./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label30.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version c7c6ca5d
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/eca-rers2012/Problem11_label30.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80c5c0aba72ae94b1a7faaff5d18dcb1975bca24b2cca6ada65386f045cad987
--- Real Ultimate output ---
This is Ultimate 0.2.5-?-c7c6ca5-m
[2024-11-08 11:11:26,199 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 11:11:26,258 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 11:11:26,262 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 11:11:26,263 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 11:11:26,291 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 11:11:26,292 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 11:11:26,292 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 11:11:26,293 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 11:11:26,293 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 11:11:26,294 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 11:11:26,294 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 11:11:26,295 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 11:11:26,295 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 11:11:26,295 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 11:11:26,296 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 11:11:26,296 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 11:11:26,296 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 11:11:26,297 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 11:11:26,297 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 11:11:26,297 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 11:11:26,298 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 11:11:26,298 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 11:11:26,298 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 11:11:26,299 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 11:11:26,299 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 11:11:26,299 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 11:11:26,299 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 11:11:26,300 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 11:11:26,300 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 11:11:26,300 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 11:11:26,300 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 11:11:26,301 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 11:11:26,301 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 11:11:26,302 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 11:11:26,302 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 11:11:26,302 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 11:11:26,303 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 11:11:26,303 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 11:11:26,303 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 11:11:26,303 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 11:11:26,304 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 11:11:26,304 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c5c0aba72ae94b1a7faaff5d18dcb1975bca24b2cca6ada65386f045cad987
[2024-11-08 11:11:26,586 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 11:11:26,610 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 11:11:26,613 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 11:11:26,614 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 11:11:26,614 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 11:11:26,615 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label30.c
[2024-11-08 11:11:28,032 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 11:11:28,318 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 11:11:28,321 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label30.c
[2024-11-08 11:11:28,341 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3617d01/9972d8c3ca0d45f7ad343de2a07cb15e/FLAGa3b3df381
[2024-11-08 11:11:28,597 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3617d01/9972d8c3ca0d45f7ad343de2a07cb15e
[2024-11-08 11:11:28,600 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 11:11:28,601 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 11:11:28,602 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 11:11:28,603 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 11:11:28,618 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 11:11:28,619 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:28" (1/1) ...
[2024-11-08 11:11:28,620 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202044a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:28, skipping insertion in model container
[2024-11-08 11:11:28,620 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:28" (1/1) ...
[2024-11-08 11:11:28,676 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 11:11:28,921 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/eca-rers2012/Problem11_label30.c[4279,4292]
[2024-11-08 11:11:29,185 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 11:11:29,196 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 11:11:29,216 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/eca-rers2012/Problem11_label30.c[4279,4292]
[2024-11-08 11:11:29,315 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 11:11:29,339 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 11:11:29,339 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29 WrapperNode
[2024-11-08 11:11:29,339 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 11:11:29,340 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 11:11:29,340 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 11:11:29,340 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 11:11:29,345 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,368 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,494 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000
[2024-11-08 11:11:29,494 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 11:11:29,495 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 11:11:29,495 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 11:11:29,495 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 11:11:29,507 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,508 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,529 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,573 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].
[2024-11-08 11:11:29,574 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,574 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,617 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,624 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,651 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,658 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,672 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 11:11:29,674 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 11:11:29,674 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 11:11:29,674 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 11:11:29,675 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (1/1) ...
[2024-11-08 11:11:29,680 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 11:11:29,691 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 11:11:29,709 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)
[2024-11-08 11:11:29,712 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
[2024-11-08 11:11:29,784 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 11:11:29,788 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 11:11:29,788 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 11:11:29,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 11:11:29,932 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 11:11:29,939 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 11:11:31,585 INFO  L?                        ?]: Removed 129 outVars from TransFormulas that were not future-live.
[2024-11-08 11:11:31,586 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 11:11:31,611 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 11:11:31,614 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 11:11:31,614 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:31 BoogieIcfgContainer
[2024-11-08 11:11:31,614 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 11:11:31,616 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 11:11:31,618 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 11:11:31,621 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 11:11:31,621 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:11:28" (1/3) ...
[2024-11-08 11:11:31,622 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557dba71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:11:31, skipping insertion in model container
[2024-11-08 11:11:31,622 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:29" (2/3) ...
[2024-11-08 11:11:31,623 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557dba71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:11:31, skipping insertion in model container
[2024-11-08 11:11:31,623 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:31" (3/3) ...
[2024-11-08 11:11:31,624 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem11_label30.c
[2024-11-08 11:11:31,643 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 11:11:31,643 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 11:11:31,721 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 11:11:31,731 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;@1ad59bb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 11:11:31,731 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 11:11:31,739 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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)
[2024-11-08 11:11:31,746 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-11-08 11:11:31,746 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:31,748 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]
[2024-11-08 11:11:31,748 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:31,753 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:31,754 INFO  L85        PathProgramCache]: Analyzing trace with hash -748286455, now seen corresponding path program 1 times
[2024-11-08 11:11:31,762 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:31,763 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276655122]
[2024-11-08 11:11:31,763 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:31,763 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:31,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:32,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:32,106 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:32,107 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276655122]
[2024-11-08 11:11:32,107 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276655122] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:32,108 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:32,108 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 11:11:32,110 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714917169]
[2024-11-08 11:11:32,111 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:32,115 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:32,115 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:32,139 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:32,140 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:32,143 INFO  L87              Difference]: Start difference. First operand  has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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)
[2024-11-08 11:11:33,302 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:33,302 INFO  L93              Difference]: Finished difference Result 776 states and 1363 transitions.
[2024-11-08 11:11:33,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:33,304 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29
[2024-11-08 11:11:33,304 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:33,317 INFO  L225             Difference]: With dead ends: 776
[2024-11-08 11:11:33,318 INFO  L226             Difference]: Without dead ends: 413
[2024-11-08 11:11:33,324 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:33,329 INFO  L432           NwaCegarLoop]: 168 mSDtfsCounter, 198 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:33,330 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-08 11:11:33,345 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 413 states.
[2024-11-08 11:11:33,392 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411.
[2024-11-08 11:11:33,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 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)
[2024-11-08 11:11:33,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions.
[2024-11-08 11:11:33,396 INFO  L78                 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 29
[2024-11-08 11:11:33,396 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:33,396 INFO  L471      AbstractCegarLoop]: Abstraction has 411 states and 598 transitions.
[2024-11-08 11:11:33,397 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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)
[2024-11-08 11:11:33,397 INFO  L276                IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions.
[2024-11-08 11:11:33,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-08 11:11:33,399 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:33,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:33,400 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 11:11:33,400 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:33,401 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:33,401 INFO  L85        PathProgramCache]: Analyzing trace with hash -618924976, now seen corresponding path program 1 times
[2024-11-08 11:11:33,401 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:33,401 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529916690]
[2024-11-08 11:11:33,401 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:33,402 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:33,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:33,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:33,593 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:33,594 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529916690]
[2024-11-08 11:11:33,594 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529916690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:33,594 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:33,594 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 11:11:33,595 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823686055]
[2024-11-08 11:11:33,595 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:33,596 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:33,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:33,597 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:33,597 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:33,598 INFO  L87              Difference]: Start difference. First operand 411 states and 598 transitions. Second operand  has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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)
[2024-11-08 11:11:34,317 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:34,317 INFO  L93              Difference]: Finished difference Result 1209 states and 1765 transitions.
[2024-11-08 11:11:34,318 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:34,319 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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 97
[2024-11-08 11:11:34,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:34,323 INFO  L225             Difference]: With dead ends: 1209
[2024-11-08 11:11:34,323 INFO  L226             Difference]: Without dead ends: 800
[2024-11-08 11:11:34,325 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:34,326 INFO  L432           NwaCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:34,326 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:34,328 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 800 states.
[2024-11-08 11:11:34,362 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787.
[2024-11-08 11:11:34,364 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 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)
[2024-11-08 11:11:34,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions.
[2024-11-08 11:11:34,367 INFO  L78                 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 97
[2024-11-08 11:11:34,367 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:34,367 INFO  L471      AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions.
[2024-11-08 11:11:34,367 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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)
[2024-11-08 11:11:34,368 INFO  L276                IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions.
[2024-11-08 11:11:34,374 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2024-11-08 11:11:34,374 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:34,375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:34,375 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 11:11:34,375 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:34,377 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:34,378 INFO  L85        PathProgramCache]: Analyzing trace with hash 2041606128, now seen corresponding path program 1 times
[2024-11-08 11:11:34,378 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:34,378 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886058551]
[2024-11-08 11:11:34,378 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:34,379 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:34,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:34,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:34,690 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:34,691 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886058551]
[2024-11-08 11:11:34,691 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886058551] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:34,691 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:34,691 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 11:11:34,692 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738069538]
[2024-11-08 11:11:34,692 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:34,693 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:34,693 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:34,694 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:34,694 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:34,694 INFO  L87              Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand  has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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)
[2024-11-08 11:11:35,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:35,379 INFO  L93              Difference]: Finished difference Result 1942 states and 2631 transitions.
[2024-11-08 11:11:35,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:35,380 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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 98
[2024-11-08 11:11:35,380 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:35,384 INFO  L225             Difference]: With dead ends: 1942
[2024-11-08 11:11:35,384 INFO  L226             Difference]: Without dead ends: 1157
[2024-11-08 11:11:35,386 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:35,387 INFO  L432           NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:35,387 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:35,389 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1157 states.
[2024-11-08 11:11:35,414 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156.
[2024-11-08 11:11:35,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 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)
[2024-11-08 11:11:35,419 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions.
[2024-11-08 11:11:35,419 INFO  L78                 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 98
[2024-11-08 11:11:35,419 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:35,420 INFO  L471      AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions.
[2024-11-08 11:11:35,420 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 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)
[2024-11-08 11:11:35,422 INFO  L276                IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions.
[2024-11-08 11:11:35,428 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-08 11:11:35,428 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:35,429 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:35,429 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 11:11:35,429 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:35,430 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:35,430 INFO  L85        PathProgramCache]: Analyzing trace with hash 1509869964, now seen corresponding path program 1 times
[2024-11-08 11:11:35,430 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:35,431 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158452689]
[2024-11-08 11:11:35,433 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:35,434 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:35,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:35,740 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:35,740 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:35,741 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158452689]
[2024-11-08 11:11:35,741 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158452689] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:35,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:35,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:35,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826497624]
[2024-11-08 11:11:35,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:35,743 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:35,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:35,745 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:35,746 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:35,746 INFO  L87              Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand  has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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)
[2024-11-08 11:11:36,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:36,544 INFO  L93              Difference]: Finished difference Result 2691 states and 3515 transitions.
[2024-11-08 11:11:36,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:36,545 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 141
[2024-11-08 11:11:36,546 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:36,552 INFO  L225             Difference]: With dead ends: 2691
[2024-11-08 11:11:36,552 INFO  L226             Difference]: Without dead ends: 1721
[2024-11-08 11:11:36,557 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:36,558 INFO  L432           NwaCegarLoop]: 315 mSDtfsCounter, 177 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:36,560 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 336 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 11:11:36,562 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1721 states.
[2024-11-08 11:11:36,584 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528.
[2024-11-08 11:11:36,587 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1528 states, 1527 states have (on average 1.261296660117878) internal successors, (1926), 1527 states have internal predecessors, (1926), 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)
[2024-11-08 11:11:36,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1926 transitions.
[2024-11-08 11:11:36,591 INFO  L78                 Accepts]: Start accepts. Automaton has 1528 states and 1926 transitions. Word has length 141
[2024-11-08 11:11:36,593 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:36,593 INFO  L471      AbstractCegarLoop]: Abstraction has 1528 states and 1926 transitions.
[2024-11-08 11:11:36,593 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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)
[2024-11-08 11:11:36,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 1528 states and 1926 transitions.
[2024-11-08 11:11:36,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2024-11-08 11:11:36,599 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:36,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:36,599 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 11:11:36,600 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:36,600 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:36,600 INFO  L85        PathProgramCache]: Analyzing trace with hash 808958387, now seen corresponding path program 1 times
[2024-11-08 11:11:36,600 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:36,600 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356786609]
[2024-11-08 11:11:36,600 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:36,601 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:36,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:36,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:36,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:36,765 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356786609]
[2024-11-08 11:11:36,766 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356786609] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:36,766 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:36,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 11:11:36,766 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184888026]
[2024-11-08 11:11:36,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:36,767 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:36,767 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:36,767 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:36,767 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:36,768 INFO  L87              Difference]: Start difference. First operand 1528 states and 1926 transitions. Second operand  has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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)
[2024-11-08 11:11:37,564 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:37,565 INFO  L93              Difference]: Finished difference Result 4158 states and 5316 transitions.
[2024-11-08 11:11:37,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:37,566 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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 156
[2024-11-08 11:11:37,566 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:37,574 INFO  L225             Difference]: With dead ends: 4158
[2024-11-08 11:11:37,574 INFO  L226             Difference]: Without dead ends: 2632
[2024-11-08 11:11:37,577 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:37,578 INFO  L432           NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:37,578 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 11:11:37,581 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2632 states.
[2024-11-08 11:11:37,612 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2448.
[2024-11-08 11:11:37,615 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2448 states, 2447 states have (on average 1.2174090723334696) internal successors, (2979), 2447 states have internal predecessors, (2979), 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)
[2024-11-08 11:11:37,621 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 2979 transitions.
[2024-11-08 11:11:37,622 INFO  L78                 Accepts]: Start accepts. Automaton has 2448 states and 2979 transitions. Word has length 156
[2024-11-08 11:11:37,622 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:37,622 INFO  L471      AbstractCegarLoop]: Abstraction has 2448 states and 2979 transitions.
[2024-11-08 11:11:37,622 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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)
[2024-11-08 11:11:37,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 2448 states and 2979 transitions.
[2024-11-08 11:11:37,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-11-08 11:11:37,625 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:37,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:37,625 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 11:11:37,625 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:37,626 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:37,626 INFO  L85        PathProgramCache]: Analyzing trace with hash 1008669779, now seen corresponding path program 1 times
[2024-11-08 11:11:37,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:37,626 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084203902]
[2024-11-08 11:11:37,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:37,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:37,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:37,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:37,783 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:37,783 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084203902]
[2024-11-08 11:11:37,783 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084203902] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:37,783 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:37,784 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:37,784 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289221237]
[2024-11-08 11:11:37,784 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:37,784 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:37,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:37,785 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:37,785 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:37,785 INFO  L87              Difference]: Start difference. First operand 2448 states and 2979 transitions. Second operand  has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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)
[2024-11-08 11:11:38,485 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:38,485 INFO  L93              Difference]: Finished difference Result 5639 states and 6868 transitions.
[2024-11-08 11:11:38,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:38,486 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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 172
[2024-11-08 11:11:38,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:38,499 INFO  L225             Difference]: With dead ends: 5639
[2024-11-08 11:11:38,499 INFO  L226             Difference]: Without dead ends: 3193
[2024-11-08 11:11:38,502 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:38,503 INFO  L432           NwaCegarLoop]: 338 mSDtfsCounter, 172 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:38,503 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 359 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:38,506 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3193 states.
[2024-11-08 11:11:38,543 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3184.
[2024-11-08 11:11:38,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3184 states, 3183 states have (on average 1.1991831605403707) internal successors, (3817), 3183 states have internal predecessors, (3817), 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)
[2024-11-08 11:11:38,553 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 3817 transitions.
[2024-11-08 11:11:38,554 INFO  L78                 Accepts]: Start accepts. Automaton has 3184 states and 3817 transitions. Word has length 172
[2024-11-08 11:11:38,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:38,554 INFO  L471      AbstractCegarLoop]: Abstraction has 3184 states and 3817 transitions.
[2024-11-08 11:11:38,554 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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)
[2024-11-08 11:11:38,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 3184 states and 3817 transitions.
[2024-11-08 11:11:38,556 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2024-11-08 11:11:38,557 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:38,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:38,557 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 11:11:38,557 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:38,558 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:38,558 INFO  L85        PathProgramCache]: Analyzing trace with hash -966496715, now seen corresponding path program 1 times
[2024-11-08 11:11:38,558 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:38,558 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828329952]
[2024-11-08 11:11:38,558 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:38,559 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:38,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:38,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2024-11-08 11:11:38,782 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:38,782 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828329952]
[2024-11-08 11:11:38,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828329952] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:38,782 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:38,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 11:11:38,783 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100099263]
[2024-11-08 11:11:38,783 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:38,783 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:38,783 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:38,784 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:38,784 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:38,784 INFO  L87              Difference]: Start difference. First operand 3184 states and 3817 transitions. Second operand  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 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)
[2024-11-08 11:11:39,520 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:39,520 INFO  L93              Difference]: Finished difference Result 7108 states and 8504 transitions.
[2024-11-08 11:11:39,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:39,521 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 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 210
[2024-11-08 11:11:39,522 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:39,533 INFO  L225             Difference]: With dead ends: 7108
[2024-11-08 11:11:39,534 INFO  L226             Difference]: Without dead ends: 3926
[2024-11-08 11:11:39,538 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:39,538 INFO  L432           NwaCegarLoop]: 126 mSDtfsCounter, 37 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:39,539 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:39,543 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3926 states.
[2024-11-08 11:11:39,588 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3925.
[2024-11-08 11:11:39,593 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3925 states, 3924 states have (on average 1.193934760448522) internal successors, (4685), 3924 states have internal predecessors, (4685), 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)
[2024-11-08 11:11:39,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 4685 transitions.
[2024-11-08 11:11:39,603 INFO  L78                 Accepts]: Start accepts. Automaton has 3925 states and 4685 transitions. Word has length 210
[2024-11-08 11:11:39,603 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:39,604 INFO  L471      AbstractCegarLoop]: Abstraction has 3925 states and 4685 transitions.
[2024-11-08 11:11:39,604 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 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)
[2024-11-08 11:11:39,604 INFO  L276                IsEmpty]: Start isEmpty. Operand 3925 states and 4685 transitions.
[2024-11-08 11:11:39,606 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 212
[2024-11-08 11:11:39,606 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:39,607 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:39,607 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 11:11:39,607 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:39,608 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:39,608 INFO  L85        PathProgramCache]: Analyzing trace with hash 471864344, now seen corresponding path program 1 times
[2024-11-08 11:11:39,608 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:39,608 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064573658]
[2024-11-08 11:11:39,608 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:39,608 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:39,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:39,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 122 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-08 11:11:39,803 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:39,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064573658]
[2024-11-08 11:11:39,804 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064573658] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:39,804 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:39,804 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:39,804 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823082068]
[2024-11-08 11:11:39,804 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:39,805 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:39,805 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:39,805 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:39,805 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:39,805 INFO  L87              Difference]: Start difference. First operand 3925 states and 4685 transitions. Second operand  has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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)
[2024-11-08 11:11:40,528 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:40,528 INFO  L93              Difference]: Finished difference Result 8591 states and 10347 transitions.
[2024-11-08 11:11:40,529 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:40,529 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 211
[2024-11-08 11:11:40,529 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:40,546 INFO  L225             Difference]: With dead ends: 8591
[2024-11-08 11:11:40,546 INFO  L226             Difference]: Without dead ends: 4668
[2024-11-08 11:11:40,551 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:40,553 INFO  L432           NwaCegarLoop]: 369 mSDtfsCounter, 168 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:40,553 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 390 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:40,559 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4668 states.
[2024-11-08 11:11:40,611 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 4477.
[2024-11-08 11:11:40,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4477 states, 4476 states have (on average 1.1861036639857014) internal successors, (5309), 4476 states have internal predecessors, (5309), 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)
[2024-11-08 11:11:40,625 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 5309 transitions.
[2024-11-08 11:11:40,626 INFO  L78                 Accepts]: Start accepts. Automaton has 4477 states and 5309 transitions. Word has length 211
[2024-11-08 11:11:40,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:40,627 INFO  L471      AbstractCegarLoop]: Abstraction has 4477 states and 5309 transitions.
[2024-11-08 11:11:40,627 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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)
[2024-11-08 11:11:40,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 4477 states and 5309 transitions.
[2024-11-08 11:11:40,630 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 232
[2024-11-08 11:11:40,630 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:40,630 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:40,630 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 11:11:40,631 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:40,631 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:40,631 INFO  L85        PathProgramCache]: Analyzing trace with hash 257378762, now seen corresponding path program 1 times
[2024-11-08 11:11:40,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:40,631 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554881940]
[2024-11-08 11:11:40,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:40,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:40,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:41,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:41,044 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:41,044 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554881940]
[2024-11-08 11:11:41,044 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554881940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:41,044 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:41,044 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 11:11:41,044 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853906163]
[2024-11-08 11:11:41,045 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:41,045 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:11:41,045 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:41,046 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:11:41,046 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:41,047 INFO  L87              Difference]: Start difference. First operand 4477 states and 5309 transitions. Second operand  has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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)
[2024-11-08 11:11:42,215 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:42,215 INFO  L93              Difference]: Finished difference Result 14321 states and 17014 transitions.
[2024-11-08 11:11:42,244 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:11:42,244 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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 231
[2024-11-08 11:11:42,245 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:42,279 INFO  L225             Difference]: With dead ends: 14321
[2024-11-08 11:11:42,279 INFO  L226             Difference]: Without dead ends: 9846
[2024-11-08 11:11:42,290 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:42,292 INFO  L432           NwaCegarLoop]: 148 mSDtfsCounter, 309 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:42,293 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 191 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-08 11:11:42,303 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9846 states.
[2024-11-08 11:11:42,384 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9846 to 7627.
[2024-11-08 11:11:42,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7627 states, 7626 states have (on average 1.1702071859428271) internal successors, (8924), 7626 states have internal predecessors, (8924), 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)
[2024-11-08 11:11:42,406 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7627 states to 7627 states and 8924 transitions.
[2024-11-08 11:11:42,407 INFO  L78                 Accepts]: Start accepts. Automaton has 7627 states and 8924 transitions. Word has length 231
[2024-11-08 11:11:42,407 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:42,408 INFO  L471      AbstractCegarLoop]: Abstraction has 7627 states and 8924 transitions.
[2024-11-08 11:11:42,408 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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)
[2024-11-08 11:11:42,408 INFO  L276                IsEmpty]: Start isEmpty. Operand 7627 states and 8924 transitions.
[2024-11-08 11:11:42,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 242
[2024-11-08 11:11:42,411 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:42,412 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:42,413 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-08 11:11:42,413 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:42,417 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:42,417 INFO  L85        PathProgramCache]: Analyzing trace with hash 1660657955, now seen corresponding path program 1 times
[2024-11-08 11:11:42,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:42,417 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594406452]
[2024-11-08 11:11:42,417 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:42,417 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:42,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:42,870 INFO  L134       CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:42,870 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:42,871 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594406452]
[2024-11-08 11:11:42,871 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594406452] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:42,871 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:42,871 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 11:11:42,871 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384844791]
[2024-11-08 11:11:42,871 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:42,872 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:11:42,872 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:42,873 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:11:42,875 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:42,875 INFO  L87              Difference]: Start difference. First operand 7627 states and 8924 transitions. Second operand  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 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)
[2024-11-08 11:11:44,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:44,149 INFO  L93              Difference]: Finished difference Result 20234 states and 23746 transitions.
[2024-11-08 11:11:44,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:11:44,149 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 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 241
[2024-11-08 11:11:44,150 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:44,170 INFO  L225             Difference]: With dead ends: 20234
[2024-11-08 11:11:44,170 INFO  L226             Difference]: Without dead ends: 12609
[2024-11-08 11:11:44,180 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:44,180 INFO  L432           NwaCegarLoop]: 76 mSDtfsCounter, 323 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:44,180 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 113 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-08 11:11:44,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12609 states.
[2024-11-08 11:11:44,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12609 to 10202.
[2024-11-08 11:11:44,359 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10202 states, 10201 states have (on average 1.1734143711400844) internal successors, (11970), 10201 states have internal predecessors, (11970), 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)
[2024-11-08 11:11:44,380 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10202 states to 10202 states and 11970 transitions.
[2024-11-08 11:11:44,380 INFO  L78                 Accepts]: Start accepts. Automaton has 10202 states and 11970 transitions. Word has length 241
[2024-11-08 11:11:44,381 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:44,381 INFO  L471      AbstractCegarLoop]: Abstraction has 10202 states and 11970 transitions.
[2024-11-08 11:11:44,382 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 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)
[2024-11-08 11:11:44,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 10202 states and 11970 transitions.
[2024-11-08 11:11:44,385 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 242
[2024-11-08 11:11:44,386 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:44,386 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:44,386 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 11:11:44,386 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:44,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:44,387 INFO  L85        PathProgramCache]: Analyzing trace with hash -260628436, now seen corresponding path program 1 times
[2024-11-08 11:11:44,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:44,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075713231]
[2024-11-08 11:11:44,387 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:44,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:44,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:44,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:44,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:44,580 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075713231]
[2024-11-08 11:11:44,581 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075713231] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:44,581 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:44,581 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:44,581 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268072724]
[2024-11-08 11:11:44,581 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:44,582 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:44,582 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:44,582 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:44,582 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:44,583 INFO  L87              Difference]: Start difference. First operand 10202 states and 11970 transitions. Second operand  has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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)
[2024-11-08 11:11:45,194 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:45,194 INFO  L93              Difference]: Finished difference Result 20399 states and 23935 transitions.
[2024-11-08 11:11:45,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:45,195 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 241
[2024-11-08 11:11:45,195 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:45,211 INFO  L225             Difference]: With dead ends: 20399
[2024-11-08 11:11:45,211 INFO  L226             Difference]: Without dead ends: 10199
[2024-11-08 11:11:45,221 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:45,222 INFO  L432           NwaCegarLoop]: 285 mSDtfsCounter, 148 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:45,223 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 305 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 11:11:45,231 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10199 states.
[2024-11-08 11:11:45,355 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10199 to 10199.
[2024-11-08 11:11:45,367 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10199 states, 10198 states have (on average 1.1445381447342615) internal successors, (11672), 10198 states have internal predecessors, (11672), 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)
[2024-11-08 11:11:45,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10199 states to 10199 states and 11672 transitions.
[2024-11-08 11:11:45,384 INFO  L78                 Accepts]: Start accepts. Automaton has 10199 states and 11672 transitions. Word has length 241
[2024-11-08 11:11:45,384 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:45,384 INFO  L471      AbstractCegarLoop]: Abstraction has 10199 states and 11672 transitions.
[2024-11-08 11:11:45,384 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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)
[2024-11-08 11:11:45,385 INFO  L276                IsEmpty]: Start isEmpty. Operand 10199 states and 11672 transitions.
[2024-11-08 11:11:45,388 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 244
[2024-11-08 11:11:45,388 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:45,388 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:45,389 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-08 11:11:45,389 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:45,389 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:45,389 INFO  L85        PathProgramCache]: Analyzing trace with hash -1739170223, now seen corresponding path program 1 times
[2024-11-08 11:11:45,389 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:45,390 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154741835]
[2024-11-08 11:11:45,390 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:45,390 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:45,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:45,525 INFO  L134       CoverageAnalysis]: Checked inductivity of 139 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked.
[2024-11-08 11:11:45,525 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:45,526 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154741835]
[2024-11-08 11:11:45,526 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154741835] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:45,526 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:45,526 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:45,526 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880865202]
[2024-11-08 11:11:45,526 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:45,527 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:45,527 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:45,528 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:45,528 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:45,528 INFO  L87              Difference]: Start difference. First operand 10199 states and 11672 transitions. Second operand  has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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)
[2024-11-08 11:11:46,216 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:46,216 INFO  L93              Difference]: Finished difference Result 22787 states and 26113 transitions.
[2024-11-08 11:11:46,216 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:46,216 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 243
[2024-11-08 11:11:46,217 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:46,235 INFO  L225             Difference]: With dead ends: 22787
[2024-11-08 11:11:46,235 INFO  L226             Difference]: Without dead ends: 12590
[2024-11-08 11:11:46,243 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:46,243 INFO  L432           NwaCegarLoop]: 347 mSDtfsCounter, 169 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:46,244 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 370 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 11:11:46,252 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12590 states.
[2024-11-08 11:11:46,346 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12590 to 11114.
[2024-11-08 11:11:46,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11114 states, 11113 states have (on average 1.1383064878970575) internal successors, (12650), 11113 states have internal predecessors, (12650), 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)
[2024-11-08 11:11:46,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11114 states to 11114 states and 12650 transitions.
[2024-11-08 11:11:46,373 INFO  L78                 Accepts]: Start accepts. Automaton has 11114 states and 12650 transitions. Word has length 243
[2024-11-08 11:11:46,373 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:46,373 INFO  L471      AbstractCegarLoop]: Abstraction has 11114 states and 12650 transitions.
[2024-11-08 11:11:46,374 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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)
[2024-11-08 11:11:46,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 11114 states and 12650 transitions.
[2024-11-08 11:11:46,377 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2024-11-08 11:11:46,378 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:46,378 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:46,378 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-08 11:11:46,378 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:46,379 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:46,380 INFO  L85        PathProgramCache]: Analyzing trace with hash -272151494, now seen corresponding path program 1 times
[2024-11-08 11:11:46,380 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:46,380 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51507936]
[2024-11-08 11:11:46,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:46,381 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:46,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:46,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 149 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2024-11-08 11:11:46,637 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:46,637 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51507936]
[2024-11-08 11:11:46,637 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51507936] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:46,637 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:46,638 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:46,638 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226895971]
[2024-11-08 11:11:46,638 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:46,638 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:46,638 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:46,639 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:46,639 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:46,639 INFO  L87              Difference]: Start difference. First operand 11114 states and 12650 transitions. Second operand  has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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)
[2024-11-08 11:11:47,364 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:47,365 INFO  L93              Difference]: Finished difference Result 22413 states and 25494 transitions.
[2024-11-08 11:11:47,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:47,365 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 248
[2024-11-08 11:11:47,366 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:47,384 INFO  L225             Difference]: With dead ends: 22413
[2024-11-08 11:11:47,384 INFO  L226             Difference]: Without dead ends: 11301
[2024-11-08 11:11:47,397 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:47,398 INFO  L432           NwaCegarLoop]: 351 mSDtfsCounter, 171 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:47,398 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 373 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:47,406 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11301 states.
[2024-11-08 11:11:47,544 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11301 to 11113.
[2024-11-08 11:11:47,557 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11113 states, 11112 states have (on average 1.1175305975521959) internal successors, (12418), 11112 states have internal predecessors, (12418), 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)
[2024-11-08 11:11:47,576 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12418 transitions.
[2024-11-08 11:11:47,577 INFO  L78                 Accepts]: Start accepts. Automaton has 11113 states and 12418 transitions. Word has length 248
[2024-11-08 11:11:47,577 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:47,577 INFO  L471      AbstractCegarLoop]: Abstraction has 11113 states and 12418 transitions.
[2024-11-08 11:11:47,578 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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)
[2024-11-08 11:11:47,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 11113 states and 12418 transitions.
[2024-11-08 11:11:47,583 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 263
[2024-11-08 11:11:47,583 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:47,585 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:47,585 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-08 11:11:47,585 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:47,586 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:47,586 INFO  L85        PathProgramCache]: Analyzing trace with hash -535862831, now seen corresponding path program 1 times
[2024-11-08 11:11:47,586 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:47,586 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231481714]
[2024-11-08 11:11:47,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:47,587 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:47,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:48,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 142 backedges. 109 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:48,248 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:48,248 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231481714]
[2024-11-08 11:11:48,249 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231481714] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 11:11:48,249 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530814994]
[2024-11-08 11:11:48,249 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:48,249 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 11:11:48,249 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 11:11:48,251 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 11:11:48,252 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 11:11:48,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:48,376 INFO  L255         TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 11:11:48,385 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 11:11:48,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 11:11:48,902 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 11:11:48,902 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530814994] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:48,902 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 11:11:48,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2024-11-08 11:11:48,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541347952]
[2024-11-08 11:11:48,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:48,903 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:11:48,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:48,904 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:11:48,904 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-08 11:11:48,907 INFO  L87              Difference]: Start difference. First operand 11113 states and 12418 transitions. Second operand  has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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)
[2024-11-08 11:11:49,713 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:49,714 INFO  L93              Difference]: Finished difference Result 22227 states and 24838 transitions.
[2024-11-08 11:11:49,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:11:49,714 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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 262
[2024-11-08 11:11:49,714 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:49,727 INFO  L225             Difference]: With dead ends: 22227
[2024-11-08 11:11:49,727 INFO  L226             Difference]: Without dead ends: 11116
[2024-11-08 11:11:49,738 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-08 11:11:49,739 INFO  L432           NwaCegarLoop]: 123 mSDtfsCounter, 171 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:49,739 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 170 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:49,747 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11116 states.
[2024-11-08 11:11:49,871 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11116 to 11113.
[2024-11-08 11:11:49,881 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11113 states, 11112 states have (on average 1.1164506839452844) internal successors, (12406), 11112 states have internal predecessors, (12406), 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)
[2024-11-08 11:11:49,894 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11113 states to 11113 states and 12406 transitions.
[2024-11-08 11:11:49,895 INFO  L78                 Accepts]: Start accepts. Automaton has 11113 states and 12406 transitions. Word has length 262
[2024-11-08 11:11:49,895 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:49,895 INFO  L471      AbstractCegarLoop]: Abstraction has 11113 states and 12406 transitions.
[2024-11-08 11:11:49,896 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 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)
[2024-11-08 11:11:49,896 INFO  L276                IsEmpty]: Start isEmpty. Operand 11113 states and 12406 transitions.
[2024-11-08 11:11:49,900 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 297
[2024-11-08 11:11:49,900 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:49,900 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 11:11:49,919 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 11:11:50,101 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-08 11:11:50,102 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:50,102 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:50,102 INFO  L85        PathProgramCache]: Analyzing trace with hash -493651351, now seen corresponding path program 1 times
[2024-11-08 11:11:50,103 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:50,103 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896906189]
[2024-11-08 11:11:50,103 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:50,103 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:50,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:50,307 INFO  L134       CoverageAnalysis]: Checked inductivity of 303 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked.
[2024-11-08 11:11:50,307 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:50,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896906189]
[2024-11-08 11:11:50,308 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896906189] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:50,308 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:50,308 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:50,310 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682025414]
[2024-11-08 11:11:50,310 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:50,310 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:50,311 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:50,311 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:50,311 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:50,311 INFO  L87              Difference]: Start difference. First operand 11113 states and 12406 transitions. Second operand  has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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)
[2024-11-08 11:11:50,897 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:50,897 INFO  L93              Difference]: Finished difference Result 24615 states and 27485 transitions.
[2024-11-08 11:11:50,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:50,897 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 296
[2024-11-08 11:11:50,898 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:50,911 INFO  L225             Difference]: With dead ends: 24615
[2024-11-08 11:11:50,911 INFO  L226             Difference]: Without dead ends: 13504
[2024-11-08 11:11:50,919 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:50,920 INFO  L432           NwaCegarLoop]: 120 mSDtfsCounter, 192 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:50,920 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 144 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 11:11:50,928 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13504 states.
[2024-11-08 11:11:51,076 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13504 to 11108.
[2024-11-08 11:11:51,086 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11108 states, 11107 states have (on average 1.1173134059602052) internal successors, (12410), 11107 states have internal predecessors, (12410), 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)
[2024-11-08 11:11:51,099 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 12410 transitions.
[2024-11-08 11:11:51,099 INFO  L78                 Accepts]: Start accepts. Automaton has 11108 states and 12410 transitions. Word has length 296
[2024-11-08 11:11:51,100 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:51,100 INFO  L471      AbstractCegarLoop]: Abstraction has 11108 states and 12410 transitions.
[2024-11-08 11:11:51,100 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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)
[2024-11-08 11:11:51,100 INFO  L276                IsEmpty]: Start isEmpty. Operand 11108 states and 12410 transitions.
[2024-11-08 11:11:51,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 301
[2024-11-08 11:11:51,105 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:51,106 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:51,106 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-08 11:11:51,106 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:51,106 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:51,107 INFO  L85        PathProgramCache]: Analyzing trace with hash -1103847605, now seen corresponding path program 1 times
[2024-11-08 11:11:51,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:51,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792406044]
[2024-11-08 11:11:51,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:51,107 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:51,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:51,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 306 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2024-11-08 11:11:51,570 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:51,570 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792406044]
[2024-11-08 11:11:51,570 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792406044] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:51,570 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:51,570 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 11:11:51,570 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995622475]
[2024-11-08 11:11:51,571 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:51,571 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:11:51,571 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:51,572 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:11:51,572 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:51,572 INFO  L87              Difference]: Start difference. First operand 11108 states and 12410 transitions. Second operand  has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 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)
[2024-11-08 11:11:52,707 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:52,708 INFO  L93              Difference]: Finished difference Result 27772 states and 31008 transitions.
[2024-11-08 11:11:52,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:11:52,708 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 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 300
[2024-11-08 11:11:52,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:52,724 INFO  L225             Difference]: With dead ends: 27772
[2024-11-08 11:11:52,724 INFO  L226             Difference]: Without dead ends: 15925
[2024-11-08 11:11:52,733 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:52,734 INFO  L432           NwaCegarLoop]: 358 mSDtfsCounter, 311 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:52,734 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 399 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-08 11:11:52,746 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15925 states.
[2024-11-08 11:11:52,915 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15925 to 12597.
[2024-11-08 11:11:52,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12597 states, 12596 states have (on average 1.11765639885678) internal successors, (14078), 12596 states have internal predecessors, (14078), 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)
[2024-11-08 11:11:52,941 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 14078 transitions.
[2024-11-08 11:11:52,942 INFO  L78                 Accepts]: Start accepts. Automaton has 12597 states and 14078 transitions. Word has length 300
[2024-11-08 11:11:52,943 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:52,943 INFO  L471      AbstractCegarLoop]: Abstraction has 12597 states and 14078 transitions.
[2024-11-08 11:11:52,943 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 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)
[2024-11-08 11:11:52,944 INFO  L276                IsEmpty]: Start isEmpty. Operand 12597 states and 14078 transitions.
[2024-11-08 11:11:52,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 317
[2024-11-08 11:11:52,950 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:52,950 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 11:11:52,950 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-08 11:11:52,950 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:52,951 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:52,951 INFO  L85        PathProgramCache]: Analyzing trace with hash 922831987, now seen corresponding path program 1 times
[2024-11-08 11:11:52,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:52,951 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625592659]
[2024-11-08 11:11:52,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:52,952 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:53,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:53,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 174 proven. 80 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-08 11:11:53,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:53,793 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625592659]
[2024-11-08 11:11:53,793 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625592659] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 11:11:53,794 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450844930]
[2024-11-08 11:11:53,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:53,794 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 11:11:53,794 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 11:11:53,797 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 11:11:53,798 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 11:11:53,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:53,928 INFO  L255         TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 11:11:53,937 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 11:11:54,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 338 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-08 11:11:54,432 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 11:11:54,432 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [450844930] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:54,433 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 11:11:54,433 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-08 11:11:54,433 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238408584]
[2024-11-08 11:11:54,433 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:54,434 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:11:54,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:54,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:11:54,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-08 11:11:54,435 INFO  L87              Difference]: Start difference. First operand 12597 states and 14078 transitions. Second operand  has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 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)
[2024-11-08 11:11:55,272 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:55,273 INFO  L93              Difference]: Finished difference Result 25378 states and 28346 transitions.
[2024-11-08 11:11:55,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:11:55,273 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 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 316
[2024-11-08 11:11:55,274 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:55,285 INFO  L225             Difference]: With dead ends: 25378
[2024-11-08 11:11:55,286 INFO  L226             Difference]: Without dead ends: 12783
[2024-11-08 11:11:55,292 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-08 11:11:55,293 INFO  L432           NwaCegarLoop]: 120 mSDtfsCounter, 293 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:55,293 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 150 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 11:11:55,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12783 states.
[2024-11-08 11:11:55,391 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12783 to 12597.
[2024-11-08 11:11:55,403 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12597 states, 12596 states have (on average 1.116703715465227) internal successors, (14066), 12596 states have internal predecessors, (14066), 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)
[2024-11-08 11:11:55,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 14066 transitions.
[2024-11-08 11:11:55,421 INFO  L78                 Accepts]: Start accepts. Automaton has 12597 states and 14066 transitions. Word has length 316
[2024-11-08 11:11:55,422 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:55,422 INFO  L471      AbstractCegarLoop]: Abstraction has 12597 states and 14066 transitions.
[2024-11-08 11:11:55,422 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 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)
[2024-11-08 11:11:55,422 INFO  L276                IsEmpty]: Start isEmpty. Operand 12597 states and 14066 transitions.
[2024-11-08 11:11:55,429 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 328
[2024-11-08 11:11:55,429 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:55,430 INFO  L215           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:11:55,447 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 11:11:55,633 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-11-08 11:11:55,634 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:55,635 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:55,635 INFO  L85        PathProgramCache]: Analyzing trace with hash -859097736, now seen corresponding path program 1 times
[2024-11-08 11:11:55,635 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:55,635 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054539538]
[2024-11-08 11:11:55,635 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:55,636 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:55,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:55,984 INFO  L134       CoverageAnalysis]: Checked inductivity of 177 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-11-08 11:11:55,985 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:55,985 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054539538]
[2024-11-08 11:11:55,985 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054539538] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:55,985 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:55,985 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:11:55,985 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423454406]
[2024-11-08 11:11:55,985 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:55,985 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:11:55,986 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:55,986 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:11:55,986 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:55,986 INFO  L87              Difference]: Start difference. First operand 12597 states and 14066 transitions. Second operand  has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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)
[2024-11-08 11:11:56,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:56,644 INFO  L93              Difference]: Finished difference Result 27596 states and 30780 transitions.
[2024-11-08 11:11:56,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:11:56,645 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 327
[2024-11-08 11:11:56,645 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:56,658 INFO  L225             Difference]: With dead ends: 27596
[2024-11-08 11:11:56,658 INFO  L226             Difference]: Without dead ends: 15001
[2024-11-08 11:11:56,668 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:11:56,668 INFO  L432           NwaCegarLoop]: 115 mSDtfsCounter, 193 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:56,669 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 135 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 11:11:56,678 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15001 states.
[2024-11-08 11:11:56,814 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15001 to 11481.
[2024-11-08 11:11:56,822 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11481 states, 11480 states have (on average 1.1169860627177701) internal successors, (12823), 11480 states have internal predecessors, (12823), 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)
[2024-11-08 11:11:56,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11481 states to 11481 states and 12823 transitions.
[2024-11-08 11:11:56,837 INFO  L78                 Accepts]: Start accepts. Automaton has 11481 states and 12823 transitions. Word has length 327
[2024-11-08 11:11:56,837 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:56,838 INFO  L471      AbstractCegarLoop]: Abstraction has 11481 states and 12823 transitions.
[2024-11-08 11:11:56,838 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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)
[2024-11-08 11:11:56,838 INFO  L276                IsEmpty]: Start isEmpty. Operand 11481 states and 12823 transitions.
[2024-11-08 11:11:56,846 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 339
[2024-11-08 11:11:56,846 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:56,846 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 11:11:56,847 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-08 11:11:56,847 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:56,847 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:56,848 INFO  L85        PathProgramCache]: Analyzing trace with hash -2055586056, now seen corresponding path program 1 times
[2024-11-08 11:11:56,848 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:56,848 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505107061]
[2024-11-08 11:11:56,848 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:56,848 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:56,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:57,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 355 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked.
[2024-11-08 11:11:57,341 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:57,341 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505107061]
[2024-11-08 11:11:57,341 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505107061] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:57,341 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:57,341 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 11:11:57,341 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651199581]
[2024-11-08 11:11:57,341 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:57,342 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:11:57,342 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:57,342 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:11:57,342 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:57,342 INFO  L87              Difference]: Start difference. First operand 11481 states and 12823 transitions. Second operand  has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 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)
[2024-11-08 11:11:58,483 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:58,484 INFO  L93              Difference]: Finished difference Result 27206 states and 30325 transitions.
[2024-11-08 11:11:58,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:11:58,485 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 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 338
[2024-11-08 11:11:58,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:58,503 INFO  L225             Difference]: With dead ends: 27206
[2024-11-08 11:11:58,504 INFO  L226             Difference]: Without dead ends: 15172
[2024-11-08 11:11:58,515 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:58,516 INFO  L432           NwaCegarLoop]: 319 mSDtfsCounter, 306 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:58,516 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 367 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-08 11:11:58,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15172 states.
[2024-11-08 11:11:58,657 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15172 to 10360.
[2024-11-08 11:11:58,663 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10360 states, 10359 states have (on average 1.1105319046239985) internal successors, (11504), 10359 states have internal predecessors, (11504), 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)
[2024-11-08 11:11:58,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 11504 transitions.
[2024-11-08 11:11:58,677 INFO  L78                 Accepts]: Start accepts. Automaton has 10360 states and 11504 transitions. Word has length 338
[2024-11-08 11:11:58,677 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:58,677 INFO  L471      AbstractCegarLoop]: Abstraction has 10360 states and 11504 transitions.
[2024-11-08 11:11:58,677 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 60.75) internal successors, (243), 4 states have internal predecessors, (243), 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)
[2024-11-08 11:11:58,677 INFO  L276                IsEmpty]: Start isEmpty. Operand 10360 states and 11504 transitions.
[2024-11-08 11:11:58,686 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 352
[2024-11-08 11:11:58,686 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:58,686 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-08 11:11:58,686 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-08 11:11:58,686 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:58,687 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:58,687 INFO  L85        PathProgramCache]: Analyzing trace with hash 1201451964, now seen corresponding path program 1 times
[2024-11-08 11:11:58,687 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:58,687 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151570641]
[2024-11-08 11:11:58,688 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:58,688 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:11:58,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:11:59,104 INFO  L134       CoverageAnalysis]: Checked inductivity of 363 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2024-11-08 11:11:59,105 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:11:59,105 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151570641]
[2024-11-08 11:11:59,105 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151570641] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:11:59,105 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:11:59,105 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 11:11:59,106 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914757825]
[2024-11-08 11:11:59,106 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:11:59,107 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:11:59,107 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:11:59,107 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:11:59,107 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:59,108 INFO  L87              Difference]: Start difference. First operand 10360 states and 11504 transitions. Second operand  has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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)
[2024-11-08 11:11:59,810 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:11:59,810 INFO  L93              Difference]: Finished difference Result 22193 states and 24552 transitions.
[2024-11-08 11:11:59,810 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:11:59,811 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 351
[2024-11-08 11:11:59,811 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:11:59,819 INFO  L225             Difference]: With dead ends: 22193
[2024-11-08 11:11:59,820 INFO  L226             Difference]: Without dead ends: 11835
[2024-11-08 11:11:59,825 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:11:59,825 INFO  L432           NwaCegarLoop]: 33 mSDtfsCounter, 328 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 11:11:59,825 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 57 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 11:11:59,831 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11835 states.
[2024-11-08 11:11:59,891 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11835 to 9619.
[2024-11-08 11:11:59,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9619 states, 9618 states have (on average 1.1072988147223954) internal successors, (10650), 9618 states have internal predecessors, (10650), 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)
[2024-11-08 11:11:59,966 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9619 states to 9619 states and 10650 transitions.
[2024-11-08 11:11:59,967 INFO  L78                 Accepts]: Start accepts. Automaton has 9619 states and 10650 transitions. Word has length 351
[2024-11-08 11:11:59,967 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:11:59,967 INFO  L471      AbstractCegarLoop]: Abstraction has 9619 states and 10650 transitions.
[2024-11-08 11:11:59,967 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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)
[2024-11-08 11:11:59,967 INFO  L276                IsEmpty]: Start isEmpty. Operand 9619 states and 10650 transitions.
[2024-11-08 11:11:59,974 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 387
[2024-11-08 11:11:59,974 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:11:59,975 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:11:59,975 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-08 11:11:59,975 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:11:59,975 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:11:59,976 INFO  L85        PathProgramCache]: Analyzing trace with hash -289830597, now seen corresponding path program 1 times
[2024-11-08 11:11:59,976 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:11:59,976 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427687807]
[2024-11-08 11:11:59,976 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:11:59,976 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:12:00,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:12:00,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 395 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-08 11:12:00,185 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:12:00,185 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427687807]
[2024-11-08 11:12:00,185 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427687807] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:12:00,185 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:12:00,185 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:12:00,185 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89944505]
[2024-11-08 11:12:00,185 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:12:00,186 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:12:00,186 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:12:00,186 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:12:00,186 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:12:00,187 INFO  L87              Difference]: Start difference. First operand 9619 states and 10650 transitions. Second operand  has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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)
[2024-11-08 11:12:01,043 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:12:01,044 INFO  L93              Difference]: Finished difference Result 26249 states and 29041 transitions.
[2024-11-08 11:12:01,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:12:01,044 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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 386
[2024-11-08 11:12:01,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:12:01,064 INFO  L225             Difference]: With dead ends: 26249
[2024-11-08 11:12:01,064 INFO  L226             Difference]: Without dead ends: 16632
[2024-11-08 11:12:01,073 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:12:01,074 INFO  L432           NwaCegarLoop]: 30 mSDtfsCounter, 220 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 11:12:01,074 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 64 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 11:12:01,085 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16632 states.
[2024-11-08 11:12:01,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 15333.
[2024-11-08 11:12:01,209 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15333 states, 15332 states have (on average 1.1049439081659276) internal successors, (16941), 15332 states have internal predecessors, (16941), 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)
[2024-11-08 11:12:01,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15333 states to 15333 states and 16941 transitions.
[2024-11-08 11:12:01,224 INFO  L78                 Accepts]: Start accepts. Automaton has 15333 states and 16941 transitions. Word has length 386
[2024-11-08 11:12:01,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:12:01,224 INFO  L471      AbstractCegarLoop]: Abstraction has 15333 states and 16941 transitions.
[2024-11-08 11:12:01,225 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 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)
[2024-11-08 11:12:01,225 INFO  L276                IsEmpty]: Start isEmpty. Operand 15333 states and 16941 transitions.
[2024-11-08 11:12:01,238 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 532
[2024-11-08 11:12:01,238 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:12:01,238 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:12:01,238 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-08 11:12:01,239 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:12:01,239 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:12:01,239 INFO  L85        PathProgramCache]: Analyzing trace with hash 1206273662, now seen corresponding path program 1 times
[2024-11-08 11:12:01,239 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:12:01,239 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747348883]
[2024-11-08 11:12:01,239 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:12:01,240 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:12:01,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:12:01,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 782 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked.
[2024-11-08 11:12:01,606 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:12:01,606 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747348883]
[2024-11-08 11:12:01,606 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747348883] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:12:01,606 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:12:01,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:12:01,606 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47255763]
[2024-11-08 11:12:01,606 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:12:01,607 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 11:12:01,607 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:12:01,608 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 11:12:01,608 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:12:01,608 INFO  L87              Difference]: Start difference. First operand 15333 states and 16941 transitions. Second operand  has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 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)
[2024-11-08 11:12:02,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:12:02,461 INFO  L93              Difference]: Finished difference Result 29567 states and 32664 transitions.
[2024-11-08 11:12:02,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 11:12:02,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 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 531
[2024-11-08 11:12:02,463 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:12:02,477 INFO  L225             Difference]: With dead ends: 29567
[2024-11-08 11:12:02,478 INFO  L226             Difference]: Without dead ends: 16632
[2024-11-08 11:12:02,486 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 11:12:02,487 INFO  L432           NwaCegarLoop]: 30 mSDtfsCounter, 175 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 11:12:02,487 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 71 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 11:12:02,499 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16632 states.
[2024-11-08 11:12:02,619 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 15149.
[2024-11-08 11:12:02,628 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15149 states, 15148 states have (on average 1.1043041985740691) internal successors, (16728), 15148 states have internal predecessors, (16728), 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)
[2024-11-08 11:12:02,643 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15149 states to 15149 states and 16728 transitions.
[2024-11-08 11:12:02,644 INFO  L78                 Accepts]: Start accepts. Automaton has 15149 states and 16728 transitions. Word has length 531
[2024-11-08 11:12:02,644 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:12:02,644 INFO  L471      AbstractCegarLoop]: Abstraction has 15149 states and 16728 transitions.
[2024-11-08 11:12:02,644 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 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)
[2024-11-08 11:12:02,644 INFO  L276                IsEmpty]: Start isEmpty. Operand 15149 states and 16728 transitions.
[2024-11-08 11:12:02,659 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 546
[2024-11-08 11:12:02,659 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:12:02,659 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 11:12:02,660 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-08 11:12:02,660 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:12:02,660 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:12:02,660 INFO  L85        PathProgramCache]: Analyzing trace with hash 594473960, now seen corresponding path program 1 times
[2024-11-08 11:12:02,660 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:12:02,660 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803186681]
[2024-11-08 11:12:02,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:12:02,661 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:12:02,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:12:02,992 INFO  L134       CoverageAnalysis]: Checked inductivity of 999 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked.
[2024-11-08 11:12:02,992 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:12:02,992 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803186681]
[2024-11-08 11:12:02,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803186681] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:12:02,992 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:12:02,993 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:12:02,993 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470085561]
[2024-11-08 11:12:02,993 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:12:02,993 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:12:02,994 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:12:02,994 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:12:02,994 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:12:02,994 INFO  L87              Difference]: Start difference. First operand 15149 states and 16728 transitions. Second operand  has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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)
[2024-11-08 11:12:03,553 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:12:03,553 INFO  L93              Difference]: Finished difference Result 28100 states and 31045 transitions.
[2024-11-08 11:12:03,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:12:03,553 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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 545
[2024-11-08 11:12:03,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:12:03,569 INFO  L225             Difference]: With dead ends: 28100
[2024-11-08 11:12:03,569 INFO  L226             Difference]: Without dead ends: 15165
[2024-11-08 11:12:03,576 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:12:03,577 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 102 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 11:12:03,577 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 160 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 11:12:03,583 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15165 states.
[2024-11-08 11:12:03,672 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15165 to 14781.
[2024-11-08 11:12:03,680 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14781 states, 14780 states have (on average 1.097361299052774) internal successors, (16219), 14780 states have internal predecessors, (16219), 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)
[2024-11-08 11:12:03,695 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 16219 transitions.
[2024-11-08 11:12:03,696 INFO  L78                 Accepts]: Start accepts. Automaton has 14781 states and 16219 transitions. Word has length 545
[2024-11-08 11:12:03,696 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:12:03,696 INFO  L471      AbstractCegarLoop]: Abstraction has 14781 states and 16219 transitions.
[2024-11-08 11:12:03,696 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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)
[2024-11-08 11:12:03,696 INFO  L276                IsEmpty]: Start isEmpty. Operand 14781 states and 16219 transitions.
[2024-11-08 11:12:03,707 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 547
[2024-11-08 11:12:03,707 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 11:12:03,708 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 11:12:03,708 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-08 11:12:03,708 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 11:12:03,708 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 11:12:03,708 INFO  L85        PathProgramCache]: Analyzing trace with hash 1192251747, now seen corresponding path program 1 times
[2024-11-08 11:12:03,708 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 11:12:03,708 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048300768]
[2024-11-08 11:12:03,709 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 11:12:03,709 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 11:12:03,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 11:12:03,928 INFO  L134       CoverageAnalysis]: Checked inductivity of 999 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked.
[2024-11-08 11:12:03,928 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 11:12:03,928 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048300768]
[2024-11-08 11:12:03,928 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048300768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 11:12:03,928 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 11:12:03,928 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 11:12:03,928 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796584188]
[2024-11-08 11:12:03,928 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 11:12:03,929 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 11:12:03,929 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 11:12:03,929 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 11:12:03,930 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:12:03,930 INFO  L87              Difference]: Start difference. First operand 14781 states and 16219 transitions. Second operand  has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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)
[2024-11-08 11:12:04,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 11:12:04,443 INFO  L93              Difference]: Finished difference Result 30660 states and 33607 transitions.
[2024-11-08 11:12:04,443 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 11:12:04,443 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 546
[2024-11-08 11:12:04,444 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 11:12:04,444 INFO  L225             Difference]: With dead ends: 30660
[2024-11-08 11:12:04,444 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 11:12:04,454 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 11:12:04,455 INFO  L432           NwaCegarLoop]: 109 mSDtfsCounter, 101 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 11:12:04,455 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 127 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 11:12:04,456 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 11:12:04,456 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 11:12:04,456 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-11-08 11:12:04,456 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 11:12:04,457 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 546
[2024-11-08 11:12:04,457 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 11:12:04,457 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 11:12:04,457 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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)
[2024-11-08 11:12:04,457 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 11:12:04,458 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 11:12:04,460 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 11:12:04,461 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-08 11:12:04,464 INFO  L407         BasicCegarLoop]: Path program 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]
[2024-11-08 11:12:04,465 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 11:12:12,358 WARN  L286               SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 493 DAG size of output: 609 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)
[2024-11-08 11:12:14,384 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 11:12:14,401 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:12:14 BoogieIcfgContainer
[2024-11-08 11:12:14,401 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 11:12:14,402 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 11:12:14,402 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 11:12:14,402 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 11:12:14,402 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:31" (3/4) ...
[2024-11-08 11:12:14,405 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 11:12:14,428 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-08 11:12:14,429 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 11:12:14,430 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 11:12:14,431 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 11:12:14,600 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-08 11:12:14,600 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-08 11:12:14,600 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 11:12:14,601 INFO  L158              Benchmark]: Toolchain (without parser) took 45999.44ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 105.5MB in the beginning and 988.3MB in the end (delta: -882.8MB). Peak memory consumption was 201.1MB. Max. memory is 16.1GB.
[2024-11-08 11:12:14,601 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 11:12:14,602 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 736.74ms. Allocated memory is still 155.2MB. Free memory was 105.5MB in the beginning and 57.2MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB.
[2024-11-08 11:12:14,602 INFO  L158              Benchmark]: Boogie Procedure Inliner took 154.46ms. Allocated memory is still 155.2MB. Free memory was 57.2MB in the beginning and 116.2MB in the end (delta: -58.9MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB.
[2024-11-08 11:12:14,603 INFO  L158              Benchmark]: Boogie Preprocessor took 177.43ms. Allocated memory is still 155.2MB. Free memory was 116.2MB in the beginning and 90.3MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-08 11:12:14,603 INFO  L158              Benchmark]: RCFGBuilder took 1940.95ms. Allocated memory was 155.2MB in the beginning and 237.0MB in the end (delta: 81.8MB). Free memory was 90.3MB in the beginning and 158.1MB in the end (delta: -67.8MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB.
[2024-11-08 11:12:14,605 INFO  L158              Benchmark]: TraceAbstraction took 42785.07ms. Allocated memory was 237.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 158.1MB in the beginning and 1.0GB in the end (delta: -848.0MB). Peak memory consumption was 750.1MB. Max. memory is 16.1GB.
[2024-11-08 11:12:14,605 INFO  L158              Benchmark]: Witness Printer took 198.53ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 988.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 11:12:14,607 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 736.74ms. Allocated memory is still 155.2MB. Free memory was 105.5MB in the beginning and 57.2MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 154.46ms. Allocated memory is still 155.2MB. Free memory was 57.2MB in the beginning and 116.2MB in the end (delta: -58.9MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 177.43ms. Allocated memory is still 155.2MB. Free memory was 116.2MB in the beginning and 90.3MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1940.95ms. Allocated memory was 155.2MB in the beginning and 237.0MB in the end (delta: 81.8MB). Free memory was 90.3MB in the beginning and 158.1MB in the end (delta: -67.8MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 42785.07ms. Allocated memory was 237.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 158.1MB in the beginning and 1.0GB in the end (delta: -848.0MB). Peak memory consumption was 750.1MB. Max. memory is 16.1GB.
 * Witness Printer took 198.53ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 988.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 103]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4643 SdHoareTripleChecker+Valid, 17.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4643 mSDsluCounter, 5096 SdHoareTripleChecker+Invalid, 14.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 2156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17708 IncrementalHoareTripleChecker+Invalid, 19864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2156 mSolverCounterUnsat, 4425 mSDtfsCounter, 17708 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 651 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15333occurred in iteration=21, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 26511 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 7094 NumberOfCodeBlocks, 7094 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7068 ConstructedInterpolants, 0 QuantifiedInterpolants, 20340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 821 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 6513/6626 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 1044]: Loop Invariant
    Derived loop invariant: (((((((((((((((((((((a29 <= 599999) && (a4 == 1)) && (a25 <= 9)) || ((((((long long) a23 + 43) <= 0) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || ((((a29 <= 140) && (a4 == 0)) && (a23 <= 262)) && (a25 <= 9))) || ((((((long long) a23 + 43) <= 0) && (a4 == 0)) && (a29 <= 599999)) && (a25 <= 9))) || (((a25 == 11) && (a29 <= 599999)) && (a4 == 1))) || ((((307 <= a23) && (a29 <= 599999)) && (a4 == 1)) && (a25 == 10))) || (((((long long) a23 + 43) <= 0) && (a29 <= 275)) && (a4 == 1))) || (((a25 == 13) && (a29 <= 599999)) && (a4 == 1))) || (((a4 == 0) && (a25 == 10)) && (a29 <= 130))) || (((a29 <= 275) && (a25 == 12)) && (a4 == 0))) || ((((a25 == 13) && (a4 == 0)) && (((long long) 35913 + a29) <= 0)) && (a23 <= 137))) || (((a29 <= 244) && (a4 == 1)) && (a25 == 10))) || ((((((long long) a23 + 43) <= 0) && (a4 == 0)) && (a25 == 11)) && (a29 <= 599999))) || ((((a29 <= 140) && (a4 == 0)) && (a23 <= 262)) && (a25 == 10))) || (((a25 == 12) && (a29 <= 599999)) && (a4 == 1))) || (((a25 == 11) && (a4 == 1)) && (a23 <= 137))) || ((((a25 == 12) && (a4 == 0)) && (a29 <= 599999)) && (a23 <= 137))) || ((((a25 == 13) && (((long long) a23 + 43) <= 0)) && (a29 <= 275)) && (a4 == 0))) || ((((a29 <= 275) && (a4 == 0)) && (a25 == 11)) && (a23 <= 262)))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 11:12:14,638 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE