./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 4a390ef5
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.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 9f2e151467712439fbe703af9ec3366b3ad3af70f273689a921aa43f56052325
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4a390ef-m
[2024-10-24 04:56:29,079 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-24 04:56:29,162 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-10-24 04:56:29,166 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-24 04:56:29,167 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-24 04:56:29,202 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-24 04:56:29,203 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-24 04:56:29,203 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-24 04:56:29,204 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-24 04:56:29,205 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-24 04:56:29,206 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-24 04:56:29,206 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-24 04:56:29,207 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-24 04:56:29,207 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-24 04:56:29,209 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-24 04:56:29,209 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-24 04:56:29,209 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-24 04:56:29,210 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-24 04:56:29,210 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-24 04:56:29,210 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-24 04:56:29,210 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-24 04:56:29,211 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-24 04:56:29,213 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-24 04:56:29,214 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-24 04:56:29,214 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-24 04:56:29,214 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-24 04:56:29,214 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-24 04:56:29,214 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-24 04:56:29,215 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-24 04:56:29,215 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 04:56:29,215 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-24 04:56:29,215 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-24 04:56:29,215 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-24 04:56:29,215 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-24 04:56:29,216 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-24 04:56:29,216 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-24 04:56:29,216 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-24 04:56:29,217 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-24 04:56:29,217 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-24 04:56:29,218 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 -> 9f2e151467712439fbe703af9ec3366b3ad3af70f273689a921aa43f56052325
[2024-10-24 04:56:29,470 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-24 04:56:29,491 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-24 04:56:29,494 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-24 04:56:29,495 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-24 04:56:29,495 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-24 04:56:29,496 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c
[2024-10-24 04:56:30,927 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-24 04:56:31,335 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-24 04:56:31,337 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c
[2024-10-24 04:56:31,372 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80569fa30/953e8beaf3354ca3b0b97eac3effebd1/FLAG46248462b
[2024-10-24 04:56:31,389 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80569fa30/953e8beaf3354ca3b0b97eac3effebd1
[2024-10-24 04:56:31,391 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-24 04:56:31,394 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-24 04:56:31,397 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-24 04:56:31,397 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-24 04:56:31,403 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-24 04:56:31,404 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:56:31" (1/1) ...
[2024-10-24 04:56:31,406 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5a11c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:31, skipping insertion in model container
[2024-10-24 04:56:31,406 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:56:31" (1/1) ...
[2024-10-24 04:56:31,514 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-24 04:56:31,785 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c[1178,1191]
[2024-10-24 04:56:32,526 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 04:56:32,538 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-24 04:56:32,549 WARN  L248   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.7.prop1-back-serstep.c[1178,1191]
[2024-10-24 04:56:33,130 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-24 04:56:33,149 INFO  L204         MainTranslator]: Completed translation
[2024-10-24 04:56:33,149 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33 WrapperNode
[2024-10-24 04:56:33,149 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-24 04:56:33,150 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-24 04:56:33,151 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-24 04:56:33,151 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-24 04:56:33,158 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:33,353 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:35,306 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19618
[2024-10-24 04:56:35,307 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-24 04:56:35,307 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-24 04:56:35,307 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-24 04:56:35,308 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-24 04:56:35,319 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:35,319 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:35,934 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:36,253 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-10-24 04:56:36,254 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:36,254 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:36,842 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:36,944 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:37,036 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:37,216 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:37,474 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-24 04:56:37,475 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-24 04:56:37,475 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-24 04:56:37,476 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-24 04:56:37,476 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (1/1) ...
[2024-10-24 04:56:37,481 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-24 04:56:37,494 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-24 04:56:37,511 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-24 04:56:37,517 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-24 04:56:37,565 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-24 04:56:37,565 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-24 04:56:37,565 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-24 04:56:37,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-24 04:56:38,565 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-24 04:56:38,567 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-24 04:57:19,162 INFO  L?                        ?]: Removed 10903 outVars from TransFormulas that were not future-live.
[2024-10-24 04:57:19,163 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-24 04:57:19,462 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-24 04:57:19,462 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-24 04:57:19,463 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:57:19 BoogieIcfgContainer
[2024-10-24 04:57:19,463 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-24 04:57:19,465 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-24 04:57:19,466 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-24 04:57:19,469 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-24 04:57:19,469 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:56:31" (1/3) ...
[2024-10-24 04:57:19,470 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d079fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:57:19, skipping insertion in model container
[2024-10-24 04:57:19,470 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:56:33" (2/3) ...
[2024-10-24 04:57:19,470 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d079fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:57:19, skipping insertion in model container
[2024-10-24 04:57:19,470 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:57:19" (3/3) ...
[2024-10-24 04:57:19,472 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.train-gate.7.prop1-back-serstep.c
[2024-10-24 04:57:19,488 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-24 04:57:19,489 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-24 04:57:19,643 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-24 04:57:19,649 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;@44e377cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-24 04:57:19,650 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-24 04:57:19,672 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6691 states, 6689 states have (on average 1.5000747495888773) internal successors, (10034), 6690 states have internal predecessors, (10034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:19,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 705
[2024-10-24 04:57:19,710 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:57:19,711 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:57:19,712 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:57:19,717 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:57:19,718 INFO  L85        PathProgramCache]: Analyzing trace with hash -1524622627, now seen corresponding path program 1 times
[2024-10-24 04:57:19,728 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:57:19,728 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001203843]
[2024-10-24 04:57:19,729 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:57:19,729 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:57:20,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:57:23,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:57:23,402 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:57:23,402 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001203843]
[2024-10-24 04:57:23,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001203843] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:57:23,403 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:57:23,404 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 04:57:23,405 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358337623]
[2024-10-24 04:57:23,406 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:57:23,412 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 04:57:23,413 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:57:23,441 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 04:57:23,442 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 04:57:23,459 INFO  L87              Difference]: Start difference. First operand  has 6691 states, 6689 states have (on average 1.5000747495888773) internal successors, (10034), 6690 states have internal predecessors, (10034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 5 states, 5 states have (on average 140.8) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:30,454 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:57:30,454 INFO  L93              Difference]: Finished difference Result 19193 states and 28786 transitions.
[2024-10-24 04:57:30,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 04:57:30,457 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 140.8) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 704
[2024-10-24 04:57:30,459 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:57:30,527 INFO  L225             Difference]: With dead ends: 19193
[2024-10-24 04:57:30,527 INFO  L226             Difference]: Without dead ends: 12835
[2024-10-24 04:57:30,547 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-10-24 04:57:30,551 INFO  L432           NwaCegarLoop]: 7585 mSDtfsCounter, 9258 mSDsluCounter, 22514 mSDsCounter, 0 mSdLazyCounter, 9530 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9258 SdHoareTripleChecker+Valid, 30099 SdHoareTripleChecker+Invalid, 9531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time
[2024-10-24 04:57:30,553 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9258 Valid, 30099 Invalid, 9531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9530 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time]
[2024-10-24 04:57:30,591 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12835 states.
[2024-10-24 04:57:30,818 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12835 to 7269.
[2024-10-24 04:57:30,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7269 states, 7268 states have (on average 1.4995872317006054) internal successors, (10899), 7268 states have internal predecessors, (10899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:30,853 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7269 states to 7269 states and 10899 transitions.
[2024-10-24 04:57:30,855 INFO  L78                 Accepts]: Start accepts. Automaton has 7269 states and 10899 transitions. Word has length 704
[2024-10-24 04:57:30,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:57:30,860 INFO  L471      AbstractCegarLoop]: Abstraction has 7269 states and 10899 transitions.
[2024-10-24 04:57:30,861 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 140.8) internal successors, (704), 4 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:30,861 INFO  L276                IsEmpty]: Start isEmpty. Operand 7269 states and 10899 transitions.
[2024-10-24 04:57:30,878 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 707
[2024-10-24 04:57:30,878 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:57:30,879 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:57:30,879 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-24 04:57:30,880 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:57:30,880 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:57:30,881 INFO  L85        PathProgramCache]: Analyzing trace with hash -1156130342, now seen corresponding path program 1 times
[2024-10-24 04:57:30,881 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:57:30,882 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333467720]
[2024-10-24 04:57:30,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:57:30,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:57:31,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:57:32,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:57:32,894 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:57:32,894 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333467720]
[2024-10-24 04:57:32,894 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333467720] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:57:32,895 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:57:32,895 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 04:57:32,895 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404882735]
[2024-10-24 04:57:32,896 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:57:32,897 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-24 04:57:32,898 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:57:32,898 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-24 04:57:32,899 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 04:57:32,899 INFO  L87              Difference]: Start difference. First operand 7269 states and 10899 transitions. Second operand  has 4 states, 4 states have (on average 176.5) internal successors, (706), 4 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:33,050 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:57:33,051 INFO  L93              Difference]: Finished difference Result 7273 states and 10903 transitions.
[2024-10-24 04:57:33,052 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-24 04:57:33,052 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 176.5) internal successors, (706), 4 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 706
[2024-10-24 04:57:33,054 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:57:33,077 INFO  L225             Difference]: With dead ends: 7273
[2024-10-24 04:57:33,077 INFO  L226             Difference]: Without dead ends: 7271
[2024-10-24 04:57:33,083 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
[2024-10-24 04:57:33,084 INFO  L432           NwaCegarLoop]: 10029 mSDtfsCounter, 0 mSDsluCounter, 20053 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30082 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 04:57:33,085 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30082 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 04:57:33,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7271 states.
[2024-10-24 04:57:33,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 7271.
[2024-10-24 04:57:33,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7271 states, 7270 states have (on average 1.4994497936726272) internal successors, (10901), 7270 states have internal predecessors, (10901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:33,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7271 states to 7271 states and 10901 transitions.
[2024-10-24 04:57:33,221 INFO  L78                 Accepts]: Start accepts. Automaton has 7271 states and 10901 transitions. Word has length 706
[2024-10-24 04:57:33,222 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:57:33,222 INFO  L471      AbstractCegarLoop]: Abstraction has 7271 states and 10901 transitions.
[2024-10-24 04:57:33,223 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 176.5) internal successors, (706), 4 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:33,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 7271 states and 10901 transitions.
[2024-10-24 04:57:33,358 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 708
[2024-10-24 04:57:33,359 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:57:33,359 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:57:33,360 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-24 04:57:33,360 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:57:33,361 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:57:33,361 INFO  L85        PathProgramCache]: Analyzing trace with hash -1478602531, now seen corresponding path program 1 times
[2024-10-24 04:57:33,361 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:57:33,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528046996]
[2024-10-24 04:57:33,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:57:33,362 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:57:33,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:57:34,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:57:34,492 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:57:34,493 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528046996]
[2024-10-24 04:57:34,493 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528046996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:57:34,493 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:57:34,493 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 04:57:34,494 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501472313]
[2024-10-24 04:57:34,494 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:57:34,495 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-24 04:57:34,495 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:57:34,496 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-24 04:57:34,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 04:57:34,501 INFO  L87              Difference]: Start difference. First operand 7271 states and 10901 transitions. Second operand  has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:34,676 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:57:34,677 INFO  L93              Difference]: Finished difference Result 13632 states and 20439 transitions.
[2024-10-24 04:57:34,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-24 04:57:34,678 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 707
[2024-10-24 04:57:34,679 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:57:34,713 INFO  L225             Difference]: With dead ends: 13632
[2024-10-24 04:57:34,713 INFO  L226             Difference]: Without dead ends: 7273
[2024-10-24 04:57:34,724 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-24 04:57:34,727 INFO  L432           NwaCegarLoop]: 10029 mSDtfsCounter, 0 mSDsluCounter, 20050 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30079 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-24 04:57:34,728 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30079 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-24 04:57:34,741 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7273 states.
[2024-10-24 04:57:34,838 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7273 to 7273.
[2024-10-24 04:57:34,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7273 states, 7272 states have (on average 1.4993124312431243) internal successors, (10903), 7272 states have internal predecessors, (10903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:34,868 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7273 states to 7273 states and 10903 transitions.
[2024-10-24 04:57:34,869 INFO  L78                 Accepts]: Start accepts. Automaton has 7273 states and 10903 transitions. Word has length 707
[2024-10-24 04:57:34,870 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:57:34,870 INFO  L471      AbstractCegarLoop]: Abstraction has 7273 states and 10903 transitions.
[2024-10-24 04:57:34,871 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 176.75) internal successors, (707), 4 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:34,872 INFO  L276                IsEmpty]: Start isEmpty. Operand 7273 states and 10903 transitions.
[2024-10-24 04:57:34,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 709
[2024-10-24 04:57:34,878 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:57:34,880 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:57:34,880 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-24 04:57:34,881 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:57:34,881 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:57:34,881 INFO  L85        PathProgramCache]: Analyzing trace with hash 310000403, now seen corresponding path program 1 times
[2024-10-24 04:57:34,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:57:34,882 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73399183]
[2024-10-24 04:57:34,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:57:34,882 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-24 04:57:35,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-24 04:57:36,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-24 04:57:36,273 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-24 04:57:36,274 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73399183]
[2024-10-24 04:57:36,274 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73399183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-24 04:57:36,274 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-24 04:57:36,274 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-24 04:57:36,274 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441350762]
[2024-10-24 04:57:36,274 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-24 04:57:36,275 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-24 04:57:36,275 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-24 04:57:36,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-24 04:57:36,276 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-24 04:57:36,277 INFO  L87              Difference]: Start difference. First operand 7273 states and 10903 transitions. Second operand  has 5 states, 5 states have (on average 141.6) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:36,545 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-24 04:57:36,546 INFO  L93              Difference]: Finished difference Result 19398 states and 29083 transitions.
[2024-10-24 04:57:36,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-24 04:57:36,547 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 141.6) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 708
[2024-10-24 04:57:36,548 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-24 04:57:36,578 INFO  L225             Difference]: With dead ends: 19398
[2024-10-24 04:57:36,578 INFO  L226             Difference]: Without dead ends: 13037
[2024-10-24 04:57:36,591 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-10-24 04:57:36,594 INFO  L432           NwaCegarLoop]: 10027 mSDtfsCounter, 9308 mSDsluCounter, 29579 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9308 SdHoareTripleChecker+Valid, 39606 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-24 04:57:36,595 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9308 Valid, 39606 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-24 04:57:36,612 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13037 states.
[2024-10-24 04:57:36,757 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13037 to 7756.
[2024-10-24 04:57:36,769 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7756 states, 7755 states have (on average 1.4991618310767247) internal successors, (11626), 7755 states have internal predecessors, (11626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:36,780 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 11626 transitions.
[2024-10-24 04:57:36,781 INFO  L78                 Accepts]: Start accepts. Automaton has 7756 states and 11626 transitions. Word has length 708
[2024-10-24 04:57:36,782 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-24 04:57:36,783 INFO  L471      AbstractCegarLoop]: Abstraction has 7756 states and 11626 transitions.
[2024-10-24 04:57:36,783 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 141.6) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-24 04:57:36,783 INFO  L276                IsEmpty]: Start isEmpty. Operand 7756 states and 11626 transitions.
[2024-10-24 04:57:36,869 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3888
[2024-10-24 04:57:36,870 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-24 04:57:36,872 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-24 04:57:36,873 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-24 04:57:36,873 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-24 04:57:36,873 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-24 04:57:36,875 INFO  L85        PathProgramCache]: Analyzing trace with hash -1467627598, now seen corresponding path program 1 times
[2024-10-24 04:57:36,875 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-24 04:57:36,875 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142897725]
[2024-10-24 04:57:36,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-24 04:57:36,876 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms