./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label09.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 8fc3dc66
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem04_label09.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 509d138986455a9294485c8439e842fba594b9f1b5aaeec98d0aca32104881d5
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-8fc3dc6-m
[2025-03-16 14:13:09,261 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-16 14:13:09,319 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2025-03-16 14:13:09,322 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-16 14:13:09,322 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-16 14:13:09,342 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-16 14:13:09,343 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-16 14:13:09,343 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-16 14:13:09,343 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-16 14:13:09,343 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-16 14:13:09,343 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-16 14:13:09,343 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-16 14:13:09,343 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-16 14:13:09,343 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-16 14:13:09,343 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-16 14:13:09,344 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-16 14:13:09,344 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-16 14:13:09,344 INFO  L153        SettingsManager]:  * sizeof long=4
[2025-03-16 14:13:09,344 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-16 14:13:09,345 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2025-03-16 14:13:09,345 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-16 14:13:09,345 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * sizeof long double=12
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-16 14:13:09,346 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 14:13:09,346 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-16 14:13:09,346 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-16 14:13:09,347 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-16 14:13:09,347 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-16 14:13:09,347 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-16 14:13:09,347 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-16 14:13:09,347 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-16 14:13:09,347 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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 -> 509d138986455a9294485c8439e842fba594b9f1b5aaeec98d0aca32104881d5
[2025-03-16 14:13:09,568 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-16 14:13:09,576 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-16 14:13:09,578 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-16 14:13:09,578 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-16 14:13:09,579 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-16 14:13:09,580 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label09.c
[2025-03-16 14:13:10,758 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba336715/bed287eb7ac0435ba320e50c1d1a9aad/FLAG5d7e4e09f
[2025-03-16 14:13:11,192 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-16 14:13:11,193 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label09.c
[2025-03-16 14:13:11,223 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba336715/bed287eb7ac0435ba320e50c1d1a9aad/FLAG5d7e4e09f
[2025-03-16 14:13:11,238 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba336715/bed287eb7ac0435ba320e50c1d1a9aad
[2025-03-16 14:13:11,240 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-16 14:13:11,242 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-16 14:13:11,242 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-16 14:13:11,243 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-16 14:13:11,246 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-16 14:13:11,247 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 02:13:11" (1/1) ...
[2025-03-16 14:13:11,248 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123de135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:11, skipping insertion in model container
[2025-03-16 14:13:11,249 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 02:13:11" (1/1) ...
[2025-03-16 14:13:11,328 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-16 14:13:11,983 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label09.c[178282,178295]
[2025-03-16 14:13:11,997 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 14:13:12,004 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-16 14:13:12,263 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label09.c[178282,178295]
[2025-03-16 14:13:12,268 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 14:13:12,287 INFO  L204         MainTranslator]: Completed translation
[2025-03-16 14:13:12,288 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12 WrapperNode
[2025-03-16 14:13:12,288 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-16 14:13:12,289 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-16 14:13:12,289 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-16 14:13:12,290 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-16 14:13:12,293 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,334 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,467 INFO  L138                Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573
[2025-03-16 14:13:12,467 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-16 14:13:12,468 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-16 14:13:12,469 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-16 14:13:12,469 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-16 14:13:12,475 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,476 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,501 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,543 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].
[2025-03-16 14:13:12,544 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,544 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,637 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,645 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,655 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,663 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,680 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-16 14:13:12,682 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-16 14:13:12,682 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-16 14:13:12,682 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-16 14:13:12,683 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (1/1) ...
[2025-03-16 14:13:12,688 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 14:13:12,697 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 14:13:12,708 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)
[2025-03-16 14:13:12,713 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
[2025-03-16 14:13:12,729 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-16 14:13:12,730 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-16 14:13:12,730 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-16 14:13:12,730 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-16 14:13:12,789 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-16 14:13:12,790 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-16 14:13:16,044 INFO  L1322  $ProcedureCfgBuilder]: dead code at ProgramPoint L4081: havoc calculate_output3_#t~ret11#1;
[2025-03-16 14:13:16,045 INFO  L1322  $ProcedureCfgBuilder]: dead code at ProgramPoint L1382: havoc calculate_output_#t~ret9#1;
[2025-03-16 14:13:16,045 INFO  L1322  $ProcedureCfgBuilder]: dead code at ProgramPoint L2719: havoc calculate_output2_#t~ret10#1;
[2025-03-16 14:13:16,174 INFO  L?                        ?]: Removed 768 outVars from TransFormulas that were not future-live.
[2025-03-16 14:13:16,175 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-16 14:13:16,203 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-16 14:13:16,207 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-16 14:13:16,207 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 02:13:16 BoogieIcfgContainer
[2025-03-16 14:13:16,210 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-16 14:13:16,212 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-16 14:13:16,212 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-16 14:13:16,217 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-16 14:13:16,218 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 02:13:11" (1/3) ...
[2025-03-16 14:13:16,218 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200628d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 02:13:16, skipping insertion in model container
[2025-03-16 14:13:16,218 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 02:13:12" (2/3) ...
[2025-03-16 14:13:16,219 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200628d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 02:13:16, skipping insertion in model container
[2025-03-16 14:13:16,219 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 02:13:16" (3/3) ...
[2025-03-16 14:13:16,219 INFO  L128   eAbstractionObserver]: Analyzing ICFG Problem04_label09.c
[2025-03-16 14:13:16,229 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-16 14:13:16,231 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG Problem04_label09.c that has 1 procedures, 824 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-16 14:13:16,296 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-16 14:13:16,304 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;@50e32da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-16 14:13:16,304 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-16 14:13:16,309 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 824 states, 822 states have (on average 1.9902676399026764) internal successors, (1636), 823 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:16,335 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 770
[2025-03-16 14:13:16,335 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:16,336 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:16,337 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:16,341 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:16,342 INFO  L85        PathProgramCache]: Analyzing trace with hash 741717578, now seen corresponding path program 1 times
[2025-03-16 14:13:16,347 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:16,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026637020]
[2025-03-16 14:13:16,349 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:16,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:16,541 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 769 statements into 1 equivalence classes.
[2025-03-16 14:13:16,773 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 769 of 769 statements.
[2025-03-16 14:13:16,774 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:16,774 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:17,344 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 14:13:17,345 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:17,345 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026637020]
[2025-03-16 14:13:17,346 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026637020] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:17,346 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:17,346 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 14:13:17,347 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408937562]
[2025-03-16 14:13:17,347 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:17,351 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-03-16 14:13:17,354 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:17,373 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-03-16 14:13:17,373 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-16 14:13:17,377 INFO  L87              Difference]: Start difference. First operand  has 824 states, 822 states have (on average 1.9902676399026764) internal successors, (1636), 823 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 384.5) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:17,442 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:17,443 INFO  L93              Difference]: Finished difference Result 1647 states and 3271 transitions.
[2025-03-16 14:13:17,443 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-03-16 14:13:17,444 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 384.5) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 769
[2025-03-16 14:13:17,446 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:17,460 INFO  L225             Difference]: With dead ends: 1647
[2025-03-16 14:13:17,461 INFO  L226             Difference]: Without dead ends: 821
[2025-03-16 14:13:17,466 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-03-16 14:13:17,468 INFO  L435           NwaCegarLoop]: 1574 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, 1574 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
[2025-03-16 14:13:17,468 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-03-16 14:13:17,481 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 821 states.
[2025-03-16 14:13:17,516 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821.
[2025-03-16 14:13:17,521 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 821 states, 820 states have (on average 1.9158536585365853) internal successors, (1571), 820 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:17,528 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1571 transitions.
[2025-03-16 14:13:17,531 INFO  L78                 Accepts]: Start accepts. Automaton has 821 states and 1571 transitions. Word has length 769
[2025-03-16 14:13:17,532 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:17,533 INFO  L471      AbstractCegarLoop]: Abstraction has 821 states and 1571 transitions.
[2025-03-16 14:13:17,534 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 384.5) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:17,534 INFO  L276                IsEmpty]: Start isEmpty. Operand 821 states and 1571 transitions.
[2025-03-16 14:13:17,544 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 770
[2025-03-16 14:13:17,544 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:17,545 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:17,545 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-16 14:13:17,545 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:17,546 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:17,546 INFO  L85        PathProgramCache]: Analyzing trace with hash -201278100, now seen corresponding path program 1 times
[2025-03-16 14:13:17,546 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:17,546 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015843490]
[2025-03-16 14:13:17,546 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:17,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:17,614 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 769 statements into 1 equivalence classes.
[2025-03-16 14:13:17,711 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 769 of 769 statements.
[2025-03-16 14:13:17,713 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:17,713 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:18,506 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 14:13:18,507 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:18,507 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015843490]
[2025-03-16 14:13:18,507 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015843490] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:18,507 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:18,507 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 14:13:18,507 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350522498]
[2025-03-16 14:13:18,507 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:18,509 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:18,509 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:18,510 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:18,510 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:18,510 INFO  L87              Difference]: Start difference. First operand 821 states and 1571 transitions. Second operand  has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:21,004 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:21,004 INFO  L93              Difference]: Finished difference Result 2459 states and 4710 transitions.
[2025-03-16 14:13:21,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:21,004 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 769
[2025-03-16 14:13:21,006 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:21,012 INFO  L225             Difference]: With dead ends: 2459
[2025-03-16 14:13:21,013 INFO  L226             Difference]: Without dead ends: 1639
[2025-03-16 14:13:21,014 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:21,015 INFO  L435           NwaCegarLoop]: 233 mSDtfsCounter, 230 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 1115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1115 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:21,015 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 241 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1115 Valid, 2272 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2025-03-16 14:13:21,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1639 states.
[2025-03-16 14:13:21,053 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1639.
[2025-03-16 14:13:21,055 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1639 states, 1638 states have (on average 1.7808302808302807) internal successors, (2917), 1638 states have internal predecessors, (2917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:21,059 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2917 transitions.
[2025-03-16 14:13:21,060 INFO  L78                 Accepts]: Start accepts. Automaton has 1639 states and 2917 transitions. Word has length 769
[2025-03-16 14:13:21,061 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:21,061 INFO  L471      AbstractCegarLoop]: Abstraction has 1639 states and 2917 transitions.
[2025-03-16 14:13:21,061 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:21,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 1639 states and 2917 transitions.
[2025-03-16 14:13:21,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 775
[2025-03-16 14:13:21,071 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:21,071 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:21,071 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-16 14:13:21,071 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:21,072 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:21,072 INFO  L85        PathProgramCache]: Analyzing trace with hash 1506274144, now seen corresponding path program 1 times
[2025-03-16 14:13:21,072 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:21,072 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702047105]
[2025-03-16 14:13:21,072 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:21,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:21,200 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 774 statements into 1 equivalence classes.
[2025-03-16 14:13:21,211 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 774 of 774 statements.
[2025-03-16 14:13:21,211 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:21,211 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:21,870 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 14:13:21,873 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:21,873 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702047105]
[2025-03-16 14:13:21,873 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702047105] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:21,873 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:21,873 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 14:13:21,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461968340]
[2025-03-16 14:13:21,874 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:21,874 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:21,874 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:21,875 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:21,875 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:21,876 INFO  L87              Difference]: Start difference. First operand 1639 states and 2917 transitions. Second operand  has 3 states, 3 states have (on average 258.0) internal successors, (774), 2 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:24,320 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:24,320 INFO  L93              Difference]: Finished difference Result 4913 states and 8748 transitions.
[2025-03-16 14:13:24,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:24,321 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 258.0) internal successors, (774), 2 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 774
[2025-03-16 14:13:24,322 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:24,333 INFO  L225             Difference]: With dead ends: 4913
[2025-03-16 14:13:24,334 INFO  L226             Difference]: Without dead ends: 3275
[2025-03-16 14:13:24,339 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:24,341 INFO  L435           NwaCegarLoop]: 465 mSDtfsCounter, 1018 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 1077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 3157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1077 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:24,342 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 472 Invalid, 3157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1077 Valid, 2080 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2025-03-16 14:13:24,346 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3275 states.
[2025-03-16 14:13:24,400 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 3275.
[2025-03-16 14:13:24,404 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3275 states, 3274 states have (on average 1.5412339645693343) internal successors, (5046), 3274 states have internal predecessors, (5046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:24,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 3275 states and 5046 transitions.
[2025-03-16 14:13:24,411 INFO  L78                 Accepts]: Start accepts. Automaton has 3275 states and 5046 transitions. Word has length 774
[2025-03-16 14:13:24,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:24,411 INFO  L471      AbstractCegarLoop]: Abstraction has 3275 states and 5046 transitions.
[2025-03-16 14:13:24,412 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 258.0) internal successors, (774), 2 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:24,412 INFO  L276                IsEmpty]: Start isEmpty. Operand 3275 states and 5046 transitions.
[2025-03-16 14:13:24,425 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 792
[2025-03-16 14:13:24,426 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:24,426 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:24,426 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-16 14:13:24,427 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:24,428 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:24,428 INFO  L85        PathProgramCache]: Analyzing trace with hash 2027972794, now seen corresponding path program 1 times
[2025-03-16 14:13:24,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:24,428 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644457945]
[2025-03-16 14:13:24,428 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:24,428 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:24,494 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 791 statements into 1 equivalence classes.
[2025-03-16 14:13:24,541 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 791 of 791 statements.
[2025-03-16 14:13:24,541 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:24,541 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:25,068 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 14:13:25,069 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:25,069 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644457945]
[2025-03-16 14:13:25,069 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644457945] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:25,069 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:25,069 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 14:13:25,069 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990828998]
[2025-03-16 14:13:25,069 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:25,070 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:25,071 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:25,071 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:25,071 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:25,072 INFO  L87              Difference]: Start difference. First operand 3275 states and 5046 transitions. Second operand  has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:27,314 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:27,314 INFO  L93              Difference]: Finished difference Result 9821 states and 15135 transitions.
[2025-03-16 14:13:27,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:27,317 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 791
[2025-03-16 14:13:27,318 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:27,336 INFO  L225             Difference]: With dead ends: 9821
[2025-03-16 14:13:27,337 INFO  L226             Difference]: Without dead ends: 6547
[2025-03-16 14:13:27,341 INFO  L434           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
[2025-03-16 14:13:27,344 INFO  L435           NwaCegarLoop]: 1515 mSDtfsCounter, 68 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 854 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 854 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:27,345 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 1523 Invalid, 3239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [854 Valid, 2385 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2025-03-16 14:13:27,351 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6547 states.
[2025-03-16 14:13:27,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6547 to 6547.
[2025-03-16 14:13:27,431 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6547 states, 6546 states have (on average 1.4595172624503514) internal successors, (9554), 6546 states have internal predecessors, (9554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:27,441 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6547 states to 6547 states and 9554 transitions.
[2025-03-16 14:13:27,441 INFO  L78                 Accepts]: Start accepts. Automaton has 6547 states and 9554 transitions. Word has length 791
[2025-03-16 14:13:27,443 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:27,443 INFO  L471      AbstractCegarLoop]: Abstraction has 6547 states and 9554 transitions.
[2025-03-16 14:13:27,443 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:27,444 INFO  L276                IsEmpty]: Start isEmpty. Operand 6547 states and 9554 transitions.
[2025-03-16 14:13:27,454 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 808
[2025-03-16 14:13:27,455 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:27,455 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:27,455 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-16 14:13:27,455 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:27,456 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:27,456 INFO  L85        PathProgramCache]: Analyzing trace with hash -487684055, now seen corresponding path program 1 times
[2025-03-16 14:13:27,456 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:27,456 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453221504]
[2025-03-16 14:13:27,456 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:27,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:27,517 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 807 statements into 1 equivalence classes.
[2025-03-16 14:13:27,526 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 807 of 807 statements.
[2025-03-16 14:13:27,527 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:27,527 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:27,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2025-03-16 14:13:27,840 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:27,840 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453221504]
[2025-03-16 14:13:27,841 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453221504] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:27,841 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:27,841 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 14:13:27,841 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451405738]
[2025-03-16 14:13:27,841 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:27,842 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:27,842 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:27,843 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:27,843 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:27,843 INFO  L87              Difference]: Start difference. First operand 6547 states and 9554 transitions. Second operand  has 3 states, 3 states have (on average 264.6666666666667) internal successors, (794), 2 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:29,888 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:29,889 INFO  L93              Difference]: Finished difference Result 19637 states and 28659 transitions.
[2025-03-16 14:13:29,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:29,889 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 264.6666666666667) internal successors, (794), 2 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 807
[2025-03-16 14:13:29,889 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:29,919 INFO  L225             Difference]: With dead ends: 19637
[2025-03-16 14:13:29,919 INFO  L226             Difference]: Without dead ends: 13091
[2025-03-16 14:13:29,925 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:29,926 INFO  L435           NwaCegarLoop]: 190 mSDtfsCounter, 978 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 1177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 3456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1177 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:29,926 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 197 Invalid, 3456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1177 Valid, 2279 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-03-16 14:13:29,935 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13091 states.
[2025-03-16 14:13:30,120 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13091 to 13091.
[2025-03-16 14:13:30,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13091 states, 13090 states have (on average 1.4073338426279602) internal successors, (18422), 13090 states have internal predecessors, (18422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:30,169 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13091 states to 13091 states and 18422 transitions.
[2025-03-16 14:13:30,170 INFO  L78                 Accepts]: Start accepts. Automaton has 13091 states and 18422 transitions. Word has length 807
[2025-03-16 14:13:30,170 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:30,170 INFO  L471      AbstractCegarLoop]: Abstraction has 13091 states and 18422 transitions.
[2025-03-16 14:13:30,170 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 264.6666666666667) internal successors, (794), 2 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:30,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 13091 states and 18422 transitions.
[2025-03-16 14:13:30,190 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 861
[2025-03-16 14:13:30,190 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:30,191 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:30,191 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-16 14:13:30,191 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:30,192 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:30,192 INFO  L85        PathProgramCache]: Analyzing trace with hash 573023022, now seen corresponding path program 1 times
[2025-03-16 14:13:30,192 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:30,192 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313154504]
[2025-03-16 14:13:30,192 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:30,192 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:30,256 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 860 statements into 1 equivalence classes.
[2025-03-16 14:13:30,265 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 860 of 860 statements.
[2025-03-16 14:13:30,266 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:30,266 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:30,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2025-03-16 14:13:30,468 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:30,468 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313154504]
[2025-03-16 14:13:30,468 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313154504] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:30,468 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:30,468 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 14:13:30,468 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865105192]
[2025-03-16 14:13:30,468 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:30,469 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:30,469 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:30,470 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:30,470 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:30,470 INFO  L87              Difference]: Start difference. First operand 13091 states and 18422 transitions. Second operand  has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 2 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:32,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:32,543 INFO  L93              Difference]: Finished difference Result 39269 states and 55263 transitions.
[2025-03-16 14:13:32,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:32,546 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 2 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 860
[2025-03-16 14:13:32,549 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:32,596 INFO  L225             Difference]: With dead ends: 39269
[2025-03-16 14:13:32,596 INFO  L226             Difference]: Without dead ends: 26179
[2025-03-16 14:13:32,611 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:32,612 INFO  L435           NwaCegarLoop]: 543 mSDtfsCounter, 945 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 1063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 3133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1063 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:32,612 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 550 Invalid, 3133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1063 Valid, 2070 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2025-03-16 14:13:32,635 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26179 states.
[2025-03-16 14:13:32,828 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26179 to 25361.
[2025-03-16 14:13:32,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25361 states, 25360 states have (on average 1.2951104100946371) internal successors, (32844), 25360 states have internal predecessors, (32844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:32,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25361 states to 25361 states and 32844 transitions.
[2025-03-16 14:13:32,981 INFO  L78                 Accepts]: Start accepts. Automaton has 25361 states and 32844 transitions. Word has length 860
[2025-03-16 14:13:32,981 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:32,981 INFO  L471      AbstractCegarLoop]: Abstraction has 25361 states and 32844 transitions.
[2025-03-16 14:13:32,982 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 2 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:32,982 INFO  L276                IsEmpty]: Start isEmpty. Operand 25361 states and 32844 transitions.
[2025-03-16 14:13:33,008 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 891
[2025-03-16 14:13:33,008 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:33,009 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:33,009 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-16 14:13:33,009 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:33,010 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:33,011 INFO  L85        PathProgramCache]: Analyzing trace with hash -712677698, now seen corresponding path program 1 times
[2025-03-16 14:13:33,011 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:33,011 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244429483]
[2025-03-16 14:13:33,011 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:33,011 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:33,073 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 890 statements into 1 equivalence classes.
[2025-03-16 14:13:33,082 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 890 of 890 statements.
[2025-03-16 14:13:33,082 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:33,082 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:33,656 INFO  L134       CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 14:13:33,656 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:33,656 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244429483]
[2025-03-16 14:13:33,656 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244429483] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:33,656 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:33,656 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 14:13:33,656 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219906900]
[2025-03-16 14:13:33,657 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:33,657 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:33,657 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:33,658 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:33,658 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:33,658 INFO  L87              Difference]: Start difference. First operand 25361 states and 32844 transitions. Second operand  has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 2 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:35,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:35,576 INFO  L93              Difference]: Finished difference Result 51539 states and 66553 transitions.
[2025-03-16 14:13:35,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:35,576 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 2 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 890
[2025-03-16 14:13:35,576 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:35,658 INFO  L225             Difference]: With dead ends: 51539
[2025-03-16 14:13:35,658 INFO  L226             Difference]: Without dead ends: 26179
[2025-03-16 14:13:35,673 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:35,674 INFO  L435           NwaCegarLoop]: 642 mSDtfsCounter, 709 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 2934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:35,675 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 650 Invalid, 2934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-16 14:13:35,691 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26179 states.
[2025-03-16 14:13:35,934 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26179 to 26179.
[2025-03-16 14:13:35,959 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26179 states, 26178 states have (on average 1.2799297119718849) internal successors, (33506), 26178 states have internal predecessors, (33506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:35,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26179 states to 26179 states and 33506 transitions.
[2025-03-16 14:13:35,994 INFO  L78                 Accepts]: Start accepts. Automaton has 26179 states and 33506 transitions. Word has length 890
[2025-03-16 14:13:35,995 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:35,995 INFO  L471      AbstractCegarLoop]: Abstraction has 26179 states and 33506 transitions.
[2025-03-16 14:13:35,995 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 2 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:35,995 INFO  L276                IsEmpty]: Start isEmpty. Operand 26179 states and 33506 transitions.
[2025-03-16 14:13:36,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 906
[2025-03-16 14:13:36,031 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:36,032 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:36,032 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-16 14:13:36,032 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:36,033 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:36,034 INFO  L85        PathProgramCache]: Analyzing trace with hash -74092797, now seen corresponding path program 1 times
[2025-03-16 14:13:36,034 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:36,034 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225370318]
[2025-03-16 14:13:36,034 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:36,034 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:36,136 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 905 statements into 1 equivalence classes.
[2025-03-16 14:13:36,189 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 905 of 905 statements.
[2025-03-16 14:13:36,190 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:36,190 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:36,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 149 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2025-03-16 14:13:36,608 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:36,608 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225370318]
[2025-03-16 14:13:36,608 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225370318] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:36,608 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:36,608 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 14:13:36,608 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131560802]
[2025-03-16 14:13:36,608 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:36,609 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:36,609 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:36,610 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:36,610 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:36,610 INFO  L87              Difference]: Start difference. First operand 26179 states and 33506 transitions. Second operand  has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:38,574 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:38,574 INFO  L93              Difference]: Finished difference Result 52357 states and 67011 transitions.
[2025-03-16 14:13:38,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:38,575 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 905
[2025-03-16 14:13:38,576 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:38,613 INFO  L225             Difference]: With dead ends: 52357
[2025-03-16 14:13:38,614 INFO  L226             Difference]: Without dead ends: 26179
[2025-03-16 14:13:38,634 INFO  L434           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
[2025-03-16 14:13:38,635 INFO  L435           NwaCegarLoop]: 1121 mSDtfsCounter, 108 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 3100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:38,635 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1129 Invalid, 3100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 2743 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-16 14:13:38,652 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26179 states.
[2025-03-16 14:13:38,817 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26179 to 24543.
[2025-03-16 14:13:38,838 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24543 states, 24542 states have (on average 1.2292396707684785) internal successors, (30168), 24542 states have internal predecessors, (30168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:38,861 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24543 states to 24543 states and 30168 transitions.
[2025-03-16 14:13:38,862 INFO  L78                 Accepts]: Start accepts. Automaton has 24543 states and 30168 transitions. Word has length 905
[2025-03-16 14:13:38,863 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:38,863 INFO  L471      AbstractCegarLoop]: Abstraction has 24543 states and 30168 transitions.
[2025-03-16 14:13:38,864 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:38,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 24543 states and 30168 transitions.
[2025-03-16 14:13:38,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 962
[2025-03-16 14:13:38,885 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:38,886 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:38,886 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-16 14:13:38,886 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:38,886 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:38,887 INFO  L85        PathProgramCache]: Analyzing trace with hash -2119345710, now seen corresponding path program 1 times
[2025-03-16 14:13:38,887 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:38,887 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604460915]
[2025-03-16 14:13:38,887 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:38,887 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:38,974 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 961 statements into 1 equivalence classes.
[2025-03-16 14:13:38,981 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 961 of 961 statements.
[2025-03-16 14:13:38,982 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:38,982 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:39,295 INFO  L134       CoverageAnalysis]: Checked inductivity of 245 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2025-03-16 14:13:39,295 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:39,296 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604460915]
[2025-03-16 14:13:39,296 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604460915] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:39,296 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:39,296 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-03-16 14:13:39,296 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262171873]
[2025-03-16 14:13:39,296 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:39,297 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:39,297 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:39,297 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:39,298 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:39,298 INFO  L87              Difference]: Start difference. First operand 24543 states and 30168 transitions. Second operand  has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 2 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:41,400 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:41,400 INFO  L93              Difference]: Finished difference Result 71989 states and 88379 transitions.
[2025-03-16 14:13:41,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:41,400 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 2 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 961
[2025-03-16 14:13:41,401 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:41,452 INFO  L225             Difference]: With dead ends: 71989
[2025-03-16 14:13:41,453 INFO  L226             Difference]: Without dead ends: 47447
[2025-03-16 14:13:41,476 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:41,476 INFO  L435           NwaCegarLoop]: 304 mSDtfsCounter, 988 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 1170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 3335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:41,477 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 311 Invalid, 3335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2025-03-16 14:13:41,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47447 states.
[2025-03-16 14:13:41,888 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47447 to 45811.
[2025-03-16 14:13:41,912 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 45811 states, 45810 states have (on average 1.1832787600960488) internal successors, (54206), 45810 states have internal predecessors, (54206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:41,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45811 states to 45811 states and 54206 transitions.
[2025-03-16 14:13:41,949 INFO  L78                 Accepts]: Start accepts. Automaton has 45811 states and 54206 transitions. Word has length 961
[2025-03-16 14:13:41,949 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:41,949 INFO  L471      AbstractCegarLoop]: Abstraction has 45811 states and 54206 transitions.
[2025-03-16 14:13:41,949 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 2 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:41,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 45811 states and 54206 transitions.
[2025-03-16 14:13:41,972 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1024
[2025-03-16 14:13:41,973 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:41,973 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:41,973 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-16 14:13:41,973 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:41,974 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:41,974 INFO  L85        PathProgramCache]: Analyzing trace with hash -1191489503, now seen corresponding path program 1 times
[2025-03-16 14:13:41,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:41,974 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793154629]
[2025-03-16 14:13:41,974 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:41,974 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:42,043 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1023 statements into 1 equivalence classes.
[2025-03-16 14:13:42,079 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1023 of 1023 statements.
[2025-03-16 14:13:42,080 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:42,080 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:42,658 INFO  L134       CoverageAnalysis]: Checked inductivity of 399 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked.
[2025-03-16 14:13:42,658 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:42,658 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793154629]
[2025-03-16 14:13:42,658 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793154629] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:42,658 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:42,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 14:13:42,658 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002991928]
[2025-03-16 14:13:42,659 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:42,659 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:42,659 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:42,660 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:42,660 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:42,660 INFO  L87              Difference]: Start difference. First operand 45811 states and 54206 transitions. Second operand  has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:44,746 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:44,747 INFO  L93              Difference]: Finished difference Result 91621 states and 108411 transitions.
[2025-03-16 14:13:44,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:44,747 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1023
[2025-03-16 14:13:44,748 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:44,794 INFO  L225             Difference]: With dead ends: 91621
[2025-03-16 14:13:44,794 INFO  L226             Difference]: Without dead ends: 45811
[2025-03-16 14:13:44,823 INFO  L434           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
[2025-03-16 14:13:44,823 INFO  L435           NwaCegarLoop]: 1284 mSDtfsCounter, 106 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 3079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:44,824 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1292 Invalid, 3079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 2605 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-16 14:13:44,855 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45811 states.
[2025-03-16 14:13:45,094 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45811 to 44993.
[2025-03-16 14:13:45,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44993 states, 44992 states have (on average 1.1245110241820768) internal successors, (50594), 44992 states have internal predecessors, (50594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:45,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44993 states to 44993 states and 50594 transitions.
[2025-03-16 14:13:45,159 INFO  L78                 Accepts]: Start accepts. Automaton has 44993 states and 50594 transitions. Word has length 1023
[2025-03-16 14:13:45,159 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:45,159 INFO  L471      AbstractCegarLoop]: Abstraction has 44993 states and 50594 transitions.
[2025-03-16 14:13:45,160 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:45,160 INFO  L276                IsEmpty]: Start isEmpty. Operand 44993 states and 50594 transitions.
[2025-03-16 14:13:45,192 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1108
[2025-03-16 14:13:45,192 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:45,192 INFO  L218           NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:45,192 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-16 14:13:45,193 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:45,193 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:45,193 INFO  L85        PathProgramCache]: Analyzing trace with hash 1589977002, now seen corresponding path program 1 times
[2025-03-16 14:13:45,193 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:45,193 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127543788]
[2025-03-16 14:13:45,193 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:45,194 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:45,363 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1107 statements into 1 equivalence classes.
[2025-03-16 14:13:45,377 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1107 of 1107 statements.
[2025-03-16 14:13:45,378 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:45,378 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:46,015 INFO  L134       CoverageAnalysis]: Checked inductivity of 582 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.
[2025-03-16 14:13:46,015 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:46,015 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127543788]
[2025-03-16 14:13:46,016 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127543788] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:46,016 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:46,016 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 14:13:46,016 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535628079]
[2025-03-16 14:13:46,016 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:46,017 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:46,017 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:46,017 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:46,017 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:46,017 INFO  L87              Difference]: Start difference. First operand 44993 states and 50594 transitions. Second operand  has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:47,891 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:47,891 INFO  L93              Difference]: Finished difference Result 90803 states and 102035 transitions.
[2025-03-16 14:13:47,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:13:47,892 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1107
[2025-03-16 14:13:47,892 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:47,936 INFO  L225             Difference]: With dead ends: 90803
[2025-03-16 14:13:47,936 INFO  L226             Difference]: Without dead ends: 45811
[2025-03-16 14:13:47,966 INFO  L434           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
[2025-03-16 14:13:47,966 INFO  L435           NwaCegarLoop]: 666 mSDtfsCounter, 809 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 2622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:47,966 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 674 Invalid, 2622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 2027 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-03-16 14:13:47,998 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45811 states.
[2025-03-16 14:13:48,258 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45811 to 45811.
[2025-03-16 14:13:48,290 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 45811 states, 45810 states have (on average 1.1199301462562758) internal successors, (51304), 45810 states have internal predecessors, (51304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:48,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45811 states to 45811 states and 51304 transitions.
[2025-03-16 14:13:48,332 INFO  L78                 Accepts]: Start accepts. Automaton has 45811 states and 51304 transitions. Word has length 1107
[2025-03-16 14:13:48,333 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:48,333 INFO  L471      AbstractCegarLoop]: Abstraction has 45811 states and 51304 transitions.
[2025-03-16 14:13:48,333 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:48,333 INFO  L276                IsEmpty]: Start isEmpty. Operand 45811 states and 51304 transitions.
[2025-03-16 14:13:48,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1160
[2025-03-16 14:13:48,360 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:48,360 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:48,360 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-03-16 14:13:48,360 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:48,361 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:48,361 INFO  L85        PathProgramCache]: Analyzing trace with hash 46127461, now seen corresponding path program 1 times
[2025-03-16 14:13:48,361 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:48,361 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525868017]
[2025-03-16 14:13:48,361 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:48,361 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:48,439 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1159 statements into 1 equivalence classes.
[2025-03-16 14:13:48,461 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1159 of 1159 statements.
[2025-03-16 14:13:48,461 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:48,461 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:49,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 451 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2025-03-16 14:13:49,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:49,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525868017]
[2025-03-16 14:13:49,898 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525868017] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:49,898 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:49,898 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 14:13:49,898 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147198299]
[2025-03-16 14:13:49,898 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:49,899 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-16 14:13:49,899 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:49,900 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-16 14:13:49,900 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-16 14:13:49,900 INFO  L87              Difference]: Start difference. First operand 45811 states and 51304 transitions. Second operand  has 5 states, 5 states have (on average 219.2) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:52,537 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:52,537 INFO  L93              Difference]: Finished difference Result 92439 states and 103449 transitions.
[2025-03-16 14:13:52,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-16 14:13:52,538 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 219.2) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1159
[2025-03-16 14:13:52,538 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:52,604 INFO  L225             Difference]: With dead ends: 92439
[2025-03-16 14:13:52,604 INFO  L226             Difference]: Without dead ends: 46629
[2025-03-16 14:13:52,634 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2025-03-16 14:13:52,635 INFO  L435           NwaCegarLoop]: 758 mSDtfsCounter, 923 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 4453 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 4470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:52,635 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 1842 Invalid, 4470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 4453 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2025-03-16 14:13:52,664 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46629 states.
[2025-03-16 14:13:52,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46629 to 46629.
[2025-03-16 14:13:52,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46629 states, 46628 states have (on average 1.1179548768980012) internal successors, (52128), 46628 states have internal predecessors, (52128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:53,021 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46629 states to 46629 states and 52128 transitions.
[2025-03-16 14:13:53,021 INFO  L78                 Accepts]: Start accepts. Automaton has 46629 states and 52128 transitions. Word has length 1159
[2025-03-16 14:13:53,022 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:53,022 INFO  L471      AbstractCegarLoop]: Abstraction has 46629 states and 52128 transitions.
[2025-03-16 14:13:53,022 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 219.2) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:53,022 INFO  L276                IsEmpty]: Start isEmpty. Operand 46629 states and 52128 transitions.
[2025-03-16 14:13:53,048 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1175
[2025-03-16 14:13:53,048 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:53,048 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:53,048 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-03-16 14:13:53,048 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:53,049 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:53,049 INFO  L85        PathProgramCache]: Analyzing trace with hash 1100138816, now seen corresponding path program 1 times
[2025-03-16 14:13:53,049 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:53,049 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308899763]
[2025-03-16 14:13:53,049 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:53,049 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:53,129 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1174 statements into 1 equivalence classes.
[2025-03-16 14:13:53,152 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1174 of 1174 statements.
[2025-03-16 14:13:53,152 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:53,152 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:54,505 INFO  L134       CoverageAnalysis]: Checked inductivity of 495 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2025-03-16 14:13:54,505 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:54,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308899763]
[2025-03-16 14:13:54,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308899763] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:54,506 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:54,506 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-16 14:13:54,506 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952069174]
[2025-03-16 14:13:54,506 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:54,507 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-16 14:13:54,507 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:54,508 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-16 14:13:54,508 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2025-03-16 14:13:54,508 INFO  L87              Difference]: Start difference. First operand 46629 states and 52128 transitions. Second operand  has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 5 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:57,768 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:13:57,768 INFO  L93              Difference]: Finished difference Result 94893 states and 105975 transitions.
[2025-03-16 14:13:57,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-03-16 14:13:57,768 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 5 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1174
[2025-03-16 14:13:57,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:13:57,816 INFO  L225             Difference]: With dead ends: 94893
[2025-03-16 14:13:57,816 INFO  L226             Difference]: Without dead ends: 49083
[2025-03-16 14:13:57,846 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2025-03-16 14:13:57,847 INFO  L435           NwaCegarLoop]: 745 mSDtfsCounter, 1535 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 7530 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 7564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 7530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2025-03-16 14:13:57,847 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 1821 Invalid, 7564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 7530 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2025-03-16 14:13:57,876 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49083 states.
[2025-03-16 14:13:58,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49083 to 49083.
[2025-03-16 14:13:58,179 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 49083 states, 49082 states have (on average 1.113035328633715) internal successors, (54630), 49082 states have internal predecessors, (54630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:58,221 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49083 states to 49083 states and 54630 transitions.
[2025-03-16 14:13:58,222 INFO  L78                 Accepts]: Start accepts. Automaton has 49083 states and 54630 transitions. Word has length 1174
[2025-03-16 14:13:58,222 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:13:58,222 INFO  L471      AbstractCegarLoop]: Abstraction has 49083 states and 54630 transitions.
[2025-03-16 14:13:58,222 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 5 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:13:58,222 INFO  L276                IsEmpty]: Start isEmpty. Operand 49083 states and 54630 transitions.
[2025-03-16 14:13:58,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1182
[2025-03-16 14:13:58,249 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:13:58,249 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:13:58,249 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-03-16 14:13:58,250 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:13:58,250 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:13:58,250 INFO  L85        PathProgramCache]: Analyzing trace with hash 1384690227, now seen corresponding path program 1 times
[2025-03-16 14:13:58,250 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:13:58,250 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420458274]
[2025-03-16 14:13:58,250 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:13:58,251 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:13:58,323 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1181 statements into 1 equivalence classes.
[2025-03-16 14:13:58,347 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1181 of 1181 statements.
[2025-03-16 14:13:58,347 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:13:58,347 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:13:58,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 516 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2025-03-16 14:13:58,692 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:13:58,692 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420458274]
[2025-03-16 14:13:58,692 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420458274] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:13:58,692 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:13:58,692 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 14:13:58,692 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344052632]
[2025-03-16 14:13:58,692 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:13:58,693 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:13:58,693 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:13:58,694 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:13:58,694 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:13:58,694 INFO  L87              Difference]: Start difference. First operand 49083 states and 54630 transitions. Second operand  has 3 states, 3 states have (on average 387.0) internal successors, (1161), 3 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:00,684 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:14:00,685 INFO  L93              Difference]: Finished difference Result 111253 states and 124855 transitions.
[2025-03-16 14:14:00,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:14:00,685 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 387.0) internal successors, (1161), 3 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1181
[2025-03-16 14:14:00,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:14:00,749 INFO  L225             Difference]: With dead ends: 111253
[2025-03-16 14:14:00,750 INFO  L226             Difference]: Without dead ends: 62989
[2025-03-16 14:14:00,778 INFO  L434           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
[2025-03-16 14:14:00,779 INFO  L435           NwaCegarLoop]: 1476 mSDtfsCounter, 761 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2652 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 2977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 2652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-03-16 14:14:00,779 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 1484 Invalid, 2977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 2652 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-03-16 14:14:00,813 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62989 states.
[2025-03-16 14:14:01,179 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62989 to 62171.
[2025-03-16 14:14:01,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62171 states, 62170 states have (on average 1.1073829821457295) internal successors, (68846), 62170 states have internal predecessors, (68846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:01,278 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62171 states to 62171 states and 68846 transitions.
[2025-03-16 14:14:01,278 INFO  L78                 Accepts]: Start accepts. Automaton has 62171 states and 68846 transitions. Word has length 1181
[2025-03-16 14:14:01,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:14:01,279 INFO  L471      AbstractCegarLoop]: Abstraction has 62171 states and 68846 transitions.
[2025-03-16 14:14:01,279 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 387.0) internal successors, (1161), 3 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:01,279 INFO  L276                IsEmpty]: Start isEmpty. Operand 62171 states and 68846 transitions.
[2025-03-16 14:14:01,311 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1300
[2025-03-16 14:14:01,311 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:14:01,311 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:14:01,311 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-03-16 14:14:01,312 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:14:01,312 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:14:01,312 INFO  L85        PathProgramCache]: Analyzing trace with hash 722235113, now seen corresponding path program 1 times
[2025-03-16 14:14:01,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:14:01,312 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551150017]
[2025-03-16 14:14:01,312 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:01,312 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:14:01,388 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1299 statements into 1 equivalence classes.
[2025-03-16 14:14:01,401 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1299 of 1299 statements.
[2025-03-16 14:14:01,402 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:01,402 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:01,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 1268 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked.
[2025-03-16 14:14:01,794 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:14:01,794 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551150017]
[2025-03-16 14:14:01,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551150017] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:14:01,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:14:01,794 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 14:14:01,794 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719393900]
[2025-03-16 14:14:01,794 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:14:01,794 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:14:01,794 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:14:01,795 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:14:01,795 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:14:01,795 INFO  L87              Difference]: Start difference. First operand 62171 states and 68846 transitions. Second operand  has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:03,698 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:14:03,698 INFO  L93              Difference]: Finished difference Result 123523 states and 136867 transitions.
[2025-03-16 14:14:03,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:14:03,699 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1299
[2025-03-16 14:14:03,699 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:14:03,782 INFO  L225             Difference]: With dead ends: 123523
[2025-03-16 14:14:03,782 INFO  L226             Difference]: Without dead ends: 62171
[2025-03-16 14:14:03,819 INFO  L434           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
[2025-03-16 14:14:03,820 INFO  L435           NwaCegarLoop]: 231 mSDtfsCounter, 945 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2244 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 2244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-03-16 14:14:03,820 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 238 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 2244 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-03-16 14:14:03,859 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62171 states.
[2025-03-16 14:14:04,224 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62171 to 61353.
[2025-03-16 14:14:04,264 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61353 states, 61352 states have (on average 1.087495110183857) internal successors, (66720), 61352 states have internal predecessors, (66720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:04,318 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61353 states to 61353 states and 66720 transitions.
[2025-03-16 14:14:04,319 INFO  L78                 Accepts]: Start accepts. Automaton has 61353 states and 66720 transitions. Word has length 1299
[2025-03-16 14:14:04,319 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:14:04,319 INFO  L471      AbstractCegarLoop]: Abstraction has 61353 states and 66720 transitions.
[2025-03-16 14:14:04,320 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:04,320 INFO  L276                IsEmpty]: Start isEmpty. Operand 61353 states and 66720 transitions.
[2025-03-16 14:14:04,351 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1386
[2025-03-16 14:14:04,351 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:14:04,351 INFO  L218           NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:14:04,351 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2025-03-16 14:14:04,351 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:14:04,352 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:14:04,352 INFO  L85        PathProgramCache]: Analyzing trace with hash 361494607, now seen corresponding path program 1 times
[2025-03-16 14:14:04,352 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:14:04,352 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41230781]
[2025-03-16 14:14:04,352 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:04,353 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:14:04,435 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1385 statements into 1 equivalence classes.
[2025-03-16 14:14:04,471 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1385 of 1385 statements.
[2025-03-16 14:14:04,471 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:04,471 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:05,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 1189 backedges. 932 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked.
[2025-03-16 14:14:05,114 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:14:05,114 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41230781]
[2025-03-16 14:14:05,114 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41230781] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:14:05,114 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 14:14:05,114 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 14:14:05,114 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523996108]
[2025-03-16 14:14:05,114 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:14:05,115 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:14:05,115 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:14:05,116 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:14:05,116 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 14:14:05,116 INFO  L87              Difference]: Start difference. First operand 61353 states and 66720 transitions. Second operand  has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:07,049 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:14:07,049 INFO  L93              Difference]: Finished difference Result 139883 states and 152576 transitions.
[2025-03-16 14:14:07,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:14:07,050 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1385
[2025-03-16 14:14:07,050 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:14:07,141 INFO  L225             Difference]: With dead ends: 139883
[2025-03-16 14:14:07,141 INFO  L226             Difference]: Without dead ends: 79349
[2025-03-16 14:14:07,180 INFO  L434           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
[2025-03-16 14:14:07,181 INFO  L435           NwaCegarLoop]: 1402 mSDtfsCounter, 664 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-03-16 14:14:07,182 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 1409 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [848 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-03-16 14:14:07,236 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79349 states.
[2025-03-16 14:14:07,674 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79349 to 70351.
[2025-03-16 14:14:07,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 70351 states, 70350 states have (on average 1.0803411513859276) internal successors, (76002), 70350 states have internal predecessors, (76002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:07,777 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70351 states to 70351 states and 76002 transitions.
[2025-03-16 14:14:07,778 INFO  L78                 Accepts]: Start accepts. Automaton has 70351 states and 76002 transitions. Word has length 1385
[2025-03-16 14:14:07,779 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:14:07,779 INFO  L471      AbstractCegarLoop]: Abstraction has 70351 states and 76002 transitions.
[2025-03-16 14:14:07,779 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:07,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 70351 states and 76002 transitions.
[2025-03-16 14:14:07,811 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1420
[2025-03-16 14:14:07,811 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:14:07,812 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:14:07,812 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2025-03-16 14:14:07,812 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:14:07,813 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:14:07,813 INFO  L85        PathProgramCache]: Analyzing trace with hash -299758218, now seen corresponding path program 1 times
[2025-03-16 14:14:07,813 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:14:07,813 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916845585]
[2025-03-16 14:14:07,813 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:07,813 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:14:07,898 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1419 statements into 1 equivalence classes.
[2025-03-16 14:14:07,949 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1419 of 1419 statements.
[2025-03-16 14:14:07,949 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:07,949 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:10,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 1178 backedges. 497 proven. 569 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2025-03-16 14:14:10,168 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:14:10,168 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916845585]
[2025-03-16 14:14:10,169 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916845585] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-16 14:14:10,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269503269]
[2025-03-16 14:14:10,169 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:10,169 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-16 14:14:10,169 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 14:14:10,171 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)
[2025-03-16 14:14:10,173 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-03-16 14:14:10,295 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1419 statements into 1 equivalence classes.
[2025-03-16 14:14:10,481 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1419 of 1419 statements.
[2025-03-16 14:14:10,481 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:10,481 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:10,487 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 2 conjuncts are in the unsatisfiable core
[2025-03-16 14:14:10,513 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-16 14:14:11,146 INFO  L134       CoverageAnalysis]: Checked inductivity of 1178 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2025-03-16 14:14:11,147 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-16 14:14:11,147 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269503269] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:14:11,147 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-16 14:14:11,147 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2025-03-16 14:14:11,147 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657704463]
[2025-03-16 14:14:11,147 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:14:11,149 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:14:11,149 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:14:11,149 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:14:11,149 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2025-03-16 14:14:11,150 INFO  L87              Difference]: Start difference. First operand 70351 states and 76002 transitions. Second operand  has 3 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:13,088 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:14:13,088 INFO  L93              Difference]: Finished difference Result 139883 states and 151179 transitions.
[2025-03-16 14:14:13,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:14:13,089 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1419
[2025-03-16 14:14:13,089 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:14:13,147 INFO  L225             Difference]: With dead ends: 139883
[2025-03-16 14:14:13,147 INFO  L226             Difference]: Without dead ends: 70351
[2025-03-16 14:14:13,181 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 1425 GetRequests, 1420 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2025-03-16 14:14:13,182 INFO  L435           NwaCegarLoop]: 1122 mSDtfsCounter, 183 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 2983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2025-03-16 14:14:13,182 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1130 Invalid, 2983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2025-03-16 14:14:13,217 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 70351 states.
[2025-03-16 14:14:13,588 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 70351 to 67897.
[2025-03-16 14:14:13,635 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 67897 states, 67896 states have (on average 1.062330623306233) internal successors, (72128), 67896 states have internal predecessors, (72128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:13,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67897 states to 67897 states and 72128 transitions.
[2025-03-16 14:14:13,692 INFO  L78                 Accepts]: Start accepts. Automaton has 67897 states and 72128 transitions. Word has length 1419
[2025-03-16 14:14:13,693 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:14:13,693 INFO  L471      AbstractCegarLoop]: Abstraction has 67897 states and 72128 transitions.
[2025-03-16 14:14:13,693 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:13,693 INFO  L276                IsEmpty]: Start isEmpty. Operand 67897 states and 72128 transitions.
[2025-03-16 14:14:13,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3367
[2025-03-16 14:14:13,890 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:14:13,891 INFO  L218           NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:14:13,899 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2025-03-16 14:14:14,092 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,SelfDestructingSolverStorable16
[2025-03-16 14:14:14,092 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:14:14,093 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:14:14,093 INFO  L85        PathProgramCache]: Analyzing trace with hash -794012116, now seen corresponding path program 1 times
[2025-03-16 14:14:14,093 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:14:14,093 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999269621]
[2025-03-16 14:14:14,094 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:14,094 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:14:14,289 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3366 statements into 1 equivalence classes.
[2025-03-16 14:14:14,333 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3366 of 3366 statements.
[2025-03-16 14:14:14,333 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:14,333 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:19,162 INFO  L134       CoverageAnalysis]: Checked inductivity of 11896 backedges. 4635 proven. 89 refuted. 0 times theorem prover too weak. 7172 trivial. 0 not checked.
[2025-03-16 14:14:19,162 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:14:19,163 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999269621]
[2025-03-16 14:14:19,163 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999269621] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-16 14:14:19,163 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197302790]
[2025-03-16 14:14:19,163 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:19,163 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-16 14:14:19,163 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 14:14:19,165 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-16 14:14:19,166 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-03-16 14:14:19,452 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3366 statements into 1 equivalence classes.
[2025-03-16 14:14:19,888 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3366 of 3366 statements.
[2025-03-16 14:14:19,888 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:19,888 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:19,901 INFO  L256         TraceCheckSpWp]: Trace formula consists of 3931 conjuncts, 2 conjuncts are in the unsatisfiable core
[2025-03-16 14:14:19,925 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-16 14:14:20,222 INFO  L134       CoverageAnalysis]: Checked inductivity of 11896 backedges. 7140 proven. 0 refuted. 0 times theorem prover too weak. 4756 trivial. 0 not checked.
[2025-03-16 14:14:20,222 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-16 14:14:20,222 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197302790] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:14:20,222 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-16 14:14:20,222 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2025-03-16 14:14:20,223 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784651460]
[2025-03-16 14:14:20,223 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:14:20,224 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:14:20,224 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:14:20,225 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:14:20,225 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2025-03-16 14:14:20,225 INFO  L87              Difference]: Start difference. First operand 67897 states and 72128 transitions. Second operand  has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:22,476 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:14:22,476 INFO  L93              Difference]: Finished difference Result 158697 states and 168708 transitions.
[2025-03-16 14:14:22,476 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:14:22,476 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3366
[2025-03-16 14:14:22,477 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:14:22,581 INFO  L225             Difference]: With dead ends: 158697
[2025-03-16 14:14:22,581 INFO  L226             Difference]: Without dead ends: 91619
[2025-03-16 14:14:22,633 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3370 GetRequests, 3365 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2025-03-16 14:14:22,633 INFO  L435           NwaCegarLoop]: 1470 mSDtfsCounter, 489 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3055 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 3355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 3055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2025-03-16 14:14:22,634 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1478 Invalid, 3355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 3055 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2025-03-16 14:14:22,699 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91619 states.
[2025-03-16 14:14:23,459 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91619 to 86711.
[2025-03-16 14:14:23,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86711 states, 86710 states have (on average 1.0585514934840272) internal successors, (91787), 86710 states have internal predecessors, (91787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:23,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86711 states to 86711 states and 91787 transitions.
[2025-03-16 14:14:23,574 INFO  L78                 Accepts]: Start accepts. Automaton has 86711 states and 91787 transitions. Word has length 3366
[2025-03-16 14:14:23,575 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:14:23,575 INFO  L471      AbstractCegarLoop]: Abstraction has 86711 states and 91787 transitions.
[2025-03-16 14:14:23,575 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:23,575 INFO  L276                IsEmpty]: Start isEmpty. Operand 86711 states and 91787 transitions.
[2025-03-16 14:14:23,673 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3706
[2025-03-16 14:14:23,673 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:14:23,674 INFO  L218           NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:14:23,683 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2025-03-16 14:14:23,874 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2025-03-16 14:14:23,875 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:14:23,875 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:14:23,876 INFO  L85        PathProgramCache]: Analyzing trace with hash -107695808, now seen corresponding path program 1 times
[2025-03-16 14:14:23,876 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:14:23,876 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804307886]
[2025-03-16 14:14:23,876 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:23,876 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:14:24,099 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3705 statements into 1 equivalence classes.
[2025-03-16 14:14:24,148 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3705 of 3705 statements.
[2025-03-16 14:14:24,148 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:24,148 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:29,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 12809 backedges. 4559 proven. 89 refuted. 0 times theorem prover too weak. 8161 trivial. 0 not checked.
[2025-03-16 14:14:29,961 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 14:14:29,962 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804307886]
[2025-03-16 14:14:29,962 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804307886] provided 0 perfect and 1 imperfect interpolant sequences
[2025-03-16 14:14:29,962 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200173569]
[2025-03-16 14:14:29,962 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:29,962 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-16 14:14:29,962 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 14:14:29,964 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-03-16 14:14:29,966 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2025-03-16 14:14:30,231 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3705 statements into 1 equivalence classes.
[2025-03-16 14:14:30,703 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3705 of 3705 statements.
[2025-03-16 14:14:30,703 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:30,703 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 14:14:30,715 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4269 conjuncts, 2 conjuncts are in the unsatisfiable core
[2025-03-16 14:14:30,735 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-03-16 14:14:30,995 INFO  L134       CoverageAnalysis]: Checked inductivity of 12809 backedges. 5366 proven. 0 refuted. 0 times theorem prover too weak. 7443 trivial. 0 not checked.
[2025-03-16 14:14:30,996 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-03-16 14:14:30,996 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [200173569] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 14:14:30,996 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-03-16 14:14:30,996 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2025-03-16 14:14:30,997 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120111660]
[2025-03-16 14:14:30,997 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 14:14:30,998 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 14:14:30,998 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 14:14:30,999 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 14:14:30,999 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2025-03-16 14:14:31,000 INFO  L87              Difference]: Start difference. First operand 86711 states and 91787 transitions. Second operand  has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:33,101 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 14:14:33,101 INFO  L93              Difference]: Finished difference Result 188145 states and 199185 transitions.
[2025-03-16 14:14:33,102 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 14:14:33,102 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3705
[2025-03-16 14:14:33,102 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 14:14:33,207 INFO  L225             Difference]: With dead ends: 188145
[2025-03-16 14:14:33,208 INFO  L226             Difference]: Without dead ends: 109615
[2025-03-16 14:14:33,255 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3709 GetRequests, 3704 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2025-03-16 14:14:33,255 INFO  L435           NwaCegarLoop]: 1397 mSDtfsCounter, 737 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 2970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2025-03-16 14:14:33,255 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1405 Invalid, 2970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2025-03-16 14:14:33,323 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109615 states.
[2025-03-16 14:14:34,013 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109615 to 101435.
[2025-03-16 14:14:34,080 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101435 states, 101434 states have (on average 1.0540055602657885) internal successors, (106912), 101434 states have internal predecessors, (106912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:34,169 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101435 states to 101435 states and 106912 transitions.
[2025-03-16 14:14:34,170 INFO  L78                 Accepts]: Start accepts. Automaton has 101435 states and 106912 transitions. Word has length 3705
[2025-03-16 14:14:34,170 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 14:14:34,170 INFO  L471      AbstractCegarLoop]: Abstraction has 101435 states and 106912 transitions.
[2025-03-16 14:14:34,171 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-03-16 14:14:34,171 INFO  L276                IsEmpty]: Start isEmpty. Operand 101435 states and 106912 transitions.
[2025-03-16 14:14:34,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4337
[2025-03-16 14:14:34,289 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 14:14:34,290 INFO  L218           NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-16 14:14:34,298 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2025-03-16 14:14:34,490 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-03-16 14:14:34,490 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 14:14:34,491 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 14:14:34,492 INFO  L85        PathProgramCache]: Analyzing trace with hash 310516810, now seen corresponding path program 1 times
[2025-03-16 14:14:34,492 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 14:14:34,492 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567629317]
[2025-03-16 14:14:34,492 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 14:14:34,492 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 14:14:34,788 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4336 statements into 1 equivalence classes.
[2025-03-16 14:14:34,836 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4336 of 4336 statements.
[2025-03-16 14:14:34,836 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 14:14:34,836 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat