./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.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 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 09:17:22,419 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 09:17:22,504 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-22 09:17:22,509 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 09:17:22,509 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 09:17:22,550 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 09:17:22,550 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 09:17:22,551 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 09:17:22,552 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 09:17:22,553 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 09:17:22,554 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 09:17:22,554 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 09:17:22,555 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 09:17:22,555 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 09:17:22,555 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 09:17:22,557 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 09:17:22,558 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 09:17:22,558 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-22 09:17:22,558 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 09:17:22,558 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-22 09:17:22,559 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 09:17:22,559 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 09:17:22,562 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 09:17:22,563 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 09:17:22,563 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 09:17:22,563 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-22 09:17:22,564 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 09:17:22,564 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 09:17:22,564 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 09:17:22,564 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 09:17:22,565 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 09:17:22,565 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 09:17:22,565 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 09:17:22,565 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 09:17:22,565 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 09:17:22,566 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 09:17:22,566 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 09:17:22,566 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 09:17:22,566 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 09:17:22,567 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 09:17:22,567 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 09:17:22,567 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 09:17:22,567 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 -> 37de0228bdc926eeed8c36d9a0d9df874217b43056bdb710b9397461ea004e55
[2024-11-22 09:17:22,796 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 09:17:22,822 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 09:17:22,826 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 09:17:22,827 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 09:17:22,828 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 09:17:22,829 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i
[2024-11-22 09:17:24,426 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 09:17:24,688 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 09:17:24,689 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i
[2024-11-22 09:17:24,699 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37466298f/23b90bc4021744a98236304b0d155f4b/FLAG7899d1be5
[2024-11-22 09:17:24,712 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37466298f/23b90bc4021744a98236304b0d155f4b
[2024-11-22 09:17:24,714 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 09:17:24,716 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 09:17:24,719 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 09:17:24,719 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 09:17:24,726 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 09:17:24,726 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:17:24" (1/1) ...
[2024-11-22 09:17:24,727 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be41472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:24, skipping insertion in model container
[2024-11-22 09:17:24,727 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:17:24" (1/1) ...
[2024-11-22 09:17:24,756 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 09:17:24,940 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932]
[2024-11-22 09:17:25,017 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 09:17:25,030 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 09:17:25,040 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i[919,932]
[2024-11-22 09:17:25,085 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 09:17:25,110 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 09:17:25,114 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25 WrapperNode
[2024-11-22 09:17:25,114 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 09:17:25,116 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 09:17:25,116 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 09:17:25,116 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 09:17:25,123 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,135 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,179 INFO  L138                Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236
[2024-11-22 09:17:25,180 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 09:17:25,181 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 09:17:25,181 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 09:17:25,182 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 09:17:25,192 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,192 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,197 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,219 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].
[2024-11-22 09:17:25,219 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,220 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,238 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,242 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,246 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,249 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,257 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 09:17:25,258 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 09:17:25,259 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 09:17:25,259 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 09:17:25,260 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (1/1) ...
[2024-11-22 09:17:25,265 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 09:17:25,276 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 09:17:25,296 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)
[2024-11-22 09:17:25,299 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
[2024-11-22 09:17:25,340 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 09:17:25,340 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-22 09:17:25,340 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-22 09:17:25,341 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 09:17:25,341 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 09:17:25,341 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 09:17:25,414 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 09:17:25,419 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 09:17:26,047 INFO  L?                        ?]: Removed 23 outVars from TransFormulas that were not future-live.
[2024-11-22 09:17:26,048 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 09:17:26,067 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 09:17:26,067 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-22 09:17:26,068 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:17:26 BoogieIcfgContainer
[2024-11-22 09:17:26,068 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 09:17:26,073 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 09:17:26,074 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 09:17:26,078 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 09:17:26,078 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:17:24" (1/3) ...
[2024-11-22 09:17:26,079 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434ef171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:17:26, skipping insertion in model container
[2024-11-22 09:17:26,079 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:17:25" (2/3) ...
[2024-11-22 09:17:26,080 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434ef171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:17:26, skipping insertion in model container
[2024-11-22 09:17:26,080 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:17:26" (3/3) ...
[2024-11-22 09:17:26,082 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-86.i
[2024-11-22 09:17:26,099 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 09:17:26,100 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 09:17:26,162 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 09:17:26,168 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;@6ede1d3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 09:17:26,168 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 09:17:26,173 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-22 09:17:26,188 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-22 09:17:26,189 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:26,190 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:26,191 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:26,196 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:26,198 INFO  L85        PathProgramCache]: Analyzing trace with hash -2015951129, now seen corresponding path program 1 times
[2024-11-22 09:17:26,207 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:26,207 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639624577]
[2024-11-22 09:17:26,207 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:26,208 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:26,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:26,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked.
[2024-11-22 09:17:26,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:26,581 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639624577]
[2024-11-22 09:17:26,581 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639624577] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 09:17:26,581 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189853919]
[2024-11-22 09:17:26,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:26,582 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 09:17:26,582 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 09:17:26,586 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)
[2024-11-22 09:17:26,587 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-22 09:17:26,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:26,760 INFO  L255         TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-22 09:17:26,768 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 09:17:26,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked.
[2024-11-22 09:17:26,805 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 09:17:26,805 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189853919] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:26,805 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 09:17:26,806 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-22 09:17:26,809 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779623147]
[2024-11-22 09:17:26,810 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:26,815 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-22 09:17:26,816 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:26,839 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-22 09:17:26,840 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 09:17:26,842 INFO  L87              Difference]: Start difference. First operand  has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-22 09:17:26,873 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:17:26,873 INFO  L93              Difference]: Finished difference Result 189 states and 331 transitions.
[2024-11-22 09:17:26,874 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-22 09:17:26,876 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175
[2024-11-22 09:17:26,876 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:17:26,883 INFO  L225             Difference]: With dead ends: 189
[2024-11-22 09:17:26,884 INFO  L226             Difference]: Without dead ends: 94
[2024-11-22 09:17:26,887 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
[2024-11-22 09:17:26,891 INFO  L432           NwaCegarLoop]: 147 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, 147 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
[2024-11-22 09:17:26,892 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 09:17:26,907 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-22 09:17:26,945 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2024-11-22 09:17:26,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-22 09:17:26,949 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions.
[2024-11-22 09:17:26,951 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 175
[2024-11-22 09:17:26,964 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:17:26,964 INFO  L471      AbstractCegarLoop]: Abstraction has 94 states and 147 transitions.
[2024-11-22 09:17:26,965 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-22 09:17:26,965 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions.
[2024-11-22 09:17:26,969 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-22 09:17:26,969 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:26,969 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:26,977 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-22 09:17:27,171 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
[2024-11-22 09:17:27,171 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:27,172 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:27,172 INFO  L85        PathProgramCache]: Analyzing trace with hash 476781609, now seen corresponding path program 1 times
[2024-11-22 09:17:27,172 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:27,173 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710278440]
[2024-11-22 09:17:27,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:27,173 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:27,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:27,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:17:27,524 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:27,524 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710278440]
[2024-11-22 09:17:27,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710278440] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:27,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:17:27,525 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 09:17:27,525 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271438281]
[2024-11-22 09:17:27,525 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:27,527 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 09:17:27,527 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:27,531 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 09:17:27,532 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:17:27,532 INFO  L87              Difference]: Start difference. First operand 94 states and 147 transitions. Second operand  has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:27,572 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:17:27,572 INFO  L93              Difference]: Finished difference Result 186 states and 293 transitions.
[2024-11-22 09:17:27,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 09:17:27,575 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175
[2024-11-22 09:17:27,576 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:17:27,577 INFO  L225             Difference]: With dead ends: 186
[2024-11-22 09:17:27,580 INFO  L226             Difference]: Without dead ends: 95
[2024-11-22 09:17:27,582 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:17:27,584 INFO  L432           NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 09:17:27,585 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 09:17:27,587 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-11-22 09:17:27,599 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2024-11-22 09:17:27,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-22 09:17:27,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions.
[2024-11-22 09:17:27,602 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 175
[2024-11-22 09:17:27,604 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:17:27,604 INFO  L471      AbstractCegarLoop]: Abstraction has 95 states and 148 transitions.
[2024-11-22 09:17:27,604 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:27,605 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions.
[2024-11-22 09:17:27,607 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-22 09:17:27,607 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:27,608 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:27,608 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 09:17:27,608 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:27,609 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:27,609 INFO  L85        PathProgramCache]: Analyzing trace with hash -1517363097, now seen corresponding path program 1 times
[2024-11-22 09:17:27,609 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:27,609 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955467739]
[2024-11-22 09:17:27,609 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:27,610 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:27,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:27,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:17:27,988 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:27,988 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955467739]
[2024-11-22 09:17:27,988 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955467739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:27,988 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:17:27,988 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 09:17:27,988 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986272653]
[2024-11-22 09:17:27,988 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:27,989 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 09:17:27,993 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:27,994 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 09:17:27,994 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:17:27,995 INFO  L87              Difference]: Start difference. First operand 95 states and 148 transitions. Second operand  has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:28,265 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:17:28,265 INFO  L93              Difference]: Finished difference Result 280 states and 439 transitions.
[2024-11-22 09:17:28,266 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 09:17:28,267 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175
[2024-11-22 09:17:28,268 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:17:28,270 INFO  L225             Difference]: With dead ends: 280
[2024-11-22 09:17:28,270 INFO  L226             Difference]: Without dead ends: 188
[2024-11-22 09:17:28,274 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-22 09:17:28,275 INFO  L432           NwaCegarLoop]: 142 mSDtfsCounter, 149 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-22 09:17:28,275 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 503 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-22 09:17:28,276 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 188 states.
[2024-11-22 09:17:28,309 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168.
[2024-11-22 09:17:28,310 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 168 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 111 states have internal predecessors, (156), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-22 09:17:28,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 264 transitions.
[2024-11-22 09:17:28,312 INFO  L78                 Accepts]: Start accepts. Automaton has 168 states and 264 transitions. Word has length 175
[2024-11-22 09:17:28,313 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:17:28,313 INFO  L471      AbstractCegarLoop]: Abstraction has 168 states and 264 transitions.
[2024-11-22 09:17:28,313 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:28,313 INFO  L276                IsEmpty]: Start isEmpty. Operand 168 states and 264 transitions.
[2024-11-22 09:17:28,316 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-22 09:17:28,316 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:28,316 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:28,317 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 09:17:28,317 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:28,317 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:28,318 INFO  L85        PathProgramCache]: Analyzing trace with hash 1766486949, now seen corresponding path program 1 times
[2024-11-22 09:17:28,318 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:28,318 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972417541]
[2024-11-22 09:17:28,318 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:28,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:28,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:36,230 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:17:36,231 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:36,231 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972417541]
[2024-11-22 09:17:36,231 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972417541] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:36,231 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:17:36,231 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16
[2024-11-22 09:17:36,231 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956114650]
[2024-11-22 09:17:36,232 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:36,232 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-22 09:17:36,232 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:36,233 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-22 09:17:36,233 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240
[2024-11-22 09:17:36,234 INFO  L87              Difference]: Start difference. First operand 168 states and 264 transitions. Second operand  has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:39,677 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:17:39,677 INFO  L93              Difference]: Finished difference Result 357 states and 549 transitions.
[2024-11-22 09:17:39,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-22 09:17:39,678 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175
[2024-11-22 09:17:39,679 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:17:39,681 INFO  L225             Difference]: With dead ends: 357
[2024-11-22 09:17:39,683 INFO  L226             Difference]: Without dead ends: 265
[2024-11-22 09:17:39,684 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930
[2024-11-22 09:17:39,685 INFO  L432           NwaCegarLoop]: 139 mSDtfsCounter, 524 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-22 09:17:39,686 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 1058 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-22 09:17:39,690 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 265 states.
[2024-11-22 09:17:39,719 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 210.
[2024-11-22 09:17:39,724 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 210 states, 153 states have (on average 1.4313725490196079) internal successors, (219), 153 states have internal predecessors, (219), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-22 09:17:39,725 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 327 transitions.
[2024-11-22 09:17:39,726 INFO  L78                 Accepts]: Start accepts. Automaton has 210 states and 327 transitions. Word has length 175
[2024-11-22 09:17:39,728 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:17:39,729 INFO  L471      AbstractCegarLoop]: Abstraction has 210 states and 327 transitions.
[2024-11-22 09:17:39,730 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:39,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 210 states and 327 transitions.
[2024-11-22 09:17:39,732 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-22 09:17:39,734 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:39,735 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:39,735 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 09:17:39,735 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:39,736 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:39,736 INFO  L85        PathProgramCache]: Analyzing trace with hash 1985341667, now seen corresponding path program 1 times
[2024-11-22 09:17:39,736 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:39,736 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506195630]
[2024-11-22 09:17:39,736 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:39,740 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:39,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:40,063 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:17:40,063 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:40,064 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506195630]
[2024-11-22 09:17:40,064 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506195630] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:40,064 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:17:40,064 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 09:17:40,064 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108962754]
[2024-11-22 09:17:40,064 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:40,065 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 09:17:40,065 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:40,066 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 09:17:40,066 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 09:17:40,066 INFO  L87              Difference]: Start difference. First operand 210 states and 327 transitions. Second operand  has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:40,142 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:17:40,143 INFO  L93              Difference]: Finished difference Result 486 states and 759 transitions.
[2024-11-22 09:17:40,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 09:17:40,144 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175
[2024-11-22 09:17:40,144 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:17:40,147 INFO  L225             Difference]: With dead ends: 486
[2024-11-22 09:17:40,147 INFO  L226             Difference]: Without dead ends: 394
[2024-11-22 09:17:40,148 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:17:40,149 INFO  L432           NwaCegarLoop]: 210 mSDtfsCounter, 275 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 09:17:40,149 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 556 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 09:17:40,150 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 394 states.
[2024-11-22 09:17:40,179 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 355.
[2024-11-22 09:17:40,180 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 355 states, 270 states have (on average 1.4666666666666666) internal successors, (396), 270 states have internal predecessors, (396), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-22 09:17:40,182 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 558 transitions.
[2024-11-22 09:17:40,183 INFO  L78                 Accepts]: Start accepts. Automaton has 355 states and 558 transitions. Word has length 175
[2024-11-22 09:17:40,184 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:17:40,184 INFO  L471      AbstractCegarLoop]: Abstraction has 355 states and 558 transitions.
[2024-11-22 09:17:40,184 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:40,184 INFO  L276                IsEmpty]: Start isEmpty. Operand 355 states and 558 transitions.
[2024-11-22 09:17:40,186 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-22 09:17:40,186 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:40,186 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:40,187 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-22 09:17:40,187 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:40,188 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:40,189 INFO  L85        PathProgramCache]: Analyzing trace with hash -1232134917, now seen corresponding path program 1 times
[2024-11-22 09:17:40,189 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:40,189 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18447864]
[2024-11-22 09:17:40,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:40,189 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:40,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:40,440 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:17:40,442 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:40,442 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18447864]
[2024-11-22 09:17:40,442 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18447864] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:40,442 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:17:40,442 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 09:17:40,442 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819244460]
[2024-11-22 09:17:40,442 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:40,443 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 09:17:40,443 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:40,444 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 09:17:40,444 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:17:40,445 INFO  L87              Difference]: Start difference. First operand 355 states and 558 transitions. Second operand  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:40,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:17:40,487 INFO  L93              Difference]: Finished difference Result 604 states and 950 transitions.
[2024-11-22 09:17:40,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 09:17:40,489 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176
[2024-11-22 09:17:40,489 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:17:40,492 INFO  L225             Difference]: With dead ends: 604
[2024-11-22 09:17:40,492 INFO  L226             Difference]: Without dead ends: 364
[2024-11-22 09:17:40,493 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:17:40,494 INFO  L432           NwaCegarLoop]: 144 mSDtfsCounter, 6 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 09:17:40,494 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 272 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 09:17:40,495 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 364 states.
[2024-11-22 09:17:40,510 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 355.
[2024-11-22 09:17:40,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 355 states, 270 states have (on average 1.4555555555555555) internal successors, (393), 270 states have internal predecessors, (393), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-22 09:17:40,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 555 transitions.
[2024-11-22 09:17:40,514 INFO  L78                 Accepts]: Start accepts. Automaton has 355 states and 555 transitions. Word has length 176
[2024-11-22 09:17:40,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:17:40,515 INFO  L471      AbstractCegarLoop]: Abstraction has 355 states and 555 transitions.
[2024-11-22 09:17:40,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:40,515 INFO  L276                IsEmpty]: Start isEmpty. Operand 355 states and 555 transitions.
[2024-11-22 09:17:40,517 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-22 09:17:40,517 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:40,517 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:40,517 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-22 09:17:40,517 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:40,518 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:40,518 INFO  L85        PathProgramCache]: Analyzing trace with hash 542872445, now seen corresponding path program 1 times
[2024-11-22 09:17:40,518 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:40,518 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180332426]
[2024-11-22 09:17:40,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:40,519 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:40,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:46,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:17:46,405 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:46,405 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180332426]
[2024-11-22 09:17:46,405 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180332426] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:46,405 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:17:46,405 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16
[2024-11-22 09:17:46,405 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188469546]
[2024-11-22 09:17:46,405 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:46,406 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-22 09:17:46,406 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:46,407 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-22 09:17:46,407 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240
[2024-11-22 09:17:46,407 INFO  L87              Difference]: Start difference. First operand 355 states and 555 transitions. Second operand  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:49,690 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:17:49,691 INFO  L93              Difference]: Finished difference Result 652 states and 999 transitions.
[2024-11-22 09:17:49,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-22 09:17:49,692 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176
[2024-11-22 09:17:49,692 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:17:49,696 INFO  L225             Difference]: With dead ends: 652
[2024-11-22 09:17:49,696 INFO  L226             Difference]: Without dead ends: 415
[2024-11-22 09:17:49,697 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122
[2024-11-22 09:17:49,698 INFO  L432           NwaCegarLoop]: 150 mSDtfsCounter, 361 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-22 09:17:49,699 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 978 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-22 09:17:49,699 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 415 states.
[2024-11-22 09:17:49,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 356.
[2024-11-22 09:17:49,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 356 states, 271 states have (on average 1.4538745387453875) internal successors, (394), 271 states have internal predecessors, (394), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-22 09:17:49,728 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 556 transitions.
[2024-11-22 09:17:49,729 INFO  L78                 Accepts]: Start accepts. Automaton has 356 states and 556 transitions. Word has length 176
[2024-11-22 09:17:49,731 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:17:49,731 INFO  L471      AbstractCegarLoop]: Abstraction has 356 states and 556 transitions.
[2024-11-22 09:17:49,732 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:17:49,732 INFO  L276                IsEmpty]: Start isEmpty. Operand 356 states and 556 transitions.
[2024-11-22 09:17:49,734 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-22 09:17:49,734 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:17:49,734 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:17:49,734 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-22 09:17:49,734 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:17:49,735 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:17:49,735 INFO  L85        PathProgramCache]: Analyzing trace with hash -1019977503, now seen corresponding path program 1 times
[2024-11-22 09:17:49,735 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:17:49,735 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58838334]
[2024-11-22 09:17:49,735 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:17:49,735 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:17:49,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:17:59,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:17:59,049 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:17:59,049 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58838334]
[2024-11-22 09:17:59,049 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58838334] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:17:59,049 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:17:59,049 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2024-11-22 09:17:59,049 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020123239]
[2024-11-22 09:17:59,049 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:17:59,050 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-22 09:17:59,050 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:17:59,050 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-22 09:17:59,050 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272
[2024-11-22 09:17:59,050 INFO  L87              Difference]: Start difference. First operand 356 states and 556 transitions. Second operand  has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:02,487 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:18:02,487 INFO  L93              Difference]: Finished difference Result 413 states and 620 transitions.
[2024-11-22 09:18:02,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-22 09:18:02,488 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176
[2024-11-22 09:18:02,489 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:18:02,491 INFO  L225             Difference]: With dead ends: 413
[2024-11-22 09:18:02,491 INFO  L226             Difference]: Without dead ends: 411
[2024-11-22 09:18:02,492 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=262, Invalid=794, Unknown=0, NotChecked=0, Total=1056
[2024-11-22 09:18:02,492 INFO  L432           NwaCegarLoop]: 140 mSDtfsCounter, 485 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-22 09:18:02,493 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 998 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-22 09:18:02,493 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 411 states.
[2024-11-22 09:18:02,511 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 359.
[2024-11-22 09:18:02,512 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 359 states, 274 states have (on average 1.4525547445255473) internal successors, (398), 274 states have internal predecessors, (398), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-22 09:18:02,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 560 transitions.
[2024-11-22 09:18:02,514 INFO  L78                 Accepts]: Start accepts. Automaton has 359 states and 560 transitions. Word has length 176
[2024-11-22 09:18:02,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:18:02,514 INFO  L471      AbstractCegarLoop]: Abstraction has 359 states and 560 transitions.
[2024-11-22 09:18:02,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:02,515 INFO  L276                IsEmpty]: Start isEmpty. Operand 359 states and 560 transitions.
[2024-11-22 09:18:02,516 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-22 09:18:02,516 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:18:02,516 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:18:02,517 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-22 09:18:02,517 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:18:02,517 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:18:02,517 INFO  L85        PathProgramCache]: Analyzing trace with hash -1706688612, now seen corresponding path program 1 times
[2024-11-22 09:18:02,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:18:02,518 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037117261]
[2024-11-22 09:18:02,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:18:02,518 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:18:02,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:18:10,014 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:18:10,015 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:18:10,015 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037117261]
[2024-11-22 09:18:10,015 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037117261] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:18:10,015 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:18:10,015 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16
[2024-11-22 09:18:10,015 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474348072]
[2024-11-22 09:18:10,016 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:18:10,016 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-22 09:18:10,016 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:18:10,017 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-22 09:18:10,017 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240
[2024-11-22 09:18:10,017 INFO  L87              Difference]: Start difference. First operand 359 states and 560 transitions. Second operand  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:12,669 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:18:12,669 INFO  L93              Difference]: Finished difference Result 430 states and 641 transitions.
[2024-11-22 09:18:12,670 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-22 09:18:12,670 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176
[2024-11-22 09:18:12,670 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:18:12,672 INFO  L225             Difference]: With dead ends: 430
[2024-11-22 09:18:12,673 INFO  L226             Difference]: Without dead ends: 428
[2024-11-22 09:18:12,673 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870
[2024-11-22 09:18:12,674 INFO  L432           NwaCegarLoop]: 183 mSDtfsCounter, 334 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-22 09:18:12,674 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1223 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-22 09:18:12,675 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 428 states.
[2024-11-22 09:18:12,694 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 371.
[2024-11-22 09:18:12,695 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 371 states, 286 states have (on average 1.444055944055944) internal successors, (413), 286 states have internal predecessors, (413), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-22 09:18:12,696 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 575 transitions.
[2024-11-22 09:18:12,697 INFO  L78                 Accepts]: Start accepts. Automaton has 371 states and 575 transitions. Word has length 176
[2024-11-22 09:18:12,698 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:18:12,698 INFO  L471      AbstractCegarLoop]: Abstraction has 371 states and 575 transitions.
[2024-11-22 09:18:12,698 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:12,698 INFO  L276                IsEmpty]: Start isEmpty. Operand 371 states and 575 transitions.
[2024-11-22 09:18:12,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2024-11-22 09:18:12,700 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:18:12,700 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:18:12,700 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-22 09:18:12,701 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:18:12,701 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:18:12,701 INFO  L85        PathProgramCache]: Analyzing trace with hash -1026630242, now seen corresponding path program 1 times
[2024-11-22 09:18:12,701 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:18:12,702 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346947393]
[2024-11-22 09:18:12,702 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:18:12,702 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:18:12,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:18:19,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:18:19,627 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:18:19,627 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346947393]
[2024-11-22 09:18:19,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346947393] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:18:19,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:18:19,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2024-11-22 09:18:19,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733797789]
[2024-11-22 09:18:19,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:18:19,628 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-22 09:18:19,628 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:18:19,628 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-22 09:18:19,628 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272
[2024-11-22 09:18:19,629 INFO  L87              Difference]: Start difference. First operand 371 states and 575 transitions. Second operand  has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:22,883 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:18:22,883 INFO  L93              Difference]: Finished difference Result 424 states and 635 transitions.
[2024-11-22 09:18:22,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-22 09:18:22,885 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176
[2024-11-22 09:18:22,885 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:18:22,888 INFO  L225             Difference]: With dead ends: 424
[2024-11-22 09:18:22,888 INFO  L226             Difference]: Without dead ends: 422
[2024-11-22 09:18:22,889 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=251, Invalid=679, Unknown=0, NotChecked=0, Total=930
[2024-11-22 09:18:22,889 INFO  L432           NwaCegarLoop]: 181 mSDtfsCounter, 327 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-22 09:18:22,890 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 1115 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-22 09:18:22,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 422 states.
[2024-11-22 09:18:22,907 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 371.
[2024-11-22 09:18:22,908 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 371 states, 286 states have (on average 1.444055944055944) internal successors, (413), 286 states have internal predecessors, (413), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-22 09:18:22,910 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 575 transitions.
[2024-11-22 09:18:22,911 INFO  L78                 Accepts]: Start accepts. Automaton has 371 states and 575 transitions. Word has length 176
[2024-11-22 09:18:22,911 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:18:22,911 INFO  L471      AbstractCegarLoop]: Abstraction has 371 states and 575 transitions.
[2024-11-22 09:18:22,912 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:22,912 INFO  L276                IsEmpty]: Start isEmpty. Operand 371 states and 575 transitions.
[2024-11-22 09:18:22,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-22 09:18:22,914 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:18:22,914 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:18:22,914 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-22 09:18:22,914 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:18:22,914 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:18:22,914 INFO  L85        PathProgramCache]: Analyzing trace with hash -297321463, now seen corresponding path program 1 times
[2024-11-22 09:18:22,915 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:18:22,915 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946927790]
[2024-11-22 09:18:22,915 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:18:22,915 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:18:23,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:18:27,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:18:27,643 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:18:27,643 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946927790]
[2024-11-22 09:18:27,643 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946927790] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:18:27,643 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:18:27,644 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2024-11-22 09:18:27,644 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310593802]
[2024-11-22 09:18:27,644 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:18:27,644 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-22 09:18:27,644 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:18:27,645 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-22 09:18:27,645 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272
[2024-11-22 09:18:27,645 INFO  L87              Difference]: Start difference. First operand 371 states and 575 transitions. Second operand  has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:30,751 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:18:30,751 INFO  L93              Difference]: Finished difference Result 418 states and 626 transitions.
[2024-11-22 09:18:30,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2024-11-22 09:18:30,752 INFO  L78                 Accepts]: Start accepts. Automaton has  has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177
[2024-11-22 09:18:30,753 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:18:30,755 INFO  L225             Difference]: With dead ends: 418
[2024-11-22 09:18:30,755 INFO  L226             Difference]: Without dead ends: 416
[2024-11-22 09:18:30,756 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=336, Invalid=996, Unknown=0, NotChecked=0, Total=1332
[2024-11-22 09:18:30,756 INFO  L432           NwaCegarLoop]: 154 mSDtfsCounter, 376 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-22 09:18:30,757 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 922 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-22 09:18:30,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 416 states.
[2024-11-22 09:18:30,772 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 368.
[2024-11-22 09:18:30,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 368 states, 283 states have (on average 1.4452296819787986) internal successors, (409), 283 states have internal predecessors, (409), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81)
[2024-11-22 09:18:30,775 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 571 transitions.
[2024-11-22 09:18:30,775 INFO  L78                 Accepts]: Start accepts. Automaton has 368 states and 571 transitions. Word has length 177
[2024-11-22 09:18:30,776 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:18:30,776 INFO  L471      AbstractCegarLoop]: Abstraction has 368 states and 571 transitions.
[2024-11-22 09:18:30,776 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-22 09:18:30,776 INFO  L276                IsEmpty]: Start isEmpty. Operand 368 states and 571 transitions.
[2024-11-22 09:18:30,777 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-22 09:18:30,777 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:18:30,778 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:18:30,778 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-22 09:18:30,778 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:18:30,778 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:18:30,779 INFO  L85        PathProgramCache]: Analyzing trace with hash 284792409, now seen corresponding path program 1 times
[2024-11-22 09:18:30,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:18:30,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072667133]
[2024-11-22 09:18:30,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:18:30,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:18:30,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:18:38,843 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-22 09:18:38,843 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:18:38,843 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072667133]
[2024-11-22 09:18:38,843 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072667133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:18:38,843 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:18:38,843 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2024-11-22 09:18:38,844 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450777915]
[2024-11-22 09:18:38,844 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:18:38,844 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-22 09:18:38,844 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:18:38,845 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-22 09:18:38,845 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272
[2024-11-22 09:18:38,845 INFO  L87              Difference]: Start difference. First operand 368 states and 571 transitions. Second operand  has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)