./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 8be7027f
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash b773bc59a3a32a4857bdbe1928632a8d294966591446d3a00a20286db9b70bd7
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-11 23:12:01,305 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-11 23:12:01,366 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-11 23:12:01,371 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-11 23:12:01,373 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-11 23:12:01,396 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-11 23:12:01,397 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-11 23:12:01,397 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-11 23:12:01,398 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-11 23:12:01,399 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-11 23:12:01,400 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-11 23:12:01,400 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-11 23:12:01,400 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-11 23:12:01,402 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-11 23:12:01,402 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-11 23:12:01,402 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-11 23:12:01,402 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-11 23:12:01,402 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-11 23:12:01,402 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-11 23:12:01,403 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-11 23:12:01,403 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-11 23:12:01,403 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-11 23:12:01,403 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-11 23:12:01,404 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-11 23:12:01,404 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-11 23:12:01,404 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-11 23:12:01,404 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-11 23:12:01,404 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-11 23:12:01,405 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-11 23:12:01,405 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 23:12:01,405 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-11 23:12:01,405 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-11 23:12:01,405 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-11 23:12:01,405 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-11 23:12:01,405 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-11 23:12:01,405 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-11 23:12:01,406 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-11 23:12:01,406 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-11 23:12:01,406 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-11 23:12:01,406 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b773bc59a3a32a4857bdbe1928632a8d294966591446d3a00a20286db9b70bd7
[2024-11-11 23:12:01,600 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-11 23:12:01,618 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-11 23:12:01,620 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-11 23:12:01,621 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-11 23:12:01,621 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-11 23:12:01,622 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c
[2024-11-11 23:12:02,790 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-11 23:12:03,097 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-11 23:12:03,097 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c
[2024-11-11 23:12:03,123 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a765f9e60/5ca7f4eb74cf43508ca3256249985710/FLAGefb7eff63
[2024-11-11 23:12:03,372 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a765f9e60/5ca7f4eb74cf43508ca3256249985710
[2024-11-11 23:12:03,374 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-11 23:12:03,375 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-11 23:12:03,377 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-11 23:12:03,377 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-11 23:12:03,381 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-11 23:12:03,382 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:12:03" (1/1) ...
[2024-11-11 23:12:03,382 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15166587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:03, skipping insertion in model container
[2024-11-11 23:12:03,383 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:12:03" (1/1) ...
[2024-11-11 23:12:03,448 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-11 23:12:03,631 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c[1270,1283]
[2024-11-11 23:12:04,080 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 23:12:04,089 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-11 23:12:04,096 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c[1270,1283]
[2024-11-11 23:12:04,287 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-11 23:12:04,301 INFO  L204         MainTranslator]: Completed translation
[2024-11-11 23:12:04,301 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04 WrapperNode
[2024-11-11 23:12:04,301 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-11 23:12:04,302 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-11 23:12:04,302 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-11 23:12:04,302 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-11 23:12:04,307 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:04,384 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:05,385 INFO  L138                Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9622
[2024-11-11 23:12:05,389 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-11 23:12:05,390 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-11 23:12:05,390 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-11 23:12:05,390 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-11 23:12:05,407 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:05,408 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:05,704 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:05,960 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].
[2024-11-11 23:12:05,961 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:05,961 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:06,190 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:06,218 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:06,265 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:06,301 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:06,442 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-11 23:12:06,443 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-11 23:12:06,443 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-11 23:12:06,443 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-11 23:12:06,444 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (1/1) ...
[2024-11-11 23:12:06,452 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-11 23:12:06,460 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-11 23:12:06,473 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)
[2024-11-11 23:12:06,475 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
[2024-11-11 23:12:06,513 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-11 23:12:06,513 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-11 23:12:06,513 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-11 23:12:06,513 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-11 23:12:06,514 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-11 23:12:06,514 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-11 23:12:07,145 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-11 23:12:07,147 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-11 23:12:15,501 INFO  L?                        ?]: Removed 5596 outVars from TransFormulas that were not future-live.
[2024-11-11 23:12:15,501 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-11 23:12:15,546 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-11 23:12:15,547 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-11 23:12:15,547 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:12:15 BoogieIcfgContainer
[2024-11-11 23:12:15,547 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-11 23:12:15,549 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-11 23:12:15,550 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-11 23:12:15,552 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-11 23:12:15,552 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 11:12:03" (1/3) ...
[2024-11-11 23:12:15,553 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e689ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:12:15, skipping insertion in model container
[2024-11-11 23:12:15,553 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:12:04" (2/3) ...
[2024-11-11 23:12:15,554 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e689ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:12:15, skipping insertion in model container
[2024-11-11 23:12:15,555 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:12:15" (3/3) ...
[2024-11-11 23:12:15,556 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c
[2024-11-11 23:12:15,568 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-11 23:12:15,568 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-11 23:12:15,654 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-11 23:12:15,660 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;@76d211bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-11 23:12:15,660 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-11 23:12:15,671 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2568 states, 2558 states have (on average 1.4980453479280689) internal successors, (3832), 2559 states have internal predecessors, (3832), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:15,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 600
[2024-11-11 23:12:15,697 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:15,698 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:15,698 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:15,708 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:15,708 INFO  L85        PathProgramCache]: Analyzing trace with hash -2062558188, now seen corresponding path program 1 times
[2024-11-11 23:12:15,715 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:15,716 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12313079]
[2024-11-11 23:12:15,716 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:15,716 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:16,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,588 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:16,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,596 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:16,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,598 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:16,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,599 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:16,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,601 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:16,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,602 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:16,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,604 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:16,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:16,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:16,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:16,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12313079]
[2024-11-11 23:12:16,613 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12313079] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:16,613 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:16,613 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-11 23:12:16,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859356139]
[2024-11-11 23:12:16,615 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:16,619 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-11 23:12:16,619 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:16,638 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-11 23:12:16,639 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-11 23:12:16,692 INFO  L87              Difference]: Start difference. First operand  has 2568 states, 2558 states have (on average 1.4980453479280689) internal successors, (3832), 2559 states have internal predecessors, (3832), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand  has 2 states, 2 states have (on average 283.5) internal successors, (567), 2 states have internal predecessors, (567), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-11 23:12:16,777 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:16,777 INFO  L93              Difference]: Finished difference Result 4567 states and 6849 transitions.
[2024-11-11 23:12:16,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-11 23:12:16,779 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 283.5) internal successors, (567), 2 states have internal predecessors, (567), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 599
[2024-11-11 23:12:16,782 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:16,803 INFO  L225             Difference]: With dead ends: 4567
[2024-11-11 23:12:16,804 INFO  L226             Difference]: Without dead ends: 2565
[2024-11-11 23:12:16,811 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-11 23:12:16,813 INFO  L435           NwaCegarLoop]: 3841 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3841 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:16,816 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3841 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:12:16,833 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2565 states.
[2024-11-11 23:12:16,899 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2565.
[2024-11-11 23:12:16,904 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2565 states, 2556 states have (on average 1.4972613458528952) internal successors, (3827), 2556 states have internal predecessors, (3827), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:16,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3841 transitions.
[2024-11-11 23:12:16,911 INFO  L78                 Accepts]: Start accepts. Automaton has 2565 states and 3841 transitions. Word has length 599
[2024-11-11 23:12:16,913 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:16,913 INFO  L471      AbstractCegarLoop]: Abstraction has 2565 states and 3841 transitions.
[2024-11-11 23:12:16,914 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 283.5) internal successors, (567), 2 states have internal predecessors, (567), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-11 23:12:16,914 INFO  L276                IsEmpty]: Start isEmpty. Operand 2565 states and 3841 transitions.
[2024-11-11 23:12:16,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 600
[2024-11-11 23:12:16,923 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:16,923 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:16,923 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-11 23:12:16,924 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:16,924 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:16,925 INFO  L85        PathProgramCache]: Analyzing trace with hash -1815310650, now seen corresponding path program 1 times
[2024-11-11 23:12:16,925 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:16,925 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564010758]
[2024-11-11 23:12:16,925 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:16,925 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:17,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,511 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:19,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,514 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:19,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,516 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:19,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,520 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:19,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,522 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:19,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,526 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:19,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,527 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:19,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:19,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:19,530 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:19,530 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564010758]
[2024-11-11 23:12:19,531 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564010758] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:19,531 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:19,531 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:12:19,531 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931350270]
[2024-11-11 23:12:19,531 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:19,534 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:12:19,534 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:19,535 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:12:19,536 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:12:19,536 INFO  L87              Difference]: Start difference. First operand 2565 states and 3841 transitions. Second operand  has 4 states, 4 states have (on average 141.75) internal successors, (567), 4 states have internal predecessors, (567), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:19,610 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:19,610 INFO  L93              Difference]: Finished difference Result 2569 states and 3845 transitions.
[2024-11-11 23:12:19,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:19,611 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 141.75) internal successors, (567), 4 states have internal predecessors, (567), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 599
[2024-11-11 23:12:19,612 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:19,619 INFO  L225             Difference]: With dead ends: 2569
[2024-11-11 23:12:19,620 INFO  L226             Difference]: Without dead ends: 2567
[2024-11-11 23:12:19,622 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:12:19,623 INFO  L435           NwaCegarLoop]: 3839 mSDtfsCounter, 0 mSDsluCounter, 7672 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11511 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:19,624 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11511 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:12:19,628 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2567 states.
[2024-11-11 23:12:19,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567.
[2024-11-11 23:12:19,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2567 states, 2558 states have (on average 1.4968725566849101) internal successors, (3829), 2558 states have internal predecessors, (3829), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:19,666 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3843 transitions.
[2024-11-11 23:12:19,666 INFO  L78                 Accepts]: Start accepts. Automaton has 2567 states and 3843 transitions. Word has length 599
[2024-11-11 23:12:19,667 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:19,667 INFO  L471      AbstractCegarLoop]: Abstraction has 2567 states and 3843 transitions.
[2024-11-11 23:12:19,668 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 141.75) internal successors, (567), 4 states have internal predecessors, (567), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:19,668 INFO  L276                IsEmpty]: Start isEmpty. Operand 2567 states and 3843 transitions.
[2024-11-11 23:12:19,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 601
[2024-11-11 23:12:19,672 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:19,672 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:19,673 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-11 23:12:19,673 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:19,674 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:19,675 INFO  L85        PathProgramCache]: Analyzing trace with hash -438356547, now seen corresponding path program 1 times
[2024-11-11 23:12:19,675 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:19,675 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518494445]
[2024-11-11 23:12:19,676 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:19,676 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:20,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,106 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:21,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,110 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:21,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,111 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:21,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,115 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:21,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,117 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:21,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,119 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:21,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,121 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:21,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:21,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:21,125 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:21,125 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518494445]
[2024-11-11 23:12:21,126 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518494445] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:21,126 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:21,126 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:21,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27134062]
[2024-11-11 23:12:21,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:21,127 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:21,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:21,128 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:21,128 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:21,129 INFO  L87              Difference]: Start difference. First operand 2567 states and 3843 transitions. Second operand  has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:22,428 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:22,428 INFO  L93              Difference]: Finished difference Result 6223 states and 9319 transitions.
[2024-11-11 23:12:22,429 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-11 23:12:22,429 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 600
[2024-11-11 23:12:22,430 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:22,438 INFO  L225             Difference]: With dead ends: 6223
[2024-11-11 23:12:22,438 INFO  L226             Difference]: Without dead ends: 2567
[2024-11-11 23:12:22,443 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-11 23:12:22,444 INFO  L435           NwaCegarLoop]: 3825 mSDtfsCounter, 7696 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7696 SdHoareTripleChecker+Valid, 10639 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:22,444 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7696 Valid, 10639 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-11 23:12:22,448 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2567 states.
[2024-11-11 23:12:22,475 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567.
[2024-11-11 23:12:22,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2567 states, 2558 states have (on average 1.4964816262705238) internal successors, (3828), 2558 states have internal predecessors, (3828), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:22,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3842 transitions.
[2024-11-11 23:12:22,487 INFO  L78                 Accepts]: Start accepts. Automaton has 2567 states and 3842 transitions. Word has length 600
[2024-11-11 23:12:22,488 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:22,488 INFO  L471      AbstractCegarLoop]: Abstraction has 2567 states and 3842 transitions.
[2024-11-11 23:12:22,488 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:22,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 2567 states and 3842 transitions.
[2024-11-11 23:12:22,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 602
[2024-11-11 23:12:22,492 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:22,492 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:22,493 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-11 23:12:22,493 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:22,493 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:22,494 INFO  L85        PathProgramCache]: Analyzing trace with hash -1036168225, now seen corresponding path program 1 times
[2024-11-11 23:12:22,494 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:22,494 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181116183]
[2024-11-11 23:12:22,494 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:22,494 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:22,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,753 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:23,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,757 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:23,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,760 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:23,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,762 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:23,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,764 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:23,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,766 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:23,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,768 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:23,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:23,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:23,771 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:23,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181116183]
[2024-11-11 23:12:23,771 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181116183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:23,771 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:23,771 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:23,771 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164256635]
[2024-11-11 23:12:23,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:23,772 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:23,772 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:23,773 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:23,773 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:23,773 INFO  L87              Difference]: Start difference. First operand 2567 states and 3842 transitions. Second operand  has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:24,866 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:24,866 INFO  L93              Difference]: Finished difference Result 4568 states and 6836 transitions.
[2024-11-11 23:12:24,866 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:24,867 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 601
[2024-11-11 23:12:24,868 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:24,874 INFO  L225             Difference]: With dead ends: 4568
[2024-11-11 23:12:24,874 INFO  L226             Difference]: Without dead ends: 2567
[2024-11-11 23:12:24,877 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:24,878 INFO  L435           NwaCegarLoop]: 2967 mSDtfsCounter, 3728 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 5947 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:24,878 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 5947 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-11 23:12:24,881 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2567 states.
[2024-11-11 23:12:24,903 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567.
[2024-11-11 23:12:24,905 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2567 states, 2558 states have (on average 1.4960906958561375) internal successors, (3827), 2558 states have internal predecessors, (3827), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:24,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3841 transitions.
[2024-11-11 23:12:24,911 INFO  L78                 Accepts]: Start accepts. Automaton has 2567 states and 3841 transitions. Word has length 601
[2024-11-11 23:12:24,911 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:24,911 INFO  L471      AbstractCegarLoop]: Abstraction has 2567 states and 3841 transitions.
[2024-11-11 23:12:24,912 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 113.8) internal successors, (569), 5 states have internal predecessors, (569), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:24,912 INFO  L276                IsEmpty]: Start isEmpty. Operand 2567 states and 3841 transitions.
[2024-11-11 23:12:24,915 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 603
[2024-11-11 23:12:24,915 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:24,916 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:24,916 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-11 23:12:24,916 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:24,917 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:24,917 INFO  L85        PathProgramCache]: Analyzing trace with hash 1991191014, now seen corresponding path program 1 times
[2024-11-11 23:12:24,917 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:24,917 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51527105]
[2024-11-11 23:12:24,917 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:24,918 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:25,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,353 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:26,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,355 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:26,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,356 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:26,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,357 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:26,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,359 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:26,359 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,360 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:26,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,361 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:26,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:26,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:26,365 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:26,365 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51527105]
[2024-11-11 23:12:26,366 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51527105] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:26,366 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:26,366 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:12:26,366 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563206298]
[2024-11-11 23:12:26,366 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:26,367 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:12:26,367 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:26,368 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:12:26,368 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:12:26,369 INFO  L87              Difference]: Start difference. First operand 2567 states and 3841 transitions. Second operand  has 4 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:26,448 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:26,448 INFO  L93              Difference]: Finished difference Result 4570 states and 6837 transitions.
[2024-11-11 23:12:26,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:26,449 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 602
[2024-11-11 23:12:26,450 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:26,457 INFO  L225             Difference]: With dead ends: 4570
[2024-11-11 23:12:26,457 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:26,460 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:12:26,460 INFO  L435           NwaCegarLoop]: 3837 mSDtfsCounter, 0 mSDsluCounter, 7664 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11501 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:26,461 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11501 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-11 23:12:26,463 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:26,490 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:26,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.495703125) internal successors, (3829), 2560 states have internal predecessors, (3829), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:26,496 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3843 transitions.
[2024-11-11 23:12:26,497 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3843 transitions. Word has length 602
[2024-11-11 23:12:26,498 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:26,498 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3843 transitions.
[2024-11-11 23:12:26,498 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 142.5) internal successors, (570), 4 states have internal predecessors, (570), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:26,498 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3843 transitions.
[2024-11-11 23:12:26,504 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 604
[2024-11-11 23:12:26,504 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:26,504 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:26,505 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-11 23:12:26,505 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:26,505 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:26,505 INFO  L85        PathProgramCache]: Analyzing trace with hash 499416950, now seen corresponding path program 1 times
[2024-11-11 23:12:26,506 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:26,506 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84795067]
[2024-11-11 23:12:26,506 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:26,506 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:26,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,094 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:28,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,098 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:28,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,102 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:28,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,105 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:28,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,107 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:28,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,109 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:28,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,113 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:28,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:28,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:28,117 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:28,118 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84795067]
[2024-11-11 23:12:28,118 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84795067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:28,118 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:28,118 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:12:28,118 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211696313]
[2024-11-11 23:12:28,118 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:28,119 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:12:28,119 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:28,122 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:12:28,122 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:12:28,122 INFO  L87              Difference]: Start difference. First operand 2569 states and 3843 transitions. Second operand  has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:28,530 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:28,531 INFO  L93              Difference]: Finished difference Result 4572 states and 6838 transitions.
[2024-11-11 23:12:28,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:28,531 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 603
[2024-11-11 23:12:28,532 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:28,538 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:28,538 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:28,541 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:28,541 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3330 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:28,541 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7012 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 23:12:28,544 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:28,565 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:28,568 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.4953125) internal successors, (3828), 2560 states have internal predecessors, (3828), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:28,571 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3842 transitions.
[2024-11-11 23:12:28,571 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3842 transitions. Word has length 603
[2024-11-11 23:12:28,572 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:28,572 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3842 transitions.
[2024-11-11 23:12:28,572 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:28,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3842 transitions.
[2024-11-11 23:12:28,575 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 605
[2024-11-11 23:12:28,575 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:28,575 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:28,576 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-11 23:12:28,576 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:28,576 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:28,576 INFO  L85        PathProgramCache]: Analyzing trace with hash -1307331251, now seen corresponding path program 1 times
[2024-11-11 23:12:28,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:28,577 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801159995]
[2024-11-11 23:12:28,577 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:28,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:28,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,512 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:29,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,515 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:29,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,516 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:29,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,519 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:29,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,521 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:29,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,524 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:29,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,525 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:29,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:29,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:29,528 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:29,528 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801159995]
[2024-11-11 23:12:29,528 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801159995] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:29,528 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:29,529 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:29,530 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104421910]
[2024-11-11 23:12:29,530 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:29,531 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:29,531 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:29,531 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:29,532 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:29,532 INFO  L87              Difference]: Start difference. First operand 2569 states and 3842 transitions. Second operand  has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:29,913 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:29,913 INFO  L93              Difference]: Finished difference Result 4728 states and 7068 transitions.
[2024-11-11 23:12:29,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-11 23:12:29,915 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 604
[2024-11-11 23:12:29,916 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:29,922 INFO  L225             Difference]: With dead ends: 4728
[2024-11-11 23:12:29,922 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:29,925 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-11 23:12:29,925 INFO  L435           NwaCegarLoop]: 3812 mSDtfsCounter, 3759 mSDsluCounter, 7325 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 11137 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:29,925 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 11137 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:29,928 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:29,947 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:29,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.494921875) internal successors, (3827), 2560 states have internal predecessors, (3827), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:29,956 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3841 transitions.
[2024-11-11 23:12:29,956 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3841 transitions. Word has length 604
[2024-11-11 23:12:29,958 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:29,958 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3841 transitions.
[2024-11-11 23:12:29,959 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:29,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3841 transitions.
[2024-11-11 23:12:29,962 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 606
[2024-11-11 23:12:29,962 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:29,962 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:29,962 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-11 23:12:29,962 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:29,963 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:29,963 INFO  L85        PathProgramCache]: Analyzing trace with hash -1848849722, now seen corresponding path program 1 times
[2024-11-11 23:12:29,963 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:29,963 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690998717]
[2024-11-11 23:12:29,963 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:29,963 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:30,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,968 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:30,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,970 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:30,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,971 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:30,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,973 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:30,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,974 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:30,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,976 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:30,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,977 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:30,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:30,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:30,980 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:30,980 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690998717]
[2024-11-11 23:12:30,980 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690998717] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:30,980 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:30,980 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:30,981 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527467519]
[2024-11-11 23:12:30,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:30,981 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:30,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:30,982 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:30,982 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:30,983 INFO  L87              Difference]: Start difference. First operand 2569 states and 3841 transitions. Second operand  has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:31,440 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:31,440 INFO  L93              Difference]: Finished difference Result 4572 states and 6834 transitions.
[2024-11-11 23:12:31,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:31,441 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 605
[2024-11-11 23:12:31,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:31,447 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:31,447 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:31,449 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:31,449 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 7237 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7244 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:31,450 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7244 Valid, 7012 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 23:12:31,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:31,474 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:31,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.49453125) internal successors, (3826), 2560 states have internal predecessors, (3826), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:31,479 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3840 transitions.
[2024-11-11 23:12:31,479 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3840 transitions. Word has length 605
[2024-11-11 23:12:31,479 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:31,480 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3840 transitions.
[2024-11-11 23:12:31,480 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 114.6) internal successors, (573), 5 states have internal predecessors, (573), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:31,480 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3840 transitions.
[2024-11-11 23:12:31,483 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 607
[2024-11-11 23:12:31,483 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:31,483 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:31,483 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-11 23:12:31,484 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:31,484 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:31,484 INFO  L85        PathProgramCache]: Analyzing trace with hash -1098411610, now seen corresponding path program 1 times
[2024-11-11 23:12:31,484 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:31,484 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358412564]
[2024-11-11 23:12:31,484 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:31,485 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:31,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,357 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:32,359 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,360 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:32,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,361 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:32,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,363 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:32,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,364 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:32,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,365 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:32,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,366 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:32,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:32,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:32,368 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:32,368 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358412564]
[2024-11-11 23:12:32,368 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358412564] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:32,369 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:32,369 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:32,369 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868585341]
[2024-11-11 23:12:32,369 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:32,369 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:32,369 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:32,370 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:32,370 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:32,370 INFO  L87              Difference]: Start difference. First operand 2569 states and 3840 transitions. Second operand  has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:32,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:32,774 INFO  L93              Difference]: Finished difference Result 4572 states and 6832 transitions.
[2024-11-11 23:12:32,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:32,775 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 606
[2024-11-11 23:12:32,776 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:32,781 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:32,781 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:32,783 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:32,783 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3813 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3820 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:32,784 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3820 Valid, 7023 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 23:12:32,786 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:32,803 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:32,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.494140625) internal successors, (3825), 2560 states have internal predecessors, (3825), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:32,808 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3839 transitions.
[2024-11-11 23:12:32,808 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3839 transitions. Word has length 606
[2024-11-11 23:12:32,809 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:32,809 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3839 transitions.
[2024-11-11 23:12:32,809 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:32,809 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3839 transitions.
[2024-11-11 23:12:32,812 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 608
[2024-11-11 23:12:32,812 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:32,813 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:32,813 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-11 23:12:32,813 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:32,813 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:32,814 INFO  L85        PathProgramCache]: Analyzing trace with hash 1227017791, now seen corresponding path program 1 times
[2024-11-11 23:12:32,814 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:32,814 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45935604]
[2024-11-11 23:12:32,814 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:32,814 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:33,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,745 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:33,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,747 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:33,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,748 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:33,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,750 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:33,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,751 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:33,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,752 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:33,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,753 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:33,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:33,755 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:33,755 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:33,755 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45935604]
[2024-11-11 23:12:33,756 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45935604] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:33,756 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:33,756 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:33,756 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680028167]
[2024-11-11 23:12:33,756 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:33,757 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:33,757 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:33,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:33,758 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:33,758 INFO  L87              Difference]: Start difference. First operand 2569 states and 3839 transitions. Second operand  has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:34,137 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:34,138 INFO  L93              Difference]: Finished difference Result 4572 states and 6830 transitions.
[2024-11-11 23:12:34,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:34,138 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 607
[2024-11-11 23:12:34,139 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:34,147 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:34,147 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:34,149 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:34,150 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3809 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3816 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:34,150 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3816 Valid, 7023 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:34,152 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:34,169 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:34,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.49375) internal successors, (3824), 2560 states have internal predecessors, (3824), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:34,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3838 transitions.
[2024-11-11 23:12:34,175 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3838 transitions. Word has length 607
[2024-11-11 23:12:34,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:34,176 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3838 transitions.
[2024-11-11 23:12:34,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:34,176 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3838 transitions.
[2024-11-11 23:12:34,179 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 609
[2024-11-11 23:12:34,180 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:34,180 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:34,181 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-11 23:12:34,181 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:34,181 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:34,181 INFO  L85        PathProgramCache]: Analyzing trace with hash 533845631, now seen corresponding path program 1 times
[2024-11-11 23:12:34,182 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:34,182 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790659504]
[2024-11-11 23:12:34,182 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:34,182 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:34,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,065 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:35,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,067 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:35,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,069 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:35,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,070 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:35,070 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,071 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:35,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,072 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:35,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,073 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:35,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:35,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:35,075 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:35,075 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790659504]
[2024-11-11 23:12:35,076 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790659504] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:35,076 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:35,076 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:35,076 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181740841]
[2024-11-11 23:12:35,076 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:35,077 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:35,077 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:35,077 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:35,077 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:35,078 INFO  L87              Difference]: Start difference. First operand 2569 states and 3838 transitions. Second operand  has 5 states, 5 states have (on average 115.2) internal successors, (576), 5 states have internal predecessors, (576), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:35,469 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:35,469 INFO  L93              Difference]: Finished difference Result 4572 states and 6828 transitions.
[2024-11-11 23:12:35,470 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:35,470 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 115.2) internal successors, (576), 5 states have internal predecessors, (576), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 608
[2024-11-11 23:12:35,471 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:35,475 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:35,475 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:35,477 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:35,478 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 7213 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7220 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:35,478 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7220 Valid, 7012 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:35,480 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:35,498 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:35,501 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.493359375) internal successors, (3823), 2560 states have internal predecessors, (3823), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:35,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3837 transitions.
[2024-11-11 23:12:35,503 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3837 transitions. Word has length 608
[2024-11-11 23:12:35,504 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:35,504 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3837 transitions.
[2024-11-11 23:12:35,504 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 115.2) internal successors, (576), 5 states have internal predecessors, (576), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:35,505 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3837 transitions.
[2024-11-11 23:12:35,508 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 610
[2024-11-11 23:12:35,508 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:35,508 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:35,508 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-11 23:12:35,508 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:35,509 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:35,509 INFO  L85        PathProgramCache]: Analyzing trace with hash -1624661448, now seen corresponding path program 1 times
[2024-11-11 23:12:35,509 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:35,509 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134002251]
[2024-11-11 23:12:35,509 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:35,509 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:35,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,614 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:36,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,618 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:36,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,619 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:36,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,621 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:36,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,622 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:36,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,623 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:36,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,625 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:36,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:36,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:36,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:36,629 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134002251]
[2024-11-11 23:12:36,629 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134002251] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:36,629 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:36,629 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:36,629 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104030571]
[2024-11-11 23:12:36,629 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:36,630 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:36,630 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:36,631 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:36,631 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:36,631 INFO  L87              Difference]: Start difference. First operand 2569 states and 3837 transitions. Second operand  has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:37,076 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:37,076 INFO  L93              Difference]: Finished difference Result 4572 states and 6826 transitions.
[2024-11-11 23:12:37,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:37,077 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 609
[2024-11-11 23:12:37,078 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:37,081 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:37,082 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:37,084 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:37,084 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 7205 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7212 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:37,084 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7212 Valid, 7012 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 23:12:37,087 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:37,112 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:37,114 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.49296875) internal successors, (3822), 2560 states have internal predecessors, (3822), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:37,120 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3836 transitions.
[2024-11-11 23:12:37,120 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3836 transitions. Word has length 609
[2024-11-11 23:12:37,121 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:37,121 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3836 transitions.
[2024-11-11 23:12:37,122 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:37,122 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3836 transitions.
[2024-11-11 23:12:37,127 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 611
[2024-11-11 23:12:37,127 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:37,127 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:37,127 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-11 23:12:37,128 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:37,128 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:37,128 INFO  L85        PathProgramCache]: Analyzing trace with hash 464896984, now seen corresponding path program 1 times
[2024-11-11 23:12:37,128 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:37,128 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566553642]
[2024-11-11 23:12:37,128 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:37,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:37,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,085 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:38,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,088 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:38,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,089 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:38,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,090 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:38,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,091 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:38,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,093 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:38,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,094 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:38,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:38,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:38,096 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:38,096 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566553642]
[2024-11-11 23:12:38,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566553642] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:38,096 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:38,096 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:38,097 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62053636]
[2024-11-11 23:12:38,097 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:38,097 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:38,097 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:38,098 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:38,098 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:38,098 INFO  L87              Difference]: Start difference. First operand 2569 states and 3836 transitions. Second operand  has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:38,497 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:38,497 INFO  L93              Difference]: Finished difference Result 4572 states and 6824 transitions.
[2024-11-11 23:12:38,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:38,498 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 610
[2024-11-11 23:12:38,498 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:38,501 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:38,501 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:38,503 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:38,503 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3797 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:38,503 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 7023 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 23:12:38,506 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:38,522 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:38,523 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.492578125) internal successors, (3821), 2560 states have internal predecessors, (3821), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:38,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3835 transitions.
[2024-11-11 23:12:38,526 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3835 transitions. Word has length 610
[2024-11-11 23:12:38,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:38,527 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3835 transitions.
[2024-11-11 23:12:38,527 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:38,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3835 transitions.
[2024-11-11 23:12:38,531 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 612
[2024-11-11 23:12:38,531 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:38,531 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:38,532 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-11 23:12:38,532 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:38,532 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:38,532 INFO  L85        PathProgramCache]: Analyzing trace with hash -1006467407, now seen corresponding path program 1 times
[2024-11-11 23:12:38,532 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:38,532 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033656632]
[2024-11-11 23:12:38,532 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:38,533 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:38,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,500 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:39,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,502 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:39,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,503 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:39,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,504 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:39,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,505 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:39,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,506 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:39,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,507 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:39,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:39,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:39,509 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:39,509 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033656632]
[2024-11-11 23:12:39,509 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033656632] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:39,509 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:39,509 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:39,510 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988793600]
[2024-11-11 23:12:39,510 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:39,510 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:39,510 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:39,511 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:39,511 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:39,511 INFO  L87              Difference]: Start difference. First operand 2569 states and 3835 transitions. Second operand  has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:39,871 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:39,871 INFO  L93              Difference]: Finished difference Result 4572 states and 6822 transitions.
[2024-11-11 23:12:39,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:39,872 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 611
[2024-11-11 23:12:39,872 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:39,876 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:39,876 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:39,878 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:39,878 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3793 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3800 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:39,878 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3800 Valid, 7023 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:39,880 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:39,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:39,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.4921875) internal successors, (3820), 2560 states have internal predecessors, (3820), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:39,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3834 transitions.
[2024-11-11 23:12:39,901 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3834 transitions. Word has length 611
[2024-11-11 23:12:39,901 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:39,901 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3834 transitions.
[2024-11-11 23:12:39,901 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 115.8) internal successors, (579), 5 states have internal predecessors, (579), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:39,901 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3834 transitions.
[2024-11-11 23:12:39,904 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 613
[2024-11-11 23:12:39,904 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:39,904 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:39,905 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-11 23:12:39,905 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:39,905 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:39,905 INFO  L85        PathProgramCache]: Analyzing trace with hash 2027329969, now seen corresponding path program 1 times
[2024-11-11 23:12:39,905 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:39,905 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565718700]
[2024-11-11 23:12:39,906 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:39,906 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:40,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,774 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:40,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,777 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:40,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,779 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:40,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,780 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:40,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,781 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:40,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,782 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:40,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,783 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:40,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:40,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:40,785 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:40,785 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565718700]
[2024-11-11 23:12:40,785 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565718700] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:40,785 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:40,785 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:40,785 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258125613]
[2024-11-11 23:12:40,785 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:40,786 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:40,786 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:40,787 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:40,787 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:40,787 INFO  L87              Difference]: Start difference. First operand 2569 states and 3834 transitions. Second operand  has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:41,175 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:41,175 INFO  L93              Difference]: Finished difference Result 4572 states and 6820 transitions.
[2024-11-11 23:12:41,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:41,176 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 612
[2024-11-11 23:12:41,176 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:41,179 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:41,179 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:41,181 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:41,181 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3789 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3796 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:41,181 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3796 Valid, 7023 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:41,183 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:41,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:41,199 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.491796875) internal successors, (3819), 2560 states have internal predecessors, (3819), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:41,201 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3833 transitions.
[2024-11-11 23:12:41,201 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3833 transitions. Word has length 612
[2024-11-11 23:12:41,202 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:41,202 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3833 transitions.
[2024-11-11 23:12:41,202 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:41,202 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3833 transitions.
[2024-11-11 23:12:41,205 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 614
[2024-11-11 23:12:41,205 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:41,205 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:41,205 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-11 23:12:41,205 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:41,206 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:41,206 INFO  L85        PathProgramCache]: Analyzing trace with hash -1255228502, now seen corresponding path program 1 times
[2024-11-11 23:12:41,206 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:41,206 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808862334]
[2024-11-11 23:12:41,206 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:41,206 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:41,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,130 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:42,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,132 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:42,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,133 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:42,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,134 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:42,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,135 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:42,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,136 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:42,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,137 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:42,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:42,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:42,139 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:42,139 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808862334]
[2024-11-11 23:12:42,139 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808862334] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:42,139 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:42,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:42,139 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870223229]
[2024-11-11 23:12:42,139 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:42,140 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:42,140 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:42,140 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:42,140 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:42,141 INFO  L87              Difference]: Start difference. First operand 2569 states and 3833 transitions. Second operand  has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:42,512 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:42,512 INFO  L93              Difference]: Finished difference Result 4572 states and 6818 transitions.
[2024-11-11 23:12:42,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:42,513 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 613
[2024-11-11 23:12:42,514 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:42,517 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:42,517 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:42,518 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:42,519 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 7173 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7180 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:42,520 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7180 Valid, 7012 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:42,521 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:42,537 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:42,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.49140625) internal successors, (3818), 2560 states have internal predecessors, (3818), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:42,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3832 transitions.
[2024-11-11 23:12:42,542 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3832 transitions. Word has length 613
[2024-11-11 23:12:42,542 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:42,542 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3832 transitions.
[2024-11-11 23:12:42,543 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 116.2) internal successors, (581), 5 states have internal predecessors, (581), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:42,543 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3832 transitions.
[2024-11-11 23:12:42,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 615
[2024-11-11 23:12:42,545 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:42,546 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:42,546 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-11 23:12:42,546 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:42,546 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:42,546 INFO  L85        PathProgramCache]: Analyzing trace with hash -1632135158, now seen corresponding path program 1 times
[2024-11-11 23:12:42,546 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:42,547 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315647505]
[2024-11-11 23:12:42,547 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:42,547 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:42,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,434 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:43,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,436 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:43,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,437 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:43,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,438 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:43,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,438 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:43,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,439 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:43,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,440 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:43,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:43,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:43,442 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:43,442 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315647505]
[2024-11-11 23:12:43,442 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315647505] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:43,442 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:43,443 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:43,443 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286946579]
[2024-11-11 23:12:43,443 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:43,443 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:43,443 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:43,447 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:43,447 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:43,447 INFO  L87              Difference]: Start difference. First operand 2569 states and 3832 transitions. Second operand  has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:43,813 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:43,813 INFO  L93              Difference]: Finished difference Result 4572 states and 6816 transitions.
[2024-11-11 23:12:43,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:43,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 614
[2024-11-11 23:12:43,814 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:43,817 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:43,817 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:43,818 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:43,819 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 7165 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7172 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:43,819 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7172 Valid, 7012 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:43,821 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:43,836 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:43,838 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.491015625) internal successors, (3817), 2560 states have internal predecessors, (3817), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:43,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3831 transitions.
[2024-11-11 23:12:43,840 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3831 transitions. Word has length 614
[2024-11-11 23:12:43,840 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:43,840 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3831 transitions.
[2024-11-11 23:12:43,840 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 116.4) internal successors, (582), 5 states have internal predecessors, (582), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:43,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3831 transitions.
[2024-11-11 23:12:43,843 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 616
[2024-11-11 23:12:43,843 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:43,843 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:43,844 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-11 23:12:43,844 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:43,844 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:43,844 INFO  L85        PathProgramCache]: Analyzing trace with hash 1032814883, now seen corresponding path program 1 times
[2024-11-11 23:12:43,844 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:43,844 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861376859]
[2024-11-11 23:12:43,844 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:43,845 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:44,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,715 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:44,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,718 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:44,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,719 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:44,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,720 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:44,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,721 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:44,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,722 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:44,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,723 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:44,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:44,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:44,724 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:44,725 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861376859]
[2024-11-11 23:12:44,725 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861376859] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:44,725 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:44,725 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:44,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014813632]
[2024-11-11 23:12:44,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:44,726 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:44,726 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:44,726 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:44,726 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:44,727 INFO  L87              Difference]: Start difference. First operand 2569 states and 3831 transitions. Second operand  has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:45,165 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:45,165 INFO  L93              Difference]: Finished difference Result 4572 states and 6814 transitions.
[2024-11-11 23:12:45,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:45,166 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 615
[2024-11-11 23:12:45,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:45,169 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:45,169 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:45,171 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:45,172 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3777 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3784 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:45,172 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3784 Valid, 7023 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:45,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:45,189 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:45,191 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.490625) internal successors, (3816), 2560 states have internal predecessors, (3816), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:45,194 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3830 transitions.
[2024-11-11 23:12:45,194 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3830 transitions. Word has length 615
[2024-11-11 23:12:45,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:45,194 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3830 transitions.
[2024-11-11 23:12:45,194 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:45,195 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3830 transitions.
[2024-11-11 23:12:45,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 617
[2024-11-11 23:12:45,197 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:45,197 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:45,198 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-11 23:12:45,198 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:45,198 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:45,198 INFO  L85        PathProgramCache]: Analyzing trace with hash -1245970717, now seen corresponding path program 1 times
[2024-11-11 23:12:45,198 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:45,198 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308561618]
[2024-11-11 23:12:45,199 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:45,199 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:45,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,081 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:46,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,084 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:46,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,085 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:46,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,086 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:46,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,087 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:46,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,088 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:46,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,089 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:46,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:46,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:46,091 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:46,091 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308561618]
[2024-11-11 23:12:46,091 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308561618] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:46,091 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:46,091 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:46,091 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790307769]
[2024-11-11 23:12:46,091 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:46,091 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:46,092 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:46,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:46,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:46,093 INFO  L87              Difference]: Start difference. First operand 2569 states and 3830 transitions. Second operand  has 5 states, 5 states have (on average 116.8) internal successors, (584), 5 states have internal predecessors, (584), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:46,451 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:46,451 INFO  L93              Difference]: Finished difference Result 4572 states and 6812 transitions.
[2024-11-11 23:12:46,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:46,452 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 116.8) internal successors, (584), 5 states have internal predecessors, (584), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 616
[2024-11-11 23:12:46,452 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:46,455 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:46,455 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:46,457 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:46,457 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3773 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:46,458 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 7023 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:46,459 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:46,474 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:46,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.490234375) internal successors, (3815), 2560 states have internal predecessors, (3815), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:46,478 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3829 transitions.
[2024-11-11 23:12:46,478 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3829 transitions. Word has length 616
[2024-11-11 23:12:46,479 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:46,479 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3829 transitions.
[2024-11-11 23:12:46,479 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 116.8) internal successors, (584), 5 states have internal predecessors, (584), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:46,479 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3829 transitions.
[2024-11-11 23:12:46,482 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 618
[2024-11-11 23:12:46,482 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:46,482 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:46,482 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-11 23:12:46,483 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:46,483 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:46,483 INFO  L85        PathProgramCache]: Analyzing trace with hash -177858788, now seen corresponding path program 1 times
[2024-11-11 23:12:46,483 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:46,483 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236603720]
[2024-11-11 23:12:46,483 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:46,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:46,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,361 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:47,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,363 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:47,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,364 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:47,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,365 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:47,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,366 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:47,367 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,367 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:47,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,368 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:47,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:47,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:47,370 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:47,370 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236603720]
[2024-11-11 23:12:47,370 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236603720] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:47,370 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:47,370 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:47,371 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757998125]
[2024-11-11 23:12:47,371 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:47,371 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:47,371 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:47,372 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:47,372 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:47,372 INFO  L87              Difference]: Start difference. First operand 2569 states and 3829 transitions. Second operand  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:47,731 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:47,731 INFO  L93              Difference]: Finished difference Result 4572 states and 6810 transitions.
[2024-11-11 23:12:47,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:47,732 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 617
[2024-11-11 23:12:47,732 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:47,735 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:47,735 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:47,737 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:47,738 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 7141 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7148 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:47,738 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7148 Valid, 7012 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:47,740 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:47,756 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:47,758 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48984375) internal successors, (3814), 2560 states have internal predecessors, (3814), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:47,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3828 transitions.
[2024-11-11 23:12:47,760 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3828 transitions. Word has length 617
[2024-11-11 23:12:47,760 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:47,760 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3828 transitions.
[2024-11-11 23:12:47,761 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.0) internal successors, (585), 5 states have internal predecessors, (585), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:47,761 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3828 transitions.
[2024-11-11 23:12:47,763 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 619
[2024-11-11 23:12:47,763 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:47,764 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:47,764 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-11 23:12:47,764 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:47,764 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:47,764 INFO  L85        PathProgramCache]: Analyzing trace with hash -953741764, now seen corresponding path program 1 times
[2024-11-11 23:12:47,765 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:47,765 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946540214]
[2024-11-11 23:12:47,765 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:47,765 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:48,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,819 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:48,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,821 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:48,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,822 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:48,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,823 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:48,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,824 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:48,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,825 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:48,825 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,826 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:48,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:48,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:48,828 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:48,828 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946540214]
[2024-11-11 23:12:48,828 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946540214] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:48,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:48,828 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:48,828 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791207711]
[2024-11-11 23:12:48,828 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:48,828 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:48,829 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:48,829 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:48,829 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:48,829 INFO  L87              Difference]: Start difference. First operand 2569 states and 3828 transitions. Second operand  has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:49,165 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:49,165 INFO  L93              Difference]: Finished difference Result 4572 states and 6808 transitions.
[2024-11-11 23:12:49,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:49,165 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 618
[2024-11-11 23:12:49,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:49,168 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:49,168 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:49,170 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:49,171 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3765 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3772 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:49,171 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3772 Valid, 7023 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:49,173 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:49,188 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:49,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.489453125) internal successors, (3813), 2560 states have internal predecessors, (3813), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:49,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3827 transitions.
[2024-11-11 23:12:49,192 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3827 transitions. Word has length 618
[2024-11-11 23:12:49,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:49,193 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3827 transitions.
[2024-11-11 23:12:49,193 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.2) internal successors, (586), 5 states have internal predecessors, (586), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:49,193 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3827 transitions.
[2024-11-11 23:12:49,195 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 620
[2024-11-11 23:12:49,196 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:49,196 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:49,196 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-11 23:12:49,196 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:49,196 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:49,196 INFO  L85        PathProgramCache]: Analyzing trace with hash 1112784277, now seen corresponding path program 1 times
[2024-11-11 23:12:49,197 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:49,197 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798167348]
[2024-11-11 23:12:49,197 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:49,197 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:49,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,083 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:50,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,085 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:50,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,086 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:50,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,087 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:50,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,087 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:50,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,088 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:50,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,089 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:50,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:50,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:50,091 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:50,091 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798167348]
[2024-11-11 23:12:50,091 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798167348] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:50,091 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:50,091 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:50,091 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853650002]
[2024-11-11 23:12:50,091 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:50,092 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:50,092 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:50,092 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:50,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:50,093 INFO  L87              Difference]: Start difference. First operand 2569 states and 3827 transitions. Second operand  has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:50,497 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:50,498 INFO  L93              Difference]: Finished difference Result 4572 states and 6806 transitions.
[2024-11-11 23:12:50,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:50,500 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 619
[2024-11-11 23:12:50,500 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:50,502 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:50,502 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:50,504 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:50,505 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 7125 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7132 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:50,505 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7132 Valid, 7012 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 23:12:50,507 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:50,524 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:50,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.4890625) internal successors, (3812), 2560 states have internal predecessors, (3812), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:50,528 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3826 transitions.
[2024-11-11 23:12:50,528 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3826 transitions. Word has length 619
[2024-11-11 23:12:50,529 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:50,529 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3826 transitions.
[2024-11-11 23:12:50,529 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.4) internal successors, (587), 5 states have internal predecessors, (587), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:50,529 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3826 transitions.
[2024-11-11 23:12:50,532 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 621
[2024-11-11 23:12:50,532 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:50,532 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:50,532 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-11 23:12:50,532 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:50,533 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:50,533 INFO  L85        PathProgramCache]: Analyzing trace with hash -585365995, now seen corresponding path program 1 times
[2024-11-11 23:12:50,533 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:50,533 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565980010]
[2024-11-11 23:12:50,533 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:50,533 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:50,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,509 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:51,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,511 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:51,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,512 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:51,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,513 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:51,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,513 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:51,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,514 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:51,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,515 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:51,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:51,517 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:51,517 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:51,517 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565980010]
[2024-11-11 23:12:51,517 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565980010] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:51,517 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:51,517 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:51,517 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128547549]
[2024-11-11 23:12:51,517 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:51,518 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:51,518 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:51,518 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:51,518 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:51,519 INFO  L87              Difference]: Start difference. First operand 2569 states and 3826 transitions. Second operand  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:51,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:51,869 INFO  L93              Difference]: Finished difference Result 4572 states and 6804 transitions.
[2024-11-11 23:12:51,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:51,869 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 620
[2024-11-11 23:12:51,870 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:51,872 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:51,872 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:51,874 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:51,874 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 6991 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6998 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:51,874 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6998 Valid, 7012 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:51,876 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:51,890 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:51,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.488671875) internal successors, (3811), 2560 states have internal predecessors, (3811), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:51,894 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3825 transitions.
[2024-11-11 23:12:51,895 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3825 transitions. Word has length 620
[2024-11-11 23:12:51,895 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:51,895 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3825 transitions.
[2024-11-11 23:12:51,895 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.6) internal successors, (588), 5 states have internal predecessors, (588), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:51,896 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3825 transitions.
[2024-11-11 23:12:51,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 622
[2024-11-11 23:12:51,898 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:51,898 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:51,899 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-11 23:12:51,899 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:51,899 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:51,899 INFO  L85        PathProgramCache]: Analyzing trace with hash -1093897049, now seen corresponding path program 1 times
[2024-11-11 23:12:51,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:51,899 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209546396]
[2024-11-11 23:12:51,900 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:51,900 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:52,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,828 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:52,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,830 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:52,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,831 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:52,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,832 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:52,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,833 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:52,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,834 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:52,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,835 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:52,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:52,836 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:52,836 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:52,836 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209546396]
[2024-11-11 23:12:52,837 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209546396] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:52,837 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:52,837 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:52,837 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66038143]
[2024-11-11 23:12:52,837 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:52,837 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:52,837 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:52,838 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:52,838 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:52,838 INFO  L87              Difference]: Start difference. First operand 2569 states and 3825 transitions. Second operand  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:53,184 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:53,184 INFO  L93              Difference]: Finished difference Result 4572 states and 6802 transitions.
[2024-11-11 23:12:53,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:53,185 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 621
[2024-11-11 23:12:53,185 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:53,187 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:53,187 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:53,189 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:53,189 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 6977 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6984 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:53,190 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6984 Valid, 7012 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:53,191 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:53,205 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:53,206 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48828125) internal successors, (3810), 2560 states have internal predecessors, (3810), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:53,208 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3824 transitions.
[2024-11-11 23:12:53,208 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3824 transitions. Word has length 621
[2024-11-11 23:12:53,209 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:53,209 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3824 transitions.
[2024-11-11 23:12:53,209 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 117.8) internal successors, (589), 5 states have internal predecessors, (589), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:53,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3824 transitions.
[2024-11-11 23:12:53,211 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 623
[2024-11-11 23:12:53,211 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:53,212 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:53,212 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-11 23:12:53,212 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:53,212 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:53,212 INFO  L85        PathProgramCache]: Analyzing trace with hash -1114375755, now seen corresponding path program 1 times
[2024-11-11 23:12:53,212 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:53,212 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190007802]
[2024-11-11 23:12:53,212 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:53,212 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:53,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,194 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:54,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,196 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:54,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,197 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:54,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,198 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:54,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,199 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:54,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,200 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:54,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,201 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:54,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:54,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:54,202 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:54,202 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190007802]
[2024-11-11 23:12:54,202 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190007802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:54,202 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:54,203 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:54,203 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714210153]
[2024-11-11 23:12:54,203 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:54,203 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:54,203 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:54,204 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:54,204 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:54,204 INFO  L87              Difference]: Start difference. First operand 2569 states and 3824 transitions. Second operand  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:54,552 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:54,552 INFO  L93              Difference]: Finished difference Result 4572 states and 6800 transitions.
[2024-11-11 23:12:54,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:54,553 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 622
[2024-11-11 23:12:54,553 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:54,555 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:54,555 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:54,557 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:54,557 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3683 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:54,557 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3690 Valid, 7023 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:54,559 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:54,575 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:54,577 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.487890625) internal successors, (3809), 2560 states have internal predecessors, (3809), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:54,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3823 transitions.
[2024-11-11 23:12:54,579 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3823 transitions. Word has length 622
[2024-11-11 23:12:54,579 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:54,580 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3823 transitions.
[2024-11-11 23:12:54,580 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:54,580 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3823 transitions.
[2024-11-11 23:12:54,582 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 624
[2024-11-11 23:12:54,582 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:54,583 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:54,583 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-11 23:12:54,583 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:54,583 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:54,583 INFO  L85        PathProgramCache]: Analyzing trace with hash 559363104, now seen corresponding path program 1 times
[2024-11-11 23:12:54,583 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:54,583 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469533321]
[2024-11-11 23:12:54,584 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:54,584 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:54,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,501 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:55,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,503 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:55,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,504 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:55,504 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,505 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:55,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,506 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:55,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,507 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:55,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,508 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:55,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:55,509 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:55,509 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:55,509 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469533321]
[2024-11-11 23:12:55,509 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469533321] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:55,509 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:55,509 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:55,509 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727722107]
[2024-11-11 23:12:55,510 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:55,510 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:55,510 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:55,511 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:55,511 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:55,511 INFO  L87              Difference]: Start difference. First operand 2569 states and 3823 transitions. Second operand  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:55,855 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:55,856 INFO  L93              Difference]: Finished difference Result 4572 states and 6798 transitions.
[2024-11-11 23:12:55,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:55,856 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 623
[2024-11-11 23:12:55,856 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:55,858 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:55,858 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:55,860 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:55,860 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3679 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3686 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:55,861 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3686 Valid, 7023 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:55,862 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:55,874 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:55,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.4875) internal successors, (3808), 2560 states have internal predecessors, (3808), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:55,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3822 transitions.
[2024-11-11 23:12:55,877 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3822 transitions. Word has length 623
[2024-11-11 23:12:55,877 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:55,878 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3822 transitions.
[2024-11-11 23:12:55,878 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:55,878 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3822 transitions.
[2024-11-11 23:12:55,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 625
[2024-11-11 23:12:55,880 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:55,880 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:55,880 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-11 23:12:55,881 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:55,881 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:55,881 INFO  L85        PathProgramCache]: Analyzing trace with hash 1354989326, now seen corresponding path program 1 times
[2024-11-11 23:12:55,881 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:55,881 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644990510]
[2024-11-11 23:12:55,881 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:55,881 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:56,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,899 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:56,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,901 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:56,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,902 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:56,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,903 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:56,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,904 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:56,904 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,905 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:56,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,906 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:56,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:56,907 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:56,908 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:56,908 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644990510]
[2024-11-11 23:12:56,908 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644990510] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:56,908 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:56,908 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:56,908 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5896203]
[2024-11-11 23:12:56,908 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:56,909 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:56,909 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:56,909 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:56,909 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:56,910 INFO  L87              Difference]: Start difference. First operand 2569 states and 3822 transitions. Second operand  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:57,327 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:57,328 INFO  L93              Difference]: Finished difference Result 4572 states and 6796 transitions.
[2024-11-11 23:12:57,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:57,328 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 624
[2024-11-11 23:12:57,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:57,331 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:57,331 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:57,332 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:57,333 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3675 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:57,333 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3682 Valid, 7023 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-11 23:12:57,335 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:57,347 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:57,348 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.487109375) internal successors, (3807), 2560 states have internal predecessors, (3807), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:57,350 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3821 transitions.
[2024-11-11 23:12:57,351 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3821 transitions. Word has length 624
[2024-11-11 23:12:57,351 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:57,351 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3821 transitions.
[2024-11-11 23:12:57,351 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 states have internal predecessors, (592), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:57,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3821 transitions.
[2024-11-11 23:12:57,354 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 626
[2024-11-11 23:12:57,354 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:57,354 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:57,354 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-11-11 23:12:57,355 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:57,355 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:57,355 INFO  L85        PathProgramCache]: Analyzing trace with hash -1743227879, now seen corresponding path program 1 times
[2024-11-11 23:12:57,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:57,355 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223528611]
[2024-11-11 23:12:57,355 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:57,355 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:57,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,310 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:58,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,312 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:58,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,313 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:58,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,314 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:58,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,316 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:58,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,317 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:58,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,318 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:58,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:58,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:58,320 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:58,320 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223528611]
[2024-11-11 23:12:58,320 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223528611] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:58,321 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:58,321 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:58,321 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954850019]
[2024-11-11 23:12:58,321 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:58,321 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:58,321 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:58,322 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:58,322 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:58,322 INFO  L87              Difference]: Start difference. First operand 2569 states and 3821 transitions. Second operand  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:58,671 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:58,671 INFO  L93              Difference]: Finished difference Result 4572 states and 6794 transitions.
[2024-11-11 23:12:58,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:58,671 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 625
[2024-11-11 23:12:58,672 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:58,674 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:58,674 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:58,676 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:58,676 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3671 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:58,676 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 7023 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:58,678 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:58,690 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:12:58,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48671875) internal successors, (3806), 2560 states have internal predecessors, (3806), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:12:58,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3820 transitions.
[2024-11-11 23:12:58,693 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3820 transitions. Word has length 625
[2024-11-11 23:12:58,693 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:12:58,693 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3820 transitions.
[2024-11-11 23:12:58,694 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.6) internal successors, (593), 5 states have internal predecessors, (593), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:58,694 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3820 transitions.
[2024-11-11 23:12:58,696 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 627
[2024-11-11 23:12:58,696 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:12:58,696 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:12:58,696 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-11-11 23:12:58,697 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:12:58,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:12:58,697 INFO  L85        PathProgramCache]: Analyzing trace with hash -1821426457, now seen corresponding path program 1 times
[2024-11-11 23:12:58,697 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:12:58,697 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842627840]
[2024-11-11 23:12:58,697 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:12:58,697 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:12:59,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,627 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:12:59,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,629 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:12:59,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,630 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:12:59,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,631 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:12:59,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,632 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:12:59,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,633 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:12:59,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,634 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:12:59,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:12:59,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:12:59,636 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:12:59,636 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842627840]
[2024-11-11 23:12:59,636 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842627840] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:12:59,636 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:12:59,636 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:12:59,636 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626361461]
[2024-11-11 23:12:59,636 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:12:59,636 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:12:59,636 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:12:59,637 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:12:59,637 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:12:59,637 INFO  L87              Difference]: Start difference. First operand 2569 states and 3820 transitions. Second operand  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:12:59,979 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:12:59,980 INFO  L93              Difference]: Finished difference Result 4572 states and 6792 transitions.
[2024-11-11 23:12:59,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:12:59,980 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 626
[2024-11-11 23:12:59,981 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:12:59,983 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:12:59,983 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:12:59,984 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:12:59,985 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 6937 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6944 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:12:59,985 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6944 Valid, 7012 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:12:59,986 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:12:59,999 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:00,000 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.486328125) internal successors, (3805), 2560 states have internal predecessors, (3805), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:00,003 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3819 transitions.
[2024-11-11 23:13:00,003 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3819 transitions. Word has length 626
[2024-11-11 23:13:00,003 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:00,003 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3819 transitions.
[2024-11-11 23:13:00,003 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:00,004 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3819 transitions.
[2024-11-11 23:13:00,006 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 628
[2024-11-11 23:13:00,006 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:00,006 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:00,006 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-11 23:13:00,007 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:00,007 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:00,007 INFO  L85        PathProgramCache]: Analyzing trace with hash -2040695662, now seen corresponding path program 1 times
[2024-11-11 23:13:00,007 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:00,007 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801365577]
[2024-11-11 23:13:00,007 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:00,007 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:00,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,007 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:01,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,009 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:01,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,010 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:01,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,011 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:01,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,012 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:01,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,013 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:01,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,014 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:01,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:01,016 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:01,016 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:01,016 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801365577]
[2024-11-11 23:13:01,016 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801365577] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:01,017 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:01,017 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:01,017 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408283966]
[2024-11-11 23:13:01,017 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:01,017 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:01,018 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:01,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:01,018 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:01,018 INFO  L87              Difference]: Start difference. First operand 2569 states and 3819 transitions. Second operand  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:01,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:01,374 INFO  L93              Difference]: Finished difference Result 4572 states and 6790 transitions.
[2024-11-11 23:13:01,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:01,375 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 627
[2024-11-11 23:13:01,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:01,377 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:01,377 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:01,379 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:01,380 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3663 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:01,380 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3670 Valid, 7023 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:01,382 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:01,394 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:01,395 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.4859375) internal successors, (3804), 2560 states have internal predecessors, (3804), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:01,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3818 transitions.
[2024-11-11 23:13:01,397 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3818 transitions. Word has length 627
[2024-11-11 23:13:01,397 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:01,397 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3818 transitions.
[2024-11-11 23:13:01,398 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:01,398 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3818 transitions.
[2024-11-11 23:13:01,400 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 629
[2024-11-11 23:13:01,400 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:01,400 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:01,401 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-11-11 23:13:01,401 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:01,401 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:01,401 INFO  L85        PathProgramCache]: Analyzing trace with hash -1313967296, now seen corresponding path program 1 times
[2024-11-11 23:13:01,401 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:01,401 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569439134]
[2024-11-11 23:13:01,401 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:01,401 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:01,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,340 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:02,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,342 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:02,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,343 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:02,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,344 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:02,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,344 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:02,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,345 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:02,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,346 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:02,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:02,348 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:02,348 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:02,348 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569439134]
[2024-11-11 23:13:02,348 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569439134] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:02,348 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:02,349 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:02,349 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525854311]
[2024-11-11 23:13:02,349 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:02,349 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:02,349 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:02,350 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:02,350 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:02,350 INFO  L87              Difference]: Start difference. First operand 2569 states and 3818 transitions. Second operand  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:02,690 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:02,691 INFO  L93              Difference]: Finished difference Result 4572 states and 6788 transitions.
[2024-11-11 23:13:02,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:02,691 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 628
[2024-11-11 23:13:02,692 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:02,693 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:02,694 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:02,695 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:02,695 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3659 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3666 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:02,696 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3666 Valid, 7023 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:02,697 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:02,709 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:02,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.485546875) internal successors, (3803), 2560 states have internal predecessors, (3803), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:02,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3817 transitions.
[2024-11-11 23:13:02,713 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3817 transitions. Word has length 628
[2024-11-11 23:13:02,713 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:02,713 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3817 transitions.
[2024-11-11 23:13:02,713 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.2) internal successors, (596), 5 states have internal predecessors, (596), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:02,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3817 transitions.
[2024-11-11 23:13:02,716 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 630
[2024-11-11 23:13:02,716 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:02,716 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:02,716 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-11-11 23:13:02,716 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:02,716 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:02,716 INFO  L85        PathProgramCache]: Analyzing trace with hash -1378650741, now seen corresponding path program 1 times
[2024-11-11 23:13:02,716 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:02,717 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244660689]
[2024-11-11 23:13:02,717 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:02,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:03,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,671 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:03,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,672 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:03,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,673 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:03,673 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,674 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:03,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,675 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:03,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,676 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:03,676 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,677 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:03,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:03,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:03,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:03,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244660689]
[2024-11-11 23:13:03,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244660689] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:03,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:03,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:03,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605492351]
[2024-11-11 23:13:03,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:03,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:03,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:03,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:03,680 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:03,680 INFO  L87              Difference]: Start difference. First operand 2569 states and 3817 transitions. Second operand  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:04,020 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:04,020 INFO  L93              Difference]: Finished difference Result 4572 states and 6786 transitions.
[2024-11-11 23:13:04,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:04,021 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 629
[2024-11-11 23:13:04,021 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:04,023 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:04,023 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:04,025 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:04,025 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3655 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:04,025 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3662 Valid, 7023 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:04,027 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:04,038 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:04,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48515625) internal successors, (3802), 2560 states have internal predecessors, (3802), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:04,042 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3816 transitions.
[2024-11-11 23:13:04,042 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3816 transitions. Word has length 629
[2024-11-11 23:13:04,042 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:04,042 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3816 transitions.
[2024-11-11 23:13:04,042 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:04,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3816 transitions.
[2024-11-11 23:13:04,045 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 631
[2024-11-11 23:13:04,045 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:04,045 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:04,045 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-11-11 23:13:04,045 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:04,046 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:04,046 INFO  L85        PathProgramCache]: Analyzing trace with hash -1753718247, now seen corresponding path program 1 times
[2024-11-11 23:13:04,046 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:04,046 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153631195]
[2024-11-11 23:13:04,046 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:04,046 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:04,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:04,996 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:04,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:04,999 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:04,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:05,000 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:05,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:05,000 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:05,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:05,001 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:05,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:05,002 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:05,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:05,003 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:05,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:05,005 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:05,005 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:05,005 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153631195]
[2024-11-11 23:13:05,005 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153631195] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:05,005 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:05,005 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:05,005 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245384679]
[2024-11-11 23:13:05,005 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:05,006 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:05,006 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:05,007 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:05,007 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:05,007 INFO  L87              Difference]: Start difference. First operand 2569 states and 3816 transitions. Second operand  has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:05,373 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:05,374 INFO  L93              Difference]: Finished difference Result 4572 states and 6784 transitions.
[2024-11-11 23:13:05,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:05,374 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 630
[2024-11-11 23:13:05,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:05,377 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:05,377 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:05,378 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:05,379 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3651 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3658 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:05,379 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3658 Valid, 7023 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:05,381 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:05,395 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:05,396 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.484765625) internal successors, (3801), 2560 states have internal predecessors, (3801), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:05,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3815 transitions.
[2024-11-11 23:13:05,398 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3815 transitions. Word has length 630
[2024-11-11 23:13:05,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:05,399 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3815 transitions.
[2024-11-11 23:13:05,399 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.6) internal successors, (598), 5 states have internal predecessors, (598), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:05,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3815 transitions.
[2024-11-11 23:13:05,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 632
[2024-11-11 23:13:05,404 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:05,404 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:05,404 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-11-11 23:13:05,404 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:05,405 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:05,406 INFO  L85        PathProgramCache]: Analyzing trace with hash -293095676, now seen corresponding path program 1 times
[2024-11-11 23:13:05,406 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:05,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254235880]
[2024-11-11 23:13:05,406 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:05,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:05,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,444 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:06,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,446 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:06,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,446 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:06,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,447 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:06,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,448 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:06,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,449 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:06,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,450 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:06,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:06,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:06,452 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:06,452 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254235880]
[2024-11-11 23:13:06,452 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254235880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:06,452 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:06,452 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:06,453 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233605881]
[2024-11-11 23:13:06,453 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:06,453 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:06,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:06,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:06,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:06,454 INFO  L87              Difference]: Start difference. First operand 2569 states and 3815 transitions. Second operand  has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:06,795 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:06,795 INFO  L93              Difference]: Finished difference Result 4572 states and 6782 transitions.
[2024-11-11 23:13:06,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:06,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 631
[2024-11-11 23:13:06,796 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:06,798 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:06,798 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:06,800 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:06,800 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 6897 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6904 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:06,800 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6904 Valid, 7012 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:06,802 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:06,814 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:06,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.484375) internal successors, (3800), 2560 states have internal predecessors, (3800), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:06,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3814 transitions.
[2024-11-11 23:13:06,817 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3814 transitions. Word has length 631
[2024-11-11 23:13:06,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:06,818 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3814 transitions.
[2024-11-11 23:13:06,818 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.8) internal successors, (599), 5 states have internal predecessors, (599), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:06,818 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3814 transitions.
[2024-11-11 23:13:06,820 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 633
[2024-11-11 23:13:06,820 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:06,821 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:06,821 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-11-11 23:13:06,821 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:06,821 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:06,821 INFO  L85        PathProgramCache]: Analyzing trace with hash 1352943986, now seen corresponding path program 1 times
[2024-11-11 23:13:06,821 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:06,821 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597895584]
[2024-11-11 23:13:06,821 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:06,821 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:07,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,793 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:07,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,795 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:07,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,796 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:07,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,797 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:07,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,798 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:07,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,799 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:07,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,799 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:07,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:07,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:07,801 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:07,801 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597895584]
[2024-11-11 23:13:07,802 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597895584] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:07,802 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:07,802 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:07,802 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064805809]
[2024-11-11 23:13:07,802 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:07,802 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:07,802 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:07,803 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:07,803 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:07,803 INFO  L87              Difference]: Start difference. First operand 2569 states and 3814 transitions. Second operand  has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:08,137 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:08,137 INFO  L93              Difference]: Finished difference Result 4572 states and 6780 transitions.
[2024-11-11 23:13:08,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:08,138 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 632
[2024-11-11 23:13:08,138 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:08,140 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:08,140 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:08,142 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:08,142 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 6889 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6896 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:08,142 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6896 Valid, 7012 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:08,144 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:08,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:08,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.483984375) internal successors, (3799), 2560 states have internal predecessors, (3799), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:08,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3813 transitions.
[2024-11-11 23:13:08,159 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3813 transitions. Word has length 632
[2024-11-11 23:13:08,160 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:08,160 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3813 transitions.
[2024-11-11 23:13:08,160 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:08,160 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3813 transitions.
[2024-11-11 23:13:08,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 634
[2024-11-11 23:13:08,163 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:08,163 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:08,163 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-11-11 23:13:08,163 INFO  L396      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:08,163 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:08,163 INFO  L85        PathProgramCache]: Analyzing trace with hash 115833085, now seen corresponding path program 1 times
[2024-11-11 23:13:08,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:08,163 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928143560]
[2024-11-11 23:13:08,164 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:08,164 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:08,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,284 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:09,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,285 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:09,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,286 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:09,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,287 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:09,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,288 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:09,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,289 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:09,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,290 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:09,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:09,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:09,292 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:09,292 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928143560]
[2024-11-11 23:13:09,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928143560] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:09,292 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:09,292 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:09,292 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369664202]
[2024-11-11 23:13:09,293 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:09,293 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:09,293 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:09,294 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:09,294 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:09,294 INFO  L87              Difference]: Start difference. First operand 2569 states and 3813 transitions. Second operand  has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:09,619 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:09,619 INFO  L93              Difference]: Finished difference Result 4572 states and 6778 transitions.
[2024-11-11 23:13:09,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:09,620 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 633
[2024-11-11 23:13:09,620 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:09,623 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:09,623 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:09,624 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:09,624 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 6881 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6888 SdHoareTripleChecker+Valid, 7012 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:09,624 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6888 Valid, 7012 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:09,626 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:09,638 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:09,640 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48359375) internal successors, (3798), 2560 states have internal predecessors, (3798), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:09,642 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3812 transitions.
[2024-11-11 23:13:09,642 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3812 transitions. Word has length 633
[2024-11-11 23:13:09,643 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:09,643 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3812 transitions.
[2024-11-11 23:13:09,643 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:09,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3812 transitions.
[2024-11-11 23:13:09,647 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 635
[2024-11-11 23:13:09,648 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:09,648 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:09,648 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-11-11 23:13:09,648 INFO  L396      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:09,649 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:09,649 INFO  L85        PathProgramCache]: Analyzing trace with hash 1760127307, now seen corresponding path program 1 times
[2024-11-11 23:13:09,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:09,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159952400]
[2024-11-11 23:13:09,649 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:09,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:10,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,634 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:10,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,637 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:10,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,637 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:10,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,639 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:10,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,639 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:10,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,645 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:10,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,646 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:10,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:10,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:10,647 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:10,648 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159952400]
[2024-11-11 23:13:10,648 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159952400] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:10,648 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:10,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:10,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133872007]
[2024-11-11 23:13:10,648 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:10,648 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:10,648 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:10,649 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:10,649 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:10,649 INFO  L87              Difference]: Start difference. First operand 2569 states and 3812 transitions. Second operand  has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:11,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:11,002 INFO  L93              Difference]: Finished difference Result 4572 states and 6776 transitions.
[2024-11-11 23:13:11,003 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:11,003 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 634
[2024-11-11 23:13:11,003 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:11,005 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:11,005 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:11,007 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:11,007 INFO  L435           NwaCegarLoop]: 3505 mSDtfsCounter, 3635 mSDsluCounter, 3518 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3642 SdHoareTripleChecker+Valid, 7023 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:11,007 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3642 Valid, 7023 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-11 23:13:11,009 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:11,028 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:11,030 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.483203125) internal successors, (3797), 2560 states have internal predecessors, (3797), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:11,032 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3811 transitions.
[2024-11-11 23:13:11,032 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3811 transitions. Word has length 634
[2024-11-11 23:13:11,032 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:11,032 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3811 transitions.
[2024-11-11 23:13:11,032 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:11,033 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3811 transitions.
[2024-11-11 23:13:11,035 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 636
[2024-11-11 23:13:11,035 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:11,035 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:11,035 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-11-11 23:13:11,035 INFO  L396      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:11,036 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:11,036 INFO  L85        PathProgramCache]: Analyzing trace with hash 1405090678, now seen corresponding path program 1 times
[2024-11-11 23:13:11,036 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:11,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624732492]
[2024-11-11 23:13:11,036 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:11,036 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:11,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,341 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:12,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,343 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:12,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,344 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:12,344 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,345 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:12,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,347 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:12,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,348 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:12,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,349 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:12,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:12,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:12,352 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:12,352 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624732492]
[2024-11-11 23:13:12,352 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624732492] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:12,352 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:12,352 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-11 23:13:12,352 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607205034]
[2024-11-11 23:13:12,352 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:12,353 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-11 23:13:12,353 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:12,353 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-11 23:13:12,353 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-11 23:13:12,354 INFO  L87              Difference]: Start difference. First operand 2569 states and 3811 transitions. Second operand  has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:12,564 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:12,564 INFO  L93              Difference]: Finished difference Result 4572 states and 6774 transitions.
[2024-11-11 23:13:12,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:12,565 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 635
[2024-11-11 23:13:12,565 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:12,567 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:12,567 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:12,569 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:12,569 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 3290 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:12,569 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 7268 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:12,571 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:12,584 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:12,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.4828125) internal successors, (3796), 2560 states have internal predecessors, (3796), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:12,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3810 transitions.
[2024-11-11 23:13:12,587 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3810 transitions. Word has length 635
[2024-11-11 23:13:12,588 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:12,588 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3810 transitions.
[2024-11-11 23:13:12,588 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:12,588 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3810 transitions.
[2024-11-11 23:13:12,590 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 637
[2024-11-11 23:13:12,591 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:12,591 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:12,591 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-11-11 23:13:12,591 INFO  L396      AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:12,591 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:12,591 INFO  L85        PathProgramCache]: Analyzing trace with hash 628653689, now seen corresponding path program 1 times
[2024-11-11 23:13:12,591 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:12,591 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869988832]
[2024-11-11 23:13:12,591 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:12,592 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:12,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,541 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:13,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,544 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:13,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,545 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:13,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,546 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:13,546 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,547 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:13,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,547 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:13,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,548 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:13,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:13,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:13,550 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:13,550 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869988832]
[2024-11-11 23:13:13,550 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869988832] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:13,550 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:13,550 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:13,550 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26562284]
[2024-11-11 23:13:13,550 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:13,551 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:13,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:13,551 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:13,552 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:13,552 INFO  L87              Difference]: Start difference. First operand 2569 states and 3810 transitions. Second operand  has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:13,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:13,751 INFO  L93              Difference]: Finished difference Result 4752 states and 7024 transitions.
[2024-11-11 23:13:13,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-11 23:13:13,751 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 636
[2024-11-11 23:13:13,752 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:13,754 INFO  L225             Difference]: With dead ends: 4752
[2024-11-11 23:13:13,754 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:13,756 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-11 23:13:13,756 INFO  L435           NwaCegarLoop]: 3784 mSDtfsCounter, 3767 mSDsluCounter, 7425 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3767 SdHoareTripleChecker+Valid, 11209 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:13,756 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3767 Valid, 11209 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:13,760 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:13,773 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:13,774 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.482421875) internal successors, (3795), 2560 states have internal predecessors, (3795), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:13,776 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3809 transitions.
[2024-11-11 23:13:13,776 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3809 transitions. Word has length 636
[2024-11-11 23:13:13,777 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:13,777 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3809 transitions.
[2024-11-11 23:13:13,777 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 120.8) internal successors, (604), 5 states have internal predecessors, (604), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:13,777 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3809 transitions.
[2024-11-11 23:13:13,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 638
[2024-11-11 23:13:13,779 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:13,780 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:13,780 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-11-11 23:13:13,780 INFO  L396      AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:13,780 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:13,780 INFO  L85        PathProgramCache]: Analyzing trace with hash 1442633514, now seen corresponding path program 1 times
[2024-11-11 23:13:13,780 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:13,781 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531274916]
[2024-11-11 23:13:13,781 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:13,781 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:14,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,761 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:14,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,763 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:14,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,763 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:14,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,764 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:14,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,765 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:14,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,766 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:14,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,767 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:14,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:14,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:14,768 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:14,768 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531274916]
[2024-11-11 23:13:14,768 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531274916] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:14,768 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:14,768 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:14,769 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982091825]
[2024-11-11 23:13:14,769 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:14,769 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:14,769 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:14,770 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:14,770 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:14,770 INFO  L87              Difference]: Start difference. First operand 2569 states and 3809 transitions. Second operand  has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:14,983 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:14,984 INFO  L93              Difference]: Finished difference Result 4572 states and 6770 transitions.
[2024-11-11 23:13:14,984 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:14,984 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 637
[2024-11-11 23:13:14,984 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:14,987 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:14,987 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:14,988 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:14,989 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 3785 mSDsluCounter, 3646 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3792 SdHoareTripleChecker+Valid, 7279 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:14,989 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3792 Valid, 7279 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:14,991 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:15,005 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:15,007 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48203125) internal successors, (3794), 2560 states have internal predecessors, (3794), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:15,009 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3808 transitions.
[2024-11-11 23:13:15,010 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3808 transitions. Word has length 637
[2024-11-11 23:13:15,010 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:15,010 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3808 transitions.
[2024-11-11 23:13:15,010 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.0) internal successors, (605), 5 states have internal predecessors, (605), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:15,011 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3808 transitions.
[2024-11-11 23:13:15,013 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 639
[2024-11-11 23:13:15,013 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:15,014 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:15,014 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-11-11 23:13:15,014 INFO  L396      AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:15,014 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:15,014 INFO  L85        PathProgramCache]: Analyzing trace with hash 453643218, now seen corresponding path program 1 times
[2024-11-11 23:13:15,014 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:15,015 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853187206]
[2024-11-11 23:13:15,015 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:15,015 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:15,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,928 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:15,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,930 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:15,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,931 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:15,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,931 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:15,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,932 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:15,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,933 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:15,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,934 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:15,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:15,936 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:15,936 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:15,936 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853187206]
[2024-11-11 23:13:15,936 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853187206] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:15,936 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:15,936 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:15,936 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143787106]
[2024-11-11 23:13:15,936 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:15,936 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:15,937 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:15,937 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:15,937 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:15,937 INFO  L87              Difference]: Start difference. First operand 2569 states and 3808 transitions. Second operand  has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:16,154 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:16,155 INFO  L93              Difference]: Finished difference Result 4572 states and 6768 transitions.
[2024-11-11 23:13:16,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:16,155 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 638
[2024-11-11 23:13:16,156 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:16,158 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:16,158 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:16,159 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:16,160 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 7181 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7188 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:16,160 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7188 Valid, 7268 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:16,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:16,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:16,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.481640625) internal successors, (3793), 2560 states have internal predecessors, (3793), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:16,176 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3807 transitions.
[2024-11-11 23:13:16,177 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3807 transitions. Word has length 638
[2024-11-11 23:13:16,177 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:16,177 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3807 transitions.
[2024-11-11 23:13:16,177 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:16,177 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3807 transitions.
[2024-11-11 23:13:16,180 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 640
[2024-11-11 23:13:16,180 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:16,180 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:16,180 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-11-11 23:13:16,180 INFO  L396      AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:16,180 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:16,180 INFO  L85        PathProgramCache]: Analyzing trace with hash 136338851, now seen corresponding path program 1 times
[2024-11-11 23:13:16,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:16,180 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988598278]
[2024-11-11 23:13:16,181 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:16,181 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:16,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,156 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:17,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,158 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:17,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,159 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:17,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,160 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:17,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,160 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:17,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,161 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:17,162 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,162 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:17,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:17,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:17,164 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:17,164 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988598278]
[2024-11-11 23:13:17,164 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988598278] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:17,164 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:17,164 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:17,165 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236771656]
[2024-11-11 23:13:17,165 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:17,165 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:17,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:17,166 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:17,166 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:17,166 INFO  L87              Difference]: Start difference. First operand 2569 states and 3807 transitions. Second operand  has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:17,380 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:17,380 INFO  L93              Difference]: Finished difference Result 4572 states and 6766 transitions.
[2024-11-11 23:13:17,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:17,381 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 639
[2024-11-11 23:13:17,381 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:17,383 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:17,383 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:17,385 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:17,385 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 7173 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7180 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:17,385 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7180 Valid, 7268 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:17,387 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:17,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:17,401 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48125) internal successors, (3792), 2560 states have internal predecessors, (3792), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:17,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3806 transitions.
[2024-11-11 23:13:17,403 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3806 transitions. Word has length 639
[2024-11-11 23:13:17,403 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:17,403 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3806 transitions.
[2024-11-11 23:13:17,403 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:17,404 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3806 transitions.
[2024-11-11 23:13:17,406 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 641
[2024-11-11 23:13:17,406 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:17,406 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:17,407 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-11-11 23:13:17,407 INFO  L396      AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:17,407 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:17,407 INFO  L85        PathProgramCache]: Analyzing trace with hash -1918811733, now seen corresponding path program 1 times
[2024-11-11 23:13:17,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:17,407 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209830969]
[2024-11-11 23:13:17,407 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:17,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:17,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,439 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:18,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,441 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:18,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,442 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:18,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,443 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:18,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,444 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:18,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,445 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:18,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,446 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:18,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:18,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:18,447 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:18,447 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209830969]
[2024-11-11 23:13:18,448 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209830969] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:18,448 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:18,448 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:18,448 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805797565]
[2024-11-11 23:13:18,448 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:18,448 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:18,448 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:18,449 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:18,449 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:18,449 INFO  L87              Difference]: Start difference. First operand 2569 states and 3806 transitions. Second operand  has 5 states, 5 states have (on average 121.6) internal successors, (608), 5 states have internal predecessors, (608), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:18,654 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:18,654 INFO  L93              Difference]: Finished difference Result 4572 states and 6764 transitions.
[2024-11-11 23:13:18,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:18,655 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.6) internal successors, (608), 5 states have internal predecessors, (608), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 640
[2024-11-11 23:13:18,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:18,657 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:18,657 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:18,659 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:18,659 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 3773 mSDsluCounter, 3646 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 7279 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:18,659 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 7279 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:18,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:18,675 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:18,676 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.480859375) internal successors, (3791), 2560 states have internal predecessors, (3791), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:18,678 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3805 transitions.
[2024-11-11 23:13:18,679 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3805 transitions. Word has length 640
[2024-11-11 23:13:18,679 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:18,679 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3805 transitions.
[2024-11-11 23:13:18,679 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.6) internal successors, (608), 5 states have internal predecessors, (608), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:18,680 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3805 transitions.
[2024-11-11 23:13:18,682 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 642
[2024-11-11 23:13:18,682 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:18,682 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:18,683 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-11-11 23:13:18,683 INFO  L396      AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:18,683 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:18,683 INFO  L85        PathProgramCache]: Analyzing trace with hash 609711260, now seen corresponding path program 1 times
[2024-11-11 23:13:18,683 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:18,683 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573224266]
[2024-11-11 23:13:18,683 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:18,684 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:19,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,719 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:19,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,720 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:19,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,721 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:19,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,722 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:19,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,723 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:19,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,724 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:19,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,725 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:19,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:19,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:19,727 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:19,727 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573224266]
[2024-11-11 23:13:19,727 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573224266] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:19,727 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:19,727 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:19,727 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261616222]
[2024-11-11 23:13:19,727 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:19,728 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:19,728 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:19,729 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:19,729 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:19,729 INFO  L87              Difference]: Start difference. First operand 2569 states and 3805 transitions. Second operand  has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:19,945 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:19,946 INFO  L93              Difference]: Finished difference Result 4572 states and 6762 transitions.
[2024-11-11 23:13:19,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:19,946 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 641
[2024-11-11 23:13:19,947 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:19,949 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:19,949 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:19,950 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:19,951 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 7157 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7164 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:19,951 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7164 Valid, 7268 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:19,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:19,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:19,967 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.48046875) internal successors, (3790), 2560 states have internal predecessors, (3790), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:19,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3804 transitions.
[2024-11-11 23:13:19,969 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3804 transitions. Word has length 641
[2024-11-11 23:13:19,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:19,969 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3804 transitions.
[2024-11-11 23:13:19,969 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:19,969 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3804 transitions.
[2024-11-11 23:13:19,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 643
[2024-11-11 23:13:19,972 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:19,972 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:19,972 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-11-11 23:13:19,972 INFO  L396      AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:19,973 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:19,973 INFO  L85        PathProgramCache]: Analyzing trace with hash -1947115516, now seen corresponding path program 1 times
[2024-11-11 23:13:19,973 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:19,973 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381966141]
[2024-11-11 23:13:19,973 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:19,973 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:20,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,932 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:20,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,934 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:20,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,935 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:20,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,936 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:20,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,937 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:20,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,938 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:20,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,939 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:20,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:20,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:20,940 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:20,940 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381966141]
[2024-11-11 23:13:20,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381966141] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:20,940 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:20,940 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:20,940 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967160565]
[2024-11-11 23:13:20,940 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:20,941 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:20,941 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:20,941 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:20,942 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:20,942 INFO  L87              Difference]: Start difference. First operand 2569 states and 3804 transitions. Second operand  has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:21,156 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:21,156 INFO  L93              Difference]: Finished difference Result 4572 states and 6760 transitions.
[2024-11-11 23:13:21,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:21,157 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 642
[2024-11-11 23:13:21,157 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:21,159 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:21,160 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:21,161 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:21,162 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 7149 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7156 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:21,162 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7156 Valid, 7268 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:21,164 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:21,177 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:21,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.480078125) internal successors, (3789), 2560 states have internal predecessors, (3789), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:21,180 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3803 transitions.
[2024-11-11 23:13:21,181 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3803 transitions. Word has length 642
[2024-11-11 23:13:21,181 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:21,181 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3803 transitions.
[2024-11-11 23:13:21,181 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:21,181 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3803 transitions.
[2024-11-11 23:13:21,184 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 644
[2024-11-11 23:13:21,184 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:21,184 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:21,184 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-11-11 23:13:21,184 INFO  L396      AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:21,184 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:21,184 INFO  L85        PathProgramCache]: Analyzing trace with hash -1798087659, now seen corresponding path program 1 times
[2024-11-11 23:13:21,185 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:21,185 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013419363]
[2024-11-11 23:13:21,185 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:21,185 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-11 23:13:21,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,210 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295
[2024-11-11 23:13:22,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,212 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309
[2024-11-11 23:13:22,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,213 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327
[2024-11-11 23:13:22,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,214 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343
[2024-11-11 23:13:22,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,215 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353
[2024-11-11 23:13:22,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,216 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365
[2024-11-11 23:13:22,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,216 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377
[2024-11-11 23:13:22,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-11 23:13:22,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-11 23:13:22,218 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-11 23:13:22,218 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013419363]
[2024-11-11 23:13:22,218 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013419363] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-11 23:13:22,218 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-11 23:13:22,218 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-11 23:13:22,218 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920022789]
[2024-11-11 23:13:22,218 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-11 23:13:22,219 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-11 23:13:22,219 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-11 23:13:22,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-11 23:13:22,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-11 23:13:22,219 INFO  L87              Difference]: Start difference. First operand 2569 states and 3803 transitions. Second operand  has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:22,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-11 23:13:22,442 INFO  L93              Difference]: Finished difference Result 4572 states and 6758 transitions.
[2024-11-11 23:13:22,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-11 23:13:22,443 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 643
[2024-11-11 23:13:22,443 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-11 23:13:22,445 INFO  L225             Difference]: With dead ends: 4572
[2024-11-11 23:13:22,445 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-11 23:13:22,447 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-11 23:13:22,447 INFO  L435           NwaCegarLoop]: 3633 mSDtfsCounter, 7141 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7148 SdHoareTripleChecker+Valid, 7268 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-11 23:13:22,447 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7148 Valid, 7268 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-11 23:13:22,449 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-11 23:13:22,464 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-11 23:13:22,465 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2569 states, 2560 states have (on average 1.4796875) internal successors, (3788), 2560 states have internal predecessors, (3788), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-11 23:13:22,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3802 transitions.
[2024-11-11 23:13:22,468 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3802 transitions. Word has length 643
[2024-11-11 23:13:22,468 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-11 23:13:22,468 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3802 transitions.
[2024-11-11 23:13:22,469 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 122.2) internal successors, (611), 5 states have internal predecessors, (611), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-11 23:13:22,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3802 transitions.
[2024-11-11 23:13:22,471 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 645
[2024-11-11 23:13:22,472 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-11 23:13:22,472 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-11 23:13:22,472 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-11-11 23:13:22,472 INFO  L396      AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-11 23:13:22,472 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-11 23:13:22,472 INFO  L85        PathProgramCache]: Analyzing trace with hash 160278237, now seen corresponding path program 1 times
[2024-11-11 23:13:22,472 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-11 23:13:22,472 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101838904]
[2024-11-11 23:13:22,473 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-11 23:13:22,473 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms