./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 3061b6dc
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-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 16:33:20,092 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 16:33:20,205 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-18 16:33:20,211 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 16:33:20,215 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 16:33:20,270 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 16:33:20,271 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 16:33:20,271 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 16:33:20,273 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 16:33:20,278 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 16:33:20,278 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 16:33:20,279 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 16:33:20,279 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 16:33:20,280 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 16:33:20,280 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 16:33:20,280 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 16:33:20,281 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 16:33:20,281 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 16:33:20,281 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 16:33:20,281 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 16:33:20,282 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 16:33:20,286 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 16:33:20,286 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 16:33:20,286 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 16:33:20,286 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 16:33:20,287 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 16:33:20,287 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 16:33:20,287 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 16:33:20,287 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 16:33:20,288 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 16:33:20,288 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 16:33:20,288 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 16:33:20,288 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 16:33:20,289 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 16:33:20,296 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 16:33:20,297 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 16:33:20,297 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 16:33:20,297 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 16:33:20,297 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 16:33:20,298 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
[2024-11-18 16:33:20,627 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 16:33:20,668 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 16:33:20,671 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 16:33:20,673 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 16:33:20,673 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 16:33:20,674 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c
[2024-11-18 16:33:22,117 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 16:33:22,393 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 16:33:22,394 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c
[2024-11-18 16:33:22,425 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a33d23c9c/5c8c13adc9e34ec7818db286f8694623/FLAG4416be452
[2024-11-18 16:33:22,438 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a33d23c9c/5c8c13adc9e34ec7818db286f8694623
[2024-11-18 16:33:22,440 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 16:33:22,442 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 16:33:22,443 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 16:33:22,443 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 16:33:22,449 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 16:33:22,450 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:33:22" (1/1) ...
[2024-11-18 16:33:22,451 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32247240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:22, skipping insertion in model container
[2024-11-18 16:33:22,451 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:33:22" (1/1) ...
[2024-11-18 16:33:22,626 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 16:33:22,902 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]
[2024-11-18 16:33:23,306 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 16:33:23,314 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 16:33:23,323 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]
[2024-11-18 16:33:23,688 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 16:33:23,703 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 16:33:23,704 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23 WrapperNode
[2024-11-18 16:33:23,704 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 16:33:23,705 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 16:33:23,705 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 16:33:23,705 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 16:33:23,712 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:23,779 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:24,668 INFO  L138                Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9622
[2024-11-18 16:33:24,669 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 16:33:24,670 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 16:33:24,670 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 16:33:24,670 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 16:33:24,682 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:24,683 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:24,951 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,273 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].
[2024-11-18 16:33:25,273 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,273 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,549 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,584 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,685 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,726 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,962 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 16:33:25,963 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 16:33:25,963 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 16:33:25,963 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 16:33:25,964 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (1/1) ...
[2024-11-18 16:33:25,970 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 16:33:25,979 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 16:33:25,994 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)
[2024-11-18 16:33:26,075 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
[2024-11-18 16:33:26,127 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 16:33:26,128 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-18 16:33:26,128 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-18 16:33:26,128 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 16:33:26,128 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 16:33:26,128 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 16:33:26,638 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 16:33:26,640 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 16:33:35,950 INFO  L?                        ?]: Removed 5596 outVars from TransFormulas that were not future-live.
[2024-11-18 16:33:35,950 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 16:33:36,007 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 16:33:36,008 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-18 16:33:36,008 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:33:36 BoogieIcfgContainer
[2024-11-18 16:33:36,009 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 16:33:36,010 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 16:33:36,011 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 16:33:36,013 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 16:33:36,013 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:33:22" (1/3) ...
[2024-11-18 16:33:36,014 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b97ec07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:33:36, skipping insertion in model container
[2024-11-18 16:33:36,014 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:23" (2/3) ...
[2024-11-18 16:33:36,014 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b97ec07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:33:36, skipping insertion in model container
[2024-11-18 16:33:36,015 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:33:36" (3/3) ...
[2024-11-18 16:33:36,016 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w8_d64_e0.c
[2024-11-18 16:33:36,030 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 16:33:36,030 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 16:33:36,111 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 16:33:36,117 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;@15272429, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 16:33:36,117 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 16:33:36,126 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)
[2024-11-18 16:33:36,164 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 600
[2024-11-18 16:33:36,164 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:36,165 INFO  L215           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]
[2024-11-18 16:33:36,166 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:36,171 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:36,171 INFO  L85        PathProgramCache]: Analyzing trace with hash -2062558188, now seen corresponding path program 1 times
[2024-11-18 16:33:36,177 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:36,178 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124735931]
[2024-11-18 16:33:36,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:36,178 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:36,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:37,243 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-18 16:33:37,247 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:37,247 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124735931]
[2024-11-18 16:33:37,248 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124735931] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 16:33:37,249 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16140360]
[2024-11-18 16:33:37,249 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:37,249 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 16:33:37,250 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 16:33:37,252 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-18 16:33:37,256 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-18 16:33:39,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:39,089 INFO  L255         TraceCheckSpWp]: Trace formula consists of 4072 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-18 16:33:39,121 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 16:33:39,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-18 16:33:39,182 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-18 16:33:39,182 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [16140360] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:39,183 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-18 16:33:39,183 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-18 16:33:39,185 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618212678]
[2024-11-18 16:33:39,186 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:39,191 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-18 16:33:39,192 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:39,216 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-18 16:33:39,217 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 16:33:39,225 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 284.5) internal successors, (569), 2 states have internal predecessors, (569), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-18 16:33:39,321 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:39,322 INFO  L93              Difference]: Finished difference Result 4567 states and 6849 transitions.
[2024-11-18 16:33:39,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-18 16:33:39,324 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 284.5) internal successors, (569), 2 states have internal predecessors, (569), 2 states have call successors, (7), 2 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
[2024-11-18 16:33:39,325 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:39,345 INFO  L225             Difference]: With dead ends: 4567
[2024-11-18 16:33:39,346 INFO  L226             Difference]: Without dead ends: 2565
[2024-11-18 16:33:39,352 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 16:33:39,355 INFO  L432           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
[2024-11-18 16:33:39,356 INFO  L433           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]
[2024-11-18 16:33:39,374 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2565 states.
[2024-11-18 16:33:39,455 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2565.
[2024-11-18 16:33:39,462 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)
[2024-11-18 16:33:39,468 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3841 transitions.
[2024-11-18 16:33:39,470 INFO  L78                 Accepts]: Start accepts. Automaton has 2565 states and 3841 transitions. Word has length 599
[2024-11-18 16:33:39,471 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:39,471 INFO  L471      AbstractCegarLoop]: Abstraction has 2565 states and 3841 transitions.
[2024-11-18 16:33:39,472 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 284.5) internal successors, (569), 2 states have internal predecessors, (569), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-18 16:33:39,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 2565 states and 3841 transitions.
[2024-11-18 16:33:39,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 600
[2024-11-18 16:33:39,481 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:39,481 INFO  L215           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]
[2024-11-18 16:33:39,503 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-18 16:33:39,682 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-18 16:33:39,683 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:39,683 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:39,684 INFO  L85        PathProgramCache]: Analyzing trace with hash -1815310650, now seen corresponding path program 1 times
[2024-11-18 16:33:39,684 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:39,684 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194470906]
[2024-11-18 16:33:39,684 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:39,684 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:40,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:42,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:42,914 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:42,914 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194470906]
[2024-11-18 16:33:42,914 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194470906] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:42,915 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:42,915 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 16:33:42,915 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598319028]
[2024-11-18 16:33:42,915 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:42,917 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 16:33:42,917 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:42,918 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 16:33:42,918 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 16:33:42,918 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)
[2024-11-18 16:33:43,020 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:43,020 INFO  L93              Difference]: Finished difference Result 2569 states and 3845 transitions.
[2024-11-18 16:33:43,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:33:43,021 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
[2024-11-18 16:33:43,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:43,034 INFO  L225             Difference]: With dead ends: 2569
[2024-11-18 16:33:43,035 INFO  L226             Difference]: Without dead ends: 2567
[2024-11-18 16:33:43,037 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 16:33:43,038 INFO  L432           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
[2024-11-18 16:33:43,038 INFO  L433           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]
[2024-11-18 16:33:43,043 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2567 states.
[2024-11-18 16:33:43,082 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567.
[2024-11-18 16:33:43,086 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)
[2024-11-18 16:33:43,094 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3843 transitions.
[2024-11-18 16:33:43,095 INFO  L78                 Accepts]: Start accepts. Automaton has 2567 states and 3843 transitions. Word has length 599
[2024-11-18 16:33:43,097 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:43,097 INFO  L471      AbstractCegarLoop]: Abstraction has 2567 states and 3843 transitions.
[2024-11-18 16:33:43,098 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)
[2024-11-18 16:33:43,098 INFO  L276                IsEmpty]: Start isEmpty. Operand 2567 states and 3843 transitions.
[2024-11-18 16:33:43,109 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 601
[2024-11-18 16:33:43,110 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:43,110 INFO  L215           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]
[2024-11-18 16:33:43,111 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 16:33:43,111 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:43,112 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:43,112 INFO  L85        PathProgramCache]: Analyzing trace with hash -438356547, now seen corresponding path program 1 times
[2024-11-18 16:33:43,112 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:43,112 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999210941]
[2024-11-18 16:33:43,113 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:43,113 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:43,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:45,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:45,140 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:45,140 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999210941]
[2024-11-18 16:33:45,140 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999210941] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:45,140 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:45,140 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:33:45,140 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392551240]
[2024-11-18 16:33:45,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:45,141 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:33:45,141 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:45,142 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:33:45,142 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:33:45,143 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)
[2024-11-18 16:33:46,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:46,442 INFO  L93              Difference]: Finished difference Result 6223 states and 9319 transitions.
[2024-11-18 16:33:46,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 16:33:46,443 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
[2024-11-18 16:33:46,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:46,451 INFO  L225             Difference]: With dead ends: 6223
[2024-11-18 16:33:46,451 INFO  L226             Difference]: Without dead ends: 2567
[2024-11-18 16:33:46,455 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-18 16:33:46,456 INFO  L432           NwaCegarLoop]: 3825 mSDtfsCounter, 7696 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-18 16:33:46,456 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7696 Valid, 10639 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-18 16:33:46,459 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2567 states.
[2024-11-18 16:33:46,487 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567.
[2024-11-18 16:33:46,491 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)
[2024-11-18 16:33:46,495 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3842 transitions.
[2024-11-18 16:33:46,496 INFO  L78                 Accepts]: Start accepts. Automaton has 2567 states and 3842 transitions. Word has length 600
[2024-11-18 16:33:46,496 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:46,497 INFO  L471      AbstractCegarLoop]: Abstraction has 2567 states and 3842 transitions.
[2024-11-18 16:33:46,497 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)
[2024-11-18 16:33:46,497 INFO  L276                IsEmpty]: Start isEmpty. Operand 2567 states and 3842 transitions.
[2024-11-18 16:33:46,504 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 602
[2024-11-18 16:33:46,505 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:46,505 INFO  L215           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]
[2024-11-18 16:33:46,505 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 16:33:46,506 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:46,506 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:46,506 INFO  L85        PathProgramCache]: Analyzing trace with hash -1036168225, now seen corresponding path program 1 times
[2024-11-18 16:33:46,506 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:46,506 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057707756]
[2024-11-18 16:33:46,507 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:46,507 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:46,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:47,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:47,894 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:47,894 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057707756]
[2024-11-18 16:33:47,894 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057707756] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:47,894 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:47,894 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:33:47,895 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75431175]
[2024-11-18 16:33:47,895 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:47,896 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:33:47,896 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:47,897 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:33:47,897 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:33:47,897 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)
[2024-11-18 16:33:49,300 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:49,300 INFO  L93              Difference]: Finished difference Result 4568 states and 6836 transitions.
[2024-11-18 16:33:49,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:33:49,301 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
[2024-11-18 16:33:49,302 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:49,310 INFO  L225             Difference]: With dead ends: 4568
[2024-11-18 16:33:49,310 INFO  L226             Difference]: Without dead ends: 2567
[2024-11-18 16:33:49,313 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:33:49,314 INFO  L432           NwaCegarLoop]: 2967 mSDtfsCounter, 3728 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:33:49,314 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 5947 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-18 16:33:49,318 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2567 states.
[2024-11-18 16:33:49,353 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567.
[2024-11-18 16:33:49,357 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)
[2024-11-18 16:33:49,365 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 3841 transitions.
[2024-11-18 16:33:49,366 INFO  L78                 Accepts]: Start accepts. Automaton has 2567 states and 3841 transitions. Word has length 601
[2024-11-18 16:33:49,367 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:49,367 INFO  L471      AbstractCegarLoop]: Abstraction has 2567 states and 3841 transitions.
[2024-11-18 16:33:49,368 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)
[2024-11-18 16:33:49,368 INFO  L276                IsEmpty]: Start isEmpty. Operand 2567 states and 3841 transitions.
[2024-11-18 16:33:49,373 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 603
[2024-11-18 16:33:49,374 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:49,374 INFO  L215           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]
[2024-11-18 16:33:49,374 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 16:33:49,374 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:49,375 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:49,375 INFO  L85        PathProgramCache]: Analyzing trace with hash 1991191014, now seen corresponding path program 1 times
[2024-11-18 16:33:49,375 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:49,375 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906354126]
[2024-11-18 16:33:49,376 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:49,376 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:49,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:51,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:51,123 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:51,123 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906354126]
[2024-11-18 16:33:51,123 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906354126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:51,124 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:51,124 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 16:33:51,124 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050131040]
[2024-11-18 16:33:51,125 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:51,126 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 16:33:51,126 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:51,128 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 16:33:51,128 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 16:33:51,128 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)
[2024-11-18 16:33:51,220 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:51,220 INFO  L93              Difference]: Finished difference Result 4570 states and 6837 transitions.
[2024-11-18 16:33:51,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:33:51,221 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
[2024-11-18 16:33:51,222 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:51,228 INFO  L225             Difference]: With dead ends: 4570
[2024-11-18 16:33:51,229 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:33:51,231 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 16:33:51,232 INFO  L432           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
[2024-11-18 16:33:51,232 INFO  L433           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]
[2024-11-18 16:33:51,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:33:51,264 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:33:51,267 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)
[2024-11-18 16:33:51,272 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3843 transitions.
[2024-11-18 16:33:51,273 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3843 transitions. Word has length 602
[2024-11-18 16:33:51,274 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:51,274 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3843 transitions.
[2024-11-18 16:33:51,274 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)
[2024-11-18 16:33:51,274 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3843 transitions.
[2024-11-18 16:33:51,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 604
[2024-11-18 16:33:51,280 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:51,280 INFO  L215           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]
[2024-11-18 16:33:51,280 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-18 16:33:51,281 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:51,281 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:51,281 INFO  L85        PathProgramCache]: Analyzing trace with hash 499416950, now seen corresponding path program 1 times
[2024-11-18 16:33:51,281 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:51,282 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32089357]
[2024-11-18 16:33:51,282 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:51,282 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:51,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:53,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:53,650 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:53,650 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32089357]
[2024-11-18 16:33:53,650 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32089357] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:53,651 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:53,651 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 16:33:53,653 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338172372]
[2024-11-18 16:33:53,655 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:53,656 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 16:33:53,656 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:53,657 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 16:33:53,657 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 16:33:53,658 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)
[2024-11-18 16:33:54,041 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:54,042 INFO  L93              Difference]: Finished difference Result 4572 states and 6838 transitions.
[2024-11-18 16:33:54,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:33:54,043 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
[2024-11-18 16:33:54,044 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:54,053 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:33:54,053 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:33:54,057 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:33:54,059 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 3334 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3334 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:33:54,060 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3334 Valid, 7332 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:33:54,064 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:33:54,104 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:33:54,113 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)
[2024-11-18 16:33:54,124 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3842 transitions.
[2024-11-18 16:33:54,126 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3842 transitions. Word has length 603
[2024-11-18 16:33:54,127 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:54,127 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3842 transitions.
[2024-11-18 16:33:54,131 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)
[2024-11-18 16:33:54,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3842 transitions.
[2024-11-18 16:33:54,141 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 605
[2024-11-18 16:33:54,142 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:54,143 INFO  L215           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]
[2024-11-18 16:33:54,144 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-18 16:33:54,144 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:54,145 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:54,145 INFO  L85        PathProgramCache]: Analyzing trace with hash 628092187, now seen corresponding path program 1 times
[2024-11-18 16:33:54,145 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:54,146 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126857700]
[2024-11-18 16:33:54,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:54,147 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:54,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:55,598 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:55,599 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:55,599 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126857700]
[2024-11-18 16:33:55,600 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126857700] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:55,601 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:55,601 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:33:55,601 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879009297]
[2024-11-18 16:33:55,601 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:55,602 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:33:55,602 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:55,603 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:33:55,603 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:33:55,604 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)
[2024-11-18 16:33:55,914 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:55,915 INFO  L93              Difference]: Finished difference Result 4756 states and 7110 transitions.
[2024-11-18 16:33:55,915 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-18 16:33:55,917 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
[2024-11-18 16:33:55,918 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:55,924 INFO  L225             Difference]: With dead ends: 4756
[2024-11-18 16:33:55,925 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:33:55,928 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-18 16:33:55,928 INFO  L432           NwaCegarLoop]: 3814 mSDtfsCounter, 3851 mSDsluCounter, 7487 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3851 SdHoareTripleChecker+Valid, 11301 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 16:33:55,929 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3851 Valid, 11301 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 16:33:55,932 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:33:55,964 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:33:55,967 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)
[2024-11-18 16:33:55,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3841 transitions.
[2024-11-18 16:33:55,972 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3841 transitions. Word has length 604
[2024-11-18 16:33:55,973 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:55,973 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3841 transitions.
[2024-11-18 16:33:55,973 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)
[2024-11-18 16:33:55,973 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3841 transitions.
[2024-11-18 16:33:55,979 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 606
[2024-11-18 16:33:55,979 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:55,980 INFO  L215           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]
[2024-11-18 16:33:55,980 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-18 16:33:55,980 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:55,980 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:55,981 INFO  L85        PathProgramCache]: Analyzing trace with hash -1204074036, now seen corresponding path program 1 times
[2024-11-18 16:33:55,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:55,981 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677590564]
[2024-11-18 16:33:55,981 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:55,981 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:56,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:57,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:57,123 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:57,123 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677590564]
[2024-11-18 16:33:57,123 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677590564] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:57,124 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:57,124 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:33:57,124 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232709006]
[2024-11-18 16:33:57,124 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:57,125 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:33:57,125 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:57,132 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:33:57,132 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:33:57,132 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)
[2024-11-18 16:33:57,447 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:57,447 INFO  L93              Difference]: Finished difference Result 4572 states and 6834 transitions.
[2024-11-18 16:33:57,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:33:57,448 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
[2024-11-18 16:33:57,448 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:57,455 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:33:57,456 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:33:57,458 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:33:57,459 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7253 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7260 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:33:57,460 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7260 Valid, 7332 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:33:57,463 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:33:57,486 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:33:57,489 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)
[2024-11-18 16:33:57,492 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3840 transitions.
[2024-11-18 16:33:57,492 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3840 transitions. Word has length 605
[2024-11-18 16:33:57,493 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:57,493 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3840 transitions.
[2024-11-18 16:33:57,493 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)
[2024-11-18 16:33:57,494 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3840 transitions.
[2024-11-18 16:33:57,496 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 607
[2024-11-18 16:33:57,497 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:57,497 INFO  L215           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]
[2024-11-18 16:33:57,497 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-18 16:33:57,497 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:57,498 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:57,498 INFO  L85        PathProgramCache]: Analyzing trace with hash -1543168396, now seen corresponding path program 1 times
[2024-11-18 16:33:57,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:57,498 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915216466]
[2024-11-18 16:33:57,498 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:57,498 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:57,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:58,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:58,601 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:58,601 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915216466]
[2024-11-18 16:33:58,601 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915216466] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:58,601 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:58,602 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:33:58,602 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850911085]
[2024-11-18 16:33:58,602 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:58,602 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:33:58,602 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:58,603 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:33:58,603 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:33:58,603 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)
[2024-11-18 16:33:58,918 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:33:58,918 INFO  L93              Difference]: Finished difference Result 4572 states and 6832 transitions.
[2024-11-18 16:33:58,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:33:58,920 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
[2024-11-18 16:33:58,923 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:33:58,931 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:33:58,932 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:33:58,936 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:33:58,936 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7245 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7252 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:33:58,937 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7252 Valid, 7332 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:33:58,940 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:33:58,968 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:33:58,972 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)
[2024-11-18 16:33:58,976 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3839 transitions.
[2024-11-18 16:33:58,976 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3839 transitions. Word has length 606
[2024-11-18 16:33:58,977 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:33:58,977 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3839 transitions.
[2024-11-18 16:33:58,978 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)
[2024-11-18 16:33:58,978 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3839 transitions.
[2024-11-18 16:33:58,981 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 608
[2024-11-18 16:33:58,981 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:33:58,982 INFO  L215           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]
[2024-11-18 16:33:58,982 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-18 16:33:58,982 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:33:58,982 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:33:58,983 INFO  L85        PathProgramCache]: Analyzing trace with hash -1198590907, now seen corresponding path program 1 times
[2024-11-18 16:33:58,983 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:33:58,983 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460852618]
[2024-11-18 16:33:58,983 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:33:58,983 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:33:59,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:33:59,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:33:59,960 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:33:59,960 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460852618]
[2024-11-18 16:33:59,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460852618] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:33:59,960 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:33:59,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:33:59,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230827064]
[2024-11-18 16:33:59,961 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:33:59,961 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:33:59,961 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:33:59,962 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:33:59,962 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:33:59,962 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)
[2024-11-18 16:34:00,280 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:00,280 INFO  L93              Difference]: Finished difference Result 4572 states and 6830 transitions.
[2024-11-18 16:34:00,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:00,281 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
[2024-11-18 16:34:00,282 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:00,294 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:00,294 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:00,297 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:00,298 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7237 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7244 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:00,298 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7244 Valid, 7332 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:00,302 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:00,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:00,333 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)
[2024-11-18 16:34:00,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3838 transitions.
[2024-11-18 16:34:00,337 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3838 transitions. Word has length 607
[2024-11-18 16:34:00,338 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:00,338 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3838 transitions.
[2024-11-18 16:34:00,339 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)
[2024-11-18 16:34:00,339 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3838 transitions.
[2024-11-18 16:34:00,343 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 609
[2024-11-18 16:34:00,343 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:00,343 INFO  L215           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]
[2024-11-18 16:34:00,344 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-18 16:34:00,344 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:00,344 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:00,344 INFO  L85        PathProgramCache]: Analyzing trace with hash -60688307, now seen corresponding path program 1 times
[2024-11-18 16:34:00,345 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:00,345 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88135194]
[2024-11-18 16:34:00,345 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:00,345 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:00,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:01,699 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:01,700 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:01,700 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88135194]
[2024-11-18 16:34:01,700 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88135194] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:01,700 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:01,700 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:01,700 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492824518]
[2024-11-18 16:34:01,701 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:01,701 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:01,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:01,702 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:01,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:01,703 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)
[2024-11-18 16:34:02,043 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:02,043 INFO  L93              Difference]: Finished difference Result 4572 states and 6828 transitions.
[2024-11-18 16:34:02,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:02,044 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
[2024-11-18 16:34:02,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:02,050 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:02,050 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:02,052 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:02,053 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 3805 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3812 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:02,053 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3812 Valid, 7343 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:02,056 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:02,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:02,087 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)
[2024-11-18 16:34:02,090 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3837 transitions.
[2024-11-18 16:34:02,091 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3837 transitions. Word has length 608
[2024-11-18 16:34:02,092 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:02,092 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3837 transitions.
[2024-11-18 16:34:02,092 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)
[2024-11-18 16:34:02,092 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3837 transitions.
[2024-11-18 16:34:02,097 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 610
[2024-11-18 16:34:02,097 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:02,097 INFO  L215           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]
[2024-11-18 16:34:02,097 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-18 16:34:02,098 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:02,098 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:02,098 INFO  L85        PathProgramCache]: Analyzing trace with hash -245878978, now seen corresponding path program 1 times
[2024-11-18 16:34:02,098 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:02,099 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943300820]
[2024-11-18 16:34:02,099 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:02,099 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:02,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:03,097 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:03,097 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:03,097 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943300820]
[2024-11-18 16:34:03,097 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943300820] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:03,097 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:03,097 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:03,098 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843626496]
[2024-11-18 16:34:03,098 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:03,098 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:03,098 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:03,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:03,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:03,099 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)
[2024-11-18 16:34:03,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:03,415 INFO  L93              Difference]: Finished difference Result 4572 states and 6826 transitions.
[2024-11-18 16:34:03,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:03,416 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
[2024-11-18 16:34:03,417 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:03,426 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:03,426 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:03,431 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:03,432 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 3801 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3808 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:03,432 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3808 Valid, 7343 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:03,437 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:03,464 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:03,468 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)
[2024-11-18 16:34:03,472 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3836 transitions.
[2024-11-18 16:34:03,472 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3836 transitions. Word has length 609
[2024-11-18 16:34:03,473 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:03,473 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3836 transitions.
[2024-11-18 16:34:03,474 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)
[2024-11-18 16:34:03,474 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3836 transitions.
[2024-11-18 16:34:03,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 611
[2024-11-18 16:34:03,478 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:03,479 INFO  L215           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]
[2024-11-18 16:34:03,479 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-18 16:34:03,479 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:03,479 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:03,480 INFO  L85        PathProgramCache]: Analyzing trace with hash -633750874, now seen corresponding path program 1 times
[2024-11-18 16:34:03,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:03,480 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094234779]
[2024-11-18 16:34:03,480 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:03,480 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:03,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:04,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:04,427 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:04,428 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094234779]
[2024-11-18 16:34:04,428 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094234779] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:04,428 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:04,428 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:04,428 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646894422]
[2024-11-18 16:34:04,428 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:04,429 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:04,429 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:04,430 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:04,430 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:04,430 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)
[2024-11-18 16:34:04,753 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:04,754 INFO  L93              Difference]: Finished difference Result 4572 states and 6824 transitions.
[2024-11-18 16:34:04,754 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:04,755 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
[2024-11-18 16:34:04,755 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:04,760 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:04,760 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:04,762 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:04,763 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 3797 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:04,763 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 7343 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:04,765 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:04,784 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:04,788 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)
[2024-11-18 16:34:04,791 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3835 transitions.
[2024-11-18 16:34:04,792 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3835 transitions. Word has length 610
[2024-11-18 16:34:04,793 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:04,793 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3835 transitions.
[2024-11-18 16:34:04,793 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)
[2024-11-18 16:34:04,793 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3835 transitions.
[2024-11-18 16:34:04,796 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 612
[2024-11-18 16:34:04,796 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:04,797 INFO  L215           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]
[2024-11-18 16:34:04,797 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-18 16:34:04,797 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:04,797 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:04,798 INFO  L85        PathProgramCache]: Analyzing trace with hash 1640512183, now seen corresponding path program 1 times
[2024-11-18 16:34:04,798 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:04,798 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589037442]
[2024-11-18 16:34:04,798 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:04,798 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:05,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:05,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:05,975 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:05,975 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589037442]
[2024-11-18 16:34:05,975 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589037442] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:05,975 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:05,975 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:05,976 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479660748]
[2024-11-18 16:34:05,976 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:05,977 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:05,977 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:05,978 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:05,978 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:05,978 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)
[2024-11-18 16:34:06,292 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:06,292 INFO  L93              Difference]: Finished difference Result 4572 states and 6822 transitions.
[2024-11-18 16:34:06,292 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:06,293 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
[2024-11-18 16:34:06,293 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:06,298 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:06,298 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:06,301 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:06,301 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7205 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7212 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:06,302 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7212 Valid, 7332 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:06,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:06,329 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:06,332 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)
[2024-11-18 16:34:06,335 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3834 transitions.
[2024-11-18 16:34:06,335 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3834 transitions. Word has length 611
[2024-11-18 16:34:06,336 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:06,336 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3834 transitions.
[2024-11-18 16:34:06,336 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)
[2024-11-18 16:34:06,337 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3834 transitions.
[2024-11-18 16:34:06,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 613
[2024-11-18 16:34:06,341 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:06,341 INFO  L215           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]
[2024-11-18 16:34:06,341 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-18 16:34:06,342 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:06,342 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:06,342 INFO  L85        PathProgramCache]: Analyzing trace with hash 1310696831, now seen corresponding path program 1 times
[2024-11-18 16:34:06,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:06,342 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318770982]
[2024-11-18 16:34:06,343 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:06,343 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:06,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:07,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:07,771 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:07,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318770982]
[2024-11-18 16:34:07,772 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318770982] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:07,772 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:07,772 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:07,772 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184047419]
[2024-11-18 16:34:07,772 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:07,773 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:07,773 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:07,774 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:07,774 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:07,775 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)
[2024-11-18 16:34:08,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:08,121 INFO  L93              Difference]: Finished difference Result 4572 states and 6820 transitions.
[2024-11-18 16:34:08,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:08,122 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
[2024-11-18 16:34:08,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:08,127 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:08,127 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:08,130 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:08,130 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7039 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7046 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:08,130 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7046 Valid, 7332 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:08,133 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:08,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:08,158 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)
[2024-11-18 16:34:08,161 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3833 transitions.
[2024-11-18 16:34:08,161 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3833 transitions. Word has length 612
[2024-11-18 16:34:08,162 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:08,162 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3833 transitions.
[2024-11-18 16:34:08,162 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)
[2024-11-18 16:34:08,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3833 transitions.
[2024-11-18 16:34:08,166 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 614
[2024-11-18 16:34:08,166 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:08,167 INFO  L215           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]
[2024-11-18 16:34:08,167 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-18 16:34:08,167 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:08,167 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:08,168 INFO  L85        PathProgramCache]: Analyzing trace with hash 12072993, now seen corresponding path program 1 times
[2024-11-18 16:34:08,168 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:08,168 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129714643]
[2024-11-18 16:34:08,168 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:08,168 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:08,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:09,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:09,328 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:09,328 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129714643]
[2024-11-18 16:34:09,328 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129714643] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:09,328 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:09,328 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:09,328 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805479919]
[2024-11-18 16:34:09,328 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:09,329 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:09,329 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:09,330 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:09,330 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:09,330 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)
[2024-11-18 16:34:09,602 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:09,602 INFO  L93              Difference]: Finished difference Result 4572 states and 6818 transitions.
[2024-11-18 16:34:09,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:09,603 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
[2024-11-18 16:34:09,603 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:09,606 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:09,606 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:09,608 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:09,608 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 3706 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3713 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:09,608 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3713 Valid, 7343 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 16:34:09,610 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:09,623 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:09,625 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)
[2024-11-18 16:34:09,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3832 transitions.
[2024-11-18 16:34:09,627 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3832 transitions. Word has length 613
[2024-11-18 16:34:09,628 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:09,628 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3832 transitions.
[2024-11-18 16:34:09,628 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)
[2024-11-18 16:34:09,628 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3832 transitions.
[2024-11-18 16:34:09,631 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 615
[2024-11-18 16:34:09,631 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:09,631 INFO  L215           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]
[2024-11-18 16:34:09,631 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-18 16:34:09,632 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:09,632 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:09,632 INFO  L85        PathProgramCache]: Analyzing trace with hash 1486870950, now seen corresponding path program 1 times
[2024-11-18 16:34:09,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:09,632 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349595035]
[2024-11-18 16:34:09,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:09,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:09,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:10,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:10,646 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:10,646 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349595035]
[2024-11-18 16:34:10,646 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349595035] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:10,646 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:10,646 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:10,647 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651946976]
[2024-11-18 16:34:10,647 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:10,647 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:10,647 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:10,648 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:10,648 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:10,649 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)
[2024-11-18 16:34:10,940 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:10,940 INFO  L93              Difference]: Finished difference Result 4572 states and 6816 transitions.
[2024-11-18 16:34:10,941 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:10,941 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
[2024-11-18 16:34:10,942 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:10,946 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:10,949 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:10,952 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:10,956 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7023 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7030 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:10,956 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7030 Valid, 7332 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 16:34:10,964 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:11,011 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:11,017 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)
[2024-11-18 16:34:11,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3831 transitions.
[2024-11-18 16:34:11,024 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3831 transitions. Word has length 614
[2024-11-18 16:34:11,028 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:11,029 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3831 transitions.
[2024-11-18 16:34:11,029 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)
[2024-11-18 16:34:11,029 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3831 transitions.
[2024-11-18 16:34:11,036 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 616
[2024-11-18 16:34:11,036 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:11,037 INFO  L215           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]
[2024-11-18 16:34:11,040 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-18 16:34:11,040 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:11,041 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:11,041 INFO  L85        PathProgramCache]: Analyzing trace with hash -2096163224, now seen corresponding path program 1 times
[2024-11-18 16:34:11,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:11,041 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208215978]
[2024-11-18 16:34:11,041 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:11,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:11,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:12,101 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:12,102 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:12,102 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208215978]
[2024-11-18 16:34:12,102 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208215978] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:12,102 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:12,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:12,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108348600]
[2024-11-18 16:34:12,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:12,103 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:12,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:12,104 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:12,104 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:12,104 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)
[2024-11-18 16:34:12,370 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:12,370 INFO  L93              Difference]: Finished difference Result 4572 states and 6814 transitions.
[2024-11-18 16:34:12,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:12,371 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
[2024-11-18 16:34:12,372 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:12,375 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:12,375 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:12,377 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:12,377 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7015 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7022 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:12,377 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7022 Valid, 7332 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 16:34:12,379 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:12,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:12,398 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)
[2024-11-18 16:34:12,400 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3830 transitions.
[2024-11-18 16:34:12,400 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3830 transitions. Word has length 615
[2024-11-18 16:34:12,400 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:12,400 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3830 transitions.
[2024-11-18 16:34:12,401 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)
[2024-11-18 16:34:12,401 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3830 transitions.
[2024-11-18 16:34:12,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 617
[2024-11-18 16:34:12,404 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:12,404 INFO  L215           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]
[2024-11-18 16:34:12,404 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-18 16:34:12,404 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:12,404 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:12,405 INFO  L85        PathProgramCache]: Analyzing trace with hash -667460275, now seen corresponding path program 1 times
[2024-11-18 16:34:12,405 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:12,405 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016675742]
[2024-11-18 16:34:12,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:12,405 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:12,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:13,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:13,593 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:13,593 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016675742]
[2024-11-18 16:34:13,593 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016675742] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:13,593 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:13,594 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:13,594 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529297835]
[2024-11-18 16:34:13,594 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:13,594 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:13,595 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:13,595 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:13,595 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:13,595 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)
[2024-11-18 16:34:13,847 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:13,848 INFO  L93              Difference]: Finished difference Result 4572 states and 6812 transitions.
[2024-11-18 16:34:13,848 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:13,848 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
[2024-11-18 16:34:13,849 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:13,852 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:13,852 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:13,854 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:13,855 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 7007 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7014 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:13,855 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7014 Valid, 7332 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 16:34:13,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:13,870 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:13,872 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)
[2024-11-18 16:34:13,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3829 transitions.
[2024-11-18 16:34:13,874 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3829 transitions. Word has length 616
[2024-11-18 16:34:13,874 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:13,874 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3829 transitions.
[2024-11-18 16:34:13,875 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)
[2024-11-18 16:34:13,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3829 transitions.
[2024-11-18 16:34:13,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 618
[2024-11-18 16:34:13,877 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:13,878 INFO  L215           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]
[2024-11-18 16:34:13,878 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-18 16:34:13,878 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:13,878 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:13,878 INFO  L85        PathProgramCache]: Analyzing trace with hash 2143915055, now seen corresponding path program 1 times
[2024-11-18 16:34:13,878 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:13,879 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470055243]
[2024-11-18 16:34:13,879 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:13,879 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:14,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:14,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:14,940 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:14,940 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470055243]
[2024-11-18 16:34:14,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470055243] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:14,940 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:14,940 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:14,940 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045766713]
[2024-11-18 16:34:14,941 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:14,941 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:14,942 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:14,942 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:14,942 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:14,943 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)
[2024-11-18 16:34:15,254 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:15,254 INFO  L93              Difference]: Finished difference Result 4572 states and 6810 transitions.
[2024-11-18 16:34:15,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:15,255 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
[2024-11-18 16:34:15,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:15,258 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:15,258 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:15,261 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:15,261 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 6999 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7006 SdHoareTripleChecker+Valid, 7332 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:15,261 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7006 Valid, 7332 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:15,264 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:15,281 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:15,283 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)
[2024-11-18 16:34:15,286 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3828 transitions.
[2024-11-18 16:34:15,286 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3828 transitions. Word has length 617
[2024-11-18 16:34:15,287 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:15,287 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3828 transitions.
[2024-11-18 16:34:15,287 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)
[2024-11-18 16:34:15,287 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3828 transitions.
[2024-11-18 16:34:15,291 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 619
[2024-11-18 16:34:15,291 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:15,291 INFO  L215           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]
[2024-11-18 16:34:15,291 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-18 16:34:15,291 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:15,292 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:15,292 INFO  L85        PathProgramCache]: Analyzing trace with hash -2076118924, now seen corresponding path program 1 times
[2024-11-18 16:34:15,292 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:15,292 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290434127]
[2024-11-18 16:34:15,292 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:15,293 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:15,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:16,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:16,436 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:16,436 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290434127]
[2024-11-18 16:34:16,436 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290434127] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:16,436 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:16,436 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:16,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727113320]
[2024-11-18 16:34:16,437 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:16,438 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:16,438 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:16,439 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:16,439 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:16,439 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)
[2024-11-18 16:34:16,774 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:16,774 INFO  L93              Difference]: Finished difference Result 4572 states and 6808 transitions.
[2024-11-18 16:34:16,775 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:16,775 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
[2024-11-18 16:34:16,775 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:16,778 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:16,778 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:16,779 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:16,780 INFO  L432           NwaCegarLoop]: 3665 mSDtfsCounter, 3686 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3693 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:16,780 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3693 Valid, 7343 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 16:34:16,782 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:16,796 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:16,799 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)
[2024-11-18 16:34:16,801 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3827 transitions.
[2024-11-18 16:34:16,801 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3827 transitions. Word has length 618
[2024-11-18 16:34:16,801 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:16,802 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3827 transitions.
[2024-11-18 16:34:16,802 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)
[2024-11-18 16:34:16,802 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3827 transitions.
[2024-11-18 16:34:16,804 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 620
[2024-11-18 16:34:16,805 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:16,805 INFO  L215           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]
[2024-11-18 16:34:16,805 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-18 16:34:16,805 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:16,805 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:16,806 INFO  L85        PathProgramCache]: Analyzing trace with hash 267934070, now seen corresponding path program 1 times
[2024-11-18 16:34:16,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:16,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597251827]
[2024-11-18 16:34:16,806 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:16,806 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:17,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:18,423 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:18,423 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:18,423 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597251827]
[2024-11-18 16:34:18,423 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597251827] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:18,423 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:18,424 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 16:34:18,424 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420288876]
[2024-11-18 16:34:18,424 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:18,424 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 16:34:18,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:18,425 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 16:34:18,425 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 16:34:18,426 INFO  L87              Difference]: Start difference. First operand 2569 states and 3827 transitions. Second operand  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 1 states have call successors, (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)
[2024-11-18 16:34:18,985 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:18,987 INFO  L93              Difference]: Finished difference Result 4572 states and 6806 transitions.
[2024-11-18 16:34:18,987 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:18,987 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 1 states have call successors, (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
[2024-11-18 16:34:18,988 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:18,990 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:18,990 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:18,992 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:18,993 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 3385 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3385 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:18,993 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3385 Valid, 6980 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-18 16:34:18,995 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:19,008 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:19,009 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)
[2024-11-18 16:34:19,011 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3826 transitions.
[2024-11-18 16:34:19,011 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3826 transitions. Word has length 619
[2024-11-18 16:34:19,012 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:19,012 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3826 transitions.
[2024-11-18 16:34:19,012 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 1 states have call successors, (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)
[2024-11-18 16:34:19,013 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3826 transitions.
[2024-11-18 16:34:19,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 621
[2024-11-18 16:34:19,015 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:19,015 INFO  L215           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]
[2024-11-18 16:34:19,016 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-18 16:34:19,016 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:19,016 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:19,016 INFO  L85        PathProgramCache]: Analyzing trace with hash -1261747196, now seen corresponding path program 1 times
[2024-11-18 16:34:19,016 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:19,016 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253597938]
[2024-11-18 16:34:19,016 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:19,017 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:19,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:20,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:20,390 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:20,390 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253597938]
[2024-11-18 16:34:20,390 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253597938] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:20,390 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:20,391 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:20,391 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455832301]
[2024-11-18 16:34:20,391 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:20,391 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:20,391 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:20,393 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:20,393 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:20,393 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)
[2024-11-18 16:34:20,854 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:20,854 INFO  L93              Difference]: Finished difference Result 4590 states and 6830 transitions.
[2024-11-18 16:34:20,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-18 16:34:20,855 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
[2024-11-18 16:34:20,856 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:20,859 INFO  L225             Difference]: With dead ends: 4590
[2024-11-18 16:34:20,859 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:20,862 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-18 16:34:20,862 INFO  L432           NwaCegarLoop]: 3805 mSDtfsCounter, 3420 mSDsluCounter, 7302 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 11107 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:20,863 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3420 Valid, 11107 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:20,865 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:20,885 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:20,887 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)
[2024-11-18 16:34:20,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3825 transitions.
[2024-11-18 16:34:20,890 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3825 transitions. Word has length 620
[2024-11-18 16:34:20,890 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:20,890 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3825 transitions.
[2024-11-18 16:34:20,891 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)
[2024-11-18 16:34:20,891 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3825 transitions.
[2024-11-18 16:34:20,895 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 622
[2024-11-18 16:34:20,895 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:20,895 INFO  L215           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]
[2024-11-18 16:34:20,895 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-18 16:34:20,896 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:20,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:20,896 INFO  L85        PathProgramCache]: Analyzing trace with hash -1158400971, now seen corresponding path program 1 times
[2024-11-18 16:34:20,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:20,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974172773]
[2024-11-18 16:34:20,897 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:20,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:21,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:22,045 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:22,046 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:22,046 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974172773]
[2024-11-18 16:34:22,046 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974172773] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:22,046 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:22,046 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:22,046 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461112666]
[2024-11-18 16:34:22,046 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:22,047 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:22,047 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:22,048 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:22,048 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:22,048 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)
[2024-11-18 16:34:22,505 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:22,505 INFO  L93              Difference]: Finished difference Result 4572 states and 6802 transitions.
[2024-11-18 16:34:22,505 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:22,505 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
[2024-11-18 16:34:22,506 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:22,508 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:22,508 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:22,510 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:22,510 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 7197 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7204 SdHoareTripleChecker+Valid, 6980 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
[2024-11-18 16:34:22,511 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7204 Valid, 6980 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:22,513 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:22,528 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:22,530 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)
[2024-11-18 16:34:22,532 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3824 transitions.
[2024-11-18 16:34:22,532 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3824 transitions. Word has length 621
[2024-11-18 16:34:22,533 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:22,533 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3824 transitions.
[2024-11-18 16:34:22,533 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)
[2024-11-18 16:34:22,533 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3824 transitions.
[2024-11-18 16:34:22,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 623
[2024-11-18 16:34:22,536 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:22,536 INFO  L215           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]
[2024-11-18 16:34:22,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-18 16:34:22,536 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:22,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:22,537 INFO  L85        PathProgramCache]: Analyzing trace with hash -1191563683, now seen corresponding path program 1 times
[2024-11-18 16:34:22,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:22,538 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528460143]
[2024-11-18 16:34:22,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:22,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:22,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:23,721 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:23,722 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:23,722 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528460143]
[2024-11-18 16:34:23,722 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528460143] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:23,722 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:23,722 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:23,722 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419445799]
[2024-11-18 16:34:23,722 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:23,723 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:23,723 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:23,724 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:23,724 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:23,724 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)
[2024-11-18 16:34:24,254 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:24,254 INFO  L93              Difference]: Finished difference Result 4572 states and 6800 transitions.
[2024-11-18 16:34:24,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:24,255 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
[2024-11-18 16:34:24,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:24,257 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:24,257 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:24,259 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:24,259 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 3797 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 6991 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:24,260 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 6991 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-18 16:34:24,262 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:24,274 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:24,275 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)
[2024-11-18 16:34:24,277 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3823 transitions.
[2024-11-18 16:34:24,277 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3823 transitions. Word has length 622
[2024-11-18 16:34:24,278 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:24,278 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3823 transitions.
[2024-11-18 16:34:24,278 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)
[2024-11-18 16:34:24,278 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3823 transitions.
[2024-11-18 16:34:24,281 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 624
[2024-11-18 16:34:24,281 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:24,281 INFO  L215           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]
[2024-11-18 16:34:24,281 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-18 16:34:24,281 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:24,282 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:24,282 INFO  L85        PathProgramCache]: Analyzing trace with hash -806217810, now seen corresponding path program 1 times
[2024-11-18 16:34:24,282 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:24,282 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973054746]
[2024-11-18 16:34:24,282 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:24,282 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:24,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:25,310 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:25,311 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:25,311 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973054746]
[2024-11-18 16:34:25,311 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973054746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:25,311 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:25,311 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:25,311 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183352122]
[2024-11-18 16:34:25,311 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:25,312 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:25,312 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:25,312 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:25,312 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:25,313 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)
[2024-11-18 16:34:25,781 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:25,781 INFO  L93              Difference]: Finished difference Result 4572 states and 6798 transitions.
[2024-11-18 16:34:25,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:25,782 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
[2024-11-18 16:34:25,782 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:25,785 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:25,785 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:25,787 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:25,787 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 3793 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3800 SdHoareTripleChecker+Valid, 6991 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:25,787 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3800 Valid, 6991 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:25,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:25,802 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:25,804 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)
[2024-11-18 16:34:25,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3822 transitions.
[2024-11-18 16:34:25,806 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3822 transitions. Word has length 623
[2024-11-18 16:34:25,806 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:25,807 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3822 transitions.
[2024-11-18 16:34:25,807 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)
[2024-11-18 16:34:25,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3822 transitions.
[2024-11-18 16:34:25,809 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 625
[2024-11-18 16:34:25,810 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:25,810 INFO  L215           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]
[2024-11-18 16:34:25,810 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-18 16:34:25,810 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:25,810 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:25,811 INFO  L85        PathProgramCache]: Analyzing trace with hash 437076278, now seen corresponding path program 1 times
[2024-11-18 16:34:25,811 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:25,811 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152581465]
[2024-11-18 16:34:25,811 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:25,811 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:26,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:26,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:26,810 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:26,810 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152581465]
[2024-11-18 16:34:26,810 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152581465] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:26,810 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:26,810 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:26,810 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673997837]
[2024-11-18 16:34:26,810 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:26,811 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:26,811 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:26,812 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:26,812 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:26,812 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)
[2024-11-18 16:34:27,293 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:27,294 INFO  L93              Difference]: Finished difference Result 4572 states and 6796 transitions.
[2024-11-18 16:34:27,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:27,295 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
[2024-11-18 16:34:27,295 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:27,297 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:27,297 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:27,299 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:27,300 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 3789 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3796 SdHoareTripleChecker+Valid, 6991 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:27,300 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3796 Valid, 6991 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:27,302 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:27,321 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:27,324 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)
[2024-11-18 16:34:27,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3821 transitions.
[2024-11-18 16:34:27,328 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3821 transitions. Word has length 624
[2024-11-18 16:34:27,328 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:27,328 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3821 transitions.
[2024-11-18 16:34:27,329 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)
[2024-11-18 16:34:27,329 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3821 transitions.
[2024-11-18 16:34:27,332 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 626
[2024-11-18 16:34:27,333 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:27,333 INFO  L215           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]
[2024-11-18 16:34:27,333 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-11-18 16:34:27,333 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:27,334 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:27,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 420613031, now seen corresponding path program 1 times
[2024-11-18 16:34:27,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:27,334 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091076590]
[2024-11-18 16:34:27,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:27,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:27,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:28,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:28,516 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:28,516 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091076590]
[2024-11-18 16:34:28,516 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091076590] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:28,516 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:28,516 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:28,516 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815308430]
[2024-11-18 16:34:28,517 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:28,517 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:28,517 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:28,518 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:28,518 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:28,518 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)
[2024-11-18 16:34:29,014 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:29,014 INFO  L93              Difference]: Finished difference Result 4572 states and 6794 transitions.
[2024-11-18 16:34:29,014 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:29,015 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
[2024-11-18 16:34:29,015 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:29,017 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:29,017 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:29,018 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:29,019 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 7165 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7172 SdHoareTripleChecker+Valid, 6980 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
[2024-11-18 16:34:29,019 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7172 Valid, 6980 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:29,021 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:29,032 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:29,033 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)
[2024-11-18 16:34:29,035 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3820 transitions.
[2024-11-18 16:34:29,036 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3820 transitions. Word has length 625
[2024-11-18 16:34:29,036 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:29,036 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3820 transitions.
[2024-11-18 16:34:29,036 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)
[2024-11-18 16:34:29,036 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3820 transitions.
[2024-11-18 16:34:29,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 627
[2024-11-18 16:34:29,039 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:29,039 INFO  L215           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]
[2024-11-18 16:34:29,039 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-11-18 16:34:29,039 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:29,040 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:29,040 INFO  L85        PathProgramCache]: Analyzing trace with hash 267893903, now seen corresponding path program 1 times
[2024-11-18 16:34:29,040 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:29,040 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86542017]
[2024-11-18 16:34:29,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:29,040 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:29,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:30,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:30,155 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:30,155 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86542017]
[2024-11-18 16:34:30,155 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86542017] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:30,155 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:30,155 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:30,155 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728677858]
[2024-11-18 16:34:30,156 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:30,156 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:30,156 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:30,157 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:30,157 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:30,157 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)
[2024-11-18 16:34:30,616 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:30,616 INFO  L93              Difference]: Finished difference Result 4572 states and 6792 transitions.
[2024-11-18 16:34:30,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:30,617 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
[2024-11-18 16:34:30,618 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:30,621 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:30,621 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:30,624 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:30,624 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 3781 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3788 SdHoareTripleChecker+Valid, 6991 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
[2024-11-18 16:34:30,625 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3788 Valid, 6991 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:30,627 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:30,645 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:30,647 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)
[2024-11-18 16:34:30,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3819 transitions.
[2024-11-18 16:34:30,651 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3819 transitions. Word has length 626
[2024-11-18 16:34:30,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:30,651 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3819 transitions.
[2024-11-18 16:34:30,652 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)
[2024-11-18 16:34:30,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3819 transitions.
[2024-11-18 16:34:30,656 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 628
[2024-11-18 16:34:30,656 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:30,656 INFO  L215           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]
[2024-11-18 16:34:30,656 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-18 16:34:30,656 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:30,657 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:30,657 INFO  L85        PathProgramCache]: Analyzing trace with hash 365252640, now seen corresponding path program 1 times
[2024-11-18 16:34:30,657 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:30,658 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096710048]
[2024-11-18 16:34:30,658 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:30,658 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:31,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:31,896 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:31,897 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:31,897 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096710048]
[2024-11-18 16:34:31,897 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096710048] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:31,897 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:31,897 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:31,897 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094308343]
[2024-11-18 16:34:31,897 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:31,898 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:31,898 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:31,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:31,899 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:31,899 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)
[2024-11-18 16:34:32,310 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:32,310 INFO  L93              Difference]: Finished difference Result 4572 states and 6790 transitions.
[2024-11-18 16:34:32,311 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:32,311 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
[2024-11-18 16:34:32,312 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:32,314 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:32,315 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:32,317 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:32,317 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 3777 mSDsluCounter, 3502 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3784 SdHoareTripleChecker+Valid, 6991 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:32,318 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3784 Valid, 6991 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:32,320 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:32,338 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:32,340 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)
[2024-11-18 16:34:32,343 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3818 transitions.
[2024-11-18 16:34:32,343 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3818 transitions. Word has length 627
[2024-11-18 16:34:32,344 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:32,344 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3818 transitions.
[2024-11-18 16:34:32,344 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)
[2024-11-18 16:34:32,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3818 transitions.
[2024-11-18 16:34:32,348 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 629
[2024-11-18 16:34:32,348 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:32,348 INFO  L215           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]
[2024-11-18 16:34:32,349 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-11-18 16:34:32,349 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:32,349 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:32,349 INFO  L85        PathProgramCache]: Analyzing trace with hash -678633368, now seen corresponding path program 1 times
[2024-11-18 16:34:32,350 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:32,350 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795688938]
[2024-11-18 16:34:32,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:32,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:32,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:33,346 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:33,346 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:33,346 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795688938]
[2024-11-18 16:34:33,347 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795688938] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:33,347 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:33,347 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:33,347 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214083657]
[2024-11-18 16:34:33,347 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:33,347 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:33,347 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:33,348 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:33,348 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:33,348 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)
[2024-11-18 16:34:33,802 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:33,803 INFO  L93              Difference]: Finished difference Result 4572 states and 6788 transitions.
[2024-11-18 16:34:33,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:33,803 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
[2024-11-18 16:34:33,804 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:33,806 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:33,806 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:33,808 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:33,808 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 7141 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7148 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:33,808 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7148 Valid, 6980 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:33,814 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:33,840 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:33,843 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)
[2024-11-18 16:34:33,845 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3817 transitions.
[2024-11-18 16:34:33,846 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3817 transitions. Word has length 628
[2024-11-18 16:34:33,846 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:33,846 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3817 transitions.
[2024-11-18 16:34:33,846 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)
[2024-11-18 16:34:33,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3817 transitions.
[2024-11-18 16:34:33,849 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 630
[2024-11-18 16:34:33,849 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:33,853 INFO  L215           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]
[2024-11-18 16:34:33,853 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-11-18 16:34:33,854 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:33,854 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:33,854 INFO  L85        PathProgramCache]: Analyzing trace with hash -824367847, now seen corresponding path program 1 times
[2024-11-18 16:34:33,854 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:33,854 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852822192]
[2024-11-18 16:34:33,854 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:33,854 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:34,293 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:34,981 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:34,981 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:34,982 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852822192]
[2024-11-18 16:34:34,982 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852822192] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:34,982 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:34,982 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:34,982 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114993215]
[2024-11-18 16:34:34,982 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:34,983 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:34,983 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:34,984 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:34,984 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:34,984 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)
[2024-11-18 16:34:35,426 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:35,427 INFO  L93              Difference]: Finished difference Result 4572 states and 6786 transitions.
[2024-11-18 16:34:35,427 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:35,427 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
[2024-11-18 16:34:35,428 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:35,431 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:35,431 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:35,433 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:35,434 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 7127 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7134 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:35,434 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7134 Valid, 6980 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:35,437 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:35,456 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:35,458 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)
[2024-11-18 16:34:35,461 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3816 transitions.
[2024-11-18 16:34:35,461 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3816 transitions. Word has length 629
[2024-11-18 16:34:35,462 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:35,462 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3816 transitions.
[2024-11-18 16:34:35,462 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)
[2024-11-18 16:34:35,463 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3816 transitions.
[2024-11-18 16:34:35,467 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 631
[2024-11-18 16:34:35,467 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:35,467 INFO  L215           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]
[2024-11-18 16:34:35,467 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-11-18 16:34:35,468 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:35,468 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:35,468 INFO  L85        PathProgramCache]: Analyzing trace with hash -267990744, now seen corresponding path program 1 times
[2024-11-18 16:34:35,468 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:35,468 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727709841]
[2024-11-18 16:34:35,469 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:35,469 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:35,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:36,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:36,745 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:36,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727709841]
[2024-11-18 16:34:36,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727709841] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:36,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:36,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:36,746 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458711909]
[2024-11-18 16:34:36,746 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:36,747 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:36,747 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:36,747 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:36,747 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:36,748 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)
[2024-11-18 16:34:37,224 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:37,225 INFO  L93              Difference]: Finished difference Result 4572 states and 6784 transitions.
[2024-11-18 16:34:37,225 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:37,225 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
[2024-11-18 16:34:37,226 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:37,228 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:37,228 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:37,230 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:37,231 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 7119 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7126 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:37,231 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7126 Valid, 6980 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:37,233 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:37,247 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:37,249 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)
[2024-11-18 16:34:37,251 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3815 transitions.
[2024-11-18 16:34:37,252 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3815 transitions. Word has length 630
[2024-11-18 16:34:37,252 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:37,252 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3815 transitions.
[2024-11-18 16:34:37,253 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)
[2024-11-18 16:34:37,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3815 transitions.
[2024-11-18 16:34:37,255 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 632
[2024-11-18 16:34:37,255 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:37,256 INFO  L215           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]
[2024-11-18 16:34:37,256 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-11-18 16:34:37,256 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:37,256 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:37,256 INFO  L85        PathProgramCache]: Analyzing trace with hash 1923248416, now seen corresponding path program 1 times
[2024-11-18 16:34:37,257 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:37,257 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080799444]
[2024-11-18 16:34:37,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:37,257 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:37,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 16:34:38,302 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-18 16:34:38,302 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 16:34:38,302 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080799444]
[2024-11-18 16:34:38,302 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080799444] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 16:34:38,303 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 16:34:38,303 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 16:34:38,303 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775827069]
[2024-11-18 16:34:38,303 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 16:34:38,303 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 16:34:38,303 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 16:34:38,304 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 16:34:38,304 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 16:34:38,304 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)
[2024-11-18 16:34:38,744 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 16:34:38,744 INFO  L93              Difference]: Finished difference Result 4572 states and 6782 transitions.
[2024-11-18 16:34:38,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 16:34:38,745 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
[2024-11-18 16:34:38,745 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 16:34:38,747 INFO  L225             Difference]: With dead ends: 4572
[2024-11-18 16:34:38,747 INFO  L226             Difference]: Without dead ends: 2569
[2024-11-18 16:34:38,748 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 16:34:38,749 INFO  L432           NwaCegarLoop]: 3489 mSDtfsCounter, 7111 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7118 SdHoareTripleChecker+Valid, 6980 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 16:34:38,749 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7118 Valid, 6980 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 16:34:38,750 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2569 states.
[2024-11-18 16:34:38,767 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2569.
[2024-11-18 16:34:38,768 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)
[2024-11-18 16:34:38,770 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3814 transitions.
[2024-11-18 16:34:38,771 INFO  L78                 Accepts]: Start accepts. Automaton has 2569 states and 3814 transitions. Word has length 631
[2024-11-18 16:34:38,771 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 16:34:38,771 INFO  L471      AbstractCegarLoop]: Abstraction has 2569 states and 3814 transitions.
[2024-11-18 16:34:38,771 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)
[2024-11-18 16:34:38,771 INFO  L276                IsEmpty]: Start isEmpty. Operand 2569 states and 3814 transitions.
[2024-11-18 16:34:38,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 633
[2024-11-18 16:34:38,774 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 16:34:38,774 INFO  L215           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]
[2024-11-18 16:34:38,774 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-11-18 16:34:38,775 INFO  L396      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 16:34:38,775 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 16:34:38,775 INFO  L85        PathProgramCache]: Analyzing trace with hash 70709263, now seen corresponding path program 1 times
[2024-11-18 16:34:38,775 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 16:34:38,775 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065926625]
[2024-11-18 16:34:38,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 16:34:38,776 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 16:34:39,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat