./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.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_loopvsstraightlinecode_100-while_file-61.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 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 22:35:55,426 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 22:35:55,503 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 22:35:55,508 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 22:35:55,508 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 22:35:55,531 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 22:35:55,531 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 22:35:55,532 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 22:35:55,532 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 22:35:55,533 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 22:35:55,533 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 22:35:55,533 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 22:35:55,534 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 22:35:55,536 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 22:35:55,536 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 22:35:55,536 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 22:35:55,537 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 22:35:55,537 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 22:35:55,539 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 22:35:55,540 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 22:35:55,540 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 22:35:55,540 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 22:35:55,541 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 22:35:55,541 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 22:35:55,543 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 22:35:55,543 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 22:35:55,544 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 22:35:55,544 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 22:35:55,544 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 22:35:55,544 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 22:35:55,545 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 22:35:55,545 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 22:35:55,545 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 22:35:55,545 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 22:35:55,546 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 22:35:55,546 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 22:35:55,547 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 22:35:55,547 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 22:35:55,547 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 22:35:55,548 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 22:35:55,548 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 22:35:55,549 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 22:35:55,549 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 -> 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8
[2024-11-18 22:35:55,804 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 22:35:55,830 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 22:35:55,834 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 22:35:55,835 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 22:35:55,836 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 22:35:55,837 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i
[2024-11-18 22:35:57,326 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 22:35:57,536 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 22:35:57,540 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i
[2024-11-18 22:35:57,558 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff885b76/c357cb3904fa4841bd882d3985f8a679/FLAG15395614a
[2024-11-18 22:35:57,908 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff885b76/c357cb3904fa4841bd882d3985f8a679
[2024-11-18 22:35:57,911 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 22:35:57,914 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 22:35:57,916 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 22:35:57,917 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 22:35:57,923 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 22:35:57,923 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:35:57" (1/1) ...
[2024-11-18 22:35:57,924 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29390f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:57, skipping insertion in model container
[2024-11-18 22:35:57,924 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:35:57" (1/1) ...
[2024-11-18 22:35:57,967 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 22:35:58,208 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_loopvsstraightlinecode_100-while_file-61.i[916,929]
[2024-11-18 22:35:58,329 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 22:35:58,340 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 22:35:58,349 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_loopvsstraightlinecode_100-while_file-61.i[916,929]
[2024-11-18 22:35:58,398 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 22:35:58,421 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 22:35:58,422 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58 WrapperNode
[2024-11-18 22:35:58,422 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 22:35:58,423 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 22:35:58,424 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 22:35:58,424 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 22:35:58,433 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,452 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,509 INFO  L138                Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244
[2024-11-18 22:35:58,509 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 22:35:58,510 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 22:35:58,510 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 22:35:58,510 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 22:35:58,525 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,525 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,531 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,565 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 22:35:58,569 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,570 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,595 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,600 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,605 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,609 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,618 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 22:35:58,619 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 22:35:58,619 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 22:35:58,620 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 22:35:58,620 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (1/1) ...
[2024-11-18 22:35:58,626 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 22:35:58,637 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 22:35:58,655 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 22:35:58,658 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 22:35:58,706 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 22:35:58,706 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-18 22:35:58,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-18 22:35:58,707 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 22:35:58,707 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 22:35:58,708 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 22:35:58,807 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 22:35:58,808 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 22:35:59,364 INFO  L?                        ?]: Removed 35 outVars from TransFormulas that were not future-live.
[2024-11-18 22:35:59,365 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 22:35:59,382 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 22:35:59,382 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-18 22:35:59,383 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:59 BoogieIcfgContainer
[2024-11-18 22:35:59,384 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 22:35:59,386 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 22:35:59,387 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 22:35:59,390 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 22:35:59,390 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:35:57" (1/3) ...
[2024-11-18 22:35:59,391 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51422c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:35:59, skipping insertion in model container
[2024-11-18 22:35:59,392 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:35:58" (2/3) ...
[2024-11-18 22:35:59,392 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51422c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:35:59, skipping insertion in model container
[2024-11-18 22:35:59,392 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:35:59" (3/3) ...
[2024-11-18 22:35:59,394 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-61.i
[2024-11-18 22:35:59,410 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 22:35:59,411 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 22:35:59,475 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 22:35:59,485 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;@426f0100, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 22:35:59,486 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 22:35:59,491 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 106 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 78 states have internal predecessors, (114), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-18 22:35:59,511 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-18 22:35:59,511 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:35:59,513 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:59,514 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:35:59,519 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:35:59,519 INFO  L85        PathProgramCache]: Analyzing trace with hash 1908062083, now seen corresponding path program 1 times
[2024-11-18 22:35:59,530 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:35:59,530 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939627350]
[2024-11-18 22:35:59,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:35:59,531 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:35:59,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:35:59,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-18 22:35:59,987 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:35:59,990 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939627350]
[2024-11-18 22:35:59,991 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939627350] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 22:35:59,991 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013939762]
[2024-11-18 22:35:59,991 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:35:59,992 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 22:35:59,992 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 22:35:59,994 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 22:35:59,996 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 22:36:00,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:00,183 INFO  L255         TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-18 22:36:00,195 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 22:36:00,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-18 22:36:00,225 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-18 22:36:00,225 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013939762] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:00,225 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-18 22:36:00,226 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-18 22:36:00,232 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152755239]
[2024-11-18 22:36:00,232 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:00,239 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-18 22:36:00,239 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:00,261 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-18 22:36:00,262 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 22:36:00,264 INFO  L87              Difference]: Start difference. First operand  has 106 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 78 states have internal predecessors, (114), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-18 22:36:00,299 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:00,300 INFO  L93              Difference]: Finished difference Result 205 states and 352 transitions.
[2024-11-18 22:36:00,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-18 22:36:00,302 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 175
[2024-11-18 22:36:00,302 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:00,308 INFO  L225             Difference]: With dead ends: 205
[2024-11-18 22:36:00,309 INFO  L226             Difference]: Without dead ends: 102
[2024-11-18 22:36:00,312 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 22:36:00,314 INFO  L432           NwaCegarLoop]: 159 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, 159 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 22:36:00,315 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 22:36:00,329 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-11-18 22:36:00,351 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2024-11-18 22:36:00,352 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 74 states have (on average 1.445945945945946) internal successors, (107), 74 states have internal predecessors, (107), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-18 22:36:00,354 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 159 transitions.
[2024-11-18 22:36:00,357 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 159 transitions. Word has length 175
[2024-11-18 22:36:00,357 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:00,357 INFO  L471      AbstractCegarLoop]: Abstraction has 102 states and 159 transitions.
[2024-11-18 22:36:00,358 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-18 22:36:00,358 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions.
[2024-11-18 22:36:00,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-18 22:36:00,361 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:00,361 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:00,377 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 22:36:00,562 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 22:36:00,562 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:00,563 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:00,563 INFO  L85        PathProgramCache]: Analyzing trace with hash -839951813, now seen corresponding path program 1 times
[2024-11-18 22:36:00,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:00,563 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690630084]
[2024-11-18 22:36:00,564 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:00,564 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:00,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:06,760 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:06,761 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:06,761 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690630084]
[2024-11-18 22:36:06,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690630084] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:06,761 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:06,761 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-18 22:36:06,762 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527561470]
[2024-11-18 22:36:06,762 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:06,763 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-18 22:36:06,763 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:06,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-18 22:36:06,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2024-11-18 22:36:06,765 INFO  L87              Difference]: Start difference. First operand 102 states and 159 transitions. Second operand  has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-18 22:36:09,056 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:09,057 INFO  L93              Difference]: Finished difference Result 434 states and 679 transitions.
[2024-11-18 22:36:09,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 22:36:09,058 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), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 175
[2024-11-18 22:36:09,059 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:09,063 INFO  L225             Difference]: With dead ends: 434
[2024-11-18 22:36:09,065 INFO  L226             Difference]: Without dead ends: 335
[2024-11-18 22:36:09,067 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240
[2024-11-18 22:36:09,070 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 792 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:09,071 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 626 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-18 22:36:09,072 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 335 states.
[2024-11-18 22:36:09,112 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 168.
[2024-11-18 22:36:09,115 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 168 states, 113 states have (on average 1.424778761061947) internal successors, (161), 113 states have internal predecessors, (161), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:09,117 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 265 transitions.
[2024-11-18 22:36:09,120 INFO  L78                 Accepts]: Start accepts. Automaton has 168 states and 265 transitions. Word has length 175
[2024-11-18 22:36:09,121 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:09,122 INFO  L471      AbstractCegarLoop]: Abstraction has 168 states and 265 transitions.
[2024-11-18 22:36:09,122 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), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-18 22:36:09,123 INFO  L276                IsEmpty]: Start isEmpty. Operand 168 states and 265 transitions.
[2024-11-18 22:36:09,127 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-18 22:36:09,128 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:09,128 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:09,128 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 22:36:09,128 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:09,129 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:09,131 INFO  L85        PathProgramCache]: Analyzing trace with hash 1423073304, now seen corresponding path program 1 times
[2024-11-18 22:36:09,131 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:09,131 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473653707]
[2024-11-18 22:36:09,131 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:09,132 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:09,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:09,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:09,432 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:09,434 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473653707]
[2024-11-18 22:36:09,435 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473653707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:09,436 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:09,436 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 22:36:09,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705983318]
[2024-11-18 22:36:09,437 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:09,437 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 22:36:09,438 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:09,438 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 22:36:09,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 22:36:09,441 INFO  L87              Difference]: Start difference. First operand 168 states and 265 transitions. Second operand  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:09,645 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:09,645 INFO  L93              Difference]: Finished difference Result 343 states and 544 transitions.
[2024-11-18 22:36:09,646 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 22:36:09,646 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176
[2024-11-18 22:36:09,647 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:09,649 INFO  L225             Difference]: With dead ends: 343
[2024-11-18 22:36:09,649 INFO  L226             Difference]: Without dead ends: 244
[2024-11-18 22:36:09,650 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-18 22:36:09,651 INFO  L432           NwaCegarLoop]: 165 mSDtfsCounter, 233 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:09,651 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 569 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 22:36:09,652 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 244 states.
[2024-11-18 22:36:09,677 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 169.
[2024-11-18 22:36:09,678 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 169 states, 114 states have (on average 1.4210526315789473) internal successors, (162), 114 states have internal predecessors, (162), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:09,679 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 266 transitions.
[2024-11-18 22:36:09,680 INFO  L78                 Accepts]: Start accepts. Automaton has 169 states and 266 transitions. Word has length 176
[2024-11-18 22:36:09,681 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:09,681 INFO  L471      AbstractCegarLoop]: Abstraction has 169 states and 266 transitions.
[2024-11-18 22:36:09,681 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:09,681 INFO  L276                IsEmpty]: Start isEmpty. Operand 169 states and 266 transitions.
[2024-11-18 22:36:09,683 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-18 22:36:09,683 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:09,684 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:09,684 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 22:36:09,684 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:09,685 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:09,685 INFO  L85        PathProgramCache]: Analyzing trace with hash 1289059798, now seen corresponding path program 1 times
[2024-11-18 22:36:09,685 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:09,685 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794150771]
[2024-11-18 22:36:09,685 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:09,686 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:09,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:10,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:10,493 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:10,493 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794150771]
[2024-11-18 22:36:10,494 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794150771] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:10,494 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:10,494 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-18 22:36:10,494 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481740559]
[2024-11-18 22:36:10,494 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:10,495 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-18 22:36:10,497 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:10,497 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-18 22:36:10,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90
[2024-11-18 22:36:10,498 INFO  L87              Difference]: Start difference. First operand 169 states and 266 transitions. Second operand  has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-18 22:36:11,601 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:11,601 INFO  L93              Difference]: Finished difference Result 477 states and 748 transitions.
[2024-11-18 22:36:11,601 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 22:36:11,602 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 176
[2024-11-18 22:36:11,603 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:11,608 INFO  L225             Difference]: With dead ends: 477
[2024-11-18 22:36:11,609 INFO  L226             Difference]: Without dead ends: 378
[2024-11-18 22:36:11,610 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240
[2024-11-18 22:36:11,611 INFO  L432           NwaCegarLoop]: 142 mSDtfsCounter, 582 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:11,613 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 873 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-18 22:36:11,614 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 378 states.
[2024-11-18 22:36:11,643 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 202.
[2024-11-18 22:36:11,646 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 202 states, 147 states have (on average 1.4829931972789117) internal successors, (218), 147 states have internal predecessors, (218), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:11,648 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 322 transitions.
[2024-11-18 22:36:11,648 INFO  L78                 Accepts]: Start accepts. Automaton has 202 states and 322 transitions. Word has length 176
[2024-11-18 22:36:11,650 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:11,650 INFO  L471      AbstractCegarLoop]: Abstraction has 202 states and 322 transitions.
[2024-11-18 22:36:11,650 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-18 22:36:11,651 INFO  L276                IsEmpty]: Start isEmpty. Operand 202 states and 322 transitions.
[2024-11-18 22:36:11,653 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-18 22:36:11,653 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:11,653 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:11,654 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 22:36:11,654 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:11,654 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:11,655 INFO  L85        PathProgramCache]: Analyzing trace with hash 267991444, now seen corresponding path program 1 times
[2024-11-18 22:36:11,655 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:11,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456426856]
[2024-11-18 22:36:11,655 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:11,655 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:11,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:11,920 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:11,921 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:11,921 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456426856]
[2024-11-18 22:36:11,921 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456426856] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:11,921 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:11,922 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 22:36:11,922 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640114108]
[2024-11-18 22:36:11,922 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:11,923 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 22:36:11,923 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:11,924 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 22:36:11,924 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 22:36:11,925 INFO  L87              Difference]: Start difference. First operand 202 states and 322 transitions. Second operand  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:12,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:12,002 INFO  L93              Difference]: Finished difference Result 332 states and 522 transitions.
[2024-11-18 22:36:12,003 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 22:36:12,003 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176
[2024-11-18 22:36:12,003 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:12,005 INFO  L225             Difference]: With dead ends: 332
[2024-11-18 22:36:12,005 INFO  L226             Difference]: Without dead ends: 210
[2024-11-18 22:36:12,006 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 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 22:36:12,009 INFO  L432           NwaCegarLoop]: 127 mSDtfsCounter, 94 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:12,010 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 180 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 22:36:12,011 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-11-18 22:36:12,028 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 201.
[2024-11-18 22:36:12,029 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 201 states, 144 states have (on average 1.4236111111111112) internal successors, (205), 144 states have internal predecessors, (205), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:12,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 309 transitions.
[2024-11-18 22:36:12,031 INFO  L78                 Accepts]: Start accepts. Automaton has 201 states and 309 transitions. Word has length 176
[2024-11-18 22:36:12,031 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:12,032 INFO  L471      AbstractCegarLoop]: Abstraction has 201 states and 309 transitions.
[2024-11-18 22:36:12,032 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:12,032 INFO  L276                IsEmpty]: Start isEmpty. Operand 201 states and 309 transitions.
[2024-11-18 22:36:12,033 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-18 22:36:12,034 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:12,034 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:12,035 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-18 22:36:12,035 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:12,036 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:12,036 INFO  L85        PathProgramCache]: Analyzing trace with hash 154836645, now seen corresponding path program 1 times
[2024-11-18 22:36:12,036 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:12,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123801724]
[2024-11-18 22:36:12,037 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:12,037 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:12,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:13,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:13,795 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:13,796 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123801724]
[2024-11-18 22:36:13,796 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123801724] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:13,796 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:13,796 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-18 22:36:13,796 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443184279]
[2024-11-18 22:36:13,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:13,797 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-18 22:36:13,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:13,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-18 22:36:13,798 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-18 22:36:13,798 INFO  L87              Difference]: Start difference. First operand 201 states and 309 transitions. Second operand  has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:15,221 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:15,222 INFO  L93              Difference]: Finished difference Result 529 states and 786 transitions.
[2024-11-18 22:36:15,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-18 22:36:15,223 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176
[2024-11-18 22:36:15,223 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:15,226 INFO  L225             Difference]: With dead ends: 529
[2024-11-18 22:36:15,226 INFO  L226             Difference]: Without dead ends: 426
[2024-11-18 22:36:15,227 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552
[2024-11-18 22:36:15,227 INFO  L432           NwaCegarLoop]: 177 mSDtfsCounter, 573 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:15,228 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 937 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-18 22:36:15,228 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 426 states.
[2024-11-18 22:36:15,245 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 219.
[2024-11-18 22:36:15,245 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 219 states, 162 states have (on average 1.4382716049382716) internal successors, (233), 162 states have internal predecessors, (233), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:15,247 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 337 transitions.
[2024-11-18 22:36:15,247 INFO  L78                 Accepts]: Start accepts. Automaton has 219 states and 337 transitions. Word has length 176
[2024-11-18 22:36:15,248 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:15,248 INFO  L471      AbstractCegarLoop]: Abstraction has 219 states and 337 transitions.
[2024-11-18 22:36:15,248 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:15,248 INFO  L276                IsEmpty]: Start isEmpty. Operand 219 states and 337 transitions.
[2024-11-18 22:36:15,250 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-18 22:36:15,250 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:15,250 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:15,251 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-18 22:36:15,251 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:15,251 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:15,251 INFO  L85        PathProgramCache]: Analyzing trace with hash 185796817, now seen corresponding path program 1 times
[2024-11-18 22:36:15,251 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:15,252 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325076962]
[2024-11-18 22:36:15,252 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:15,252 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:15,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:16,475 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:16,475 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:16,475 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325076962]
[2024-11-18 22:36:16,476 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325076962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:16,476 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:16,476 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 22:36:16,476 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569288204]
[2024-11-18 22:36:16,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:16,476 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 22:36:16,477 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:16,479 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 22:36:16,480 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-18 22:36:16,480 INFO  L87              Difference]: Start difference. First operand 219 states and 337 transitions. Second operand  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:16,782 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:16,782 INFO  L93              Difference]: Finished difference Result 361 states and 551 transitions.
[2024-11-18 22:36:16,783 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-18 22:36:16,783 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176
[2024-11-18 22:36:16,784 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:16,785 INFO  L225             Difference]: With dead ends: 361
[2024-11-18 22:36:16,785 INFO  L226             Difference]: Without dead ends: 249
[2024-11-18 22:36:16,786 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-18 22:36:16,790 INFO  L432           NwaCegarLoop]: 165 mSDtfsCounter, 96 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:16,791 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 434 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 22:36:16,791 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2024-11-18 22:36:16,817 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 210.
[2024-11-18 22:36:16,818 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 210 states, 153 states have (on average 1.4248366013071896) internal successors, (218), 153 states have internal predecessors, (218), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:16,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 322 transitions.
[2024-11-18 22:36:16,819 INFO  L78                 Accepts]: Start accepts. Automaton has 210 states and 322 transitions. Word has length 176
[2024-11-18 22:36:16,820 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:16,820 INFO  L471      AbstractCegarLoop]: Abstraction has 210 states and 322 transitions.
[2024-11-18 22:36:16,820 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:16,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 210 states and 322 transitions.
[2024-11-18 22:36:16,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-18 22:36:16,823 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:16,824 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:16,825 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-18 22:36:16,825 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:16,826 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:16,826 INFO  L85        PathProgramCache]: Analyzing trace with hash -1819888179, now seen corresponding path program 1 times
[2024-11-18 22:36:16,826 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:16,827 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756106945]
[2024-11-18 22:36:16,827 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:16,827 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:16,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:17,834 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:17,835 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:17,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756106945]
[2024-11-18 22:36:17,835 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756106945] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:17,835 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:17,835 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 22:36:17,836 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426667824]
[2024-11-18 22:36:17,836 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:17,837 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 22:36:17,837 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:17,838 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 22:36:17,838 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-18 22:36:17,838 INFO  L87              Difference]: Start difference. First operand 210 states and 322 transitions. Second operand  has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:18,140 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:18,141 INFO  L93              Difference]: Finished difference Result 379 states and 571 transitions.
[2024-11-18 22:36:18,141 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 22:36:18,141 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177
[2024-11-18 22:36:18,142 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:18,143 INFO  L225             Difference]: With dead ends: 379
[2024-11-18 22:36:18,144 INFO  L226             Difference]: Without dead ends: 267
[2024-11-18 22:36:18,144 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2024-11-18 22:36:18,145 INFO  L432           NwaCegarLoop]: 153 mSDtfsCounter, 166 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:18,145 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 439 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 22:36:18,146 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 267 states.
[2024-11-18 22:36:18,160 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 206.
[2024-11-18 22:36:18,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 206 states, 149 states have (on average 1.4026845637583893) internal successors, (209), 149 states have internal predecessors, (209), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:18,162 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 313 transitions.
[2024-11-18 22:36:18,162 INFO  L78                 Accepts]: Start accepts. Automaton has 206 states and 313 transitions. Word has length 177
[2024-11-18 22:36:18,163 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:18,163 INFO  L471      AbstractCegarLoop]: Abstraction has 206 states and 313 transitions.
[2024-11-18 22:36:18,163 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:18,163 INFO  L276                IsEmpty]: Start isEmpty. Operand 206 states and 313 transitions.
[2024-11-18 22:36:18,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2024-11-18 22:36:18,165 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:18,165 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:18,165 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-18 22:36:18,165 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:18,166 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:18,166 INFO  L85        PathProgramCache]: Analyzing trace with hash -166914336, now seen corresponding path program 1 times
[2024-11-18 22:36:18,166 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:18,166 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157842403]
[2024-11-18 22:36:18,166 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:18,167 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:18,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:18,461 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-18 22:36:18,461 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:18,462 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157842403]
[2024-11-18 22:36:18,462 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157842403] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 22:36:18,462 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 22:36:18,462 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 22:36:18,462 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635075314]
[2024-11-18 22:36:18,463 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 22:36:18,463 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 22:36:18,463 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:18,464 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 22:36:18,464 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-11-18 22:36:18,464 INFO  L87              Difference]: Start difference. First operand 206 states and 313 transitions. Second operand  has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:18,632 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:18,632 INFO  L93              Difference]: Finished difference Result 333 states and 507 transitions.
[2024-11-18 22:36:18,633 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-18 22:36:18,633 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178
[2024-11-18 22:36:18,634 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:18,635 INFO  L225             Difference]: With dead ends: 333
[2024-11-18 22:36:18,635 INFO  L226             Difference]: Without dead ends: 203
[2024-11-18 22:36:18,636 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-11-18 22:36:18,637 INFO  L432           NwaCegarLoop]: 153 mSDtfsCounter, 131 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:18,637 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 313 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 22:36:18,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2024-11-18 22:36:18,657 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2024-11-18 22:36:18,658 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 203 states, 146 states have (on average 1.3835616438356164) internal successors, (202), 146 states have internal predecessors, (202), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:18,660 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 306 transitions.
[2024-11-18 22:36:18,661 INFO  L78                 Accepts]: Start accepts. Automaton has 203 states and 306 transitions. Word has length 178
[2024-11-18 22:36:18,661 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:18,661 INFO  L471      AbstractCegarLoop]: Abstraction has 203 states and 306 transitions.
[2024-11-18 22:36:18,662 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-18 22:36:18,663 INFO  L276                IsEmpty]: Start isEmpty. Operand 203 states and 306 transitions.
[2024-11-18 22:36:18,664 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-18 22:36:18,664 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:18,665 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:18,665 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-18 22:36:18,665 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:18,666 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:18,666 INFO  L85        PathProgramCache]: Analyzing trace with hash 138855975, now seen corresponding path program 1 times
[2024-11-18 22:36:18,666 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:18,666 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340608735]
[2024-11-18 22:36:18,666 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:18,667 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:18,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:19,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked.
[2024-11-18 22:36:19,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 22:36:19,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340608735]
[2024-11-18 22:36:19,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340608735] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 22:36:19,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139582066]
[2024-11-18 22:36:19,055 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:19,056 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 22:36:19,056 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 22:36:19,058 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-18 22:36:19,059 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-18 22:36:19,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 22:36:19,196 INFO  L255         TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-18 22:36:19,202 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 22:36:19,551 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked.
[2024-11-18 22:36:19,551 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-18 22:36:19,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked.
[2024-11-18 22:36:19,839 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [139582066] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-18 22:36:19,839 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-18 22:36:19,839 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11
[2024-11-18 22:36:19,839 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767393542]
[2024-11-18 22:36:19,839 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-18 22:36:19,840 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-18 22:36:19,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 22:36:19,841 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-18 22:36:19,842 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2024-11-18 22:36:19,842 INFO  L87              Difference]: Start difference. First operand 203 states and 306 transitions. Second operand  has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 5 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 5 states have call successors, (78)
[2024-11-18 22:36:20,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 22:36:20,415 INFO  L93              Difference]: Finished difference Result 375 states and 550 transitions.
[2024-11-18 22:36:20,416 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-18 22:36:20,416 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 5 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 5 states have call successors, (78) Word has length 180
[2024-11-18 22:36:20,417 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 22:36:20,418 INFO  L225             Difference]: With dead ends: 375
[2024-11-18 22:36:20,418 INFO  L226             Difference]: Without dead ends: 232
[2024-11-18 22:36:20,419 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420
[2024-11-18 22:36:20,420 INFO  L432           NwaCegarLoop]: 108 mSDtfsCounter, 242 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-18 22:36:20,420 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 536 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-18 22:36:20,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 232 states.
[2024-11-18 22:36:20,435 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 207.
[2024-11-18 22:36:20,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 207 states, 148 states have (on average 1.3310810810810811) internal successors, (197), 148 states have internal predecessors, (197), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-18 22:36:20,437 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 301 transitions.
[2024-11-18 22:36:20,438 INFO  L78                 Accepts]: Start accepts. Automaton has 207 states and 301 transitions. Word has length 180
[2024-11-18 22:36:20,438 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 22:36:20,438 INFO  L471      AbstractCegarLoop]: Abstraction has 207 states and 301 transitions.
[2024-11-18 22:36:20,439 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 5 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 3 states have call predecessors, (78), 5 states have call successors, (78)
[2024-11-18 22:36:20,439 INFO  L276                IsEmpty]: Start isEmpty. Operand 207 states and 301 transitions.
[2024-11-18 22:36:20,440 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-18 22:36:20,440 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 22:36:20,441 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:20,458 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-18 22:36:20,641 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-18 22:36:20,642 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 22:36:20,642 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 22:36:20,642 INFO  L85        PathProgramCache]: Analyzing trace with hash -2035287202, now seen corresponding path program 1 times
[2024-11-18 22:36:20,642 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 22:36:20,642 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309694636]
[2024-11-18 22:36:20,643 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 22:36:20,643 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 22:36:20,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat