./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c --full-output --architecture 64bit


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


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/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash c888db1f5e37219dac4d5917a040a62c9fc6713a50acd4dd97ac407a3349f486
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-8fc3dc6-m
[2025-03-16 22:12:50,945 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-16 22:12:50,994 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-16 22:12:50,997 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-16 22:12:50,999 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-16 22:12:51,014 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-16 22:12:51,014 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-16 22:12:51,015 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-16 22:12:51,015 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-16 22:12:51,015 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-16 22:12:51,015 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-16 22:12:51,015 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-16 22:12:51,016 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 22:12:51,016 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-16 22:12:51,016 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-16 22:12:51,016 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c888db1f5e37219dac4d5917a040a62c9fc6713a50acd4dd97ac407a3349f486
[2025-03-16 22:12:51,257 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-16 22:12:51,266 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-16 22:12:51,268 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-16 22:12:51,269 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-16 22:12:51,269 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-16 22:12:51,270 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c
[2025-03-16 22:12:52,426 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18b89592/2cbb6111a1914e6a85d2766e01a02c9c/FLAG0b9b0673f
[2025-03-16 22:12:52,866 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-16 22:12:52,867 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c
[2025-03-16 22:12:52,889 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18b89592/2cbb6111a1914e6a85d2766e01a02c9c/FLAG0b9b0673f
[2025-03-16 22:12:53,010 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18b89592/2cbb6111a1914e6a85d2766e01a02c9c
[2025-03-16 22:12:53,012 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-16 22:12:53,013 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-16 22:12:53,013 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-16 22:12:53,014 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-16 22:12:53,016 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-16 22:12:53,017 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:12:53" (1/1) ...
[2025-03-16 22:12:53,017 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5540f65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:53, skipping insertion in model container
[2025-03-16 22:12:53,017 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:12:53" (1/1) ...
[2025-03-16 22:12:53,073 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-16 22:12:53,264 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/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c[1174,1187]
[2025-03-16 22:12:53,762 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 22:12:53,769 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-16 22:12:53,776 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/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c[1174,1187]
[2025-03-16 22:12:54,026 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-16 22:12:54,037 INFO  L204         MainTranslator]: Completed translation
[2025-03-16 22:12:54,038 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54 WrapperNode
[2025-03-16 22:12:54,038 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-16 22:12:54,039 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-16 22:12:54,039 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-16 22:12:54,039 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-16 22:12:54,043 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:54,142 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:55,417 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18246
[2025-03-16 22:12:55,418 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-16 22:12:55,418 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-16 22:12:55,418 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-16 22:12:55,418 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-16 22:12:55,425 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:55,425 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,003 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,275 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 22:12:56,275 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,276 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,567 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,650 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,713 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,764 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,938 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-16 22:12:56,939 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-16 22:12:56,939 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-16 22:12:56,939 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-16 22:12:56,940 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (1/1) ...
[2025-03-16 22:12:56,944 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-16 22:12:56,953 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-16 22:12:56,967 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 22:12:56,970 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 22:12:56,986 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-16 22:12:56,986 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-16 22:12:56,986 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-16 22:12:56,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-16 22:12:57,629 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-16 22:12:57,630 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-16 22:13:29,459 INFO  L?                        ?]: Removed 9838 outVars from TransFormulas that were not future-live.
[2025-03-16 22:13:29,460 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-16 22:13:29,810 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-16 22:13:29,810 INFO  L336             CfgBuilder]: Removed 11 assume(true) statements.
[2025-03-16 22:13:29,810 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:13:29 BoogieIcfgContainer
[2025-03-16 22:13:29,811 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-16 22:13:29,812 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-16 22:13:29,812 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-16 22:13:29,816 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-16 22:13:29,816 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:12:53" (1/3) ...
[2025-03-16 22:13:29,816 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a403eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:13:29, skipping insertion in model container
[2025-03-16 22:13:29,817 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:12:54" (2/3) ...
[2025-03-16 22:13:29,817 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a403eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:13:29, skipping insertion in model container
[2025-03-16 22:13:29,817 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:13:29" (3/3) ...
[2025-03-16 22:13:29,818 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.2.prop4-func-interl.c
[2025-03-16 22:13:29,829 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-16 22:13:29,831 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.needham.2.prop4-func-interl.c that has 1 procedures, 6637 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-16 22:13:29,959 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-16 22:13:29,970 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;@583e33f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-16 22:13:29,970 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-16 22:13:29,988 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6637 states, 6635 states have (on average 1.5038432554634513) internal successors, (9978), 6636 states have internal predecessors, (9978), 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 22:13:30,002 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 289
[2025-03-16 22:13:30,002 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:30,003 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]
[2025-03-16 22:13:30,003 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:30,007 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:30,007 INFO  L85        PathProgramCache]: Analyzing trace with hash 1346822302, now seen corresponding path program 1 times
[2025-03-16 22:13:30,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:30,013 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945336927]
[2025-03-16 22:13:30,014 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:30,014 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:30,145 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 288 statements into 1 equivalence classes.
[2025-03-16 22:13:30,324 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 288 of 288 statements.
[2025-03-16 22:13:30,324 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:13:30,324 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:13:30,903 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 22:13:30,905 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:13:30,905 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945336927]
[2025-03-16 22:13:30,906 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945336927] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:13:30,907 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:13:30,907 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 22:13:30,908 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55805796]
[2025-03-16 22:13:30,908 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:13:30,912 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 22:13:30,913 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:13:30,930 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 22:13:30,930 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 22:13:30,944 INFO  L87              Difference]: Start difference. First operand  has 6637 states, 6635 states have (on average 1.5038432554634513) internal successors, (9978), 6636 states have internal predecessors, (9978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 22:13:33,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:13:33,152 INFO  L93              Difference]: Finished difference Result 13068 states and 19650 transitions.
[2025-03-16 22:13:33,154 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 22:13:33,155 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 288
[2025-03-16 22:13:33,155 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:13:33,186 INFO  L225             Difference]: With dead ends: 13068
[2025-03-16 22:13:33,186 INFO  L226             Difference]: Without dead ends: 6636
[2025-03-16 22:13:33,199 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 22:13:33,201 INFO  L435           NwaCegarLoop]: 8324 mSDtfsCounter, 0 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 3306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16643 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-03-16 22:13:33,201 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16643 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3306 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-03-16 22:13:33,221 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6636 states.
[2025-03-16 22:13:33,347 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6636 to 6636.
[2025-03-16 22:13:33,359 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6636 states, 6635 states have (on average 1.5035418236623963) internal successors, (9976), 6635 states have internal predecessors, (9976), 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 22:13:33,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6636 states to 6636 states and 9976 transitions.
[2025-03-16 22:13:33,376 INFO  L78                 Accepts]: Start accepts. Automaton has 6636 states and 9976 transitions. Word has length 288
[2025-03-16 22:13:33,377 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:13:33,378 INFO  L471      AbstractCegarLoop]: Abstraction has 6636 states and 9976 transitions.
[2025-03-16 22:13:33,378 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 22:13:33,378 INFO  L276                IsEmpty]: Start isEmpty. Operand 6636 states and 9976 transitions.
[2025-03-16 22:13:33,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 289
[2025-03-16 22:13:33,381 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:33,381 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]
[2025-03-16 22:13:33,382 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-16 22:13:33,382 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:33,382 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:33,382 INFO  L85        PathProgramCache]: Analyzing trace with hash 1375035135, now seen corresponding path program 1 times
[2025-03-16 22:13:33,383 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:33,383 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239132359]
[2025-03-16 22:13:33,383 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:33,383 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:33,454 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 288 statements into 1 equivalence classes.
[2025-03-16 22:13:33,484 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 288 of 288 statements.
[2025-03-16 22:13:33,484 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:13:33,484 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:13:33,977 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 22:13:33,977 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:13:33,978 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239132359]
[2025-03-16 22:13:33,978 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239132359] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:13:33,978 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:13:33,978 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 22:13:33,978 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426506479]
[2025-03-16 22:13:33,978 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:13:33,979 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 22:13:33,979 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:13:33,980 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 22:13:33,980 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 22:13:33,980 INFO  L87              Difference]: Start difference. First operand 6636 states and 9976 transitions. Second operand  has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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 22:13:36,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:13:36,358 INFO  L93              Difference]: Finished difference Result 6640 states and 9980 transitions.
[2025-03-16 22:13:36,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 22:13:36,359 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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 288
[2025-03-16 22:13:36,359 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:13:36,378 INFO  L225             Difference]: With dead ends: 6640
[2025-03-16 22:13:36,379 INFO  L226             Difference]: Without dead ends: 6638
[2025-03-16 22:13:36,382 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 22:13:36,383 INFO  L435           NwaCegarLoop]: 8323 mSDtfsCounter, 0 mSDsluCounter, 16641 mSDsCounter, 0 mSdLazyCounter, 4960 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24964 SdHoareTripleChecker+Invalid, 4960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2025-03-16 22:13:36,383 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24964 Invalid, 4960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4960 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2025-03-16 22:13:36,391 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6638 states.
[2025-03-16 22:13:36,463 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6638 to 6638.
[2025-03-16 22:13:36,478 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6638 states, 6637 states have (on average 1.5033900858821756) internal successors, (9978), 6637 states have internal predecessors, (9978), 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 22:13:36,487 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6638 states to 6638 states and 9978 transitions.
[2025-03-16 22:13:36,488 INFO  L78                 Accepts]: Start accepts. Automaton has 6638 states and 9978 transitions. Word has length 288
[2025-03-16 22:13:36,488 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:13:36,488 INFO  L471      AbstractCegarLoop]: Abstraction has 6638 states and 9978 transitions.
[2025-03-16 22:13:36,489 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 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 22:13:36,489 INFO  L276                IsEmpty]: Start isEmpty. Operand 6638 states and 9978 transitions.
[2025-03-16 22:13:36,492 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 290
[2025-03-16 22:13:36,492 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:36,492 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]
[2025-03-16 22:13:36,492 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-16 22:13:36,492 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:36,493 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:36,493 INFO  L85        PathProgramCache]: Analyzing trace with hash -318894020, now seen corresponding path program 1 times
[2025-03-16 22:13:36,493 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:36,493 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358579640]
[2025-03-16 22:13:36,493 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:36,493 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:36,563 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes.
[2025-03-16 22:13:36,601 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements.
[2025-03-16 22:13:36,601 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:13:36,601 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:13:36,875 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 22:13:36,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:13:36,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358579640]
[2025-03-16 22:13:36,876 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358579640] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:13:36,876 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:13:36,876 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 22:13:36,876 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812767502]
[2025-03-16 22:13:36,876 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:13:36,876 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 22:13:36,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:13:36,877 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 22:13:36,877 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 22:13:36,877 INFO  L87              Difference]: Start difference. First operand 6638 states and 9978 transitions. Second operand  has 4 states, 4 states have (on average 72.25) internal successors, (289), 4 states have internal predecessors, (289), 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 22:13:38,827 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:13:38,827 INFO  L93              Difference]: Finished difference Result 13073 states and 19652 transitions.
[2025-03-16 22:13:38,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 22:13:38,828 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.25) internal successors, (289), 4 states have internal predecessors, (289), 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 289
[2025-03-16 22:13:38,829 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:13:38,844 INFO  L225             Difference]: With dead ends: 13073
[2025-03-16 22:13:38,844 INFO  L226             Difference]: Without dead ends: 6640
[2025-03-16 22:13:38,852 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 22:13:38,852 INFO  L435           NwaCegarLoop]: 8323 mSDtfsCounter, 0 mSDsluCounter, 16638 mSDsCounter, 0 mSdLazyCounter, 4963 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24961 SdHoareTripleChecker+Invalid, 4963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2025-03-16 22:13:38,852 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24961 Invalid, 4963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4963 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2025-03-16 22:13:38,859 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6640 states.
[2025-03-16 22:13:38,918 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 6640.
[2025-03-16 22:13:38,930 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6640 states, 6639 states have (on average 1.5032384395240248) internal successors, (9980), 6639 states have internal predecessors, (9980), 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 22:13:38,943 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6640 states to 6640 states and 9980 transitions.
[2025-03-16 22:13:38,943 INFO  L78                 Accepts]: Start accepts. Automaton has 6640 states and 9980 transitions. Word has length 289
[2025-03-16 22:13:38,944 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:13:38,944 INFO  L471      AbstractCegarLoop]: Abstraction has 6640 states and 9980 transitions.
[2025-03-16 22:13:38,944 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.25) internal successors, (289), 4 states have internal predecessors, (289), 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 22:13:38,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 6640 states and 9980 transitions.
[2025-03-16 22:13:38,947 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 291
[2025-03-16 22:13:38,947 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:38,947 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]
[2025-03-16 22:13:38,947 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-16 22:13:38,947 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:38,948 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:38,948 INFO  L85        PathProgramCache]: Analyzing trace with hash 635739802, now seen corresponding path program 1 times
[2025-03-16 22:13:38,948 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:38,948 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142224200]
[2025-03-16 22:13:38,948 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:38,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:39,012 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes.
[2025-03-16 22:13:39,037 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements.
[2025-03-16 22:13:39,037 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:13:39,037 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:13:39,290 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 22:13:39,290 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:13:39,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142224200]
[2025-03-16 22:13:39,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142224200] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:13:39,290 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:13:39,290 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-16 22:13:39,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178273771]
[2025-03-16 22:13:39,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:13:39,291 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-16 22:13:39,291 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:13:39,291 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-16 22:13:39,291 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 22:13:39,291 INFO  L87              Difference]: Start difference. First operand 6640 states and 9980 transitions. Second operand  has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 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 22:13:41,304 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:13:41,304 INFO  L93              Difference]: Finished difference Result 13077 states and 19656 transitions.
[2025-03-16 22:13:41,305 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-16 22:13:41,305 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 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 290
[2025-03-16 22:13:41,305 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:13:41,319 INFO  L225             Difference]: With dead ends: 13077
[2025-03-16 22:13:41,319 INFO  L226             Difference]: Without dead ends: 6642
[2025-03-16 22:13:41,326 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-16 22:13:41,326 INFO  L435           NwaCegarLoop]: 8323 mSDtfsCounter, 0 mSDsluCounter, 16633 mSDsCounter, 0 mSdLazyCounter, 4968 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24956 SdHoareTripleChecker+Invalid, 4968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2025-03-16 22:13:41,327 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24956 Invalid, 4968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4968 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2025-03-16 22:13:41,334 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6642 states.
[2025-03-16 22:13:41,392 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6642 to 6642.
[2025-03-16 22:13:41,399 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6642 states, 6641 states have (on average 1.5030868845053456) internal successors, (9982), 6641 states have internal predecessors, (9982), 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 22:13:41,407 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6642 states to 6642 states and 9982 transitions.
[2025-03-16 22:13:41,408 INFO  L78                 Accepts]: Start accepts. Automaton has 6642 states and 9982 transitions. Word has length 290
[2025-03-16 22:13:41,410 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:13:41,410 INFO  L471      AbstractCegarLoop]: Abstraction has 6642 states and 9982 transitions.
[2025-03-16 22:13:41,410 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 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 22:13:41,410 INFO  L276                IsEmpty]: Start isEmpty. Operand 6642 states and 9982 transitions.
[2025-03-16 22:13:41,412 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2025-03-16 22:13:41,413 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:41,414 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]
[2025-03-16 22:13:41,414 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-16 22:13:41,414 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:41,414 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:41,414 INFO  L85        PathProgramCache]: Analyzing trace with hash 121470497, now seen corresponding path program 1 times
[2025-03-16 22:13:41,414 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:41,414 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196196555]
[2025-03-16 22:13:41,415 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:41,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:41,470 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 291 statements into 1 equivalence classes.
[2025-03-16 22:13:41,501 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 291 of 291 statements.
[2025-03-16 22:13:41,501 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:13:41,501 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:13:41,769 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 22:13:41,770 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:13:41,770 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196196555]
[2025-03-16 22:13:41,770 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196196555] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:13:41,770 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:13:41,770 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-16 22:13:41,770 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382227642]
[2025-03-16 22:13:41,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:13:41,771 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-16 22:13:41,771 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:13:41,771 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-16 22:13:41,771 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2025-03-16 22:13:41,772 INFO  L87              Difference]: Start difference. First operand 6642 states and 9982 transitions. Second operand  has 6 states, 6 states have (on average 48.5) internal successors, (291), 6 states have internal predecessors, (291), 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 22:13:44,008 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:13:44,009 INFO  L93              Difference]: Finished difference Result 13087 states and 19668 transitions.
[2025-03-16 22:13:44,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-16 22:13:44,009 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 48.5) internal successors, (291), 6 states have internal predecessors, (291), 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 291
[2025-03-16 22:13:44,009 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:13:44,020 INFO  L225             Difference]: With dead ends: 13087
[2025-03-16 22:13:44,020 INFO  L226             Difference]: Without dead ends: 6650
[2025-03-16 22:13:44,027 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2025-03-16 22:13:44,027 INFO  L435           NwaCegarLoop]: 8322 mSDtfsCounter, 3 mSDsluCounter, 24956 mSDsCounter, 0 mSdLazyCounter, 6622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 33278 SdHoareTripleChecker+Invalid, 6623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2025-03-16 22:13:44,027 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 33278 Invalid, 6623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6622 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2025-03-16 22:13:44,034 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6650 states.
[2025-03-16 22:13:44,093 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6650 to 6646.
[2025-03-16 22:13:44,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6646 states, 6645 states have (on average 1.5030850263355906) internal successors, (9988), 6645 states have internal predecessors, (9988), 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 22:13:44,105 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6646 states to 6646 states and 9988 transitions.
[2025-03-16 22:13:44,105 INFO  L78                 Accepts]: Start accepts. Automaton has 6646 states and 9988 transitions. Word has length 291
[2025-03-16 22:13:44,106 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:13:44,106 INFO  L471      AbstractCegarLoop]: Abstraction has 6646 states and 9988 transitions.
[2025-03-16 22:13:44,106 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 48.5) internal successors, (291), 6 states have internal predecessors, (291), 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 22:13:44,106 INFO  L276                IsEmpty]: Start isEmpty. Operand 6646 states and 9988 transitions.
[2025-03-16 22:13:44,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2025-03-16 22:13:44,108 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:44,108 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]
[2025-03-16 22:13:44,108 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-16 22:13:44,108 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:44,109 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:44,109 INFO  L85        PathProgramCache]: Analyzing trace with hash 170426165, now seen corresponding path program 1 times
[2025-03-16 22:13:44,109 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:44,109 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289265434]
[2025-03-16 22:13:44,109 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:44,109 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:44,162 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes.
[2025-03-16 22:13:44,186 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements.
[2025-03-16 22:13:44,187 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:13:44,187 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:13:44,476 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 22:13:44,477 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:13:44,477 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289265434]
[2025-03-16 22:13:44,477 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289265434] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:13:44,477 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:13:44,479 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-16 22:13:44,479 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254222701]
[2025-03-16 22:13:44,479 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:13:44,479 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-16 22:13:44,479 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:13:44,480 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-16 22:13:44,480 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2025-03-16 22:13:44,480 INFO  L87              Difference]: Start difference. First operand 6646 states and 9988 transitions. Second operand  has 6 states, 6 states have (on average 48.666666666666664) internal successors, (292), 5 states have internal predecessors, (292), 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 22:13:47,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:13:47,995 INFO  L93              Difference]: Finished difference Result 18890 states and 28395 transitions.
[2025-03-16 22:13:47,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-16 22:13:47,995 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 48.666666666666664) internal successors, (292), 5 states have internal predecessors, (292), 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 292
[2025-03-16 22:13:47,996 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:13:48,015 INFO  L225             Difference]: With dead ends: 18890
[2025-03-16 22:13:48,015 INFO  L226             Difference]: Without dead ends: 12449
[2025-03-16 22:13:48,024 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2025-03-16 22:13:48,025 INFO  L435           NwaCegarLoop]: 8319 mSDtfsCounter, 8753 mSDsluCounter, 33010 mSDsCounter, 0 mSdLazyCounter, 8239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8753 SdHoareTripleChecker+Valid, 41329 SdHoareTripleChecker+Invalid, 8240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2025-03-16 22:13:48,025 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8753 Valid, 41329 Invalid, 8240 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8239 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2025-03-16 22:13:48,040 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12449 states.
[2025-03-16 22:13:48,131 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12449 to 7004.
[2025-03-16 22:13:48,138 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7004 states, 7003 states have (on average 1.5027845209196058) internal successors, (10524), 7003 states have internal predecessors, (10524), 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 22:13:48,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7004 states to 7004 states and 10524 transitions.
[2025-03-16 22:13:48,145 INFO  L78                 Accepts]: Start accepts. Automaton has 7004 states and 10524 transitions. Word has length 292
[2025-03-16 22:13:48,145 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:13:48,145 INFO  L471      AbstractCegarLoop]: Abstraction has 7004 states and 10524 transitions.
[2025-03-16 22:13:48,145 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 48.666666666666664) internal successors, (292), 5 states have internal predecessors, (292), 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 22:13:48,145 INFO  L276                IsEmpty]: Start isEmpty. Operand 7004 states and 10524 transitions.
[2025-03-16 22:13:48,290 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3410
[2025-03-16 22:13:48,290 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:48,291 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2025-03-16 22:13:48,292 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-16 22:13:48,293 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:48,295 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:48,296 INFO  L85        PathProgramCache]: Analyzing trace with hash -1123263112, now seen corresponding path program 1 times
[2025-03-16 22:13:48,296 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:48,296 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975752351]
[2025-03-16 22:13:48,297 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:48,297 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:48,591 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3409 statements into 1 equivalence classes.
[2025-03-16 22:13:51,985 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3409 of 3409 statements.
[2025-03-16 22:13:51,985 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:13:51,985 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:13:56,221 INFO  L134       CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 22:13:56,222 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:13:56,222 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975752351]
[2025-03-16 22:13:56,222 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975752351] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:13:56,222 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:13:56,222 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 22:13:56,222 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033862527]
[2025-03-16 22:13:56,222 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:13:56,230 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 22:13:56,230 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:13:56,232 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 22:13:56,232 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 22:13:56,232 INFO  L87              Difference]: Start difference. First operand 7004 states and 10524 transitions. Second operand  has 3 states, 3 states have (on average 1136.3333333333333) internal successors, (3409), 3 states have internal predecessors, (3409), 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 22:13:57,772 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:13:57,773 INFO  L93              Difference]: Finished difference Result 13446 states and 20207 transitions.
[2025-03-16 22:13:57,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 22:13:57,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1136.3333333333333) internal successors, (3409), 3 states have internal predecessors, (3409), 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 3409
[2025-03-16 22:13:57,774 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:13:57,783 INFO  L225             Difference]: With dead ends: 13446
[2025-03-16 22:13:57,783 INFO  L226             Difference]: Without dead ends: 7005
[2025-03-16 22:13:57,789 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 22:13:57,790 INFO  L435           NwaCegarLoop]: 8324 mSDtfsCounter, 0 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 3306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16643 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-03-16 22:13:57,790 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16643 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3306 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-03-16 22:13:57,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7005 states.
[2025-03-16 22:13:57,917 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7005 to 7005.
[2025-03-16 22:13:57,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7005 states, 7004 states have (on average 1.5027127355796688) internal successors, (10525), 7004 states have internal predecessors, (10525), 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 22:13:57,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 10525 transitions.
[2025-03-16 22:13:57,936 INFO  L78                 Accepts]: Start accepts. Automaton has 7005 states and 10525 transitions. Word has length 3409
[2025-03-16 22:13:57,937 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:13:57,937 INFO  L471      AbstractCegarLoop]: Abstraction has 7005 states and 10525 transitions.
[2025-03-16 22:13:57,938 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1136.3333333333333) internal successors, (3409), 3 states have internal predecessors, (3409), 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 22:13:57,938 INFO  L276                IsEmpty]: Start isEmpty. Operand 7005 states and 10525 transitions.
[2025-03-16 22:13:57,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3410
[2025-03-16 22:13:57,988 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:13:57,990 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2025-03-16 22:13:57,990 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-16 22:13:57,991 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:13:57,992 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:13:57,993 INFO  L85        PathProgramCache]: Analyzing trace with hash -463888841, now seen corresponding path program 1 times
[2025-03-16 22:13:57,993 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:13:57,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686509348]
[2025-03-16 22:13:57,995 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:13:57,995 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:13:58,303 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3409 statements into 1 equivalence classes.
[2025-03-16 22:14:00,521 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3409 of 3409 statements.
[2025-03-16 22:14:00,521 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:14:00,521 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:14:03,579 INFO  L134       CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 22:14:03,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:14:03,580 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686509348]
[2025-03-16 22:14:03,580 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686509348] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:14:03,580 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:14:03,580 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 22:14:03,580 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661420350]
[2025-03-16 22:14:03,580 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:14:03,582 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 22:14:03,582 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:14:03,584 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 22:14:03,584 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 22:14:03,584 INFO  L87              Difference]: Start difference. First operand 7005 states and 10525 transitions. Second operand  has 3 states, 3 states have (on average 1136.3333333333333) internal successors, (3409), 3 states have internal predecessors, (3409), 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 22:14:05,049 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-16 22:14:05,049 INFO  L93              Difference]: Finished difference Result 13448 states and 20209 transitions.
[2025-03-16 22:14:05,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-16 22:14:05,050 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1136.3333333333333) internal successors, (3409), 3 states have internal predecessors, (3409), 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 3409
[2025-03-16 22:14:05,051 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-16 22:14:05,059 INFO  L225             Difference]: With dead ends: 13448
[2025-03-16 22:14:05,059 INFO  L226             Difference]: Without dead ends: 7006
[2025-03-16 22:14:05,066 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 22:14:05,066 INFO  L435           NwaCegarLoop]: 8324 mSDtfsCounter, 0 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 3306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16643 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-03-16 22:14:05,067 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16643 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3306 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-03-16 22:14:05,074 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7006 states.
[2025-03-16 22:14:05,145 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7006 to 7006.
[2025-03-16 22:14:05,153 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7006 states, 7005 states have (on average 1.502640970735189) internal successors, (10526), 7005 states have internal predecessors, (10526), 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 22:14:05,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7006 states to 7006 states and 10526 transitions.
[2025-03-16 22:14:05,164 INFO  L78                 Accepts]: Start accepts. Automaton has 7006 states and 10526 transitions. Word has length 3409
[2025-03-16 22:14:05,165 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-16 22:14:05,165 INFO  L471      AbstractCegarLoop]: Abstraction has 7006 states and 10526 transitions.
[2025-03-16 22:14:05,166 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1136.3333333333333) internal successors, (3409), 3 states have internal predecessors, (3409), 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 22:14:05,166 INFO  L276                IsEmpty]: Start isEmpty. Operand 7006 states and 10526 transitions.
[2025-03-16 22:14:05,272 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3410
[2025-03-16 22:14:05,272 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-16 22:14:05,273 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2025-03-16 22:14:05,274 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-16 22:14:05,275 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-16 22:14:05,277 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-16 22:14:05,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 1811180534, now seen corresponding path program 1 times
[2025-03-16 22:14:05,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-16 22:14:05,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047675588]
[2025-03-16 22:14:05,279 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-16 22:14:05,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-16 22:14:05,528 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3409 statements into 1 equivalence classes.
[2025-03-16 22:14:07,207 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3409 of 3409 statements.
[2025-03-16 22:14:07,208 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-16 22:14:07,208 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-16 22:14:10,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-16 22:14:10,357 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-16 22:14:10,357 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047675588]
[2025-03-16 22:14:10,357 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047675588] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-16 22:14:10,357 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-16 22:14:10,357 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-16 22:14:10,357 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809456944]
[2025-03-16 22:14:10,357 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-16 22:14:10,360 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-16 22:14:10,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-16 22:14:10,362 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-16 22:14:10,362 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-16 22:14:10,363 INFO  L87              Difference]: Start difference. First operand 7006 states and 10526 transitions. Second operand  has 3 states, 3 states have (on average 1136.3333333333333) internal successors, (3409), 3 states have internal predecessors, (3409), 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)