:29,864 INFO  L432           NwaCegarLoop]: 731 mSDtfsCounter, 1951 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 2825 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:29,865 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 2825 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:29,867 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1398 states.
[2024-10-24 01:53:29,895 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 481.
[2024-10-24 01:53:29,899 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 481 states, 480 states have (on average 1.50625) internal successors, (723), 480 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:29,901 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 723 transitions.
[2024-10-24 01:53:29,901 INFO  L78                 Accepts]: Start accepts. Automaton has 481 states and 723 transitions. Word has length 108
[2024-10-24 01:53:29,902 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:29,903 INFO  L471      AbstractCegarLoop]: Abstraction has 481 states and 723 transitions.
[2024-10-24 01:53:29,903 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:29,903 INFO  L276                IsEmpty]: Start isEmpty. Operand 481 states and 723 transitions.
[2024-10-24 01:53:29,907 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:29,907 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:29,907 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:29,907 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-24 01:53:29,907 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:29,908 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:29,908 INFO  L85        PathProgramCache]: Analyzing trace with hash -664629236, now seen corresponding path program 1 times
[2024-10-24 01:53:29,908 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:29,908 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307651651]
[2024-10-24 01:53:29,908 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:29,908 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:29,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:30,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:30,252 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:30,252 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307651651]
[2024-10-24 01:53:30,253 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307651651] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:30,253 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:30,253 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:30,253 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686077280]
[2024-10-24 01:53:30,253 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:30,254 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:30,255 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:30,256 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:30,257 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:30,257 INFO  L87              Difference]: Start difference. First operand 481 states and 723 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:30,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:30,609 INFO  L93              Difference]: Finished difference Result 1737 states and 2720 transitions.
[2024-10-24 01:53:30,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:30,610 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:30,611 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:30,616 INFO  L225             Difference]: With dead ends: 1737
[2024-10-24 01:53:30,617 INFO  L226             Difference]: Without dead ends: 1577
[2024-10-24 01:53:30,618 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2024-10-24 01:53:30,619 INFO  L432           NwaCegarLoop]: 614 mSDtfsCounter, 2229 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:30,619 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 2683 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:30,621 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1577 states.
[2024-10-24 01:53:30,637 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 734.
[2024-10-24 01:53:30,638 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 734 states, 733 states have (on average 1.5375170532060027) internal successors, (1127), 733 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:30,640 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1127 transitions.
[2024-10-24 01:53:30,641 INFO  L78                 Accepts]: Start accepts. Automaton has 734 states and 1127 transitions. Word has length 108
[2024-10-24 01:53:30,641 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:30,641 INFO  L471      AbstractCegarLoop]: Abstraction has 734 states and 1127 transitions.
[2024-10-24 01:53:30,641 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:30,642 INFO  L276                IsEmpty]: Start isEmpty. Operand 734 states and 1127 transitions.
[2024-10-24 01:53:30,643 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:30,643 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:30,643 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:30,643 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-24 01:53:30,644 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:30,644 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:30,644 INFO  L85        PathProgramCache]: Analyzing trace with hash -1177376800, now seen corresponding path program 1 times
[2024-10-24 01:53:30,644 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:30,645 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612808279]
[2024-10-24 01:53:30,645 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:30,645 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:30,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:30,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:30,951 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:30,951 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612808279]
[2024-10-24 01:53:30,951 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612808279] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:30,951 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:30,951 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:30,952 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076370440]
[2024-10-24 01:53:30,952 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:30,952 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:30,952 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:30,953 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:30,953 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:30,955 INFO  L87              Difference]: Start difference. First operand 734 states and 1127 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:31,244 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:31,244 INFO  L93              Difference]: Finished difference Result 1906 states and 2990 transitions.
[2024-10-24 01:53:31,244 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:31,245 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:31,246 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:31,252 INFO  L225             Difference]: With dead ends: 1906
[2024-10-24 01:53:31,253 INFO  L226             Difference]: Without dead ends: 1746
[2024-10-24 01:53:31,255 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2024-10-24 01:53:31,256 INFO  L432           NwaCegarLoop]: 496 mSDtfsCounter, 2403 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 2434 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:31,257 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 2434 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:31,258 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1746 states.
[2024-10-24 01:53:31,279 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 898.
[2024-10-24 01:53:31,280 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 898 states, 897 states have (on average 1.548494983277592) internal successors, (1389), 897 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:31,284 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1389 transitions.
[2024-10-24 01:53:31,284 INFO  L78                 Accepts]: Start accepts. Automaton has 898 states and 1389 transitions. Word has length 108
[2024-10-24 01:53:31,284 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:31,284 INFO  L471      AbstractCegarLoop]: Abstraction has 898 states and 1389 transitions.
[2024-10-24 01:53:31,284 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:31,284 INFO  L276                IsEmpty]: Start isEmpty. Operand 898 states and 1389 transitions.
[2024-10-24 01:53:31,285 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:31,285 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:31,285 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:31,285 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-24 01:53:31,286 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:31,286 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:31,286 INFO  L85        PathProgramCache]: Analyzing trace with hash -514155414, now seen corresponding path program 1 times
[2024-10-24 01:53:31,286 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:31,286 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545128043]
[2024-10-24 01:53:31,287 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:31,287 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:31,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:31,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:31,529 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:31,529 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545128043]
[2024-10-24 01:53:31,530 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545128043] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:31,530 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:31,530 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:31,530 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747513929]
[2024-10-24 01:53:31,531 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:31,532 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:31,532 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:31,532 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:31,533 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:31,533 INFO  L87              Difference]: Start difference. First operand 898 states and 1389 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:31,797 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:31,798 INFO  L93              Difference]: Finished difference Result 2065 states and 3244 transitions.
[2024-10-24 01:53:31,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:31,798 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:31,799 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:31,805 INFO  L225             Difference]: With dead ends: 2065
[2024-10-24 01:53:31,805 INFO  L226             Difference]: Without dead ends: 1905
[2024-10-24 01:53:31,806 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2024-10-24 01:53:31,807 INFO  L432           NwaCegarLoop]: 386 mSDtfsCounter, 2913 mSDsluCounter, 1818 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:31,807 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 2204 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:31,809 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1905 states.
[2024-10-24 01:53:31,826 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1057.
[2024-10-24 01:53:31,828 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1057 states, 1056 states have (on average 1.5558712121212122) internal successors, (1643), 1056 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:31,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1643 transitions.
[2024-10-24 01:53:31,832 INFO  L78                 Accepts]: Start accepts. Automaton has 1057 states and 1643 transitions. Word has length 108
[2024-10-24 01:53:31,832 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:31,832 INFO  L471      AbstractCegarLoop]: Abstraction has 1057 states and 1643 transitions.
[2024-10-24 01:53:31,832 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:31,832 INFO  L276                IsEmpty]: Start isEmpty. Operand 1057 states and 1643 transitions.
[2024-10-24 01:53:31,833 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:31,834 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:31,834 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:31,834 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-10-24 01:53:31,834 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:31,835 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:31,835 INFO  L85        PathProgramCache]: Analyzing trace with hash 633834928, now seen corresponding path program 1 times
[2024-10-24 01:53:31,835 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:31,835 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125456095]
[2024-10-24 01:53:31,835 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:31,836 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:31,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:31,926 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:31,926 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:31,926 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125456095]
[2024-10-24 01:53:31,927 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125456095] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:31,927 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:31,927 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-24 01:53:31,927 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913399794]
[2024-10-24 01:53:31,927 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:31,927 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-24 01:53:31,928 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:31,928 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-24 01:53:31,928 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-24 01:53:31,928 INFO  L87              Difference]: Start difference. First operand 1057 states and 1643 transitions. Second operand  has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:31,967 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:31,967 INFO  L93              Difference]: Finished difference Result 2728 states and 4304 transitions.
[2024-10-24 01:53:31,967 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-24 01:53:31,968 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:31,968 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:31,974 INFO  L225             Difference]: With dead ends: 2728
[2024-10-24 01:53:31,974 INFO  L226             Difference]: Without dead ends: 1857
[2024-10-24 01:53:31,976 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-24 01:53:31,977 INFO  L432           NwaCegarLoop]: 379 mSDtfsCounter, 115 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:31,977 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 635 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 01:53:31,980 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1857 states.
[2024-10-24 01:53:32,013 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1833.
[2024-10-24 01:53:32,016 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1833 states, 1832 states have (on average 1.5584061135371179) internal successors, (2855), 1832 states have internal predecessors, (2855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:32,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2855 transitions.
[2024-10-24 01:53:32,023 INFO  L78                 Accepts]: Start accepts. Automaton has 1833 states and 2855 transitions. Word has length 108
[2024-10-24 01:53:32,024 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:32,024 INFO  L471      AbstractCegarLoop]: Abstraction has 1833 states and 2855 transitions.
[2024-10-24 01:53:32,024 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:32,024 INFO  L276                IsEmpty]: Start isEmpty. Operand 1833 states and 2855 transitions.
[2024-10-24 01:53:32,028 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:32,028 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:32,028 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:32,028 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-10-24 01:53:32,029 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:32,029 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:32,029 INFO  L85        PathProgramCache]: Analyzing trace with hash 877912591, now seen corresponding path program 1 times
[2024-10-24 01:53:32,029 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:32,029 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281024071]
[2024-10-24 01:53:32,029 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:32,030 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:32,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:32,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:32,472 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:32,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281024071]
[2024-10-24 01:53:32,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281024071] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:32,473 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:32,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:32,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32116627]
[2024-10-24 01:53:32,473 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:32,473 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:32,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:32,474 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:32,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:32,474 INFO  L87              Difference]: Start difference. First operand 1833 states and 2855 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:32,886 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:32,886 INFO  L93              Difference]: Finished difference Result 3482 states and 5461 transitions.
[2024-10-24 01:53:32,887 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:32,887 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:32,888 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:32,893 INFO  L225             Difference]: With dead ends: 3482
[2024-10-24 01:53:32,893 INFO  L226             Difference]: Without dead ends: 1835
[2024-10-24 01:53:32,897 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182
[2024-10-24 01:53:32,898 INFO  L432           NwaCegarLoop]: 360 mSDtfsCounter, 960 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:32,900 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 1326 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:32,902 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1835 states.
[2024-10-24 01:53:32,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1833.
[2024-10-24 01:53:32,938 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1833 states, 1832 states have (on average 1.5551310043668123) internal successors, (2849), 1832 states have internal predecessors, (2849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:32,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2849 transitions.
[2024-10-24 01:53:32,946 INFO  L78                 Accepts]: Start accepts. Automaton has 1833 states and 2849 transitions. Word has length 108
[2024-10-24 01:53:32,946 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:32,946 INFO  L471      AbstractCegarLoop]: Abstraction has 1833 states and 2849 transitions.
[2024-10-24 01:53:32,946 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:32,947 INFO  L276                IsEmpty]: Start isEmpty. Operand 1833 states and 2849 transitions.
[2024-10-24 01:53:32,948 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:32,948 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:32,948 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:32,948 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-10-24 01:53:32,949 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:32,949 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:32,949 INFO  L85        PathProgramCache]: Analyzing trace with hash 1925001968, now seen corresponding path program 1 times
[2024-10-24 01:53:32,949 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:32,950 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033560911]
[2024-10-24 01:53:32,950 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:32,950 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:32,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:33,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:33,210 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:33,210 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033560911]
[2024-10-24 01:53:33,210 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033560911] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:33,210 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:33,210 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:33,211 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619318697]
[2024-10-24 01:53:33,211 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:33,211 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:33,211 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:33,212 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:33,212 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:33,212 INFO  L87              Difference]: Start difference. First operand 1833 states and 2849 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:33,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:33,487 INFO  L93              Difference]: Finished difference Result 3986 states and 6243 transitions.
[2024-10-24 01:53:33,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:33,488 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:33,488 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:33,500 INFO  L225             Difference]: With dead ends: 3986
[2024-10-24 01:53:33,500 INFO  L226             Difference]: Without dead ends: 3685
[2024-10-24 01:53:33,502 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2024-10-24 01:53:33,503 INFO  L432           NwaCegarLoop]: 488 mSDtfsCounter, 2208 mSDsluCounter, 2010 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 2498 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:33,504 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 2498 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:33,507 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3685 states.
[2024-10-24 01:53:33,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3685 to 2132.
[2024-10-24 01:53:33,576 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2132 states, 2131 states have (on average 1.5584232754575316) internal successors, (3321), 2131 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:33,582 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3321 transitions.
[2024-10-24 01:53:33,582 INFO  L78                 Accepts]: Start accepts. Automaton has 2132 states and 3321 transitions. Word has length 108
[2024-10-24 01:53:33,582 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:33,583 INFO  L471      AbstractCegarLoop]: Abstraction has 2132 states and 3321 transitions.
[2024-10-24 01:53:33,583 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:33,583 INFO  L276                IsEmpty]: Start isEmpty. Operand 2132 states and 3321 transitions.
[2024-10-24 01:53:33,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:33,584 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:33,584 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:33,584 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-10-24 01:53:33,585 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:33,586 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:33,586 INFO  L85        PathProgramCache]: Analyzing trace with hash -516728002, now seen corresponding path program 1 times
[2024-10-24 01:53:33,586 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:33,587 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285129505]
[2024-10-24 01:53:33,587 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:33,587 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:33,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:33,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:33,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:33,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285129505]
[2024-10-24 01:53:33,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285129505] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:33,798 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:33,798 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:33,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019430805]
[2024-10-24 01:53:33,799 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:33,799 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:33,799 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:33,800 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:33,800 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:33,800 INFO  L87              Difference]: Start difference. First operand 2132 states and 3321 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:34,065 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:34,066 INFO  L93              Difference]: Finished difference Result 4291 states and 6724 transitions.
[2024-10-24 01:53:34,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:34,068 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:34,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:34,081 INFO  L225             Difference]: With dead ends: 4291
[2024-10-24 01:53:34,081 INFO  L226             Difference]: Without dead ends: 3990
[2024-10-24 01:53:34,083 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2024-10-24 01:53:34,084 INFO  L432           NwaCegarLoop]: 505 mSDtfsCounter, 2156 mSDsluCounter, 2623 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 3128 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:34,084 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 3128 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:34,087 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3990 states.
[2024-10-24 01:53:34,136 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 2442.
[2024-10-24 01:53:34,140 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2442 states, 2441 states have (on average 1.560835723064318) internal successors, (3810), 2441 states have internal predecessors, (3810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:34,148 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2442 states and 3810 transitions.
[2024-10-24 01:53:34,148 INFO  L78                 Accepts]: Start accepts. Automaton has 2442 states and 3810 transitions. Word has length 108
[2024-10-24 01:53:34,149 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:34,149 INFO  L471      AbstractCegarLoop]: Abstraction has 2442 states and 3810 transitions.
[2024-10-24 01:53:34,150 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:34,150 INFO  L276                IsEmpty]: Start isEmpty. Operand 2442 states and 3810 transitions.
[2024-10-24 01:53:34,151 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-10-24 01:53:34,151 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:34,151 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:34,151 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-10-24 01:53:34,152 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:34,152 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:34,152 INFO  L85        PathProgramCache]: Analyzing trace with hash -1913766894, now seen corresponding path program 1 times
[2024-10-24 01:53:34,152 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:34,156 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899961906]
[2024-10-24 01:53:34,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:34,156 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:34,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:34,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:34,432 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:34,433 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899961906]
[2024-10-24 01:53:34,433 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899961906] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:34,433 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:34,433 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-10-24 01:53:34,433 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36859898]
[2024-10-24 01:53:34,433 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:34,433 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:34,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:34,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:34,434 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:34,434 INFO  L87              Difference]: Start difference. First operand 2442 states and 3810 transitions. Second operand  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:34,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:34,706 INFO  L93              Difference]: Finished difference Result 4606 states and 7221 transitions.
[2024-10-24 01:53:34,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:34,706 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108
[2024-10-24 01:53:34,707 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:34,721 INFO  L225             Difference]: With dead ends: 4606
[2024-10-24 01:53:34,721 INFO  L226             Difference]: Without dead ends: 4305
[2024-10-24 01:53:34,723 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2024-10-24 01:53:34,724 INFO  L432           NwaCegarLoop]: 420 mSDtfsCounter, 2332 mSDsluCounter, 2849 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 3269 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:34,724 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2332 Valid, 3269 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:34,729 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4305 states.
[2024-10-24 01:53:34,777 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4305 to 2762.
[2024-10-24 01:53:34,782 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.5628395508873596) internal successors, (4315), 2761 states have internal predecessors, (4315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:34,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4315 transitions.
[2024-10-24 01:53:34,789 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4315 transitions. Word has length 108
[2024-10-24 01:53:34,789 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:34,789 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4315 transitions.
[2024-10-24 01:53:34,789 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:34,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4315 transitions.
[2024-10-24 01:53:34,790 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-10-24 01:53:34,791 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:34,791 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:34,791 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-10-24 01:53:34,791 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:34,791 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:34,791 INFO  L85        PathProgramCache]: Analyzing trace with hash -1592305446, now seen corresponding path program 1 times
[2024-10-24 01:53:34,791 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:34,792 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804476572]
[2024-10-24 01:53:34,792 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:34,792 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:34,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:34,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:34,959 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:34,960 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804476572]
[2024-10-24 01:53:34,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804476572] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:34,960 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:34,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:53:34,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87096816]
[2024-10-24 01:53:34,960 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:34,961 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:53:34,961 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:34,961 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:53:34,961 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:53:34,962 INFO  L87              Difference]: Start difference. First operand 2762 states and 4315 transitions. Second operand  has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,126 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:35,126 INFO  L93              Difference]: Finished difference Result 5469 states and 8574 transitions.
[2024-10-24 01:53:35,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:53:35,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109
[2024-10-24 01:53:35,127 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:35,136 INFO  L225             Difference]: With dead ends: 5469
[2024-10-24 01:53:35,136 INFO  L226             Difference]: Without dead ends: 2762
[2024-10-24 01:53:35,140 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:53:35,141 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 743 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:35,141 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 148 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:35,143 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2762 states.
[2024-10-24 01:53:35,180 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762.
[2024-10-24 01:53:35,185 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.5501629844259326) internal successors, (4280), 2761 states have internal predecessors, (4280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,191 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4280 transitions.
[2024-10-24 01:53:35,192 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4280 transitions. Word has length 109
[2024-10-24 01:53:35,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:35,192 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4280 transitions.
[2024-10-24 01:53:35,192 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,192 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4280 transitions.
[2024-10-24 01:53:35,193 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-10-24 01:53:35,193 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:35,194 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:35,194 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-10-24 01:53:35,194 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:35,194 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:35,194 INFO  L85        PathProgramCache]: Analyzing trace with hash 973592442, now seen corresponding path program 1 times
[2024-10-24 01:53:35,194 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:35,195 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887060702]
[2024-10-24 01:53:35,195 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:35,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:35,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:35,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:35,321 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:35,321 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887060702]
[2024-10-24 01:53:35,321 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887060702] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:35,321 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:35,321 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:53:35,321 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65116217]
[2024-10-24 01:53:35,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:35,322 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:53:35,322 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:35,322 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:53:35,323 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:53:35,323 INFO  L87              Difference]: Start difference. First operand 2762 states and 4280 transitions. Second operand  has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:35,477 INFO  L93              Difference]: Finished difference Result 5453 states and 8485 transitions.
[2024-10-24 01:53:35,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:53:35,478 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110
[2024-10-24 01:53:35,478 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:35,483 INFO  L225             Difference]: With dead ends: 5453
[2024-10-24 01:53:35,484 INFO  L226             Difference]: Without dead ends: 2762
[2024-10-24 01:53:35,487 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:53:35,487 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 692 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:35,488 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 180 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:35,490 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2762 states.
[2024-10-24 01:53:35,524 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762.
[2024-10-24 01:53:35,528 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.5374864179645056) internal successors, (4245), 2761 states have internal predecessors, (4245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,533 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4245 transitions.
[2024-10-24 01:53:35,534 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4245 transitions. Word has length 110
[2024-10-24 01:53:35,534 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:35,534 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4245 transitions.
[2024-10-24 01:53:35,534 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,535 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4245 transitions.
[2024-10-24 01:53:35,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-10-24 01:53:35,536 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:35,536 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:35,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-10-24 01:53:35,536 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:35,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:35,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 753407194, now seen corresponding path program 1 times
[2024-10-24 01:53:35,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:35,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981428862]
[2024-10-24 01:53:35,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:35,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:35,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:35,712 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:35,712 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:35,713 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981428862]
[2024-10-24 01:53:35,713 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981428862] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:35,713 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:35,713 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:53:35,713 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273858158]
[2024-10-24 01:53:35,713 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:35,714 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:53:35,714 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:35,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:53:35,715 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:53:35,715 INFO  L87              Difference]: Start difference. First operand 2762 states and 4245 transitions. Second operand  has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,877 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:35,877 INFO  L93              Difference]: Finished difference Result 5461 states and 8425 transitions.
[2024-10-24 01:53:35,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:53:35,878 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111
[2024-10-24 01:53:35,879 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:35,883 INFO  L225             Difference]: With dead ends: 5461
[2024-10-24 01:53:35,884 INFO  L226             Difference]: Without dead ends: 2762
[2024-10-24 01:53:35,888 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:53:35,888 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 708 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:35,889 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 164 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:35,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2762 states.
[2024-10-24 01:53:35,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762.
[2024-10-24 01:53:35,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.5248098515030786) internal successors, (4210), 2761 states have internal predecessors, (4210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4210 transitions.
[2024-10-24 01:53:35,946 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4210 transitions. Word has length 111
[2024-10-24 01:53:35,946 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:35,946 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4210 transitions.
[2024-10-24 01:53:35,946 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:35,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4210 transitions.
[2024-10-24 01:53:35,947 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-10-24 01:53:35,948 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:35,948 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:35,948 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-10-24 01:53:35,948 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:35,948 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:35,949 INFO  L85        PathProgramCache]: Analyzing trace with hash 392873850, now seen corresponding path program 1 times
[2024-10-24 01:53:35,949 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:35,949 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327409208]
[2024-10-24 01:53:35,949 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:35,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:35,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:36,061 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:36,061 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:36,061 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327409208]
[2024-10-24 01:53:36,061 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327409208] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:36,061 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:36,061 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:53:36,061 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864748605]
[2024-10-24 01:53:36,061 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:36,062 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:53:36,062 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:36,062 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:53:36,062 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:53:36,063 INFO  L87              Difference]: Start difference. First operand 2762 states and 4210 transitions. Second operand  has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,209 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:36,210 INFO  L93              Difference]: Finished difference Result 5457 states and 8351 transitions.
[2024-10-24 01:53:36,210 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:53:36,211 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112
[2024-10-24 01:53:36,211 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:36,215 INFO  L225             Difference]: With dead ends: 5457
[2024-10-24 01:53:36,216 INFO  L226             Difference]: Without dead ends: 2762
[2024-10-24 01:53:36,219 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:53:36,219 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 690 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:36,220 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 172 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:36,222 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2762 states.
[2024-10-24 01:53:36,257 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762.
[2024-10-24 01:53:36,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.5121332850416516) internal successors, (4175), 2761 states have internal predecessors, (4175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,267 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4175 transitions.
[2024-10-24 01:53:36,268 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4175 transitions. Word has length 112
[2024-10-24 01:53:36,268 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:36,268 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4175 transitions.
[2024-10-24 01:53:36,268 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,268 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4175 transitions.
[2024-10-24 01:53:36,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-10-24 01:53:36,270 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:36,270 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:36,270 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-10-24 01:53:36,270 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:36,271 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:36,271 INFO  L85        PathProgramCache]: Analyzing trace with hash -1392621466, now seen corresponding path program 1 times
[2024-10-24 01:53:36,271 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:36,271 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284196217]
[2024-10-24 01:53:36,271 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:36,271 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:36,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:36,425 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:36,426 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:36,426 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284196217]
[2024-10-24 01:53:36,426 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284196217] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:36,426 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:36,426 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:53:36,427 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560714911]
[2024-10-24 01:53:36,427 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:36,427 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:53:36,428 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:36,428 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:53:36,429 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:53:36,429 INFO  L87              Difference]: Start difference. First operand 2762 states and 4175 transitions. Second operand  has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,580 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:36,580 INFO  L93              Difference]: Finished difference Result 5465 states and 8290 transitions.
[2024-10-24 01:53:36,581 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:53:36,581 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113
[2024-10-24 01:53:36,581 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:36,586 INFO  L225             Difference]: With dead ends: 5465
[2024-10-24 01:53:36,586 INFO  L226             Difference]: Without dead ends: 2762
[2024-10-24 01:53:36,590 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:53:36,591 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 707 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:36,591 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 156 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:36,594 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2762 states.
[2024-10-24 01:53:36,627 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762.
[2024-10-24 01:53:36,630 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.4994567185802246) internal successors, (4140), 2761 states have internal predecessors, (4140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4140 transitions.
[2024-10-24 01:53:36,636 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4140 transitions. Word has length 113
[2024-10-24 01:53:36,636 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:36,636 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4140 transitions.
[2024-10-24 01:53:36,636 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,636 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4140 transitions.
[2024-10-24 01:53:36,637 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-10-24 01:53:36,638 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:36,639 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:36,639 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-10-24 01:53:36,639 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:36,639 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:36,639 INFO  L85        PathProgramCache]: Analyzing trace with hash -1669985390, now seen corresponding path program 1 times
[2024-10-24 01:53:36,639 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:36,640 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371413875]
[2024-10-24 01:53:36,640 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:36,640 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:36,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:36,780 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:36,781 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:36,781 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371413875]
[2024-10-24 01:53:36,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371413875] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:36,783 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:36,783 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:53:36,783 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827533333]
[2024-10-24 01:53:36,783 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:36,783 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:53:36,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:36,784 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:53:36,784 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:53:36,784 INFO  L87              Difference]: Start difference. First operand 2762 states and 4140 transitions. Second operand  has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:36,926 INFO  L93              Difference]: Finished difference Result 5445 states and 8199 transitions.
[2024-10-24 01:53:36,927 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:53:36,927 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114
[2024-10-24 01:53:36,927 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:36,932 INFO  L225             Difference]: With dead ends: 5445
[2024-10-24 01:53:36,932 INFO  L226             Difference]: Without dead ends: 2762
[2024-10-24 01:53:36,935 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:53:36,936 INFO  L432           NwaCegarLoop]: 148 mSDtfsCounter, 643 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:36,936 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 200 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:36,939 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2762 states.
[2024-10-24 01:53:36,968 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762.
[2024-10-24 01:53:36,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.4867801521187975) internal successors, (4105), 2761 states have internal predecessors, (4105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,976 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4105 transitions.
[2024-10-24 01:53:36,977 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4105 transitions. Word has length 114
[2024-10-24 01:53:36,977 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:36,977 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4105 transitions.
[2024-10-24 01:53:36,977 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:36,977 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4105 transitions.
[2024-10-24 01:53:36,978 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2024-10-24 01:53:36,978 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:36,979 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:36,979 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-10-24 01:53:36,979 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:36,979 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:36,980 INFO  L85        PathProgramCache]: Analyzing trace with hash 1957349314, now seen corresponding path program 1 times
[2024-10-24 01:53:36,980 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:36,980 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550051015]
[2024-10-24 01:53:36,980 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:36,980 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:37,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:37,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:37,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:37,098 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550051015]
[2024-10-24 01:53:37,099 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550051015] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:37,099 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:37,099 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:53:37,099 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710551213]
[2024-10-24 01:53:37,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:37,099 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:53:37,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:37,100 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:53:37,100 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:53:37,100 INFO  L87              Difference]: Start difference. First operand 2762 states and 4105 transitions. Second operand  has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:37,239 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:37,240 INFO  L93              Difference]: Finished difference Result 5449 states and 8134 transitions.
[2024-10-24 01:53:37,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:53:37,240 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115
[2024-10-24 01:53:37,241 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:37,245 INFO  L225             Difference]: With dead ends: 5449
[2024-10-24 01:53:37,245 INFO  L226             Difference]: Without dead ends: 2762
[2024-10-24 01:53:37,248 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:53:37,249 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 647 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:37,249 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 188 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 01:53:37,251 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2762 states.
[2024-10-24 01:53:37,322 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762.
[2024-10-24 01:53:37,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2762 states, 2761 states have (on average 1.4741035856573705) internal successors, (4070), 2761 states have internal predecessors, (4070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:37,330 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4070 transitions.
[2024-10-24 01:53:37,331 INFO  L78                 Accepts]: Start accepts. Automaton has 2762 states and 4070 transitions. Word has length 115
[2024-10-24 01:53:37,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:37,331 INFO  L471      AbstractCegarLoop]: Abstraction has 2762 states and 4070 transitions.
[2024-10-24 01:53:37,331 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:37,331 INFO  L276                IsEmpty]: Start isEmpty. Operand 2762 states and 4070 transitions.
[2024-10-24 01:53:37,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-10-24 01:53:37,333 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:37,333 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:37,333 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-10-24 01:53:37,333 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:37,334 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:37,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 1116548382, now seen corresponding path program 1 times
[2024-10-24 01:53:37,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:37,334 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143332305]
[2024-10-24 01:53:37,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:37,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:37,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:37,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:37,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:37,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143332305]
[2024-10-24 01:53:37,876 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143332305] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:37,876 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:37,876 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-10-24 01:53:37,876 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267568879]
[2024-10-24 01:53:37,876 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:37,876 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-10-24 01:53:37,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:37,877 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-10-24 01:53:37,877 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2024-10-24 01:53:37,877 INFO  L87              Difference]: Start difference. First operand 2762 states and 4070 transitions. Second operand  has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:38,640 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:38,641 INFO  L93              Difference]: Finished difference Result 8045 states and 11864 transitions.
[2024-10-24 01:53:38,641 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:53:38,641 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116
[2024-10-24 01:53:38,642 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:38,652 INFO  L225             Difference]: With dead ends: 8045
[2024-10-24 01:53:38,653 INFO  L226             Difference]: Without dead ends: 5501
[2024-10-24 01:53:38,657 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552
[2024-10-24 01:53:38,658 INFO  L432           NwaCegarLoop]: 139 mSDtfsCounter, 959 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:38,658 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 760 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-10-24 01:53:38,664 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5501 states.
[2024-10-24 01:53:38,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5501 to 2786.
[2024-10-24 01:53:38,721 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2786 states, 2785 states have (on average 1.4728904847396769) internal successors, (4102), 2785 states have internal predecessors, (4102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:38,727 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 4102 transitions.
[2024-10-24 01:53:38,727 INFO  L78                 Accepts]: Start accepts. Automaton has 2786 states and 4102 transitions. Word has length 116
[2024-10-24 01:53:38,727 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:38,728 INFO  L471      AbstractCegarLoop]: Abstraction has 2786 states and 4102 transitions.
[2024-10-24 01:53:38,728 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:38,728 INFO  L276                IsEmpty]: Start isEmpty. Operand 2786 states and 4102 transitions.
[2024-10-24 01:53:38,729 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-10-24 01:53:38,729 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:38,730 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:38,730 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-10-24 01:53:38,730 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:38,730 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:38,731 INFO  L85        PathProgramCache]: Analyzing trace with hash 2075613274, now seen corresponding path program 1 times
[2024-10-24 01:53:38,731 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:38,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765182555]
[2024-10-24 01:53:38,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:38,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:38,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:39,344 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:39,346 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:39,346 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765182555]
[2024-10-24 01:53:39,347 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765182555] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:39,347 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:39,347 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:53:39,347 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133884548]
[2024-10-24 01:53:39,347 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:39,348 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:53:39,348 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:39,349 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:53:39,349 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:53:39,350 INFO  L87              Difference]: Start difference. First operand 2786 states and 4102 transitions. Second operand  has 13 states, 13 states have (on average 9.0) internal successors, (117), 12 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:40,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:40,248 INFO  L93              Difference]: Finished difference Result 8210 states and 12089 transitions.
[2024-10-24 01:53:40,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-10-24 01:53:40,248 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.0) internal successors, (117), 12 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117
[2024-10-24 01:53:40,249 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:40,260 INFO  L225             Difference]: With dead ends: 8210
[2024-10-24 01:53:40,260 INFO  L226             Difference]: Without dead ends: 5597
[2024-10-24 01:53:40,265 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650
[2024-10-24 01:53:40,265 INFO  L432           NwaCegarLoop]: 135 mSDtfsCounter, 1138 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:40,266 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1138 Valid, 1025 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-10-24 01:53:40,271 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5597 states.
[2024-10-24 01:53:40,349 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 2808.
[2024-10-24 01:53:40,352 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2808 states, 2807 states have (on average 1.4713216957605986) internal successors, (4130), 2807 states have internal predecessors, (4130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:40,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 4130 transitions.
[2024-10-24 01:53:40,358 INFO  L78                 Accepts]: Start accepts. Automaton has 2808 states and 4130 transitions. Word has length 117
[2024-10-24 01:53:40,358 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:40,359 INFO  L471      AbstractCegarLoop]: Abstraction has 2808 states and 4130 transitions.
[2024-10-24 01:53:40,359 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.0) internal successors, (117), 12 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:40,359 INFO  L276                IsEmpty]: Start isEmpty. Operand 2808 states and 4130 transitions.
[2024-10-24 01:53:40,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-10-24 01:53:40,360 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:40,361 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:40,361 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-10-24 01:53:40,361 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:40,361 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:40,361 INFO  L85        PathProgramCache]: Analyzing trace with hash 1975784416, now seen corresponding path program 1 times
[2024-10-24 01:53:40,362 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:40,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653877052]
[2024-10-24 01:53:40,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:40,362 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:40,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:40,664 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:40,664 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:40,664 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653877052]
[2024-10-24 01:53:40,664 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653877052] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:40,665 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:40,665 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-10-24 01:53:40,665 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647278086]
[2024-10-24 01:53:40,665 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:40,665 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-10-24 01:53:40,666 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:40,666 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-10-24 01:53:40,666 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-10-24 01:53:40,667 INFO  L87              Difference]: Start difference. First operand 2808 states and 4130 transitions. Second operand  has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:41,085 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:41,085 INFO  L93              Difference]: Finished difference Result 8025 states and 11877 transitions.
[2024-10-24 01:53:41,086 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:53:41,086 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117
[2024-10-24 01:53:41,086 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:41,097 INFO  L225             Difference]: With dead ends: 8025
[2024-10-24 01:53:41,097 INFO  L226             Difference]: Without dead ends: 5352
[2024-10-24 01:53:41,100 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2024-10-24 01:53:41,101 INFO  L432           NwaCegarLoop]: 151 mSDtfsCounter, 568 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:41,102 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 675 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-10-24 01:53:41,109 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5352 states.
[2024-10-24 01:53:41,153 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 2808.
[2024-10-24 01:53:41,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2808 states, 2807 states have (on average 1.470965443534022) internal successors, (4129), 2807 states have internal predecessors, (4129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:41,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 4129 transitions.
[2024-10-24 01:53:41,161 INFO  L78                 Accepts]: Start accepts. Automaton has 2808 states and 4129 transitions. Word has length 117
[2024-10-24 01:53:41,161 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:41,161 INFO  L471      AbstractCegarLoop]: Abstraction has 2808 states and 4129 transitions.
[2024-10-24 01:53:41,161 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:41,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 2808 states and 4129 transitions.
[2024-10-24 01:53:41,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-10-24 01:53:41,163 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:41,163 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:41,163 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-10-24 01:53:41,163 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:41,165 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:41,165 INFO  L85        PathProgramCache]: Analyzing trace with hash 1990494294, now seen corresponding path program 1 times
[2024-10-24 01:53:41,165 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:41,166 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835697962]
[2024-10-24 01:53:41,166 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:41,166 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:41,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:41,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:41,637 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:41,637 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835697962]
[2024-10-24 01:53:41,638 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835697962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:41,638 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:41,638 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:53:41,638 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722346355]
[2024-10-24 01:53:41,638 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:41,638 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:53:41,638 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:41,639 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:53:41,639 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:53:41,639 INFO  L87              Difference]: Start difference. First operand 2808 states and 4129 transitions. Second operand  has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:42,433 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:42,433 INFO  L93              Difference]: Finished difference Result 8224 states and 12106 transitions.
[2024-10-24 01:53:42,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:53:42,434 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118
[2024-10-24 01:53:42,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:42,444 INFO  L225             Difference]: With dead ends: 8224
[2024-10-24 01:53:42,444 INFO  L226             Difference]: Without dead ends: 5601
[2024-10-24 01:53:42,449 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600
[2024-10-24 01:53:42,449 INFO  L432           NwaCegarLoop]: 165 mSDtfsCounter, 1072 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:42,449 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 1143 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-10-24 01:53:42,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5601 states.
[2024-10-24 01:53:42,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 2808.
[2024-10-24 01:53:42,522 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2808 states, 2807 states have (on average 1.4702529390808692) internal successors, (4127), 2807 states have internal predecessors, (4127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:42,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 4127 transitions.
[2024-10-24 01:53:42,527 INFO  L78                 Accepts]: Start accepts. Automaton has 2808 states and 4127 transitions. Word has length 118
[2024-10-24 01:53:42,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:42,527 INFO  L471      AbstractCegarLoop]: Abstraction has 2808 states and 4127 transitions.
[2024-10-24 01:53:42,527 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.076923076923077) internal successors, (118), 12 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:42,528 INFO  L276                IsEmpty]: Start isEmpty. Operand 2808 states and 4127 transitions.
[2024-10-24 01:53:42,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-10-24 01:53:42,529 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:42,530 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:42,530 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-10-24 01:53:42,530 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:42,530 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:42,531 INFO  L85        PathProgramCache]: Analyzing trace with hash -534084566, now seen corresponding path program 1 times
[2024-10-24 01:53:42,531 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:42,531 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162013975]
[2024-10-24 01:53:42,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:42,531 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:42,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:42,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:42,854 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:42,854 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162013975]
[2024-10-24 01:53:42,854 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162013975] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:42,854 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:42,855 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-10-24 01:53:42,855 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696989876]
[2024-10-24 01:53:42,855 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:42,855 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:42,856 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:42,856 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:42,856 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:42,856 INFO  L87              Difference]: Start difference. First operand 2808 states and 4127 transitions. Second operand  has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 8 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:43,390 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:43,391 INFO  L93              Difference]: Finished difference Result 8050 states and 11867 transitions.
[2024-10-24 01:53:43,391 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-24 01:53:43,391 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 8 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118
[2024-10-24 01:53:43,392 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:43,401 INFO  L225             Difference]: With dead ends: 8050
[2024-10-24 01:53:43,402 INFO  L226             Difference]: Without dead ends: 5478
[2024-10-24 01:53:43,406 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-10-24 01:53:43,408 INFO  L432           NwaCegarLoop]: 139 mSDtfsCounter, 673 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:43,408 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 689 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-24 01:53:43,413 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5478 states.
[2024-10-24 01:53:43,469 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 2808.
[2024-10-24 01:53:43,472 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2808 states, 2807 states have (on average 1.4677591734948343) internal successors, (4120), 2807 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:43,476 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 4120 transitions.
[2024-10-24 01:53:43,476 INFO  L78                 Accepts]: Start accepts. Automaton has 2808 states and 4120 transitions. Word has length 118
[2024-10-24 01:53:43,477 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:43,477 INFO  L471      AbstractCegarLoop]: Abstraction has 2808 states and 4120 transitions.
[2024-10-24 01:53:43,477 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 8 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:43,477 INFO  L276                IsEmpty]: Start isEmpty. Operand 2808 states and 4120 transitions.
[2024-10-24 01:53:43,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-10-24 01:53:43,478 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:43,479 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:43,479 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-10-24 01:53:43,479 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:43,479 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:43,479 INFO  L85        PathProgramCache]: Analyzing trace with hash 2037540355, now seen corresponding path program 1 times
[2024-10-24 01:53:43,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:43,480 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591836675]
[2024-10-24 01:53:43,480 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:43,480 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:43,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:43,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:43,795 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:43,795 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591836675]
[2024-10-24 01:53:43,795 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591836675] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:43,795 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:43,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-10-24 01:53:43,797 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265412168]
[2024-10-24 01:53:43,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:43,797 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:43,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:43,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:43,798 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:43,798 INFO  L87              Difference]: Start difference. First operand 2808 states and 4120 transitions. Second operand  has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:44,352 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:44,353 INFO  L93              Difference]: Finished difference Result 8156 states and 12014 transitions.
[2024-10-24 01:53:44,354 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-24 01:53:44,354 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119
[2024-10-24 01:53:44,355 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:44,367 INFO  L225             Difference]: With dead ends: 8156
[2024-10-24 01:53:44,368 INFO  L226             Difference]: Without dead ends: 5529
[2024-10-24 01:53:44,373 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-10-24 01:53:44,374 INFO  L432           NwaCegarLoop]: 163 mSDtfsCounter, 646 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:44,374 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 807 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-24 01:53:44,377 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5529 states.
[2024-10-24 01:53:44,425 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5529 to 2792.
[2024-10-24 01:53:44,430 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2792 states, 2791 states have (on average 1.4672160515944106) internal successors, (4095), 2791 states have internal predecessors, (4095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:44,434 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 4095 transitions.
[2024-10-24 01:53:44,435 INFO  L78                 Accepts]: Start accepts. Automaton has 2792 states and 4095 transitions. Word has length 119
[2024-10-24 01:53:44,435 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:44,435 INFO  L471      AbstractCegarLoop]: Abstraction has 2792 states and 4095 transitions.
[2024-10-24 01:53:44,435 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:44,435 INFO  L276                IsEmpty]: Start isEmpty. Operand 2792 states and 4095 transitions.
[2024-10-24 01:53:44,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-10-24 01:53:44,437 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:44,437 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:44,437 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-10-24 01:53:44,437 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:44,437 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:44,437 INFO  L85        PathProgramCache]: Analyzing trace with hash -1759487359, now seen corresponding path program 1 times
[2024-10-24 01:53:44,438 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:44,438 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230619410]
[2024-10-24 01:53:44,438 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:44,438 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:44,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:44,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:44,904 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:44,904 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230619410]
[2024-10-24 01:53:44,904 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230619410] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:44,904 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:44,905 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:53:44,905 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467409821]
[2024-10-24 01:53:44,905 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:44,905 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:53:44,905 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:44,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:53:44,906 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:53:44,906 INFO  L87              Difference]: Start difference. First operand 2792 states and 4095 transitions. Second operand  has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:45,913 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:45,913 INFO  L93              Difference]: Finished difference Result 8199 states and 12039 transitions.
[2024-10-24 01:53:45,913 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-10-24 01:53:45,914 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2024-10-24 01:53:45,914 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:45,931 INFO  L225             Difference]: With dead ends: 8199
[2024-10-24 01:53:45,931 INFO  L226             Difference]: Without dead ends: 5606
[2024-10-24 01:53:45,936 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650
[2024-10-24 01:53:45,937 INFO  L432           NwaCegarLoop]: 208 mSDtfsCounter, 835 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:45,937 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 1535 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-10-24 01:53:45,941 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5606 states.
[2024-10-24 01:53:46,003 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5606 to 2831.
[2024-10-24 01:53:46,005 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2831 states, 2830 states have (on average 1.465017667844523) internal successors, (4146), 2830 states have internal predecessors, (4146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:46,010 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 4146 transitions.
[2024-10-24 01:53:46,010 INFO  L78                 Accepts]: Start accepts. Automaton has 2831 states and 4146 transitions. Word has length 120
[2024-10-24 01:53:46,010 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:46,010 INFO  L471      AbstractCegarLoop]: Abstraction has 2831 states and 4146 transitions.
[2024-10-24 01:53:46,011 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:46,011 INFO  L276                IsEmpty]: Start isEmpty. Operand 2831 states and 4146 transitions.
[2024-10-24 01:53:46,012 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-10-24 01:53:46,012 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:46,012 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:46,012 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-10-24 01:53:46,012 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:46,013 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:46,013 INFO  L85        PathProgramCache]: Analyzing trace with hash 5542466, now seen corresponding path program 1 times
[2024-10-24 01:53:46,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:46,013 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605359709]
[2024-10-24 01:53:46,013 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:46,014 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:46,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:46,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:46,334 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:46,334 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605359709]
[2024-10-24 01:53:46,334 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605359709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:46,334 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:46,334 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-10-24 01:53:46,334 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076377571]
[2024-10-24 01:53:46,334 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:46,335 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:46,335 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:46,335 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:46,335 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:46,336 INFO  L87              Difference]: Start difference. First operand 2831 states and 4146 transitions. Second operand  has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:46,862 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:46,862 INFO  L93              Difference]: Finished difference Result 8203 states and 12074 transitions.
[2024-10-24 01:53:46,862 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-24 01:53:46,863 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120
[2024-10-24 01:53:46,863 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:46,873 INFO  L225             Difference]: With dead ends: 8203
[2024-10-24 01:53:46,874 INFO  L226             Difference]: Without dead ends: 5556
[2024-10-24 01:53:46,878 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-10-24 01:53:46,879 INFO  L432           NwaCegarLoop]: 139 mSDtfsCounter, 1095 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:46,882 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 686 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-24 01:53:46,886 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5556 states.
[2024-10-24 01:53:46,927 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5556 to 2831.
[2024-10-24 01:53:46,930 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2831 states, 2830 states have (on average 1.4636042402826854) internal successors, (4142), 2830 states have internal predecessors, (4142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:46,934 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 4142 transitions.
[2024-10-24 01:53:46,935 INFO  L78                 Accepts]: Start accepts. Automaton has 2831 states and 4142 transitions. Word has length 120
[2024-10-24 01:53:46,935 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:46,935 INFO  L471      AbstractCegarLoop]: Abstraction has 2831 states and 4142 transitions.
[2024-10-24 01:53:46,935 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:46,935 INFO  L276                IsEmpty]: Start isEmpty. Operand 2831 states and 4142 transitions.
[2024-10-24 01:53:46,937 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-10-24 01:53:46,937 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:46,937 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:46,937 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-10-24 01:53:46,937 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:46,938 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:46,938 INFO  L85        PathProgramCache]: Analyzing trace with hash 1915936436, now seen corresponding path program 1 times
[2024-10-24 01:53:46,938 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:46,938 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926799578]
[2024-10-24 01:53:46,938 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:46,938 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:46,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:47,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:47,253 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:47,253 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926799578]
[2024-10-24 01:53:47,253 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926799578] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:47,253 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:47,254 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-10-24 01:53:47,254 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054724428]
[2024-10-24 01:53:47,254 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:47,254 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:47,254 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:47,255 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:47,255 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:47,255 INFO  L87              Difference]: Start difference. First operand 2831 states and 4142 transitions. Second operand  has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:47,820 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:47,820 INFO  L93              Difference]: Finished difference Result 8173 states and 12028 transitions.
[2024-10-24 01:53:47,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-24 01:53:47,821 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121
[2024-10-24 01:53:47,821 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:47,831 INFO  L225             Difference]: With dead ends: 8173
[2024-10-24 01:53:47,831 INFO  L226             Difference]: Without dead ends: 5516
[2024-10-24 01:53:47,836 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-10-24 01:53:47,837 INFO  L432           NwaCegarLoop]: 224 mSDtfsCounter, 548 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:47,837 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 1108 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-24 01:53:47,841 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5516 states.
[2024-10-24 01:53:47,891 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5516 to 2786.
[2024-10-24 01:53:47,894 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2786 states, 2785 states have (on average 1.466068222621185) internal successors, (4083), 2785 states have internal predecessors, (4083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:47,899 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 4083 transitions.
[2024-10-24 01:53:47,899 INFO  L78                 Accepts]: Start accepts. Automaton has 2786 states and 4083 transitions. Word has length 121
[2024-10-24 01:53:47,899 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:47,900 INFO  L471      AbstractCegarLoop]: Abstraction has 2786 states and 4083 transitions.
[2024-10-24 01:53:47,900 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:47,900 INFO  L276                IsEmpty]: Start isEmpty. Operand 2786 states and 4083 transitions.
[2024-10-24 01:53:47,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-10-24 01:53:47,901 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:47,901 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:47,902 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-10-24 01:53:47,902 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:47,902 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:47,902 INFO  L85        PathProgramCache]: Analyzing trace with hash -220023358, now seen corresponding path program 1 times
[2024-10-24 01:53:47,903 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:47,903 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138456026]
[2024-10-24 01:53:47,903 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:47,903 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:47,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:48,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:48,183 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:48,183 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138456026]
[2024-10-24 01:53:48,183 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138456026] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:48,183 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:48,183 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-10-24 01:53:48,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865133087]
[2024-10-24 01:53:48,183 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:48,184 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-24 01:53:48,184 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:48,184 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-24 01:53:48,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-24 01:53:48,185 INFO  L87              Difference]: Start difference. First operand 2786 states and 4083 transitions. Second operand  has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:48,771 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:48,771 INFO  L93              Difference]: Finished difference Result 8083 states and 11899 transitions.
[2024-10-24 01:53:48,771 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-24 01:53:48,771 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121
[2024-10-24 01:53:48,772 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:48,780 INFO  L225             Difference]: With dead ends: 8083
[2024-10-24 01:53:48,780 INFO  L226             Difference]: Without dead ends: 5481
[2024-10-24 01:53:48,784 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-10-24 01:53:48,785 INFO  L432           NwaCegarLoop]: 212 mSDtfsCounter, 764 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:48,785 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 1051 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-24 01:53:48,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5481 states.
[2024-10-24 01:53:48,832 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5481 to 2786.
[2024-10-24 01:53:48,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2786 states, 2785 states have (on average 1.4639138240574505) internal successors, (4077), 2785 states have internal predecessors, (4077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:48,838 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 4077 transitions.
[2024-10-24 01:53:48,838 INFO  L78                 Accepts]: Start accepts. Automaton has 2786 states and 4077 transitions. Word has length 121
[2024-10-24 01:53:48,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:48,839 INFO  L471      AbstractCegarLoop]: Abstraction has 2786 states and 4077 transitions.
[2024-10-24 01:53:48,839 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:48,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 2786 states and 4077 transitions.
[2024-10-24 01:53:48,840 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-10-24 01:53:48,841 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:48,841 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:48,841 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-10-24 01:53:48,841 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:48,842 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:48,842 INFO  L85        PathProgramCache]: Analyzing trace with hash -1900287085, now seen corresponding path program 1 times
[2024-10-24 01:53:48,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:48,842 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686408004]
[2024-10-24 01:53:48,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:48,842 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:48,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:49,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:49,529 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:49,529 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686408004]
[2024-10-24 01:53:49,529 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686408004] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:49,529 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:49,530 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:53:49,530 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574736302]
[2024-10-24 01:53:49,530 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:49,530 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:53:49,530 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:49,531 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:53:49,531 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:53:49,531 INFO  L87              Difference]: Start difference. First operand 2786 states and 4077 transitions. Second operand  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:50,067 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:50,067 INFO  L93              Difference]: Finished difference Result 6038 states and 8892 transitions.
[2024-10-24 01:53:50,068 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:53:50,068 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122
[2024-10-24 01:53:50,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:50,073 INFO  L225             Difference]: With dead ends: 6038
[2024-10-24 01:53:50,074 INFO  L226             Difference]: Without dead ends: 5400
[2024-10-24 01:53:50,075 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600
[2024-10-24 01:53:50,076 INFO  L432           NwaCegarLoop]: 347 mSDtfsCounter, 924 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:50,076 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 2135 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:50,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5400 states.
[2024-10-24 01:53:50,119 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5400 to 2767.
[2024-10-24 01:53:50,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2767 states, 2766 states have (on average 1.4631236442516269) internal successors, (4047), 2766 states have internal predecessors, (4047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:50,125 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 4047 transitions.
[2024-10-24 01:53:50,125 INFO  L78                 Accepts]: Start accepts. Automaton has 2767 states and 4047 transitions. Word has length 122
[2024-10-24 01:53:50,126 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:50,126 INFO  L471      AbstractCegarLoop]: Abstraction has 2767 states and 4047 transitions.
[2024-10-24 01:53:50,126 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:50,126 INFO  L276                IsEmpty]: Start isEmpty. Operand 2767 states and 4047 transitions.
[2024-10-24 01:53:50,127 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-10-24 01:53:50,127 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:50,128 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:50,128 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-10-24 01:53:50,128 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:50,128 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:50,128 INFO  L85        PathProgramCache]: Analyzing trace with hash 1088651570, now seen corresponding path program 1 times
[2024-10-24 01:53:50,129 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:50,129 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627196003]
[2024-10-24 01:53:50,129 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:50,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:50,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:50,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:50,846 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:50,846 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627196003]
[2024-10-24 01:53:50,846 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627196003] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:50,847 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:50,847 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:53:50,847 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809304489]
[2024-10-24 01:53:50,847 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:50,847 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:53:50,848 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:50,848 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:53:50,848 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:53:50,848 INFO  L87              Difference]: Start difference. First operand 2767 states and 4047 transitions. Second operand  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:51,445 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:51,445 INFO  L93              Difference]: Finished difference Result 5980 states and 8808 transitions.
[2024-10-24 01:53:51,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:53:51,446 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122
[2024-10-24 01:53:51,446 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:51,451 INFO  L225             Difference]: With dead ends: 5980
[2024-10-24 01:53:51,451 INFO  L226             Difference]: Without dead ends: 5362
[2024-10-24 01:53:51,453 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600
[2024-10-24 01:53:51,453 INFO  L432           NwaCegarLoop]: 332 mSDtfsCounter, 1067 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 2535 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:51,454 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 2535 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:51,456 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5362 states.
[2024-10-24 01:53:51,497 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5362 to 2758.
[2024-10-24 01:53:51,500 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2758 states, 2757 states have (on average 1.4617337685890461) internal successors, (4030), 2757 states have internal predecessors, (4030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:51,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 4030 transitions.
[2024-10-24 01:53:51,504 INFO  L78                 Accepts]: Start accepts. Automaton has 2758 states and 4030 transitions. Word has length 122
[2024-10-24 01:53:51,504 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:51,504 INFO  L471      AbstractCegarLoop]: Abstraction has 2758 states and 4030 transitions.
[2024-10-24 01:53:51,504 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:51,504 INFO  L276                IsEmpty]: Start isEmpty. Operand 2758 states and 4030 transitions.
[2024-10-24 01:53:51,505 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-10-24 01:53:51,505 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:51,505 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:51,505 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-10-24 01:53:51,505 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:51,506 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:51,506 INFO  L85        PathProgramCache]: Analyzing trace with hash 112740244, now seen corresponding path program 1 times
[2024-10-24 01:53:51,506 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:51,506 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366580303]
[2024-10-24 01:53:51,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:51,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:51,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:52,159 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:52,160 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:52,160 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366580303]
[2024-10-24 01:53:52,160 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366580303] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:52,160 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:52,160 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:53:52,161 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392862634]
[2024-10-24 01:53:52,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:52,161 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:53:52,163 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:52,163 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:53:52,163 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:53:52,163 INFO  L87              Difference]: Start difference. First operand 2758 states and 4030 transitions. Second operand  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:52,721 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:52,721 INFO  L93              Difference]: Finished difference Result 5951 states and 8763 transitions.
[2024-10-24 01:53:52,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:53:52,722 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122
[2024-10-24 01:53:52,722 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:52,727 INFO  L225             Difference]: With dead ends: 5951
[2024-10-24 01:53:52,728 INFO  L226             Difference]: Without dead ends: 5343
[2024-10-24 01:53:52,729 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600
[2024-10-24 01:53:52,730 INFO  L432           NwaCegarLoop]: 325 mSDtfsCounter, 1057 mSDsluCounter, 1863 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:52,730 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 2188 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:53:52,733 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5343 states.
[2024-10-24 01:53:52,772 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 2754.
[2024-10-24 01:53:52,775 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2754 states, 2753 states have (on average 1.4602252088630585) internal successors, (4020), 2753 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:52,779 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 4020 transitions.
[2024-10-24 01:53:52,779 INFO  L78                 Accepts]: Start accepts. Automaton has 2754 states and 4020 transitions. Word has length 122
[2024-10-24 01:53:52,779 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:52,779 INFO  L471      AbstractCegarLoop]: Abstraction has 2754 states and 4020 transitions.
[2024-10-24 01:53:52,780 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:52,780 INFO  L276                IsEmpty]: Start isEmpty. Operand 2754 states and 4020 transitions.
[2024-10-24 01:53:52,781 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-10-24 01:53:52,781 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:52,781 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:52,781 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-10-24 01:53:52,782 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:52,782 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:52,782 INFO  L85        PathProgramCache]: Analyzing trace with hash 1147539222, now seen corresponding path program 1 times
[2024-10-24 01:53:52,782 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:52,782 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886557482]
[2024-10-24 01:53:52,782 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:52,783 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:52,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:54,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:54,504 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:54,504 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886557482]
[2024-10-24 01:53:54,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886557482] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:54,505 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:54,505 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24
[2024-10-24 01:53:54,505 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712078168]
[2024-10-24 01:53:54,505 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:54,505 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-10-24 01:53:54,506 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:54,506 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-10-24 01:53:54,506 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600
[2024-10-24 01:53:54,507 INFO  L87              Difference]: Start difference. First operand 2754 states and 4020 transitions. Second operand  has 25 states, 25 states have (on average 4.88) internal successors, (122), 24 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:57,310 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:57,311 INFO  L93              Difference]: Finished difference Result 11210 states and 16518 transitions.
[2024-10-24 01:53:57,311 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2024-10-24 01:53:57,311 INFO  L78                 Accepts]: Start accepts. Automaton has  has 25 states, 25 states have (on average 4.88) internal successors, (122), 24 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122
[2024-10-24 01:53:57,312 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:57,323 INFO  L225             Difference]: With dead ends: 11210
[2024-10-24 01:53:57,324 INFO  L226             Difference]: Without dead ends: 10602
[2024-10-24 01:53:57,329 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=514, Invalid=2242, Unknown=0, NotChecked=0, Total=2756
[2024-10-24 01:53:57,329 INFO  L432           NwaCegarLoop]: 454 mSDtfsCounter, 1949 mSDsluCounter, 6390 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 6844 SdHoareTripleChecker+Invalid, 2187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:57,330 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 6844 Invalid, 2187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2183 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-10-24 01:53:57,339 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10602 states.
[2024-10-24 01:53:57,404 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10602 to 2766.
[2024-10-24 01:53:57,407 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2766 states, 2765 states have (on average 1.4585895117540688) internal successors, (4033), 2765 states have internal predecessors, (4033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:57,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 4033 transitions.
[2024-10-24 01:53:57,411 INFO  L78                 Accepts]: Start accepts. Automaton has 2766 states and 4033 transitions. Word has length 122
[2024-10-24 01:53:57,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:57,411 INFO  L471      AbstractCegarLoop]: Abstraction has 2766 states and 4033 transitions.
[2024-10-24 01:53:57,411 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 4.88) internal successors, (122), 24 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:57,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 2766 states and 4033 transitions.
[2024-10-24 01:53:57,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-10-24 01:53:57,415 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:57,415 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:57,416 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-10-24 01:53:57,416 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:57,417 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:57,417 INFO  L85        PathProgramCache]: Analyzing trace with hash -264260456, now seen corresponding path program 1 times
[2024-10-24 01:53:57,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:57,417 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690604784]
[2024-10-24 01:53:57,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:57,417 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:57,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:58,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:58,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:58,098 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690604784]
[2024-10-24 01:53:58,098 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690604784] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:58,099 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:58,099 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2024-10-24 01:53:58,099 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403513761]
[2024-10-24 01:53:58,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:58,099 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-10-24 01:53:58,099 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:58,100 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-10-24 01:53:58,100 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182
[2024-10-24 01:53:58,100 INFO  L87              Difference]: Start difference. First operand 2766 states and 4033 transitions. Second operand  has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 13 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:58,750 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:53:58,750 INFO  L93              Difference]: Finished difference Result 11189 states and 16487 transitions.
[2024-10-24 01:53:58,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-10-24 01:53:58,751 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 13 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122
[2024-10-24 01:53:58,751 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:53:58,761 INFO  L225             Difference]: With dead ends: 11189
[2024-10-24 01:53:58,762 INFO  L226             Difference]: Without dead ends: 10533
[2024-10-24 01:53:58,766 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702
[2024-10-24 01:53:58,766 INFO  L432           NwaCegarLoop]: 442 mSDtfsCounter, 1529 mSDsluCounter, 3584 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-10-24 01:53:58,766 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 4026 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-10-24 01:53:58,773 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10533 states.
[2024-10-24 01:53:58,843 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10533 to 2728.
[2024-10-24 01:53:58,847 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2728 states, 2727 states have (on average 1.4605793912724605) internal successors, (3983), 2727 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:58,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3983 transitions.
[2024-10-24 01:53:58,851 INFO  L78                 Accepts]: Start accepts. Automaton has 2728 states and 3983 transitions. Word has length 122
[2024-10-24 01:53:58,851 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:53:58,851 INFO  L471      AbstractCegarLoop]: Abstraction has 2728 states and 3983 transitions.
[2024-10-24 01:53:58,851 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 13 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:53:58,852 INFO  L276                IsEmpty]: Start isEmpty. Operand 2728 states and 3983 transitions.
[2024-10-24 01:53:58,852 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-10-24 01:53:58,852 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:53:58,853 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:53:58,853 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-10-24 01:53:58,853 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:53:58,853 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:53:58,853 INFO  L85        PathProgramCache]: Analyzing trace with hash 1127062169, now seen corresponding path program 1 times
[2024-10-24 01:53:58,854 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:53:58,854 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042538826]
[2024-10-24 01:53:58,854 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:53:58,854 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:53:58,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:53:59,526 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:53:59,527 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:53:59,527 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042538826]
[2024-10-24 01:53:59,527 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042538826] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:53:59,527 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:53:59,527 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:53:59,527 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552846770]
[2024-10-24 01:53:59,527 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:53:59,527 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:53:59,527 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:53:59,528 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:53:59,528 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:53:59,528 INFO  L87              Difference]: Start difference. First operand 2728 states and 3983 transitions. Second operand  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,025 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:00,025 INFO  L93              Difference]: Finished difference Result 5944 states and 8751 transitions.
[2024-10-24 01:54:00,025 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:54:00,026 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122
[2024-10-24 01:54:00,026 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:00,030 INFO  L225             Difference]: With dead ends: 5944
[2024-10-24 01:54:00,030 INFO  L226             Difference]: Without dead ends: 5344
[2024-10-24 01:54:00,031 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600
[2024-10-24 01:54:00,032 INFO  L432           NwaCegarLoop]: 326 mSDtfsCounter, 1086 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:00,032 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 2146 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:00,034 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5344 states.
[2024-10-24 01:54:00,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 2736.
[2024-10-24 01:54:00,069 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2736 states, 2735 states have (on average 1.4606946983546618) internal successors, (3995), 2735 states have internal predecessors, (3995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,072 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3995 transitions.
[2024-10-24 01:54:00,072 INFO  L78                 Accepts]: Start accepts. Automaton has 2736 states and 3995 transitions. Word has length 122
[2024-10-24 01:54:00,072 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:00,072 INFO  L471      AbstractCegarLoop]: Abstraction has 2736 states and 3995 transitions.
[2024-10-24 01:54:00,073 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 12 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 2736 states and 3995 transitions.
[2024-10-24 01:54:00,073 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-10-24 01:54:00,073 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:00,074 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:00,074 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-10-24 01:54:00,074 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:00,074 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:00,074 INFO  L85        PathProgramCache]: Analyzing trace with hash 1058216819, now seen corresponding path program 1 times
[2024-10-24 01:54:00,075 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:00,075 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713808019]
[2024-10-24 01:54:00,075 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:00,075 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:00,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:00,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:00,252 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:00,252 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713808019]
[2024-10-24 01:54:00,252 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713808019] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:00,252 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:00,253 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 01:54:00,253 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701260787]
[2024-10-24 01:54:00,253 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:00,253 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-24 01:54:00,253 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:00,253 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-24 01:54:00,254 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 01:54:00,254 INFO  L87              Difference]: Start difference. First operand 2736 states and 3995 transitions. Second operand  has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:00,284 INFO  L93              Difference]: Finished difference Result 6532 states and 9636 transitions.
[2024-10-24 01:54:00,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-24 01:54:00,285 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123
[2024-10-24 01:54:00,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:00,287 INFO  L225             Difference]: With dead ends: 6532
[2024-10-24 01:54:00,287 INFO  L226             Difference]: Without dead ends: 3988
[2024-10-24 01:54:00,289 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 01:54:00,290 INFO  L432           NwaCegarLoop]: 238 mSDtfsCounter, 116 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:00,290 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 587 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 01:54:00,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3988 states.
[2024-10-24 01:54:00,316 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3988 to 3969.
[2024-10-24 01:54:00,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3969 states, 3968 states have (on average 1.4611895161290323) internal successors, (5798), 3968 states have internal predecessors, (5798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 3969 states and 5798 transitions.
[2024-10-24 01:54:00,323 INFO  L78                 Accepts]: Start accepts. Automaton has 3969 states and 5798 transitions. Word has length 123
[2024-10-24 01:54:00,323 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:00,324 INFO  L471      AbstractCegarLoop]: Abstraction has 3969 states and 5798 transitions.
[2024-10-24 01:54:00,324 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 3969 states and 5798 transitions.
[2024-10-24 01:54:00,325 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-10-24 01:54:00,325 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:00,325 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:00,325 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-10-24 01:54:00,325 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:00,326 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:00,326 INFO  L85        PathProgramCache]: Analyzing trace with hash -200867657, now seen corresponding path program 1 times
[2024-10-24 01:54:00,326 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:00,326 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786994611]
[2024-10-24 01:54:00,326 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:00,326 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:00,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:00,651 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:00,651 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:00,652 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786994611]
[2024-10-24 01:54:00,652 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786994611] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:00,652 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:00,652 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-10-24 01:54:00,652 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260053515]
[2024-10-24 01:54:00,652 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:00,652 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 01:54:00,652 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:00,653 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 01:54:00,653 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:54:00,653 INFO  L87              Difference]: Start difference. First operand 3969 states and 5798 transitions. Second operand  has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,683 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:00,683 INFO  L93              Difference]: Finished difference Result 3987 states and 5823 transitions.
[2024-10-24 01:54:00,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 01:54:00,684 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123
[2024-10-24 01:54:00,684 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:00,688 INFO  L225             Difference]: With dead ends: 3987
[2024-10-24 01:54:00,688 INFO  L226             Difference]: Without dead ends: 3985
[2024-10-24 01:54:00,689 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 01:54:00,690 INFO  L432           NwaCegarLoop]: 242 mSDtfsCounter, 0 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:00,690 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 960 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 01:54:00,691 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3985 states.
[2024-10-24 01:54:00,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3985.
[2024-10-24 01:54:00,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3985 states, 3984 states have (on average 1.4548192771084338) internal successors, (5796), 3984 states have internal predecessors, (5796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,731 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3985 states to 3985 states and 5796 transitions.
[2024-10-24 01:54:00,731 INFO  L78                 Accepts]: Start accepts. Automaton has 3985 states and 5796 transitions. Word has length 123
[2024-10-24 01:54:00,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:00,731 INFO  L471      AbstractCegarLoop]: Abstraction has 3985 states and 5796 transitions.
[2024-10-24 01:54:00,732 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:00,732 INFO  L276                IsEmpty]: Start isEmpty. Operand 3985 states and 5796 transitions.
[2024-10-24 01:54:00,732 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-10-24 01:54:00,732 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:00,732 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:00,732 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-10-24 01:54:00,733 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:00,733 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:00,733 INFO  L85        PathProgramCache]: Analyzing trace with hash 1295668878, now seen corresponding path program 1 times
[2024-10-24 01:54:00,734 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:00,734 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686812773]
[2024-10-24 01:54:00,734 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:00,734 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:00,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:01,302 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:01,302 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:01,302 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686812773]
[2024-10-24 01:54:01,302 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686812773] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:01,302 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:01,302 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-10-24 01:54:01,303 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224361140]
[2024-10-24 01:54:01,303 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:01,303 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-10-24 01:54:01,303 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:01,304 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-10-24 01:54:01,304 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2024-10-24 01:54:01,304 INFO  L87              Difference]: Start difference. First operand 3985 states and 5796 transitions. Second operand  has 12 states, 12 states have (on average 10.25) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:01,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:01,856 INFO  L93              Difference]: Finished difference Result 15729 states and 23065 transitions.
[2024-10-24 01:54:01,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-10-24 01:54:01,856 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 10.25) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123
[2024-10-24 01:54:01,856 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:01,870 INFO  L225             Difference]: With dead ends: 15729
[2024-10-24 01:54:01,871 INFO  L226             Difference]: Without dead ends: 14784
[2024-10-24 01:54:01,875 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462
[2024-10-24 01:54:01,876 INFO  L432           NwaCegarLoop]: 559 mSDtfsCounter, 937 mSDsluCounter, 2983 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 3542 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:01,876 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [937 Valid, 3542 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:01,882 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14784 states.
[2024-10-24 01:54:01,947 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14784 to 3789.
[2024-10-24 01:54:01,950 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3789 states, 3788 states have (on average 1.4574973600844774) internal successors, (5521), 3788 states have internal predecessors, (5521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:01,954 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3789 states and 5521 transitions.
[2024-10-24 01:54:01,954 INFO  L78                 Accepts]: Start accepts. Automaton has 3789 states and 5521 transitions. Word has length 123
[2024-10-24 01:54:01,954 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:01,954 INFO  L471      AbstractCegarLoop]: Abstraction has 3789 states and 5521 transitions.
[2024-10-24 01:54:01,954 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 10.25) internal successors, (123), 11 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:01,955 INFO  L276                IsEmpty]: Start isEmpty. Operand 3789 states and 5521 transitions.
[2024-10-24 01:54:01,955 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-10-24 01:54:01,955 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:01,955 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:01,956 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-10-24 01:54:01,956 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:01,956 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:01,956 INFO  L85        PathProgramCache]: Analyzing trace with hash 1361192789, now seen corresponding path program 1 times
[2024-10-24 01:54:01,956 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:01,956 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898721752]
[2024-10-24 01:54:01,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:01,957 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:02,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:02,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:02,677 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:02,677 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898721752]
[2024-10-24 01:54:02,677 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898721752] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:02,677 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:02,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-10-24 01:54:02,677 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071956948]
[2024-10-24 01:54:02,677 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:02,678 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-10-24 01:54:02,678 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:02,678 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-10-24 01:54:02,678 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:54:02,678 INFO  L87              Difference]: Start difference. First operand 3789 states and 5521 transitions. Second operand  has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 12 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:03,224 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:03,224 INFO  L93              Difference]: Finished difference Result 8352 states and 12231 transitions.
[2024-10-24 01:54:03,225 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-24 01:54:03,225 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 12 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124
[2024-10-24 01:54:03,226 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:03,236 INFO  L225             Difference]: With dead ends: 8352
[2024-10-24 01:54:03,237 INFO  L226             Difference]: Without dead ends: 7438
[2024-10-24 01:54:03,240 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600
[2024-10-24 01:54:03,243 INFO  L432           NwaCegarLoop]: 334 mSDtfsCounter, 880 mSDsluCounter, 2355 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2689 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:03,243 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 2689 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:03,248 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7438 states.
[2024-10-24 01:54:03,297 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7438 to 3769.
[2024-10-24 01:54:03,300 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3769 states, 3768 states have (on average 1.4585987261146496) internal successors, (5496), 3768 states have internal predecessors, (5496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:03,305 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 5496 transitions.
[2024-10-24 01:54:03,305 INFO  L78                 Accepts]: Start accepts. Automaton has 3769 states and 5496 transitions. Word has length 124
[2024-10-24 01:54:03,305 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:03,306 INFO  L471      AbstractCegarLoop]: Abstraction has 3769 states and 5496 transitions.
[2024-10-24 01:54:03,306 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 12 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:03,306 INFO  L276                IsEmpty]: Start isEmpty. Operand 3769 states and 5496 transitions.
[2024-10-24 01:54:03,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-10-24 01:54:03,310 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:03,310 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:03,310 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-10-24 01:54:03,310 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:03,311 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:03,311 INFO  L85        PathProgramCache]: Analyzing trace with hash -1428291440, now seen corresponding path program 1 times
[2024-10-24 01:54:03,311 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:03,311 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707609316]
[2024-10-24 01:54:03,311 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:03,311 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:03,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:03,440 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:03,440 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:03,440 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707609316]
[2024-10-24 01:54:03,440 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707609316] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:03,441 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:03,441 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-24 01:54:03,441 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545677637]
[2024-10-24 01:54:03,441 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:03,441 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-24 01:54:03,442 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:03,442 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-24 01:54:03,442 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-24 01:54:03,442 INFO  L87              Difference]: Start difference. First operand 3769 states and 5496 transitions. Second operand  has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:03,474 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:03,474 INFO  L93              Difference]: Finished difference Result 7734 states and 11333 transitions.
[2024-10-24 01:54:03,475 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-24 01:54:03,475 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159
[2024-10-24 01:54:03,475 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:03,481 INFO  L225             Difference]: With dead ends: 7734
[2024-10-24 01:54:03,481 INFO  L226             Difference]: Without dead ends: 5173
[2024-10-24 01:54:03,484 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-24 01:54:03,485 INFO  L432           NwaCegarLoop]: 323 mSDtfsCounter, 108 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:03,485 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 527 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 01:54:03,488 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5173 states.
[2024-10-24 01:54:03,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 5031.
[2024-10-24 01:54:03,530 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5031 states, 5030 states have (on average 1.458648111332008) internal successors, (7337), 5030 states have internal predecessors, (7337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:03,538 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 5031 states and 7337 transitions.
[2024-10-24 01:54:03,538 INFO  L78                 Accepts]: Start accepts. Automaton has 5031 states and 7337 transitions. Word has length 159
[2024-10-24 01:54:03,539 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:03,539 INFO  L471      AbstractCegarLoop]: Abstraction has 5031 states and 7337 transitions.
[2024-10-24 01:54:03,539 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:03,539 INFO  L276                IsEmpty]: Start isEmpty. Operand 5031 states and 7337 transitions.
[2024-10-24 01:54:03,540 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-10-24 01:54:03,540 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:03,541 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:03,541 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-10-24 01:54:03,541 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:03,542 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:03,542 INFO  L85        PathProgramCache]: Analyzing trace with hash -1368956996, now seen corresponding path program 1 times
[2024-10-24 01:54:03,542 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:03,542 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674680870]
[2024-10-24 01:54:03,542 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:03,542 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:03,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:03,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:03,755 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:03,755 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674680870]
[2024-10-24 01:54:03,755 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674680870] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:03,755 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:03,755 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-24 01:54:03,755 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006482934]
[2024-10-24 01:54:03,755 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:03,756 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-24 01:54:03,756 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:03,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-24 01:54:03,757 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:54:03,757 INFO  L87              Difference]: Start difference. First operand 5031 states and 7337 transitions. Second operand  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:04,050 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:04,050 INFO  L93              Difference]: Finished difference Result 21425 states and 31625 transitions.
[2024-10-24 01:54:04,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:54:04,050 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159
[2024-10-24 01:54:04,051 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:04,065 INFO  L225             Difference]: With dead ends: 21425
[2024-10-24 01:54:04,065 INFO  L226             Difference]: Without dead ends: 16528
[2024-10-24 01:54:04,073 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:54:04,074 INFO  L432           NwaCegarLoop]: 138 mSDtfsCounter, 1417 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:04,074 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1417 Valid, 486 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:04,083 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16528 states.
[2024-10-24 01:54:04,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16528 to 10586.
[2024-10-24 01:54:04,180 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10586 states, 10585 states have (on average 1.459990552668871) internal successors, (15454), 10585 states have internal predecessors, (15454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:04,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10586 states to 10586 states and 15454 transitions.
[2024-10-24 01:54:04,195 INFO  L78                 Accepts]: Start accepts. Automaton has 10586 states and 15454 transitions. Word has length 159
[2024-10-24 01:54:04,195 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:04,196 INFO  L471      AbstractCegarLoop]: Abstraction has 10586 states and 15454 transitions.
[2024-10-24 01:54:04,196 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:04,196 INFO  L276                IsEmpty]: Start isEmpty. Operand 10586 states and 15454 transitions.
[2024-10-24 01:54:04,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-10-24 01:54:04,197 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:04,197 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:04,198 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-10-24 01:54:04,198 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:04,198 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:04,198 INFO  L85        PathProgramCache]: Analyzing trace with hash 845958088, now seen corresponding path program 1 times
[2024-10-24 01:54:04,198 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:04,199 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602248039]
[2024-10-24 01:54:04,199 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:04,199 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:04,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:04,350 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:04,350 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:04,350 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602248039]
[2024-10-24 01:54:04,351 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602248039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:04,351 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:04,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-24 01:54:04,351 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512255217]
[2024-10-24 01:54:04,351 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:04,351 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-24 01:54:04,352 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:04,352 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-24 01:54:04,352 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:54:04,352 INFO  L87              Difference]: Start difference. First operand 10586 states and 15454 transitions. Second operand  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:04,676 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:04,676 INFO  L93              Difference]: Finished difference Result 42050 states and 61916 transitions.
[2024-10-24 01:54:04,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:54:04,677 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159
[2024-10-24 01:54:04,677 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:04,709 INFO  L225             Difference]: With dead ends: 42050
[2024-10-24 01:54:04,709 INFO  L226             Difference]: Without dead ends: 31598
[2024-10-24 01:54:04,724 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:54:04,724 INFO  L432           NwaCegarLoop]: 138 mSDtfsCounter, 1332 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1332 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:04,725 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1332 Valid, 484 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:04,741 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31598 states.
[2024-10-24 01:54:04,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31598 to 22356.
[2024-10-24 01:54:04,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22356 states, 22355 states have (on average 1.4588235294117646) internal successors, (32612), 22355 states have internal predecessors, (32612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:04,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22356 states to 22356 states and 32612 transitions.
[2024-10-24 01:54:04,971 INFO  L78                 Accepts]: Start accepts. Automaton has 22356 states and 32612 transitions. Word has length 159
[2024-10-24 01:54:04,971 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:04,971 INFO  L471      AbstractCegarLoop]: Abstraction has 22356 states and 32612 transitions.
[2024-10-24 01:54:04,972 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:04,972 INFO  L276                IsEmpty]: Start isEmpty. Operand 22356 states and 32612 transitions.
[2024-10-24 01:54:04,973 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-10-24 01:54:04,973 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:04,976 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:04,976 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-10-24 01:54:04,976 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:04,977 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:04,977 INFO  L85        PathProgramCache]: Analyzing trace with hash -852786651, now seen corresponding path program 1 times
[2024-10-24 01:54:04,977 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:04,977 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520435337]
[2024-10-24 01:54:04,977 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:04,977 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:05,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:05,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:05,233 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:05,233 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520435337]
[2024-10-24 01:54:05,233 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520435337] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:05,233 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:05,233 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-24 01:54:05,233 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041945249]
[2024-10-24 01:54:05,234 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:05,234 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-24 01:54:05,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:05,234 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-24 01:54:05,234 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:54:05,235 INFO  L87              Difference]: Start difference. First operand 22356 states and 32612 transitions. Second operand  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:05,570 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:05,571 INFO  L93              Difference]: Finished difference Result 82640 states and 121310 transitions.
[2024-10-24 01:54:05,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:54:05,571 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159
[2024-10-24 01:54:05,571 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:05,635 INFO  L225             Difference]: With dead ends: 82640
[2024-10-24 01:54:05,636 INFO  L226             Difference]: Without dead ends: 60418
[2024-10-24 01:54:05,663 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:54:05,663 INFO  L432           NwaCegarLoop]: 138 mSDtfsCounter, 1247 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:05,664 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 482 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:05,699 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60418 states.
[2024-10-24 01:54:06,288 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60418 to 47216.
[2024-10-24 01:54:06,321 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 47216 states, 47215 states have (on average 1.4566557238165838) internal successors, (68776), 47215 states have internal predecessors, (68776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:06,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47216 states to 47216 states and 68776 transitions.
[2024-10-24 01:54:06,529 INFO  L78                 Accepts]: Start accepts. Automaton has 47216 states and 68776 transitions. Word has length 159
[2024-10-24 01:54:06,529 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:06,530 INFO  L471      AbstractCegarLoop]: Abstraction has 47216 states and 68776 transitions.
[2024-10-24 01:54:06,530 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:06,530 INFO  L276                IsEmpty]: Start isEmpty. Operand 47216 states and 68776 transitions.
[2024-10-24 01:54:06,532 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-10-24 01:54:06,532 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:06,532 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:06,532 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-10-24 01:54:06,532 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:06,533 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:06,533 INFO  L85        PathProgramCache]: Analyzing trace with hash -375658915, now seen corresponding path program 1 times
[2024-10-24 01:54:06,533 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:06,533 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105200819]
[2024-10-24 01:54:06,533 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:06,533 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:06,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:06,831 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:06,831 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:06,831 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105200819]
[2024-10-24 01:54:06,832 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105200819] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-24 01:54:06,832 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215414541]
[2024-10-24 01:54:06,832 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:06,832 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-24 01:54:06,832 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 01:54:06,835 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-24 01:54:06,836 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-10-24 01:54:07,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:07,056 INFO  L255         TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-10-24 01:54:07,068 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-24 01:54:07,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:07,541 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-24 01:54:07,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:07,758 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [215414541] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-24 01:54:07,758 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-24 01:54:07,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10
[2024-10-24 01:54:07,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035326988]
[2024-10-24 01:54:07,758 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-24 01:54:07,759 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-10-24 01:54:07,759 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:07,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-10-24 01:54:07,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2024-10-24 01:54:07,760 INFO  L87              Difference]: Start difference. First operand 47216 states and 68776 transitions. Second operand  has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:08,466 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:08,466 INFO  L93              Difference]: Finished difference Result 151941 states and 221883 transitions.
[2024-10-24 01:54:08,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:54:08,467 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159
[2024-10-24 01:54:08,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:08,613 INFO  L225             Difference]: With dead ends: 151941
[2024-10-24 01:54:08,613 INFO  L226             Difference]: Without dead ends: 104859
[2024-10-24 01:54:08,649 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 308 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240
[2024-10-24 01:54:08,649 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 826 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:08,649 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 563 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:08,706 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 104859 states.
[2024-10-24 01:54:09,753 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 104859 to 99576.
[2024-10-24 01:54:09,831 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99576 states, 99575 states have (on average 1.454180266131057) internal successors, (144800), 99575 states have internal predecessors, (144800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:10,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99576 states to 99576 states and 144800 transitions.
[2024-10-24 01:54:10,271 INFO  L78                 Accepts]: Start accepts. Automaton has 99576 states and 144800 transitions. Word has length 159
[2024-10-24 01:54:10,272 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:10,272 INFO  L471      AbstractCegarLoop]: Abstraction has 99576 states and 144800 transitions.
[2024-10-24 01:54:10,272 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:10,272 INFO  L276                IsEmpty]: Start isEmpty. Operand 99576 states and 144800 transitions.
[2024-10-24 01:54:10,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-10-24 01:54:10,277 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:10,277 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:10,292 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-10-24 01:54:10,478 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-24 01:54:10,478 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:10,479 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:10,479 INFO  L85        PathProgramCache]: Analyzing trace with hash 665812651, now seen corresponding path program 1 times
[2024-10-24 01:54:10,479 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:10,479 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312106962]
[2024-10-24 01:54:10,479 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:10,479 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:10,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:10,631 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:10,631 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:10,631 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312106962]
[2024-10-24 01:54:10,631 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312106962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:10,632 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:10,632 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-24 01:54:10,632 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108769880]
[2024-10-24 01:54:10,632 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:10,632 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-24 01:54:10,633 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:10,633 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-24 01:54:10,633 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:54:10,633 INFO  L87              Difference]: Start difference. First operand 99576 states and 144800 transitions. Second operand  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:11,976 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:11,976 INFO  L93              Difference]: Finished difference Result 334364 states and 487970 transitions.
[2024-10-24 01:54:11,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-10-24 01:54:11,976 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159
[2024-10-24 01:54:11,976 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:12,615 INFO  L225             Difference]: With dead ends: 334364
[2024-10-24 01:54:12,615 INFO  L226             Difference]: Without dead ends: 234922
[2024-10-24 01:54:12,707 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2024-10-24 01:54:12,710 INFO  L432           NwaCegarLoop]: 138 mSDtfsCounter, 1162 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:12,710 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 480 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-10-24 01:54:12,825 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 234922 states.
[2024-10-24 01:54:15,369 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 234922 to 209576.
[2024-10-24 01:54:15,573 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 209576 states, 209575 states have (on average 1.451699868782059) internal successors, (304240), 209575 states have internal predecessors, (304240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:15,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 209576 states to 209576 states and 304240 transitions.
[2024-10-24 01:54:15,980 INFO  L78                 Accepts]: Start accepts. Automaton has 209576 states and 304240 transitions. Word has length 159
[2024-10-24 01:54:15,981 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:15,981 INFO  L471      AbstractCegarLoop]: Abstraction has 209576 states and 304240 transitions.
[2024-10-24 01:54:15,981 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:15,981 INFO  L276                IsEmpty]: Start isEmpty. Operand 209576 states and 304240 transitions.
[2024-10-24 01:54:15,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2024-10-24 01:54:15,984 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:15,984 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:15,984 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-10-24 01:54:15,984 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:15,985 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:15,985 INFO  L85        PathProgramCache]: Analyzing trace with hash -256591469, now seen corresponding path program 1 times
[2024-10-24 01:54:15,985 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:15,985 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082303045]
[2024-10-24 01:54:15,985 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:15,985 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:16,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:16,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 01:54:16,129 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:16,129 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082303045]
[2024-10-24 01:54:16,129 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082303045] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:16,129 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:16,132 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-24 01:54:16,133 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215267493]
[2024-10-24 01:54:16,133 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:16,133 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-24 01:54:16,136 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:16,136 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-24 01:54:16,137 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-10-24 01:54:16,137 INFO  L87              Difference]: Start difference. First operand 209576 states and 304240 transitions. Second operand  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:18,284 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:18,284 INFO  L93              Difference]: Finished difference Result 474847 states and 689832 transitions.
[2024-10-24 01:54:18,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-10-24 01:54:18,285 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159
[2024-10-24 01:54:18,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:19,392 INFO  L225             Difference]: With dead ends: 474847
[2024-10-24 01:54:19,392 INFO  L226             Difference]: Without dead ends: 265405
[2024-10-24 01:54:19,485 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2024-10-24 01:54:19,485 INFO  L432           NwaCegarLoop]: 177 mSDtfsCounter, 1031 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:19,485 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 609 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-10-24 01:54:19,608 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 265405 states.
[2024-10-24 01:54:21,820 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 265405 to 219377.
[2024-10-24 01:54:21,988 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 219377 states, 219376 states have (on average 1.4464116402888192) internal successors, (317308), 219376 states have internal predecessors, (317308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:23,006 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 219377 states to 219377 states and 317308 transitions.
[2024-10-24 01:54:23,006 INFO  L78                 Accepts]: Start accepts. Automaton has 219377 states and 317308 transitions. Word has length 159
[2024-10-24 01:54:23,007 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:23,007 INFO  L471      AbstractCegarLoop]: Abstraction has 219377 states and 317308 transitions.
[2024-10-24 01:54:23,007 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:23,007 INFO  L276                IsEmpty]: Start isEmpty. Operand 219377 states and 317308 transitions.
[2024-10-24 01:54:23,119 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2024-10-24 01:54:23,119 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:23,127 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:23,127 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-10-24 01:54:23,128 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:23,128 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:23,128 INFO  L85        PathProgramCache]: Analyzing trace with hash 74914063, now seen corresponding path program 1 times
[2024-10-24 01:54:23,128 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:23,129 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844538776]
[2024-10-24 01:54:23,129 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:23,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:23,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:23,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-10-24 01:54:23,520 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:23,521 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844538776]
[2024-10-24 01:54:23,521 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844538776] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:23,521 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:23,521 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-24 01:54:23,521 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352993169]
[2024-10-24 01:54:23,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:23,523 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-24 01:54:23,523 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:23,523 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-24 01:54:23,524 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-24 01:54:23,524 INFO  L87              Difference]: Start difference. First operand 219377 states and 317308 transitions. Second operand  has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:25,736 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 01:54:25,737 INFO  L93              Difference]: Finished difference Result 427477 states and 617502 transitions.
[2024-10-24 01:54:25,737 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-24 01:54:25,737 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 194
[2024-10-24 01:54:25,738 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 01:54:26,116 INFO  L225             Difference]: With dead ends: 427477
[2024-10-24 01:54:26,116 INFO  L226             Difference]: Without dead ends: 208240
[2024-10-24 01:54:26,231 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-24 01:54:26,233 INFO  L432           NwaCegarLoop]: 306 mSDtfsCounter, 104 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 01:54:26,234 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 516 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 01:54:26,364 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 208240 states.
[2024-10-24 01:54:28,668 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 208240 to 204968.
[2024-10-24 01:54:28,807 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 204968 states, 204967 states have (on average 1.438904799309157) internal successors, (294928), 204967 states have internal predecessors, (294928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:29,173 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 204968 states to 204968 states and 294928 transitions.
[2024-10-24 01:54:29,173 INFO  L78                 Accepts]: Start accepts. Automaton has 204968 states and 294928 transitions. Word has length 194
[2024-10-24 01:54:29,174 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 01:54:29,174 INFO  L471      AbstractCegarLoop]: Abstraction has 204968 states and 294928 transitions.
[2024-10-24 01:54:29,174 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 01:54:29,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 204968 states and 294928 transitions.
[2024-10-24 01:54:29,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2024-10-24 01:54:29,199 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 01:54:29,199 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 01:54:29,199 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-10-24 01:54:29,199 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 01:54:29,200 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 01:54:29,200 INFO  L85        PathProgramCache]: Analyzing trace with hash -816054603, now seen corresponding path program 1 times
[2024-10-24 01:54:29,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 01:54:29,200 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447374690]
[2024-10-24 01:54:29,200 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 01:54:29,200 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 01:54:29,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 01:54:29,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-10-24 01:54:29,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 01:54:29,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447374690]
[2024-10-24 01:54:29,354 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447374690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 01:54:29,354 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 01:54:29,354 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-24 01:54:29,354 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340296004]
[2024-10-24 01:54:29,354 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 01:54:29,354 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-24 01:54:29,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 01:54:29,355 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-24 01:54:29,355 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-24 01:54:29,355 INFO  L87              Difference]: Start difference. First operand 204968 states and 294928 transitions. Second operand  has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)