./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.msmie.1.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 8be7027f
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.msmie.1.prop1-func-interl.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 aaf36323b665206e30da45bccd432ddbe4c6e86ee22fad4b00b92ff40b799b0e
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-12 00:20:04,105 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-12 00:20:04,182 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-12 00:20:04,191 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-12 00:20:04,194 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-12 00:20:04,228 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-12 00:20:04,230 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-12 00:20:04,231 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-12 00:20:04,231 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-12 00:20:04,232 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-12 00:20:04,232 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-12 00:20:04,232 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-12 00:20:04,234 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-12 00:20:04,237 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-12 00:20:04,237 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-12 00:20:04,238 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-12 00:20:04,238 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-12 00:20:04,238 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-12 00:20:04,239 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-12 00:20:04,239 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-12 00:20:04,239 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-12 00:20:04,244 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-12 00:20:04,244 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-12 00:20:04,244 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-12 00:20:04,244 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-12 00:20:04,245 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-12 00:20:04,245 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-12 00:20:04,245 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-12 00:20:04,245 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-12 00:20:04,246 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:20:04,246 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-12 00:20:04,246 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-12 00:20:04,246 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-12 00:20:04,247 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-12 00:20:04,247 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-12 00:20:04,251 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-12 00:20:04,252 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-12 00:20:04,252 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-12 00:20:04,252 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-12 00:20:04,252 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 -> aaf36323b665206e30da45bccd432ddbe4c6e86ee22fad4b00b92ff40b799b0e
[2024-11-12 00:20:04,489 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-12 00:20:04,512 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-12 00:20:04,514 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-12 00:20:04,516 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-12 00:20:04,517 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-12 00:20:04,518 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.msmie.1.prop1-func-interl.c
[2024-11-12 00:20:06,073 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-12 00:20:06,497 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-12 00:20:06,498 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.msmie.1.prop1-func-interl.c
[2024-11-12 00:20:06,529 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e30ffe39/f9f7e08508114f469b44b1f64d57519a/FLAGc67c3e540
[2024-11-12 00:20:06,545 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e30ffe39/f9f7e08508114f469b44b1f64d57519a
[2024-11-12 00:20:06,548 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-12 00:20:06,549 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-12 00:20:06,551 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-12 00:20:06,551 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-12 00:20:06,558 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-12 00:20:06,558 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:20:06" (1/1) ...
[2024-11-12 00:20:06,559 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1950120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:06, skipping insertion in model container
[2024-11-12 00:20:06,560 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:20:06" (1/1) ...
[2024-11-12 00:20:06,661 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-12 00:20:06,935 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.msmie.1.prop1-func-interl.c[1172,1185]
[2024-11-12 00:20:07,692 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:20:07,705 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-12 00:20:07,720 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.msmie.1.prop1-func-interl.c[1172,1185]
[2024-11-12 00:20:08,063 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:20:08,082 INFO  L204         MainTranslator]: Completed translation
[2024-11-12 00:20:08,083 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08 WrapperNode
[2024-11-12 00:20:08,083 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-12 00:20:08,084 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-12 00:20:08,084 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-12 00:20:08,085 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-12 00:20:08,093 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:08,261 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:10,368 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13866
[2024-11-12 00:20:10,369 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-12 00:20:10,370 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-12 00:20:10,370 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-12 00:20:10,377 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-12 00:20:10,395 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:10,396 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:10,895 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:11,331 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].
[2024-11-12 00:20:11,331 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:11,332 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:12,345 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:12,491 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:12,626 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:12,771 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:13,350 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-12 00:20:13,352 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-12 00:20:13,352 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-12 00:20:13,352 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-12 00:20:13,354 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (1/1) ...
[2024-11-12 00:20:13,362 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:20:13,386 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 00:20:13,426 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)
[2024-11-12 00:20:13,442 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
[2024-11-12 00:20:13,518 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-12 00:20:13,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-12 00:20:13,519 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-12 00:20:13,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-12 00:20:14,391 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-12 00:20:14,394 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-12 00:20:36,095 INFO  L?                        ?]: Removed 7836 outVars from TransFormulas that were not future-live.
[2024-11-12 00:20:36,095 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-12 00:20:36,189 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-12 00:20:36,190 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-12 00:20:36,191 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:20:36 BoogieIcfgContainer
[2024-11-12 00:20:36,192 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-12 00:20:36,194 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-12 00:20:36,196 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-12 00:20:36,199 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-12 00:20:36,199 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:20:06" (1/3) ...
[2024-11-12 00:20:36,200 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6e01ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:20:36, skipping insertion in model container
[2024-11-12 00:20:36,200 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:20:08" (2/3) ...
[2024-11-12 00:20:36,201 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6e01ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:20:36, skipping insertion in model container
[2024-11-12 00:20:36,202 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:20:36" (3/3) ...
[2024-11-12 00:20:36,204 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.msmie.1.prop1-func-interl.c
[2024-11-12 00:20:36,222 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-12 00:20:36,223 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-12 00:20:36,391 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-12 00:20:36,398 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;@6f758996, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-12 00:20:36,398 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-12 00:20:36,421 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4946 states, 4944 states have (on average 1.5002022653721683) internal successors, (7417), 4945 states have internal predecessors, (7417), 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)
[2024-11-12 00:20:36,442 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 226
[2024-11-12 00:20:36,442 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:20:36,443 INFO  L218           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]
[2024-11-12 00:20:36,444 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:20:36,451 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:20:36,452 INFO  L85        PathProgramCache]: Analyzing trace with hash 172827951, now seen corresponding path program 1 times
[2024-11-12 00:20:36,462 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:20:36,463 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130752903]
[2024-11-12 00:20:36,463 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:20:36,464 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:20:36,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:20:38,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:20:38,284 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:20:38,284 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130752903]
[2024-11-12 00:20:38,286 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130752903] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:20:38,286 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:20:38,286 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:20:38,288 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210921530]
[2024-11-12 00:20:38,289 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:20:38,295 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:20:38,297 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:20:38,327 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:20:38,328 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:20:38,343 INFO  L87              Difference]: Start difference. First operand  has 4946 states, 4944 states have (on average 1.5002022653721683) internal successors, (7417), 4945 states have internal predecessors, (7417), 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 45.0) internal successors, (225), 5 states have internal predecessors, (225), 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)
[2024-11-12 00:20:43,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:20:43,743 INFO  L93              Difference]: Finished difference Result 14448 states and 21673 transitions.
[2024-11-12 00:20:43,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-12 00:20:43,746 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 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 225
[2024-11-12 00:20:43,747 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:20:43,799 INFO  L225             Difference]: With dead ends: 14448
[2024-11-12 00:20:43,799 INFO  L226             Difference]: Without dead ends: 9688
[2024-11-12 00:20:43,821 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-12 00:20:43,826 INFO  L435           NwaCegarLoop]: 5777 mSDtfsCounter, 7178 mSDsluCounter, 17209 mSDsCounter, 0 mSdLazyCounter, 6389 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7178 SdHoareTripleChecker+Valid, 22986 SdHoareTripleChecker+Invalid, 6390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-11-12 00:20:43,827 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7178 Valid, 22986 Invalid, 6390 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 6389 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time]
[2024-11-12 00:20:43,863 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9688 states.
[2024-11-12 00:20:44,068 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9688 to 5190.
[2024-11-12 00:20:44,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5190 states, 5189 states have (on average 1.4997109269608788) internal successors, (7782), 5189 states have internal predecessors, (7782), 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)
[2024-11-12 00:20:44,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 7782 transitions.
[2024-11-12 00:20:44,102 INFO  L78                 Accepts]: Start accepts. Automaton has 5190 states and 7782 transitions. Word has length 225
[2024-11-12 00:20:44,107 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:20:44,107 INFO  L471      AbstractCegarLoop]: Abstraction has 5190 states and 7782 transitions.
[2024-11-12 00:20:44,107 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 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)
[2024-11-12 00:20:44,108 INFO  L276                IsEmpty]: Start isEmpty. Operand 5190 states and 7782 transitions.
[2024-11-12 00:20:44,116 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 228
[2024-11-12 00:20:44,119 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:20:44,119 INFO  L218           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]
[2024-11-12 00:20:44,120 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-12 00:20:44,120 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:20:44,121 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:20:44,122 INFO  L85        PathProgramCache]: Analyzing trace with hash 157011628, now seen corresponding path program 1 times
[2024-11-12 00:20:44,122 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:20:44,122 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168840020]
[2024-11-12 00:20:44,123 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:20:44,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:20:44,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:20:44,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:20:44,817 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:20:44,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168840020]
[2024-11-12 00:20:44,818 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168840020] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:20:44,818 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:20:44,818 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:20:44,818 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623556860]
[2024-11-12 00:20:44,818 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:20:44,821 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:20:44,822 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:20:44,822 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:20:44,824 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:20:44,824 INFO  L87              Difference]: Start difference. First operand 5190 states and 7782 transitions. Second operand  has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 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)
[2024-11-12 00:20:44,943 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:20:44,944 INFO  L93              Difference]: Finished difference Result 5194 states and 7786 transitions.
[2024-11-12 00:20:44,945 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:20:44,945 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 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 227
[2024-11-12 00:20:44,946 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:20:44,966 INFO  L225             Difference]: With dead ends: 5194
[2024-11-12 00:20:44,967 INFO  L226             Difference]: Without dead ends: 5192
[2024-11-12 00:20:44,972 INFO  L434           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
[2024-11-12 00:20:44,974 INFO  L435           NwaCegarLoop]: 7411 mSDtfsCounter, 0 mSDsluCounter, 14816 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22227 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
[2024-11-12 00:20:44,974 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22227 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:20:44,985 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5192 states.
[2024-11-12 00:20:45,076 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5192.
[2024-11-12 00:20:45,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5192 states, 5191 states have (on average 1.499518397225968) internal successors, (7784), 5191 states have internal predecessors, (7784), 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)
[2024-11-12 00:20:45,104 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 7784 transitions.
[2024-11-12 00:20:45,105 INFO  L78                 Accepts]: Start accepts. Automaton has 5192 states and 7784 transitions. Word has length 227
[2024-11-12 00:20:45,107 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:20:45,107 INFO  L471      AbstractCegarLoop]: Abstraction has 5192 states and 7784 transitions.
[2024-11-12 00:20:45,107 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 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)
[2024-11-12 00:20:45,108 INFO  L276                IsEmpty]: Start isEmpty. Operand 5192 states and 7784 transitions.
[2024-11-12 00:20:45,110 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2024-11-12 00:20:45,111 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:20:45,111 INFO  L218           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]
[2024-11-12 00:20:45,111 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-12 00:20:45,112 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:20:45,113 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:20:45,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 574089755, now seen corresponding path program 1 times
[2024-11-12 00:20:45,114 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:20:45,115 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86384879]
[2024-11-12 00:20:45,115 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:20:45,115 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:20:45,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:20:45,540 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:20:45,541 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:20:45,541 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86384879]
[2024-11-12 00:20:45,541 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86384879] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:20:45,541 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:20:45,541 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:20:45,542 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821668908]
[2024-11-12 00:20:45,542 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:20:45,542 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:20:45,543 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:20:45,543 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:20:45,544 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:20:45,544 INFO  L87              Difference]: Start difference. First operand 5192 states and 7784 transitions. Second operand  has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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)
[2024-11-12 00:20:45,680 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:20:45,680 INFO  L93              Difference]: Finished difference Result 9953 states and 14924 transitions.
[2024-11-12 00:20:45,681 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:20:45,681 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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 228
[2024-11-12 00:20:45,682 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:20:45,701 INFO  L225             Difference]: With dead ends: 9953
[2024-11-12 00:20:45,702 INFO  L226             Difference]: Without dead ends: 5194
[2024-11-12 00:20:45,710 INFO  L434           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
[2024-11-12 00:20:45,712 INFO  L435           NwaCegarLoop]: 7411 mSDtfsCounter, 0 mSDsluCounter, 14812 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22223 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
[2024-11-12 00:20:45,713 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22223 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:20:45,723 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5194 states.
[2024-11-12 00:20:45,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5194 to 5194.
[2024-11-12 00:20:45,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5194 states, 5193 states have (on average 1.4993260157904873) internal successors, (7786), 5193 states have internal predecessors, (7786), 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)
[2024-11-12 00:20:45,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 5194 states and 7786 transitions.
[2024-11-12 00:20:45,837 INFO  L78                 Accepts]: Start accepts. Automaton has 5194 states and 7786 transitions. Word has length 228
[2024-11-12 00:20:45,838 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:20:45,838 INFO  L471      AbstractCegarLoop]: Abstraction has 5194 states and 7786 transitions.
[2024-11-12 00:20:45,839 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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)
[2024-11-12 00:20:45,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 5194 states and 7786 transitions.
[2024-11-12 00:20:45,841 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2024-11-12 00:20:45,842 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:20:45,843 INFO  L218           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]
[2024-11-12 00:20:45,843 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-12 00:20:45,846 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:20:45,847 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:20:45,847 INFO  L85        PathProgramCache]: Analyzing trace with hash -481051291, now seen corresponding path program 1 times
[2024-11-12 00:20:45,847 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:20:45,848 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375134954]
[2024-11-12 00:20:45,848 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:20:45,848 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:20:45,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:20:46,384 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:20:46,384 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:20:46,384 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375134954]
[2024-11-12 00:20:46,385 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375134954] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:20:46,385 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:20:46,385 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-12 00:20:46,385 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511651334]
[2024-11-12 00:20:46,385 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:20:46,385 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-12 00:20:46,386 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:20:46,387 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-12 00:20:46,387 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-12 00:20:46,387 INFO  L87              Difference]: Start difference. First operand 5194 states and 7786 transitions. Second operand  has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 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)
[2024-11-12 00:20:46,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:20:46,706 INFO  L93              Difference]: Finished difference Result 13571 states and 20348 transitions.
[2024-11-12 00:20:46,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-12 00:20:46,707 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 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 229
[2024-11-12 00:20:46,707 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:20:46,752 INFO  L225             Difference]: With dead ends: 13571
[2024-11-12 00:20:46,756 INFO  L226             Difference]: Without dead ends: 8810
[2024-11-12 00:20:46,773 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-11-12 00:20:46,774 INFO  L435           NwaCegarLoop]: 7405 mSDtfsCounter, 5853 mSDsluCounter, 29331 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5853 SdHoareTripleChecker+Valid, 36736 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-12 00:20:46,775 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5853 Valid, 36736 Invalid, 54 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-12 00:20:46,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8810 states.
[2024-11-12 00:20:46,916 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8810 to 5197.
[2024-11-12 00:20:46,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5197 states, 5196 states have (on average 1.4990377213240955) internal successors, (7789), 5196 states have internal predecessors, (7789), 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)
[2024-11-12 00:20:46,956 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7789 transitions.
[2024-11-12 00:20:46,960 INFO  L78                 Accepts]: Start accepts. Automaton has 5197 states and 7789 transitions. Word has length 229
[2024-11-12 00:20:46,961 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:20:46,961 INFO  L471      AbstractCegarLoop]: Abstraction has 5197 states and 7789 transitions.
[2024-11-12 00:20:46,962 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 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)
[2024-11-12 00:20:46,962 INFO  L276                IsEmpty]: Start isEmpty. Operand 5197 states and 7789 transitions.
[2024-11-12 00:20:47,101 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2607
[2024-11-12 00:20:47,102 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:20:47,103 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:20:47,104 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-12 00:20:47,105 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:20:47,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:20:47,107 INFO  L85        PathProgramCache]: Analyzing trace with hash 69127097, now seen corresponding path program 1 times
[2024-11-12 00:20:47,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:20:47,108 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903744489]
[2024-11-12 00:20:47,108 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:20:47,109 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:20:52,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:20:57,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:20:57,412 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:20:57,412 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903744489]
[2024-11-12 00:20:57,413 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903744489] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:20:57,413 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:20:57,413 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:20:57,415 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017211671]
[2024-11-12 00:20:57,415 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:20:57,418 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:20:57,418 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:20:57,423 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:20:57,424 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:20:57,425 INFO  L87              Difference]: Start difference. First operand 5197 states and 7789 transitions. Second operand  has 4 states, 4 states have (on average 651.5) internal successors, (2606), 4 states have internal predecessors, (2606), 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)
[2024-11-12 00:20:57,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:20:57,590 INFO  L93              Difference]: Finished difference Result 9958 states and 14928 transitions.
[2024-11-12 00:20:57,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:20:57,592 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 651.5) internal successors, (2606), 4 states have internal predecessors, (2606), 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 2606
[2024-11-12 00:20:57,593 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:20:57,609 INFO  L225             Difference]: With dead ends: 9958
[2024-11-12 00:20:57,609 INFO  L226             Difference]: Without dead ends: 5197
[2024-11-12 00:20:57,617 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:20:57,618 INFO  L435           NwaCegarLoop]: 7400 mSDtfsCounter, 7185 mSDsluCounter, 7398 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7185 SdHoareTripleChecker+Valid, 14798 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:20:57,619 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7185 Valid, 14798 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:20:57,629 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5197 states.
[2024-11-12 00:20:57,720 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 5197.
[2024-11-12 00:20:57,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5197 states, 5196 states have (on average 1.4988452655889146) internal successors, (7788), 5196 states have internal predecessors, (7788), 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)
[2024-11-12 00:20:57,749 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7788 transitions.
[2024-11-12 00:20:57,750 INFO  L78                 Accepts]: Start accepts. Automaton has 5197 states and 7788 transitions. Word has length 2606
[2024-11-12 00:20:57,751 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:20:57,751 INFO  L471      AbstractCegarLoop]: Abstraction has 5197 states and 7788 transitions.
[2024-11-12 00:20:57,752 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 651.5) internal successors, (2606), 4 states have internal predecessors, (2606), 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)
[2024-11-12 00:20:57,753 INFO  L276                IsEmpty]: Start isEmpty. Operand 5197 states and 7788 transitions.
[2024-11-12 00:20:57,953 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2608
[2024-11-12 00:20:57,953 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:20:57,955 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:20:57,955 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-12 00:20:57,955 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:20:57,956 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:20:57,958 INFO  L85        PathProgramCache]: Analyzing trace with hash -1591290855, now seen corresponding path program 1 times
[2024-11-12 00:20:57,958 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:20:57,958 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278954574]
[2024-11-12 00:20:57,959 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:20:57,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:21:00,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:21:04,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:21:04,288 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:21:04,289 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278954574]
[2024-11-12 00:21:04,289 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278954574] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:21:04,289 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:21:04,289 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:21:04,289 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415332393]
[2024-11-12 00:21:04,289 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:21:04,292 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:21:04,293 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:21:04,295 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:21:04,296 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:21:04,297 INFO  L87              Difference]: Start difference. First operand 5197 states and 7788 transitions. Second operand  has 4 states, 4 states have (on average 651.75) internal successors, (2607), 4 states have internal predecessors, (2607), 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)
[2024-11-12 00:21:04,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:21:04,471 INFO  L93              Difference]: Finished difference Result 9958 states and 14926 transitions.
[2024-11-12 00:21:04,471 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:21:04,472 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 651.75) internal successors, (2607), 4 states have internal predecessors, (2607), 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 2607
[2024-11-12 00:21:04,473 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:21:04,484 INFO  L225             Difference]: With dead ends: 9958
[2024-11-12 00:21:04,484 INFO  L226             Difference]: Without dead ends: 5197
[2024-11-12 00:21:04,492 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:21:04,493 INFO  L435           NwaCegarLoop]: 7399 mSDtfsCounter, 7179 mSDsluCounter, 7397 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7179 SdHoareTripleChecker+Valid, 14796 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-12 00:21:04,494 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7179 Valid, 14796 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-12 00:21:04,504 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5197 states.
[2024-11-12 00:21:04,580 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 5197.
[2024-11-12 00:21:04,590 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5197 states, 5196 states have (on average 1.4986528098537337) internal successors, (7787), 5196 states have internal predecessors, (7787), 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)
[2024-11-12 00:21:04,600 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7787 transitions.
[2024-11-12 00:21:04,601 INFO  L78                 Accepts]: Start accepts. Automaton has 5197 states and 7787 transitions. Word has length 2607
[2024-11-12 00:21:04,602 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:21:04,602 INFO  L471      AbstractCegarLoop]: Abstraction has 5197 states and 7787 transitions.
[2024-11-12 00:21:04,604 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 651.75) internal successors, (2607), 4 states have internal predecessors, (2607), 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)
[2024-11-12 00:21:04,605 INFO  L276                IsEmpty]: Start isEmpty. Operand 5197 states and 7787 transitions.
[2024-11-12 00:21:04,649 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2609
[2024-11-12 00:21:04,650 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:21:04,651 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:21:04,652 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-12 00:21:04,652 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:21:04,653 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:21:04,655 INFO  L85        PathProgramCache]: Analyzing trace with hash -1899355124, now seen corresponding path program 1 times
[2024-11-12 00:21:04,655 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:21:04,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421282614]
[2024-11-12 00:21:04,656 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:21:04,656 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:21:06,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:21:09,482 INFO  L134       CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:21:09,483 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:21:09,484 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421282614]
[2024-11-12 00:21:09,484 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421282614] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:21:09,484 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:21:09,484 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:21:09,485 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186222168]
[2024-11-12 00:21:09,485 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:21:09,487 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:21:09,487 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:21:09,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:21:09,491 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:21:09,492 INFO  L87              Difference]: Start difference. First operand 5197 states and 7787 transitions. Second operand  has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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)
[2024-11-12 00:21:09,679 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:21:09,679 INFO  L93              Difference]: Finished difference Result 9958 states and 14924 transitions.
[2024-11-12 00:21:09,680 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:21:09,681 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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 2608
[2024-11-12 00:21:09,681 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:21:09,691 INFO  L225             Difference]: With dead ends: 9958
[2024-11-12 00:21:09,691 INFO  L226             Difference]: Without dead ends: 5197
[2024-11-12 00:21:09,697 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:21:09,701 INFO  L435           NwaCegarLoop]: 7395 mSDtfsCounter, 7169 mSDsluCounter, 7393 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7169 SdHoareTripleChecker+Valid, 14788 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-12 00:21:09,701 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7169 Valid, 14788 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-12 00:21:09,708 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5197 states.
[2024-11-12 00:21:09,768 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 5197.
[2024-11-12 00:21:09,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5197 states, 5196 states have (on average 1.4984603541185528) internal successors, (7786), 5196 states have internal predecessors, (7786), 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)
[2024-11-12 00:21:09,785 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7786 transitions.
[2024-11-12 00:21:09,786 INFO  L78                 Accepts]: Start accepts. Automaton has 5197 states and 7786 transitions. Word has length 2608
[2024-11-12 00:21:09,786 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:21:09,787 INFO  L471      AbstractCegarLoop]: Abstraction has 5197 states and 7786 transitions.
[2024-11-12 00:21:09,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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)
[2024-11-12 00:21:09,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 5197 states and 7786 transitions.
[2024-11-12 00:21:09,830 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2610
[2024-11-12 00:21:09,830 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:21:09,832 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-12 00:21:09,832 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-12 00:21:09,832 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:21:09,833 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:21:09,835 INFO  L85        PathProgramCache]: Analyzing trace with hash -1446012326, now seen corresponding path program 1 times
[2024-11-12 00:21:09,835 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:21:09,835 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947341980]
[2024-11-12 00:21:09,836 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:21:09,836 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms