./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 798a7b37
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.elevator.4.prop1-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 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-798a7b3-m
[2025-03-03 17:24:24,144 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-03 17:24:24,206 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-03 17:24:24,213 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-03 17:24:24,213 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-03 17:24:24,233 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-03 17:24:24,234 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-03 17:24:24,234 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-03 17:24:24,235 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-03 17:24:24,235 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-03 17:24:24,235 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-03 17:24:24,236 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-03 17:24:24,236 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-03 17:24:24,236 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-03 17:24:24,236 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-03 17:24:24,236 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-03 17:24:24,236 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-03 17:24:24,236 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-03 17:24:24,237 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-03 17:24:24,237 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-03 17:24:24,238 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 17:24:24,238 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-03 17:24:24,238 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-03 17:24:24,238 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-03 17:24:24,238 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-03 17:24:24,238 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-03 17:24:24,238 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-03 17:24:24,238 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-03 17:24:24,239 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-03 17:24:24,239 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-03 17:24:24,239 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-03 17:24:24,239 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 -> 0912ab1201bdb71c08393fa993561718ce54d772626acabbc8081e133d417f51
[2025-03-03 17:24:24,453 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-03 17:24:24,459 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-03 17:24:24,462 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-03 17:24:24,463 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-03 17:24:24,463 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-03 17:24:24,465 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c
[2025-03-03 17:24:25,591 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6facae7bd/c21d9ae6601445b8a2da5a55b20879c2/FLAG3f69e1510
[2025-03-03 17:24:25,909 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-03 17:24:25,909 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.elevator.4.prop1-func-interl.c
[2025-03-03 17:24:25,929 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6facae7bd/c21d9ae6601445b8a2da5a55b20879c2/FLAG3f69e1510
[2025-03-03 17:24:25,943 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6facae7bd/c21d9ae6601445b8a2da5a55b20879c2
[2025-03-03 17:24:25,945 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-03 17:24:25,946 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-03 17:24:25,947 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-03 17:24:25,947 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-03 17:24:25,950 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-03 17:24:25,950 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:24:25" (1/1) ...
[2025-03-03 17:24:25,951 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb21166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:25, skipping insertion in model container
[2025-03-03 17:24:25,951 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:24:25" (1/1) ...
[2025-03-03 17:24:26,008 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-03 17:24:26,148 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.elevator.4.prop1-func-interl.c[1175,1188]
[2025-03-03 17:24:26,451 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 17:24:26,458 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-03 17:24:26,466 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.elevator.4.prop1-func-interl.c[1175,1188]
[2025-03-03 17:24:26,664 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-03 17:24:26,675 INFO  L204         MainTranslator]: Completed translation
[2025-03-03 17:24:26,676 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26 WrapperNode
[2025-03-03 17:24:26,676 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-03 17:24:26,676 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-03 17:24:26,676 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-03 17:24:26,677 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-03 17:24:26,681 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:26,735 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:27,499 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9977
[2025-03-03 17:24:27,500 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-03 17:24:27,501 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-03 17:24:27,501 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-03 17:24:27,501 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-03 17:24:27,507 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:27,507 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:27,673 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:27,896 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].
[2025-03-03 17:24:27,901 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:27,901 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:28,188 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:28,217 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:28,291 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:28,330 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:28,461 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-03 17:24:28,462 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-03 17:24:28,462 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-03 17:24:28,462 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-03 17:24:28,463 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (1/1) ...
[2025-03-03 17:24:28,468 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-03 17:24:28,480 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-03 17:24:28,491 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)
[2025-03-03 17:24:28,493 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
[2025-03-03 17:24:28,510 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-03 17:24:28,510 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-03 17:24:28,510 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-03 17:24:28,510 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-03 17:24:28,950 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-03 17:24:28,952 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-03 17:24:38,309 INFO  L?                        ?]: Removed 5577 outVars from TransFormulas that were not future-live.
[2025-03-03 17:24:38,310 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-03 17:24:38,528 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-03 17:24:38,530 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-03 17:24:38,531 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:24:38 BoogieIcfgContainer
[2025-03-03 17:24:38,531 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-03 17:24:38,532 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-03 17:24:38,533 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-03 17:24:38,536 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-03 17:24:38,536 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:24:25" (1/3) ...
[2025-03-03 17:24:38,537 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:24:38, skipping insertion in model container
[2025-03-03 17:24:38,537 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:24:26" (2/3) ...
[2025-03-03 17:24:38,538 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:24:38, skipping insertion in model container
[2025-03-03 17:24:38,538 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:24:38" (3/3) ...
[2025-03-03 17:24:38,539 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.elevator.4.prop1-func-interl.c
[2025-03-03 17:24:38,552 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-03 17:24:38,553 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.elevator.4.prop1-func-interl.c that has 1 procedures, 3476 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-03 17:24:38,647 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-03 17:24:38,657 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;@44dbc586, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-03 17:24:38,658 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-03 17:24:38,668 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3476 states, 3474 states have (on average 1.5) internal successors, (5211), 3475 states have internal predecessors, (5211), 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)
[2025-03-03 17:24:38,678 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2025-03-03 17:24:38,678 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:38,678 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]
[2025-03-03 17:24:38,679 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:38,682 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:38,683 INFO  L85        PathProgramCache]: Analyzing trace with hash 1013334855, now seen corresponding path program 1 times
[2025-03-03 17:24:38,687 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:38,688 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226503791]
[2025-03-03 17:24:38,689 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:38,690 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:38,789 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes.
[2025-03-03 17:24:38,915 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements.
[2025-03-03 17:24:38,915 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:24:38,915 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:24:39,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:24:39,654 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:24:39,654 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226503791]
[2025-03-03 17:24:39,654 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226503791] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:24:39,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:24:39,654 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:24:39,655 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238877752]
[2025-03-03 17:24:39,656 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:24:39,660 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:24:39,660 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:24:39,677 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:24:39,678 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:24:39,685 INFO  L87              Difference]: Start difference. First operand  has 3476 states, 3474 states have (on average 1.5) internal successors, (5211), 3475 states have internal predecessors, (5211), 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 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 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)
[2025-03-03 17:24:41,229 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:24:41,230 INFO  L93              Difference]: Finished difference Result 6753 states and 10127 transitions.
[2025-03-03 17:24:41,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:24:41,232 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 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 191
[2025-03-03 17:24:41,232 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:24:41,253 INFO  L225             Difference]: With dead ends: 6753
[2025-03-03 17:24:41,253 INFO  L226             Difference]: Without dead ends: 3475
[2025-03-03 17:24:41,265 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
[2025-03-03 17:24:41,267 INFO  L435           NwaCegarLoop]: 4339 mSDtfsCounter, 0 mSDsluCounter, 8673 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13012 SdHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:24:41,269 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13012 Invalid, 2608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-03-03 17:24:41,286 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3475 states.
[2025-03-03 17:24:41,383 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 3475.
[2025-03-03 17:24:41,389 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3475 states, 3474 states have (on average 1.4994242947610823) internal successors, (5209), 3474 states have internal predecessors, (5209), 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)
[2025-03-03 17:24:41,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 5209 transitions.
[2025-03-03 17:24:41,404 INFO  L78                 Accepts]: Start accepts. Automaton has 3475 states and 5209 transitions. Word has length 191
[2025-03-03 17:24:41,406 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:24:41,406 INFO  L471      AbstractCegarLoop]: Abstraction has 3475 states and 5209 transitions.
[2025-03-03 17:24:41,406 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 47.75) internal successors, (191), 4 states have internal predecessors, (191), 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)
[2025-03-03 17:24:41,407 INFO  L276                IsEmpty]: Start isEmpty. Operand 3475 states and 5209 transitions.
[2025-03-03 17:24:41,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2025-03-03 17:24:41,411 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:41,411 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]
[2025-03-03 17:24:41,411 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-03 17:24:41,411 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:41,412 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:41,412 INFO  L85        PathProgramCache]: Analyzing trace with hash 1353293993, now seen corresponding path program 1 times
[2025-03-03 17:24:41,412 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:41,412 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246978145]
[2025-03-03 17:24:41,412 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:41,412 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:41,455 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes.
[2025-03-03 17:24:41,482 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements.
[2025-03-03 17:24:41,482 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:24:41,482 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:24:41,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:24:41,730 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:24:41,730 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246978145]
[2025-03-03 17:24:41,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246978145] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:24:41,731 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:24:41,731 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:24:41,731 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104038486]
[2025-03-03 17:24:41,731 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:24:41,733 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:24:41,734 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:24:41,734 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:24:41,734 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:24:41,734 INFO  L87              Difference]: Start difference. First operand 3475 states and 5209 transitions. Second operand  has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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)
[2025-03-03 17:24:43,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:24:43,152 INFO  L93              Difference]: Finished difference Result 6754 states and 10125 transitions.
[2025-03-03 17:24:43,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:24:43,153 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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 192
[2025-03-03 17:24:43,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:24:43,163 INFO  L225             Difference]: With dead ends: 6754
[2025-03-03 17:24:43,163 INFO  L226             Difference]: Without dead ends: 3477
[2025-03-03 17:24:43,167 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
[2025-03-03 17:24:43,168 INFO  L435           NwaCegarLoop]: 4339 mSDtfsCounter, 0 mSDsluCounter, 8670 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13009 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:24:43,168 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13009 Invalid, 2611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-03 17:24:43,172 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3477 states.
[2025-03-03 17:24:43,211 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3477 to 3477.
[2025-03-03 17:24:43,216 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3477 states, 3476 states have (on average 1.4991369390103568) internal successors, (5211), 3476 states have internal predecessors, (5211), 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)
[2025-03-03 17:24:43,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 5211 transitions.
[2025-03-03 17:24:43,223 INFO  L78                 Accepts]: Start accepts. Automaton has 3477 states and 5211 transitions. Word has length 192
[2025-03-03 17:24:43,224 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:24:43,224 INFO  L471      AbstractCegarLoop]: Abstraction has 3477 states and 5211 transitions.
[2025-03-03 17:24:43,225 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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)
[2025-03-03 17:24:43,225 INFO  L276                IsEmpty]: Start isEmpty. Operand 3477 states and 5211 transitions.
[2025-03-03 17:24:43,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2025-03-03 17:24:43,227 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:43,227 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]
[2025-03-03 17:24:43,227 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-03 17:24:43,227 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:43,228 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:43,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 933955458, now seen corresponding path program 1 times
[2025-03-03 17:24:43,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:43,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226728791]
[2025-03-03 17:24:43,228 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:43,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:43,285 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes.
[2025-03-03 17:24:43,314 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements.
[2025-03-03 17:24:43,314 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:24:43,314 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:24:43,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:24:43,642 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:24:43,642 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226728791]
[2025-03-03 17:24:43,642 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226728791] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:24:43,642 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:24:43,642 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:24:43,642 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597027165]
[2025-03-03 17:24:43,642 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:24:43,643 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:24:43,643 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:24:43,643 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:24:43,644 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:24:43,644 INFO  L87              Difference]: Start difference. First operand 3477 states and 5211 transitions. Second operand  has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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)
[2025-03-03 17:24:45,126 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:24:45,127 INFO  L93              Difference]: Finished difference Result 6758 states and 10129 transitions.
[2025-03-03 17:24:45,129 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:24:45,130 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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 193
[2025-03-03 17:24:45,131 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:24:45,144 INFO  L225             Difference]: With dead ends: 6758
[2025-03-03 17:24:45,145 INFO  L226             Difference]: Without dead ends: 3479
[2025-03-03 17:24:45,150 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
[2025-03-03 17:24:45,151 INFO  L435           NwaCegarLoop]: 4339 mSDtfsCounter, 0 mSDsluCounter, 8665 mSDsCounter, 0 mSdLazyCounter, 2616 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13004 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:24:45,151 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13004 Invalid, 2616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2616 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-03-03 17:24:45,156 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3479 states.
[2025-03-03 17:24:45,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 3479.
[2025-03-03 17:24:45,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3479 states, 3478 states have (on average 1.4988499137435307) internal successors, (5213), 3478 states have internal predecessors, (5213), 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)
[2025-03-03 17:24:45,210 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3479 states to 3479 states and 5213 transitions.
[2025-03-03 17:24:45,211 INFO  L78                 Accepts]: Start accepts. Automaton has 3479 states and 5213 transitions. Word has length 193
[2025-03-03 17:24:45,211 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:24:45,211 INFO  L471      AbstractCegarLoop]: Abstraction has 3479 states and 5213 transitions.
[2025-03-03 17:24:45,211 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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)
[2025-03-03 17:24:45,211 INFO  L276                IsEmpty]: Start isEmpty. Operand 3479 states and 5213 transitions.
[2025-03-03 17:24:45,213 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2025-03-03 17:24:45,213 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:45,213 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]
[2025-03-03 17:24:45,213 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-03 17:24:45,213 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:45,214 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:45,214 INFO  L85        PathProgramCache]: Analyzing trace with hash 776216046, now seen corresponding path program 1 times
[2025-03-03 17:24:45,214 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:45,214 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461705503]
[2025-03-03 17:24:45,214 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:45,214 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:45,249 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes.
[2025-03-03 17:24:45,267 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements.
[2025-03-03 17:24:45,267 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:24:45,267 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:24:45,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:24:45,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:24:45,495 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461705503]
[2025-03-03 17:24:45,495 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461705503] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:24:45,495 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:24:45,495 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 17:24:45,495 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559602211]
[2025-03-03 17:24:45,495 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:24:45,496 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:24:45,496 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:24:45,497 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:24:45,497 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2025-03-03 17:24:45,497 INFO  L87              Difference]: Start difference. First operand 3479 states and 5213 transitions. Second operand  has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 6 states have internal predecessors, (194), 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)
[2025-03-03 17:24:47,004 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:24:47,004 INFO  L93              Difference]: Finished difference Result 6768 states and 10141 transitions.
[2025-03-03 17:24:47,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-03 17:24:47,004 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 6 states have internal predecessors, (194), 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 194
[2025-03-03 17:24:47,004 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:24:47,014 INFO  L225             Difference]: With dead ends: 6768
[2025-03-03 17:24:47,014 INFO  L226             Difference]: Without dead ends: 3487
[2025-03-03 17:24:47,019 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
[2025-03-03 17:24:47,019 INFO  L435           NwaCegarLoop]: 4338 mSDtfsCounter, 3 mSDsluCounter, 13004 mSDsCounter, 0 mSdLazyCounter, 3486 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 17342 SdHoareTripleChecker+Invalid, 3487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-03-03 17:24:47,019 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 17342 Invalid, 3487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3486 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-03-03 17:24:47,024 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3487 states.
[2025-03-03 17:24:47,104 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 3483.
[2025-03-03 17:24:47,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3483 states, 3482 states have (on average 1.4988512349224583) internal successors, (5219), 3482 states have internal predecessors, (5219), 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)
[2025-03-03 17:24:47,115 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 3483 states and 5219 transitions.
[2025-03-03 17:24:47,115 INFO  L78                 Accepts]: Start accepts. Automaton has 3483 states and 5219 transitions. Word has length 194
[2025-03-03 17:24:47,116 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:24:47,116 INFO  L471      AbstractCegarLoop]: Abstraction has 3483 states and 5219 transitions.
[2025-03-03 17:24:47,116 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 6 states have internal predecessors, (194), 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)
[2025-03-03 17:24:47,117 INFO  L276                IsEmpty]: Start isEmpty. Operand 3483 states and 5219 transitions.
[2025-03-03 17:24:47,118 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2025-03-03 17:24:47,118 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:47,118 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]
[2025-03-03 17:24:47,118 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-03-03 17:24:47,118 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:47,119 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:47,119 INFO  L85        PathProgramCache]: Analyzing trace with hash -1007303491, now seen corresponding path program 1 times
[2025-03-03 17:24:47,119 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:47,119 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875674402]
[2025-03-03 17:24:47,119 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:47,119 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:47,156 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes.
[2025-03-03 17:24:47,176 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements.
[2025-03-03 17:24:47,176 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:24:47,176 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:24:47,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:24:47,404 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:24:47,404 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875674402]
[2025-03-03 17:24:47,404 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875674402] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:24:47,404 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:24:47,404 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:24:47,405 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682139388]
[2025-03-03 17:24:47,405 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:24:47,405 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:24:47,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:24:47,405 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:24:47,405 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:24:47,406 INFO  L87              Difference]: Start difference. First operand 3483 states and 5219 transitions. Second operand  has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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)
[2025-03-03 17:24:49,016 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:24:49,016 INFO  L93              Difference]: Finished difference Result 9615 states and 14410 transitions.
[2025-03-03 17:24:49,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-03 17:24:49,017 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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 195
[2025-03-03 17:24:49,017 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:24:49,032 INFO  L225             Difference]: With dead ends: 9615
[2025-03-03 17:24:49,032 INFO  L226             Difference]: Without dead ends: 6330
[2025-03-03 17:24:49,037 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2025-03-03 17:24:49,037 INFO  L435           NwaCegarLoop]: 4334 mSDtfsCounter, 4382 mSDsluCounter, 12751 mSDsCounter, 0 mSdLazyCounter, 3448 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4382 SdHoareTripleChecker+Valid, 17085 SdHoareTripleChecker+Invalid, 3448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:24:49,038 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4382 Valid, 17085 Invalid, 3448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3448 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2025-03-03 17:24:49,045 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6330 states.
[2025-03-03 17:24:49,099 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6330 to 3645.
[2025-03-03 17:24:49,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3645 states, 3644 states have (on average 1.498627881448957) internal successors, (5461), 3644 states have internal predecessors, (5461), 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)
[2025-03-03 17:24:49,115 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3645 states and 5461 transitions.
[2025-03-03 17:24:49,115 INFO  L78                 Accepts]: Start accepts. Automaton has 3645 states and 5461 transitions. Word has length 195
[2025-03-03 17:24:49,115 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:24:49,115 INFO  L471      AbstractCegarLoop]: Abstraction has 3645 states and 5461 transitions.
[2025-03-03 17:24:49,116 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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)
[2025-03-03 17:24:49,116 INFO  L276                IsEmpty]: Start isEmpty. Operand 3645 states and 5461 transitions.
[2025-03-03 17:24:49,159 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1831
[2025-03-03 17:24:49,160 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:49,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:24:49,161 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-03-03 17:24:49,161 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:49,162 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:49,163 INFO  L85        PathProgramCache]: Analyzing trace with hash 1147592254, now seen corresponding path program 1 times
[2025-03-03 17:24:49,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:49,163 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807807374]
[2025-03-03 17:24:49,163 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:49,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:49,423 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1830 statements into 1 equivalence classes.
[2025-03-03 17:24:51,219 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1830 of 1830 statements.
[2025-03-03 17:24:51,219 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:24:51,219 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:24:54,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:24:54,216 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:24:54,216 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807807374]
[2025-03-03 17:24:54,216 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807807374] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:24:54,216 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:24:54,216 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 17:24:54,216 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125370210]
[2025-03-03 17:24:54,216 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:24:54,220 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 17:24:54,220 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:24:54,221 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 17:24:54,224 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 17:24:54,225 INFO  L87              Difference]: Start difference. First operand 3645 states and 5461 transitions. Second operand  has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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)
[2025-03-03 17:24:55,211 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:24:55,212 INFO  L93              Difference]: Finished difference Result 6931 states and 10386 transitions.
[2025-03-03 17:24:55,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 17:24:55,213 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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 1830
[2025-03-03 17:24:55,214 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:24:55,221 INFO  L225             Difference]: With dead ends: 6931
[2025-03-03 17:24:55,221 INFO  L226             Difference]: Without dead ends: 3646
[2025-03-03 17:24:55,224 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
[2025-03-03 17:24:55,225 INFO  L435           NwaCegarLoop]: 4340 mSDtfsCounter, 0 mSDsluCounter, 4335 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8675 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 17:24:55,225 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8675 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 17:24:55,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3646 states.
[2025-03-03 17:24:55,264 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3646.
[2025-03-03 17:24:55,268 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3646 states, 3645 states have (on average 1.4984910836762688) internal successors, (5462), 3645 states have internal predecessors, (5462), 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)
[2025-03-03 17:24:55,273 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 5462 transitions.
[2025-03-03 17:24:55,274 INFO  L78                 Accepts]: Start accepts. Automaton has 3646 states and 5462 transitions. Word has length 1830
[2025-03-03 17:24:55,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:24:55,275 INFO  L471      AbstractCegarLoop]: Abstraction has 3646 states and 5462 transitions.
[2025-03-03 17:24:55,276 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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)
[2025-03-03 17:24:55,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 3646 states and 5462 transitions.
[2025-03-03 17:24:55,314 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1831
[2025-03-03 17:24:55,314 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:55,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:24:55,316 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-03-03 17:24:55,316 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:55,317 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:55,317 INFO  L85        PathProgramCache]: Analyzing trace with hash -877804227, now seen corresponding path program 1 times
[2025-03-03 17:24:55,317 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:55,317 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576303493]
[2025-03-03 17:24:55,318 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:55,318 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:55,480 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1830 statements into 1 equivalence classes.
[2025-03-03 17:24:56,592 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1830 of 1830 statements.
[2025-03-03 17:24:56,593 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:24:56,593 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:24:58,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:24:58,301 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:24:58,301 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576303493]
[2025-03-03 17:24:58,301 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576303493] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:24:58,301 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:24:58,301 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-03-03 17:24:58,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107140123]
[2025-03-03 17:24:58,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:24:58,302 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-03-03 17:24:58,303 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:24:58,304 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-03-03 17:24:58,304 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-03-03 17:24:58,304 INFO  L87              Difference]: Start difference. First operand 3646 states and 5462 transitions. Second operand  has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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)
[2025-03-03 17:24:59,283 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:24:59,283 INFO  L93              Difference]: Finished difference Result 6933 states and 10388 transitions.
[2025-03-03 17:24:59,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-03-03 17:24:59,284 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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 1830
[2025-03-03 17:24:59,285 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:24:59,292 INFO  L225             Difference]: With dead ends: 6933
[2025-03-03 17:24:59,292 INFO  L226             Difference]: Without dead ends: 3647
[2025-03-03 17:24:59,295 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
[2025-03-03 17:24:59,295 INFO  L435           NwaCegarLoop]: 4340 mSDtfsCounter, 0 mSDsluCounter, 4335 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8675 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2025-03-03 17:24:59,295 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8675 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2025-03-03 17:24:59,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3647 states.
[2025-03-03 17:24:59,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3647 to 3647.
[2025-03-03 17:24:59,342 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3647 states, 3646 states have (on average 1.4983543609434997) internal successors, (5463), 3646 states have internal predecessors, (5463), 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)
[2025-03-03 17:24:59,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3647 states and 5463 transitions.
[2025-03-03 17:24:59,347 INFO  L78                 Accepts]: Start accepts. Automaton has 3647 states and 5463 transitions. Word has length 1830
[2025-03-03 17:24:59,348 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:24:59,348 INFO  L471      AbstractCegarLoop]: Abstraction has 3647 states and 5463 transitions.
[2025-03-03 17:24:59,348 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 610.0) internal successors, (1830), 3 states have internal predecessors, (1830), 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)
[2025-03-03 17:24:59,349 INFO  L276                IsEmpty]: Start isEmpty. Operand 3647 states and 5463 transitions.
[2025-03-03 17:24:59,382 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1831
[2025-03-03 17:24:59,382 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:24:59,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:24:59,384 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-03-03 17:24:59,384 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:24:59,385 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:24:59,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 803486430, now seen corresponding path program 1 times
[2025-03-03 17:24:59,385 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:24:59,385 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338368741]
[2025-03-03 17:24:59,386 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:24:59,386 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:24:59,581 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1830 statements into 1 equivalence classes.
[2025-03-03 17:25:00,102 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1830 of 1830 statements.
[2025-03-03 17:25:00,102 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:00,102 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:25:02,771 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:25:02,771 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:25:02,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338368741]
[2025-03-03 17:25:02,771 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338368741] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:25:02,771 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:25:02,772 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-03-03 17:25:02,772 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515535246]
[2025-03-03 17:25:02,772 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:25:02,773 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-03-03 17:25:02,773 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:25:02,774 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-03-03 17:25:02,774 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-03-03 17:25:02,775 INFO  L87              Difference]: Start difference. First operand 3647 states and 5463 transitions. Second operand  has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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)
[2025-03-03 17:25:05,458 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:25:05,459 INFO  L93              Difference]: Finished difference Result 14917 states and 22358 transitions.
[2025-03-03 17:25:05,459 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-03-03 17:25:05,459 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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 1830
[2025-03-03 17:25:05,461 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:25:05,479 INFO  L225             Difference]: With dead ends: 14917
[2025-03-03 17:25:05,479 INFO  L226             Difference]: Without dead ends: 11630
[2025-03-03 17:25:05,485 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2025-03-03 17:25:05,485 INFO  L435           NwaCegarLoop]: 7890 mSDtfsCounter, 10496 mSDsluCounter, 27990 mSDsCounter, 0 mSdLazyCounter, 7221 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10496 SdHoareTripleChecker+Valid, 35880 SdHoareTripleChecker+Invalid, 7221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:25:05,485 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10496 Valid, 35880 Invalid, 7221 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7221 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2025-03-03 17:25:05,529 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11630 states.
[2025-03-03 17:25:05,609 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11630 to 6424.
[2025-03-03 17:25:05,614 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6424 states, 6423 states have (on average 1.498988011832477) internal successors, (9628), 6423 states have internal predecessors, (9628), 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)
[2025-03-03 17:25:05,620 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6424 states to 6424 states and 9628 transitions.
[2025-03-03 17:25:05,620 INFO  L78                 Accepts]: Start accepts. Automaton has 6424 states and 9628 transitions. Word has length 1830
[2025-03-03 17:25:05,622 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:25:05,622 INFO  L471      AbstractCegarLoop]: Abstraction has 6424 states and 9628 transitions.
[2025-03-03 17:25:05,623 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 305.0) internal successors, (1830), 6 states have internal predecessors, (1830), 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)
[2025-03-03 17:25:05,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 6424 states and 9628 transitions.
[2025-03-03 17:25:05,643 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1832
[2025-03-03 17:25:05,644 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:25:05,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:25:05,646 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-03-03 17:25:05,646 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:25:05,648 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:25:05,649 INFO  L85        PathProgramCache]: Analyzing trace with hash 249835110, now seen corresponding path program 1 times
[2025-03-03 17:25:05,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:25:05,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845641542]
[2025-03-03 17:25:05,649 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:25:05,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:25:05,811 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1831 statements into 1 equivalence classes.
[2025-03-03 17:25:06,428 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1831 of 1831 statements.
[2025-03-03 17:25:06,428 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:06,428 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:25:08,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:25:08,877 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:25:08,877 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845641542]
[2025-03-03 17:25:08,877 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845641542] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:25:08,877 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:25:08,878 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:25:08,878 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405619775]
[2025-03-03 17:25:08,878 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:25:08,879 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:25:08,879 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:25:08,881 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:25:08,881 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:25:08,881 INFO  L87              Difference]: Start difference. First operand 6424 states and 9628 transitions. Second operand  has 5 states, 5 states have (on average 366.2) internal successors, (1831), 5 states have internal predecessors, (1831), 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)
[2025-03-03 17:25:10,178 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:25:10,178 INFO  L93              Difference]: Finished difference Result 12652 states and 18963 transitions.
[2025-03-03 17:25:10,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:25:10,179 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 366.2) internal successors, (1831), 5 states have internal predecessors, (1831), 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 1831
[2025-03-03 17:25:10,180 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:25:10,188 INFO  L225             Difference]: With dead ends: 12652
[2025-03-03 17:25:10,189 INFO  L226             Difference]: Without dead ends: 6426
[2025-03-03 17:25:10,193 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:25:10,194 INFO  L435           NwaCegarLoop]: 4339 mSDtfsCounter, 0 mSDsluCounter, 12994 mSDsCounter, 0 mSdLazyCounter, 3494 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17333 SdHoareTripleChecker+Invalid, 3495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-03-03 17:25:10,194 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17333 Invalid, 3495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3494 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-03-03 17:25:10,199 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6426 states.
[2025-03-03 17:25:10,252 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6426 to 6426.
[2025-03-03 17:25:10,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6426 states, 6425 states have (on average 1.4988326848249027) internal successors, (9630), 6425 states have internal predecessors, (9630), 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)
[2025-03-03 17:25:10,264 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6426 states to 6426 states and 9630 transitions.
[2025-03-03 17:25:10,264 INFO  L78                 Accepts]: Start accepts. Automaton has 6426 states and 9630 transitions. Word has length 1831
[2025-03-03 17:25:10,265 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:25:10,265 INFO  L471      AbstractCegarLoop]: Abstraction has 6426 states and 9630 transitions.
[2025-03-03 17:25:10,266 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 366.2) internal successors, (1831), 5 states have internal predecessors, (1831), 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)
[2025-03-03 17:25:10,266 INFO  L276                IsEmpty]: Start isEmpty. Operand 6426 states and 9630 transitions.
[2025-03-03 17:25:10,286 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1833
[2025-03-03 17:25:10,286 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:25:10,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:25:10,287 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-03-03 17:25:10,287 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:25:10,291 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:25:10,291 INFO  L85        PathProgramCache]: Analyzing trace with hash -1408022973, now seen corresponding path program 1 times
[2025-03-03 17:25:10,293 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:25:10,293 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157466007]
[2025-03-03 17:25:10,294 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:25:10,294 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:25:10,486 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1832 statements into 1 equivalence classes.
[2025-03-03 17:25:11,100 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1832 of 1832 statements.
[2025-03-03 17:25:11,100 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:11,100 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:25:13,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:25:13,620 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:25:13,620 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157466007]
[2025-03-03 17:25:13,620 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157466007] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:25:13,621 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:25:13,621 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-03-03 17:25:13,621 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301124379]
[2025-03-03 17:25:13,621 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:25:13,622 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-03-03 17:25:13,622 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:25:13,623 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-03-03 17:25:13,623 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-03-03 17:25:13,623 INFO  L87              Difference]: Start difference. First operand 6426 states and 9630 transitions. Second operand  has 7 states, 7 states have (on average 261.7142857142857) internal successors, (1832), 7 states have internal predecessors, (1832), 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)
[2025-03-03 17:25:16,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:25:16,382 INFO  L93              Difference]: Finished difference Result 28148 states and 42197 transitions.
[2025-03-03 17:25:16,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-03-03 17:25:16,383 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 261.7142857142857) internal successors, (1832), 7 states have internal predecessors, (1832), 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 1832
[2025-03-03 17:25:16,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:25:16,426 INFO  L225             Difference]: With dead ends: 28148
[2025-03-03 17:25:16,426 INFO  L226             Difference]: Without dead ends: 21920
[2025-03-03 17:25:16,440 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2025-03-03 17:25:16,441 INFO  L435           NwaCegarLoop]: 7945 mSDtfsCounter, 10428 mSDsluCounter, 28155 mSDsCounter, 0 mSdLazyCounter, 7266 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10428 SdHoareTripleChecker+Valid, 36100 SdHoareTripleChecker+Invalid, 7267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2025-03-03 17:25:16,441 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10428 Valid, 36100 Invalid, 7267 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 7266 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2025-03-03 17:25:16,457 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 21920 states.
[2025-03-03 17:25:16,568 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 21920 to 6426.
[2025-03-03 17:25:16,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6426 states, 6425 states have (on average 1.4988326848249027) internal successors, (9630), 6425 states have internal predecessors, (9630), 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)
[2025-03-03 17:25:16,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6426 states to 6426 states and 9630 transitions.
[2025-03-03 17:25:16,580 INFO  L78                 Accepts]: Start accepts. Automaton has 6426 states and 9630 transitions. Word has length 1832
[2025-03-03 17:25:16,582 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:25:16,582 INFO  L471      AbstractCegarLoop]: Abstraction has 6426 states and 9630 transitions.
[2025-03-03 17:25:16,582 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 261.7142857142857) internal successors, (1832), 7 states have internal predecessors, (1832), 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)
[2025-03-03 17:25:16,582 INFO  L276                IsEmpty]: Start isEmpty. Operand 6426 states and 9630 transitions.
[2025-03-03 17:25:16,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1834
[2025-03-03 17:25:16,602 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:25:16,603 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:25:16,603 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-03-03 17:25:16,603 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:25:16,604 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:25:16,604 INFO  L85        PathProgramCache]: Analyzing trace with hash 384666245, now seen corresponding path program 1 times
[2025-03-03 17:25:16,604 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:25:16,604 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801582216]
[2025-03-03 17:25:16,604 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:25:16,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:25:16,797 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1833 statements into 1 equivalence classes.
[2025-03-03 17:25:17,314 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1833 of 1833 statements.
[2025-03-03 17:25:17,314 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:17,314 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:25:19,296 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:25:19,296 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:25:19,296 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801582216]
[2025-03-03 17:25:19,296 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801582216] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:25:19,296 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:25:19,296 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:25:19,296 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141049445]
[2025-03-03 17:25:19,296 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:25:19,297 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:25:19,298 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:25:19,299 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:25:19,299 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:25:19,299 INFO  L87              Difference]: Start difference. First operand 6426 states and 9630 transitions. Second operand  has 5 states, 5 states have (on average 366.6) internal successors, (1833), 5 states have internal predecessors, (1833), 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)
[2025-03-03 17:25:20,530 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:25:20,531 INFO  L93              Difference]: Finished difference Result 12658 states and 18970 transitions.
[2025-03-03 17:25:20,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:25:20,532 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 366.6) internal successors, (1833), 5 states have internal predecessors, (1833), 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 1833
[2025-03-03 17:25:20,532 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:25:20,540 INFO  L225             Difference]: With dead ends: 12658
[2025-03-03 17:25:20,541 INFO  L226             Difference]: Without dead ends: 6430
[2025-03-03 17:25:20,547 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:25:20,548 INFO  L435           NwaCegarLoop]: 4339 mSDtfsCounter, 0 mSDsluCounter, 12994 mSDsCounter, 0 mSdLazyCounter, 3494 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17333 SdHoareTripleChecker+Invalid, 3495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2025-03-03 17:25:20,548 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17333 Invalid, 3495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3494 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2025-03-03 17:25:20,555 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6430 states.
[2025-03-03 17:25:20,614 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6430 to 6428.
[2025-03-03 17:25:20,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6428 states, 6427 states have (on average 1.498677454488875) internal successors, (9632), 6427 states have internal predecessors, (9632), 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)
[2025-03-03 17:25:20,628 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6428 states to 6428 states and 9632 transitions.
[2025-03-03 17:25:20,629 INFO  L78                 Accepts]: Start accepts. Automaton has 6428 states and 9632 transitions. Word has length 1833
[2025-03-03 17:25:20,629 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:25:20,629 INFO  L471      AbstractCegarLoop]: Abstraction has 6428 states and 9632 transitions.
[2025-03-03 17:25:20,630 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 366.6) internal successors, (1833), 5 states have internal predecessors, (1833), 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)
[2025-03-03 17:25:20,631 INFO  L276                IsEmpty]: Start isEmpty. Operand 6428 states and 9632 transitions.
[2025-03-03 17:25:20,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1835
[2025-03-03 17:25:20,651 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:25:20,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:25:20,652 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-03-03 17:25:20,653 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:25:20,653 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:25:20,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -1560645144, now seen corresponding path program 1 times
[2025-03-03 17:25:20,654 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:25:20,654 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746938246]
[2025-03-03 17:25:20,654 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:25:20,654 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:25:20,822 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1834 statements into 1 equivalence classes.
[2025-03-03 17:25:21,744 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1834 of 1834 statements.
[2025-03-03 17:25:21,745 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:21,745 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:25:25,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:25:25,336 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:25:25,336 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746938246]
[2025-03-03 17:25:25,336 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746938246] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:25:25,336 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:25:25,336 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-03 17:25:25,336 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025550985]
[2025-03-03 17:25:25,336 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:25:25,337 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-03 17:25:25,337 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:25:25,338 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-03 17:25:25,339 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:25:25,339 INFO  L87              Difference]: Start difference. First operand 6428 states and 9632 transitions. Second operand  has 5 states, 5 states have (on average 366.8) internal successors, (1834), 5 states have internal predecessors, (1834), 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)
[2025-03-03 17:25:26,717 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:25:26,717 INFO  L93              Difference]: Finished difference Result 12667 states and 18984 transitions.
[2025-03-03 17:25:26,718 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-03 17:25:26,718 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 366.8) internal successors, (1834), 5 states have internal predecessors, (1834), 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 1834
[2025-03-03 17:25:26,719 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:25:26,730 INFO  L225             Difference]: With dead ends: 12667
[2025-03-03 17:25:26,730 INFO  L226             Difference]: Without dead ends: 6437
[2025-03-03 17:25:26,737 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2025-03-03 17:25:26,738 INFO  L435           NwaCegarLoop]: 4303 mSDtfsCounter, 4933 mSDsluCounter, 8602 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4933 SdHoareTripleChecker+Valid, 12905 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:25:26,738 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4933 Valid, 12905 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2025-03-03 17:25:26,743 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6437 states.
[2025-03-03 17:25:26,821 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6437 to 6434.
[2025-03-03 17:25:26,827 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6434 states, 6433 states have (on average 1.498367791077258) internal successors, (9639), 6433 states have internal predecessors, (9639), 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)
[2025-03-03 17:25:26,836 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6434 states to 6434 states and 9639 transitions.
[2025-03-03 17:25:26,837 INFO  L78                 Accepts]: Start accepts. Automaton has 6434 states and 9639 transitions. Word has length 1834
[2025-03-03 17:25:26,837 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:25:26,837 INFO  L471      AbstractCegarLoop]: Abstraction has 6434 states and 9639 transitions.
[2025-03-03 17:25:26,838 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 366.8) internal successors, (1834), 5 states have internal predecessors, (1834), 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)
[2025-03-03 17:25:26,838 INFO  L276                IsEmpty]: Start isEmpty. Operand 6434 states and 9639 transitions.
[2025-03-03 17:25:26,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1836
[2025-03-03 17:25:26,876 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:25:26,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:25:26,877 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2025-03-03 17:25:26,877 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:25:26,878 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:25:26,878 INFO  L85        PathProgramCache]: Analyzing trace with hash 971677517, now seen corresponding path program 1 times
[2025-03-03 17:25:26,878 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:25:26,878 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149641332]
[2025-03-03 17:25:26,878 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:25:26,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:25:27,095 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1835 statements into 1 equivalence classes.
[2025-03-03 17:25:28,039 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1835 of 1835 statements.
[2025-03-03 17:25:28,039 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:28,039 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:25:29,350 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:25:29,351 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:25:29,351 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149641332]
[2025-03-03 17:25:29,351 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149641332] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:25:29,351 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:25:29,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-03 17:25:29,351 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37201751]
[2025-03-03 17:25:29,351 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:25:29,352 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-03 17:25:29,352 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:25:29,354 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-03 17:25:29,354 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-03 17:25:29,354 INFO  L87              Difference]: Start difference. First operand 6434 states and 9639 transitions. Second operand  has 4 states, 4 states have (on average 458.75) internal successors, (1835), 4 states have internal predecessors, (1835), 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)
[2025-03-03 17:25:30,404 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:25:30,404 INFO  L93              Difference]: Finished difference Result 12672 states and 18985 transitions.
[2025-03-03 17:25:30,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-03 17:25:30,405 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 458.75) internal successors, (1835), 4 states have internal predecessors, (1835), 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 1835
[2025-03-03 17:25:30,405 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:25:30,414 INFO  L225             Difference]: With dead ends: 12672
[2025-03-03 17:25:30,414 INFO  L226             Difference]: Without dead ends: 6434
[2025-03-03 17:25:30,418 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-03-03 17:25:30,418 INFO  L435           NwaCegarLoop]: 4330 mSDtfsCounter, 4912 mSDsluCounter, 4320 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4912 SdHoareTripleChecker+Valid, 8650 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2025-03-03 17:25:30,418 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4912 Valid, 8650 Invalid, 1756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2025-03-03 17:25:30,422 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6434 states.
[2025-03-03 17:25:30,477 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6434 to 6434.
[2025-03-03 17:25:30,483 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6434 states, 6433 states have (on average 1.4982123426084253) internal successors, (9638), 6433 states have internal predecessors, (9638), 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)
[2025-03-03 17:25:30,490 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6434 states to 6434 states and 9638 transitions.
[2025-03-03 17:25:30,490 INFO  L78                 Accepts]: Start accepts. Automaton has 6434 states and 9638 transitions. Word has length 1835
[2025-03-03 17:25:30,491 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:25:30,491 INFO  L471      AbstractCegarLoop]: Abstraction has 6434 states and 9638 transitions.
[2025-03-03 17:25:30,491 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 458.75) internal successors, (1835), 4 states have internal predecessors, (1835), 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)
[2025-03-03 17:25:30,491 INFO  L276                IsEmpty]: Start isEmpty. Operand 6434 states and 9638 transitions.
[2025-03-03 17:25:30,511 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1836
[2025-03-03 17:25:30,511 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:25:30,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:25:30,512 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2025-03-03 17:25:30,513 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:25:30,514 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:25:30,514 INFO  L85        PathProgramCache]: Analyzing trace with hash -300071326, now seen corresponding path program 1 times
[2025-03-03 17:25:30,514 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:25:30,514 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226863997]
[2025-03-03 17:25:30,514 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:25:30,514 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:25:30,677 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1835 statements into 1 equivalence classes.
[2025-03-03 17:25:31,252 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1835 of 1835 statements.
[2025-03-03 17:25:31,252 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:31,252 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-03 17:25:34,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-03 17:25:34,184 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-03 17:25:34,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226863997]
[2025-03-03 17:25:34,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226863997] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-03 17:25:34,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-03 17:25:34,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-03-03 17:25:34,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782887404]
[2025-03-03 17:25:34,184 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-03 17:25:34,186 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-03-03 17:25:34,186 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-03 17:25:34,187 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-03-03 17:25:34,187 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2025-03-03 17:25:34,187 INFO  L87              Difference]: Start difference. First operand 6434 states and 9638 transitions. Second operand  has 8 states, 8 states have (on average 229.375) internal successors, (1835), 8 states have internal predecessors, (1835), 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)
[2025-03-03 17:25:36,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-03 17:25:36,692 INFO  L93              Difference]: Finished difference Result 14835 states and 22223 transitions.
[2025-03-03 17:25:36,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-03-03 17:25:36,692 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 229.375) internal successors, (1835), 8 states have internal predecessors, (1835), 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 1835
[2025-03-03 17:25:36,693 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-03 17:25:36,701 INFO  L225             Difference]: With dead ends: 14835
[2025-03-03 17:25:36,702 INFO  L226             Difference]: Without dead ends: 8597
[2025-03-03 17:25:36,710 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2025-03-03 17:25:36,710 INFO  L435           NwaCegarLoop]: 5723 mSDtfsCounter, 6620 mSDsluCounter, 25737 mSDsCounter, 0 mSdLazyCounter, 6532 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6620 SdHoareTripleChecker+Valid, 31460 SdHoareTripleChecker+Invalid, 6533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2025-03-03 17:25:36,711 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6620 Valid, 31460 Invalid, 6533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6532 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2025-03-03 17:25:36,717 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8597 states.
[2025-03-03 17:25:36,767 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8597 to 6442.
[2025-03-03 17:25:36,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6442 states, 6441 states have (on average 1.4982145629560628) internal successors, (9650), 6441 states have internal predecessors, (9650), 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)
[2025-03-03 17:25:36,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6442 states to 6442 states and 9650 transitions.
[2025-03-03 17:25:36,778 INFO  L78                 Accepts]: Start accepts. Automaton has 6442 states and 9650 transitions. Word has length 1835
[2025-03-03 17:25:36,779 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-03 17:25:36,779 INFO  L471      AbstractCegarLoop]: Abstraction has 6442 states and 9650 transitions.
[2025-03-03 17:25:36,779 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 229.375) internal successors, (1835), 8 states have internal predecessors, (1835), 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)
[2025-03-03 17:25:36,780 INFO  L276                IsEmpty]: Start isEmpty. Operand 6442 states and 9650 transitions.
[2025-03-03 17:25:36,798 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1837
[2025-03-03 17:25:36,798 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-03 17:25:36,799 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-03 17:25:36,799 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2025-03-03 17:25:36,799 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-03 17:25:36,800 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-03 17:25:36,800 INFO  L85        PathProgramCache]: Analyzing trace with hash -60103859, now seen corresponding path program 1 times
[2025-03-03 17:25:36,800 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-03 17:25:36,800 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383542725]
[2025-03-03 17:25:36,800 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-03 17:25:36,801 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-03 17:25:36,972 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1836 statements into 1 equivalence classes.
[2025-03-03 17:25:37,646 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1836 of 1836 statements.
[2025-03-03 17:25:37,646 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-03 17:25:37,646 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat