./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i -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 11f663f31fd7e407dcb664c9f5df2c771bffa1ce1600c8629f9e6c1a07759991
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 19:41:01,634 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 19:41:01,693 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 19:41:01,697 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 19:41:01,697 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 19:41:01,724 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 19:41:01,725 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 19:41:01,725 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 19:41:01,726 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 19:41:01,726 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 19:41:01,727 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 19:41:01,727 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 19:41:01,727 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 19:41:01,728 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 19:41:01,728 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 19:41:01,728 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 19:41:01,728 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 19:41:01,731 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 19:41:01,731 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 19:41:01,731 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 19:41:01,731 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 19:41:01,732 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 19:41:01,732 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 19:41:01,732 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 19:41:01,732 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 19:41:01,732 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 19:41:01,732 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 19:41:01,733 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 19:41:01,733 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 19:41:01,733 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 19:41:01,733 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 19:41:01,733 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 19:41:01,733 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 19:41:01,734 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 19:41:01,734 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 19:41:01,734 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 19:41:01,734 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 19:41:01,734 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 19:41:01,734 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 19:41:01,735 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 19:41:01,735 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 19:41:01,737 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 19:41:01,738 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 -> 11f663f31fd7e407dcb664c9f5df2c771bffa1ce1600c8629f9e6c1a07759991
[2024-11-18 19:41:01,930 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 19:41:01,948 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 19:41:01,951 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 19:41:01,952 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 19:41:01,953 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 19:41:01,953 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i
[2024-11-18 19:41:03,173 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 19:41:03,344 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 19:41:03,345 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i
[2024-11-18 19:41:03,351 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50e20b86a/bc3e8317085542609f9981d9263bcdb6/FLAGb0af3866e
[2024-11-18 19:41:03,362 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50e20b86a/bc3e8317085542609f9981d9263bcdb6
[2024-11-18 19:41:03,364 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 19:41:03,365 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 19:41:03,366 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 19:41:03,366 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 19:41:03,371 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 19:41:03,371 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,372 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbf2434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03, skipping insertion in model container
[2024-11-18 19:41:03,372 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,397 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 19:41:03,564 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i[915,928]
[2024-11-18 19:41:03,633 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 19:41:03,641 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 19:41:03,650 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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-34.i[915,928]
[2024-11-18 19:41:03,680 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 19:41:03,699 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 19:41:03,700 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03 WrapperNode
[2024-11-18 19:41:03,700 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 19:41:03,701 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 19:41:03,701 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 19:41:03,701 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 19:41:03,706 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,715 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,743 INFO  L138                Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244
[2024-11-18 19:41:03,743 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 19:41:03,744 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 19:41:03,744 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 19:41:03,744 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 19:41:03,754 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,754 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,757 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,775 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-18 19:41:03,776 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,776 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,786 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,793 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,797 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,802 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,805 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 19:41:03,806 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 19:41:03,806 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 19:41:03,809 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 19:41:03,810 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (1/1) ...
[2024-11-18 19:41:03,816 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 19:41:03,824 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 19:41:03,837 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-18 19:41:03,839 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-18 19:41:03,869 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 19:41:03,870 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-18 19:41:03,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-18 19:41:03,870 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 19:41:03,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 19:41:03,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 19:41:03,939 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 19:41:03,941 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 19:41:04,262 INFO  L?                        ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-11-18 19:41:04,263 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 19:41:04,282 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 19:41:04,282 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-18 19:41:04,283 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:41:04 BoogieIcfgContainer
[2024-11-18 19:41:04,283 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 19:41:04,286 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 19:41:04,287 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 19:41:04,290 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 19:41:04,290 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:41:03" (1/3) ...
[2024-11-18 19:41:04,291 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f83547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:41:04, skipping insertion in model container
[2024-11-18 19:41:04,292 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:41:03" (2/3) ...
[2024-11-18 19:41:04,292 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f83547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:41:04, skipping insertion in model container
[2024-11-18 19:41:04,292 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:41:04" (3/3) ...
[2024-11-18 19:41:04,294 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-34.i
[2024-11-18 19:41:04,308 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 19:41:04,309 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 19:41:04,366 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 19:41:04,373 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;@88f28e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 19:41:04,374 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 19:41:04,378 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 99 states, 69 states have (on average 1.463768115942029) internal successors, (101), 70 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-18 19:41:04,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-18 19:41:04,393 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:04,394 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:04,395 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:04,399 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:04,401 INFO  L85        PathProgramCache]: Analyzing trace with hash -1302440786, now seen corresponding path program 1 times
[2024-11-18 19:41:04,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:04,409 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881580978]
[2024-11-18 19:41:04,409 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:04,410 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:04,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:04,701 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked.
[2024-11-18 19:41:04,702 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:04,702 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881580978]
[2024-11-18 19:41:04,703 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881580978] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 19:41:04,703 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944609182]
[2024-11-18 19:41:04,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:04,703 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 19:41:04,703 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 19:41:04,705 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-18 19:41:04,705 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-18 19:41:04,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:04,845 INFO  L255         TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-18 19:41:04,853 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 19:41:04,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked.
[2024-11-18 19:41:04,904 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-18 19:41:04,904 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [944609182] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:04,904 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-18 19:41:04,905 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-18 19:41:04,907 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106190897]
[2024-11-18 19:41:04,908 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:04,912 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-18 19:41:04,913 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:04,930 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-18 19:41:04,931 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 19:41:04,947 INFO  L87              Difference]: Start difference. First operand  has 99 states, 69 states have (on average 1.463768115942029) internal successors, (101), 70 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-18 19:41:04,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:04,999 INFO  L93              Difference]: Finished difference Result 191 states and 331 transitions.
[2024-11-18 19:41:05,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-18 19:41:05,003 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177
[2024-11-18 19:41:05,003 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:05,013 INFO  L225             Difference]: With dead ends: 191
[2024-11-18 19:41:05,013 INFO  L226             Difference]: Without dead ends: 95
[2024-11-18 19:41:05,016 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 19:41:05,018 INFO  L432           NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:05,020 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 19:41:05,033 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-11-18 19:41:05,060 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2024-11-18 19:41:05,062 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-18 19:41:05,064 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions.
[2024-11-18 19:41:05,066 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 177
[2024-11-18 19:41:05,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:05,066 INFO  L471      AbstractCegarLoop]: Abstraction has 95 states and 148 transitions.
[2024-11-18 19:41:05,067 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-18 19:41:05,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions.
[2024-11-18 19:41:05,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-18 19:41:05,070 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:05,070 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:05,088 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-18 19:41:05,274 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-18 19:41:05,275 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:05,276 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:05,276 INFO  L85        PathProgramCache]: Analyzing trace with hash -1470251024, now seen corresponding path program 1 times
[2024-11-18 19:41:05,276 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:05,276 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68582792]
[2024-11-18 19:41:05,276 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:05,276 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:05,353 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:05,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:05,720 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:05,720 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68582792]
[2024-11-18 19:41:05,720 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68582792] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:05,720 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:05,720 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 19:41:05,720 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929255752]
[2024-11-18 19:41:05,721 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:05,722 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 19:41:05,722 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:05,722 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 19:41:05,722 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 19:41:05,723 INFO  L87              Difference]: Start difference. First operand 95 states and 148 transitions. Second operand  has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:05,901 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:05,901 INFO  L93              Difference]: Finished difference Result 309 states and 483 transitions.
[2024-11-18 19:41:05,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 19:41:05,902 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177
[2024-11-18 19:41:05,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:05,906 INFO  L225             Difference]: With dead ends: 309
[2024-11-18 19:41:05,906 INFO  L226             Difference]: Without dead ends: 217
[2024-11-18 19:41:05,907 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 19:41:05,908 INFO  L432           NwaCegarLoop]: 183 mSDtfsCounter, 154 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:05,908 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 462 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 19:41:05,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2024-11-18 19:41:05,941 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 187.
[2024-11-18 19:41:05,943 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 187 states, 130 states have (on average 1.4230769230769231) internal successors, (185), 130 states have internal predecessors, (185), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-18 19:41:05,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 293 transitions.
[2024-11-18 19:41:05,949 INFO  L78                 Accepts]: Start accepts. Automaton has 187 states and 293 transitions. Word has length 177
[2024-11-18 19:41:05,950 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:05,950 INFO  L471      AbstractCegarLoop]: Abstraction has 187 states and 293 transitions.
[2024-11-18 19:41:05,950 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:05,950 INFO  L276                IsEmpty]: Start isEmpty. Operand 187 states and 293 transitions.
[2024-11-18 19:41:05,953 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2024-11-18 19:41:05,953 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:05,953 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:05,955 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 19:41:05,956 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:05,956 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:05,957 INFO  L85        PathProgramCache]: Analyzing trace with hash 219795577, now seen corresponding path program 1 times
[2024-11-18 19:41:05,957 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:05,958 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805774591]
[2024-11-18 19:41:05,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:05,958 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:06,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:06,219 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:06,219 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:06,220 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805774591]
[2024-11-18 19:41:06,220 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805774591] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:06,220 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:06,220 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 19:41:06,220 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143482333]
[2024-11-18 19:41:06,220 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:06,221 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 19:41:06,221 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:06,221 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 19:41:06,222 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 19:41:06,222 INFO  L87              Difference]: Start difference. First operand 187 states and 293 transitions. Second operand  has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:06,474 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:06,474 INFO  L93              Difference]: Finished difference Result 550 states and 862 transitions.
[2024-11-18 19:41:06,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-18 19:41:06,475 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178
[2024-11-18 19:41:06,475 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:06,478 INFO  L225             Difference]: With dead ends: 550
[2024-11-18 19:41:06,478 INFO  L226             Difference]: Without dead ends: 366
[2024-11-18 19:41:06,479 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 19:41:06,480 INFO  L432           NwaCegarLoop]: 243 mSDtfsCounter, 225 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:06,480 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 456 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 19:41:06,481 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 366 states.
[2024-11-18 19:41:06,507 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 191.
[2024-11-18 19:41:06,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 191 states, 134 states have (on average 1.4104477611940298) internal successors, (189), 134 states have internal predecessors, (189), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-18 19:41:06,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 297 transitions.
[2024-11-18 19:41:06,510 INFO  L78                 Accepts]: Start accepts. Automaton has 191 states and 297 transitions. Word has length 178
[2024-11-18 19:41:06,510 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:06,510 INFO  L471      AbstractCegarLoop]: Abstraction has 191 states and 297 transitions.
[2024-11-18 19:41:06,510 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:06,511 INFO  L276                IsEmpty]: Start isEmpty. Operand 191 states and 297 transitions.
[2024-11-18 19:41:06,514 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-18 19:41:06,514 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:06,515 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:06,515 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 19:41:06,515 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:06,515 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:06,515 INFO  L85        PathProgramCache]: Analyzing trace with hash -1006525000, now seen corresponding path program 1 times
[2024-11-18 19:41:06,515 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:06,515 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266530189]
[2024-11-18 19:41:06,516 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:06,516 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:06,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:07,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:07,820 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:07,820 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266530189]
[2024-11-18 19:41:07,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266530189] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:07,822 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:07,822 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-18 19:41:07,822 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650650056]
[2024-11-18 19:41:07,822 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:07,823 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-18 19:41:07,824 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:07,824 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-18 19:41:07,825 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-18 19:41:07,825 INFO  L87              Difference]: Start difference. First operand 191 states and 297 transitions. Second operand  has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:08,453 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:08,454 INFO  L93              Difference]: Finished difference Result 603 states and 923 transitions.
[2024-11-18 19:41:08,455 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-18 19:41:08,456 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179
[2024-11-18 19:41:08,456 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:08,460 INFO  L225             Difference]: With dead ends: 603
[2024-11-18 19:41:08,461 INFO  L226             Difference]: Without dead ends: 415
[2024-11-18 19:41:08,462 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-18 19:41:08,464 INFO  L432           NwaCegarLoop]: 112 mSDtfsCounter, 287 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:08,465 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 480 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-18 19:41:08,466 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 415 states.
[2024-11-18 19:41:08,524 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 339.
[2024-11-18 19:41:08,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 339 states, 254 states have (on average 1.437007874015748) internal successors, (365), 254 states have internal predecessors, (365), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-18 19:41:08,528 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 527 transitions.
[2024-11-18 19:41:08,529 INFO  L78                 Accepts]: Start accepts. Automaton has 339 states and 527 transitions. Word has length 179
[2024-11-18 19:41:08,529 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:08,530 INFO  L471      AbstractCegarLoop]: Abstraction has 339 states and 527 transitions.
[2024-11-18 19:41:08,530 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:08,530 INFO  L276                IsEmpty]: Start isEmpty. Operand 339 states and 527 transitions.
[2024-11-18 19:41:08,533 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-18 19:41:08,533 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:08,534 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:08,534 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 19:41:08,534 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:08,535 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:08,537 INFO  L85        PathProgramCache]: Analyzing trace with hash -1686583370, now seen corresponding path program 1 times
[2024-11-18 19:41:08,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:08,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520442598]
[2024-11-18 19:41:08,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:08,537 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:08,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:08,884 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:08,884 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:08,884 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520442598]
[2024-11-18 19:41:08,884 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520442598] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:08,885 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:08,885 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 19:41:08,885 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769052323]
[2024-11-18 19:41:08,885 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:08,885 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 19:41:08,885 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:08,886 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 19:41:08,886 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 19:41:08,886 INFO  L87              Difference]: Start difference. First operand 339 states and 527 transitions. Second operand  has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:09,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:09,131 INFO  L93              Difference]: Finished difference Result 583 states and 902 transitions.
[2024-11-18 19:41:09,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 19:41:09,132 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179
[2024-11-18 19:41:09,132 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:09,134 INFO  L225             Difference]: With dead ends: 583
[2024-11-18 19:41:09,135 INFO  L226             Difference]: Without dead ends: 329
[2024-11-18 19:41:09,136 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 19:41:09,137 INFO  L432           NwaCegarLoop]: 127 mSDtfsCounter, 107 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:09,137 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 371 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 19:41:09,138 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 329 states.
[2024-11-18 19:41:09,168 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 263.
[2024-11-18 19:41:09,169 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 263 states, 178 states have (on average 1.3932584269662922) internal successors, (248), 178 states have internal predecessors, (248), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-18 19:41:09,170 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 410 transitions.
[2024-11-18 19:41:09,170 INFO  L78                 Accepts]: Start accepts. Automaton has 263 states and 410 transitions. Word has length 179
[2024-11-18 19:41:09,171 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:09,171 INFO  L471      AbstractCegarLoop]: Abstraction has 263 states and 410 transitions.
[2024-11-18 19:41:09,171 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:09,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 263 states and 410 transitions.
[2024-11-18 19:41:09,172 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-18 19:41:09,172 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:09,173 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:09,173 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-18 19:41:09,173 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:09,173 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:09,173 INFO  L85        PathProgramCache]: Analyzing trace with hash 4592250, now seen corresponding path program 1 times
[2024-11-18 19:41:09,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:09,174 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622370016]
[2024-11-18 19:41:09,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:09,174 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:09,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:14,112 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:14,113 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:14,113 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622370016]
[2024-11-18 19:41:14,113 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622370016] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:14,113 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:14,113 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-18 19:41:14,113 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755160563]
[2024-11-18 19:41:14,113 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:14,113 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-18 19:41:14,114 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:14,114 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-18 19:41:14,114 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2024-11-18 19:41:14,115 INFO  L87              Difference]: Start difference. First operand 263 states and 410 transitions. Second operand  has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:15,314 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:15,315 INFO  L93              Difference]: Finished difference Result 600 states and 912 transitions.
[2024-11-18 19:41:15,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-18 19:41:15,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179
[2024-11-18 19:41:15,316 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:15,318 INFO  L225             Difference]: With dead ends: 600
[2024-11-18 19:41:15,318 INFO  L226             Difference]: Without dead ends: 401
[2024-11-18 19:41:15,320 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306
[2024-11-18 19:41:15,321 INFO  L432           NwaCegarLoop]: 114 mSDtfsCounter, 286 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:15,321 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 719 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-18 19:41:15,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 401 states.
[2024-11-18 19:41:15,345 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 331.
[2024-11-18 19:41:15,346 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 331 states, 246 states have (on average 1.4146341463414633) internal successors, (348), 246 states have internal predecessors, (348), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-18 19:41:15,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 510 transitions.
[2024-11-18 19:41:15,348 INFO  L78                 Accepts]: Start accepts. Automaton has 331 states and 510 transitions. Word has length 179
[2024-11-18 19:41:15,349 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:15,349 INFO  L471      AbstractCegarLoop]: Abstraction has 331 states and 510 transitions.
[2024-11-18 19:41:15,349 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:15,349 INFO  L276                IsEmpty]: Start isEmpty. Operand 331 states and 510 transitions.
[2024-11-18 19:41:15,350 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-18 19:41:15,350 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:15,350 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:15,351 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-18 19:41:15,351 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:15,351 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:15,351 INFO  L85        PathProgramCache]: Analyzing trace with hash -675466120, now seen corresponding path program 1 times
[2024-11-18 19:41:15,351 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:15,352 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682612104]
[2024-11-18 19:41:15,352 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:15,352 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:15,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:18,779 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:18,779 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:18,779 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682612104]
[2024-11-18 19:41:18,779 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682612104] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:18,779 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:18,780 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-18 19:41:18,780 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108527334]
[2024-11-18 19:41:18,780 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:18,780 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-18 19:41:18,780 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:18,781 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-18 19:41:18,781 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132
[2024-11-18 19:41:18,781 INFO  L87              Difference]: Start difference. First operand 331 states and 510 transitions. Second operand  has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:20,457 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:20,457 INFO  L93              Difference]: Finished difference Result 778 states and 1170 transitions.
[2024-11-18 19:41:20,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-18 19:41:20,458 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179
[2024-11-18 19:41:20,459 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:20,465 INFO  L225             Difference]: With dead ends: 778
[2024-11-18 19:41:20,465 INFO  L226             Difference]: Without dead ends: 590
[2024-11-18 19:41:20,466 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380
[2024-11-18 19:41:20,466 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 421 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:20,467 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 487 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-18 19:41:20,467 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 590 states.
[2024-11-18 19:41:20,494 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 439.
[2024-11-18 19:41:20,495 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 439 states, 342 states have (on average 1.4035087719298245) internal successors, (480), 344 states have internal predecessors, (480), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91)
[2024-11-18 19:41:20,497 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 662 transitions.
[2024-11-18 19:41:20,497 INFO  L78                 Accepts]: Start accepts. Automaton has 439 states and 662 transitions. Word has length 179
[2024-11-18 19:41:20,498 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:20,498 INFO  L471      AbstractCegarLoop]: Abstraction has 439 states and 662 transitions.
[2024-11-18 19:41:20,498 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:20,498 INFO  L276                IsEmpty]: Start isEmpty. Operand 439 states and 662 transitions.
[2024-11-18 19:41:20,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-18 19:41:20,499 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:20,499 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:20,499 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-18 19:41:20,500 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:20,500 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:20,500 INFO  L85        PathProgramCache]: Analyzing trace with hash 1099541242, now seen corresponding path program 1 times
[2024-11-18 19:41:20,500 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:20,500 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577685733]
[2024-11-18 19:41:20,500 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:20,501 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:20,543 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:22,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:22,327 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:22,327 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577685733]
[2024-11-18 19:41:22,327 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577685733] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:22,327 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:22,327 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-18 19:41:22,327 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956821076]
[2024-11-18 19:41:22,328 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:22,328 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-18 19:41:22,328 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:22,328 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-18 19:41:22,328 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-18 19:41:22,329 INFO  L87              Difference]: Start difference. First operand 439 states and 662 transitions. Second operand  has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:23,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:23,207 INFO  L93              Difference]: Finished difference Result 946 states and 1406 transitions.
[2024-11-18 19:41:23,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 19:41:23,207 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179
[2024-11-18 19:41:23,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:23,211 INFO  L225             Difference]: With dead ends: 946
[2024-11-18 19:41:23,211 INFO  L226             Difference]: Without dead ends: 658
[2024-11-18 19:41:23,212 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210
[2024-11-18 19:41:23,212 INFO  L432           NwaCegarLoop]: 111 mSDtfsCounter, 294 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:23,212 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 573 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-18 19:41:23,213 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 658 states.
[2024-11-18 19:41:23,239 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 480.
[2024-11-18 19:41:23,240 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 480 states, 383 states have (on average 1.391644908616188) internal successors, (533), 385 states have internal predecessors, (533), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91)
[2024-11-18 19:41:23,241 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 715 transitions.
[2024-11-18 19:41:23,242 INFO  L78                 Accepts]: Start accepts. Automaton has 480 states and 715 transitions. Word has length 179
[2024-11-18 19:41:23,242 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:23,242 INFO  L471      AbstractCegarLoop]: Abstraction has 480 states and 715 transitions.
[2024-11-18 19:41:23,242 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:23,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 480 states and 715 transitions.
[2024-11-18 19:41:23,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-18 19:41:23,244 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:23,245 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:23,245 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-18 19:41:23,245 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:23,245 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:23,245 INFO  L85        PathProgramCache]: Analyzing trace with hash -1945599191, now seen corresponding path program 1 times
[2024-11-18 19:41:23,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:23,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428944515]
[2024-11-18 19:41:23,246 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:23,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:23,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:24,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:24,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:24,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428944515]
[2024-11-18 19:41:24,353 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428944515] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:24,353 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:24,353 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 19:41:24,353 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997374415]
[2024-11-18 19:41:24,353 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:24,354 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 19:41:24,354 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:24,354 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 19:41:24,354 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-18 19:41:24,355 INFO  L87              Difference]: Start difference. First operand 480 states and 715 transitions. Second operand  has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:24,730 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:24,731 INFO  L93              Difference]: Finished difference Result 836 states and 1244 transitions.
[2024-11-18 19:41:24,731 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 19:41:24,731 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179
[2024-11-18 19:41:24,731 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:24,735 INFO  L225             Difference]: With dead ends: 836
[2024-11-18 19:41:24,735 INFO  L226             Difference]: Without dead ends: 534
[2024-11-18 19:41:24,735 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-11-18 19:41:24,737 INFO  L432           NwaCegarLoop]: 120 mSDtfsCounter, 173 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:24,737 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 449 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 19:41:24,738 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 534 states.
[2024-11-18 19:41:24,766 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 480.
[2024-11-18 19:41:24,767 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 480 states, 383 states have (on average 1.3759791122715406) internal successors, (527), 385 states have internal predecessors, (527), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91)
[2024-11-18 19:41:24,768 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 709 transitions.
[2024-11-18 19:41:24,769 INFO  L78                 Accepts]: Start accepts. Automaton has 480 states and 709 transitions. Word has length 179
[2024-11-18 19:41:24,769 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:24,769 INFO  L471      AbstractCegarLoop]: Abstraction has 480 states and 709 transitions.
[2024-11-18 19:41:24,769 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:24,770 INFO  L276                IsEmpty]: Start isEmpty. Operand 480 states and 709 transitions.
[2024-11-18 19:41:24,772 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-18 19:41:24,772 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:24,772 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:24,772 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-18 19:41:24,772 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:24,773 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:24,773 INFO  L85        PathProgramCache]: Analyzing trace with hash 505905582, now seen corresponding path program 1 times
[2024-11-18 19:41:24,773 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:24,773 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111772765]
[2024-11-18 19:41:24,773 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:24,773 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:24,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:24,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:24,872 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:24,872 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111772765]
[2024-11-18 19:41:24,872 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111772765] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:24,872 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:24,872 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 19:41:24,872 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396299120]
[2024-11-18 19:41:24,872 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:24,873 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 19:41:24,873 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:24,873 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 19:41:24,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 19:41:24,874 INFO  L87              Difference]: Start difference. First operand 480 states and 709 transitions. Second operand  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:24,915 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:24,915 INFO  L93              Difference]: Finished difference Result 794 states and 1183 transitions.
[2024-11-18 19:41:24,916 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 19:41:24,916 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 180
[2024-11-18 19:41:24,916 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:24,918 INFO  L225             Difference]: With dead ends: 794
[2024-11-18 19:41:24,918 INFO  L226             Difference]: Without dead ends: 492
[2024-11-18 19:41:24,919 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 19:41:24,919 INFO  L432           NwaCegarLoop]: 141 mSDtfsCounter, 10 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:24,920 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 272 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 19:41:24,921 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 492 states.
[2024-11-18 19:41:24,949 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 480.
[2024-11-18 19:41:24,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 480 states, 383 states have (on average 1.3550913838120104) internal successors, (519), 385 states have internal predecessors, (519), 91 states have call successors, (91), 5 states have call predecessors, (91), 5 states have return successors, (91), 89 states have call predecessors, (91), 91 states have call successors, (91)
[2024-11-18 19:41:24,953 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 701 transitions.
[2024-11-18 19:41:24,954 INFO  L78                 Accepts]: Start accepts. Automaton has 480 states and 701 transitions. Word has length 180
[2024-11-18 19:41:24,955 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:24,955 INFO  L471      AbstractCegarLoop]: Abstraction has 480 states and 701 transitions.
[2024-11-18 19:41:24,955 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:24,955 INFO  L276                IsEmpty]: Start isEmpty. Operand 480 states and 701 transitions.
[2024-11-18 19:41:24,956 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-18 19:41:24,956 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:24,957 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:24,957 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-18 19:41:24,957 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:24,958 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:24,958 INFO  L85        PathProgramCache]: Analyzing trace with hash -195158996, now seen corresponding path program 1 times
[2024-11-18 19:41:24,958 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:24,958 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127168295]
[2024-11-18 19:41:24,958 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:24,958 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:25,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:26,907 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:26,908 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:26,908 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127168295]
[2024-11-18 19:41:26,908 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127168295] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:26,908 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:26,908 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-18 19:41:26,908 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76146518]
[2024-11-18 19:41:26,908 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:26,908 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-18 19:41:26,909 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:26,909 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-18 19:41:26,909 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2024-11-18 19:41:26,909 INFO  L87              Difference]: Start difference. First operand 480 states and 701 transitions. Second operand  has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:27,720 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:27,721 INFO  L93              Difference]: Finished difference Result 944 states and 1373 transitions.
[2024-11-18 19:41:27,721 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-18 19:41:27,721 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 180
[2024-11-18 19:41:27,722 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:27,724 INFO  L225             Difference]: With dead ends: 944
[2024-11-18 19:41:27,724 INFO  L226             Difference]: Without dead ends: 688
[2024-11-18 19:41:27,725 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272
[2024-11-18 19:41:27,725 INFO  L432           NwaCegarLoop]: 159 mSDtfsCounter, 312 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:27,726 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 588 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 19:41:27,726 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 688 states.
[2024-11-18 19:41:27,752 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 410.
[2024-11-18 19:41:27,753 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 410 states, 323 states have (on average 1.346749226006192) internal successors, (435), 323 states have internal predecessors, (435), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-18 19:41:27,754 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 597 transitions.
[2024-11-18 19:41:27,755 INFO  L78                 Accepts]: Start accepts. Automaton has 410 states and 597 transitions. Word has length 180
[2024-11-18 19:41:27,755 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:27,755 INFO  L471      AbstractCegarLoop]: Abstraction has 410 states and 597 transitions.
[2024-11-18 19:41:27,756 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:27,756 INFO  L276                IsEmpty]: Start isEmpty. Operand 410 states and 597 transitions.
[2024-11-18 19:41:27,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-18 19:41:27,757 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:27,757 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:27,757 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-18 19:41:27,757 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:27,758 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:27,758 INFO  L85        PathProgramCache]: Analyzing trace with hash -350192478, now seen corresponding path program 1 times
[2024-11-18 19:41:27,758 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:27,758 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112526794]
[2024-11-18 19:41:27,758 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:27,758 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:27,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:31,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:31,571 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:31,571 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112526794]
[2024-11-18 19:41:31,571 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112526794] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:31,571 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:31,571 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-18 19:41:31,572 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14653080]
[2024-11-18 19:41:31,572 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:31,572 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-18 19:41:31,572 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:31,572 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-18 19:41:31,572 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182
[2024-11-18 19:41:31,573 INFO  L87              Difference]: Start difference. First operand 410 states and 597 transitions. Second operand  has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:33,231 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:33,231 INFO  L93              Difference]: Finished difference Result 858 states and 1227 transitions.
[2024-11-18 19:41:33,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-18 19:41:33,232 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 180
[2024-11-18 19:41:33,232 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:33,234 INFO  L225             Difference]: With dead ends: 858
[2024-11-18 19:41:33,234 INFO  L226             Difference]: Without dead ends: 600
[2024-11-18 19:41:33,235 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552
[2024-11-18 19:41:33,236 INFO  L432           NwaCegarLoop]: 150 mSDtfsCounter, 344 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:33,236 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 944 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-18 19:41:33,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 600 states.
[2024-11-18 19:41:33,265 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 447.
[2024-11-18 19:41:33,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 447 states, 360 states have (on average 1.3527777777777779) internal successors, (487), 360 states have internal predecessors, (487), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-18 19:41:33,267 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 649 transitions.
[2024-11-18 19:41:33,267 INFO  L78                 Accepts]: Start accepts. Automaton has 447 states and 649 transitions. Word has length 180
[2024-11-18 19:41:33,268 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:33,268 INFO  L471      AbstractCegarLoop]: Abstraction has 447 states and 649 transitions.
[2024-11-18 19:41:33,268 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:33,268 INFO  L276                IsEmpty]: Start isEmpty. Operand 447 states and 649 transitions.
[2024-11-18 19:41:33,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-18 19:41:33,269 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:33,269 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:33,269 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-18 19:41:33,269 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:33,269 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:33,270 INFO  L85        PathProgramCache]: Analyzing trace with hash -1665273245, now seen corresponding path program 1 times
[2024-11-18 19:41:33,270 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:33,270 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719528109]
[2024-11-18 19:41:33,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:33,270 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:33,314 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:35,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:35,824 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:35,824 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719528109]
[2024-11-18 19:41:35,824 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719528109] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:35,824 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:35,824 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2024-11-18 19:41:35,824 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190355384]
[2024-11-18 19:41:35,824 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:35,825 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-18 19:41:35,825 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:35,825 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-18 19:41:35,825 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2024-11-18 19:41:35,825 INFO  L87              Difference]: Start difference. First operand 447 states and 649 transitions. Second operand  has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:38,820 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:38,821 INFO  L93              Difference]: Finished difference Result 1151 states and 1681 transitions.
[2024-11-18 19:41:38,821 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-18 19:41:38,821 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181
[2024-11-18 19:41:38,822 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:38,827 INFO  L225             Difference]: With dead ends: 1151
[2024-11-18 19:41:38,827 INFO  L226             Difference]: Without dead ends: 945
[2024-11-18 19:41:38,828 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=248, Invalid=564, Unknown=0, NotChecked=0, Total=812
[2024-11-18 19:41:38,829 INFO  L432           NwaCegarLoop]: 153 mSDtfsCounter, 646 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:38,829 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 804 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-18 19:41:38,830 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 945 states.
[2024-11-18 19:41:38,870 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 671.
[2024-11-18 19:41:38,871 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 671 states, 526 states have (on average 1.3574144486692015) internal successors, (714), 526 states have internal predecessors, (714), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135)
[2024-11-18 19:41:38,873 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 984 transitions.
[2024-11-18 19:41:38,874 INFO  L78                 Accepts]: Start accepts. Automaton has 671 states and 984 transitions. Word has length 181
[2024-11-18 19:41:38,874 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:38,874 INFO  L471      AbstractCegarLoop]: Abstraction has 671 states and 984 transitions.
[2024-11-18 19:41:38,875 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:38,875 INFO  L276                IsEmpty]: Start isEmpty. Operand 671 states and 984 transitions.
[2024-11-18 19:41:38,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-18 19:41:38,877 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:38,877 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:38,877 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-18 19:41:38,877 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:38,877 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:38,878 INFO  L85        PathProgramCache]: Analyzing trace with hash 309910167, now seen corresponding path program 1 times
[2024-11-18 19:41:38,878 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:38,878 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358525912]
[2024-11-18 19:41:38,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:38,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:38,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:42,355 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:42,355 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:42,355 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358525912]
[2024-11-18 19:41:42,355 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358525912] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:42,356 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:42,356 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-18 19:41:42,356 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249940771]
[2024-11-18 19:41:42,356 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:42,356 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-18 19:41:42,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:42,357 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-18 19:41:42,357 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2024-11-18 19:41:42,357 INFO  L87              Difference]: Start difference. First operand 671 states and 984 transitions. Second operand  has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-18 19:41:44,167 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:44,167 INFO  L93              Difference]: Finished difference Result 1516 states and 2201 transitions.
[2024-11-18 19:41:44,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-18 19:41:44,168 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 181
[2024-11-18 19:41:44,168 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:44,172 INFO  L225             Difference]: With dead ends: 1516
[2024-11-18 19:41:44,172 INFO  L226             Difference]: Without dead ends: 1017
[2024-11-18 19:41:44,173 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600
[2024-11-18 19:41:44,173 INFO  L432           NwaCegarLoop]: 111 mSDtfsCounter, 567 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:44,173 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 725 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-18 19:41:44,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1017 states.
[2024-11-18 19:41:44,220 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 733.
[2024-11-18 19:41:44,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 733 states, 588 states have (on average 1.3503401360544218) internal successors, (794), 588 states have internal predecessors, (794), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135)
[2024-11-18 19:41:44,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1064 transitions.
[2024-11-18 19:41:44,224 INFO  L78                 Accepts]: Start accepts. Automaton has 733 states and 1064 transitions. Word has length 181
[2024-11-18 19:41:44,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:44,224 INFO  L471      AbstractCegarLoop]: Abstraction has 733 states and 1064 transitions.
[2024-11-18 19:41:44,224 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-18 19:41:44,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 733 states and 1064 transitions.
[2024-11-18 19:41:44,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-18 19:41:44,225 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:44,226 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:44,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-18 19:41:44,226 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:44,226 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:44,226 INFO  L85        PathProgramCache]: Analyzing trace with hash 2084917529, now seen corresponding path program 1 times
[2024-11-18 19:41:44,226 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:44,226 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603125014]
[2024-11-18 19:41:44,227 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:44,227 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:44,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:49,703 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:49,703 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:49,703 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603125014]
[2024-11-18 19:41:49,703 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603125014] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:49,703 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:49,703 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2024-11-18 19:41:49,703 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249332754]
[2024-11-18 19:41:49,703 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:49,704 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-18 19:41:49,704 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:49,704 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-18 19:41:49,704 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272
[2024-11-18 19:41:49,704 INFO  L87              Difference]: Start difference. First operand 733 states and 1064 transitions. Second operand  has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:55,950 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:41:55,950 INFO  L93              Difference]: Finished difference Result 1267 states and 1843 transitions.
[2024-11-18 19:41:55,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-18 19:41:55,951 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181
[2024-11-18 19:41:55,951 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:41:55,955 INFO  L225             Difference]: With dead ends: 1267
[2024-11-18 19:41:55,955 INFO  L226             Difference]: Without dead ends: 859
[2024-11-18 19:41:55,957 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=216, Invalid=654, Unknown=0, NotChecked=0, Total=870
[2024-11-18 19:41:55,959 INFO  L432           NwaCegarLoop]: 118 mSDtfsCounter, 532 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-18 19:41:55,959 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 975 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-18 19:41:55,960 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 859 states.
[2024-11-18 19:41:56,008 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 749.
[2024-11-18 19:41:56,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 749 states, 604 states have (on average 1.3509933774834437) internal successors, (816), 604 states have internal predecessors, (816), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135)
[2024-11-18 19:41:56,012 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1086 transitions.
[2024-11-18 19:41:56,013 INFO  L78                 Accepts]: Start accepts. Automaton has 749 states and 1086 transitions. Word has length 181
[2024-11-18 19:41:56,014 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:41:56,014 INFO  L471      AbstractCegarLoop]: Abstraction has 749 states and 1086 transitions.
[2024-11-18 19:41:56,014 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:41:56,014 INFO  L276                IsEmpty]: Start isEmpty. Operand 749 states and 1086 transitions.
[2024-11-18 19:41:56,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-18 19:41:56,015 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:41:56,015 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:41:56,015 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-18 19:41:56,015 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:41:56,016 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:41:56,016 INFO  L85        PathProgramCache]: Analyzing trace with hash 1404859159, now seen corresponding path program 1 times
[2024-11-18 19:41:56,016 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:41:56,016 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342635931]
[2024-11-18 19:41:56,016 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:41:56,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:41:56,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 19:41:58,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-18 19:41:58,577 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 19:41:58,577 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342635931]
[2024-11-18 19:41:58,577 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342635931] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 19:41:58,577 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 19:41:58,577 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-18 19:41:58,578 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512598989]
[2024-11-18 19:41:58,578 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 19:41:58,578 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-18 19:41:58,578 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 19:41:58,578 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-18 19:41:58,578 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132
[2024-11-18 19:41:58,579 INFO  L87              Difference]: Start difference. First operand 749 states and 1086 transitions. Second operand  has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:42:00,711 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 19:42:00,711 INFO  L93              Difference]: Finished difference Result 1549 states and 2243 transitions.
[2024-11-18 19:42:00,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-18 19:42:00,712 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181
[2024-11-18 19:42:00,712 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 19:42:00,716 INFO  L225             Difference]: With dead ends: 1549
[2024-11-18 19:42:00,716 INFO  L226             Difference]: Without dead ends: 1141
[2024-11-18 19:42:00,718 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=135, Invalid=245, Unknown=0, NotChecked=0, Total=380
[2024-11-18 19:42:00,720 INFO  L432           NwaCegarLoop]: 146 mSDtfsCounter, 336 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-18 19:42:00,720 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 549 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-18 19:42:00,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1141 states.
[2024-11-18 19:42:00,777 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 763.
[2024-11-18 19:42:00,778 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 763 states, 618 states have (on average 1.3559870550161812) internal successors, (838), 618 states have internal predecessors, (838), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135)
[2024-11-18 19:42:00,780 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1108 transitions.
[2024-11-18 19:42:00,781 INFO  L78                 Accepts]: Start accepts. Automaton has 763 states and 1108 transitions. Word has length 181
[2024-11-18 19:42:00,781 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 19:42:00,781 INFO  L471      AbstractCegarLoop]: Abstraction has 763 states and 1108 transitions.
[2024-11-18 19:42:00,781 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-18 19:42:00,781 INFO  L276                IsEmpty]: Start isEmpty. Operand 763 states and 1108 transitions.
[2024-11-18 19:42:00,782 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2024-11-18 19:42:00,782 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 19:42:00,782 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 19:42:00,782 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-18 19:42:00,783 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 19:42:00,783 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 19:42:00,783 INFO  L85        PathProgramCache]: Analyzing trace with hash 94978982, now seen corresponding path program 1 times
[2024-11-18 19:42:00,783 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 19:42:00,783 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845280400]
[2024-11-18 19:42:00,783 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 19:42:00,783 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 19:42:00,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat