./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 48c9605d
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 026ea7a1772fbf6a794d1d481cac382758a4df5a2634b6f0b87d92cbcd0174eb
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-48c9605-m
[2025-02-07 22:51:38,950 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-02-07 22:51:39,025 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-02-07 22:51:39,032 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-02-07 22:51:39,032 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-02-07 22:51:39,059 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-02-07 22:51:39,060 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-02-07 22:51:39,060 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-02-07 22:51:39,060 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-02-07 22:51:39,061 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-02-07 22:51:39,061 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-02-07 22:51:39,061 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-02-07 22:51:39,061 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-02-07 22:51:39,061 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-02-07 22:51:39,062 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-02-07 22:51:39,062 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-02-07 22:51:39,062 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-02-07 22:51:39,062 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-02-07 22:51:39,062 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-02-07 22:51:39,062 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-02-07 22:51:39,062 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-02-07 22:51:39,063 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-02-07 22:51:39,063 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-02-07 22:51:39,063 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-02-07 22:51:39,063 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-02-07 22:51:39,063 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-02-07 22:51:39,063 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-02-07 22:51:39,063 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-02-07 22:51:39,063 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-02-07 22:51:39,064 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 22:51:39,064 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-02-07 22:51:39,064 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-02-07 22:51:39,064 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-02-07 22:51:39,064 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-02-07 22:51:39,064 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-02-07 22:51:39,064 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-02-07 22:51:39,065 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-02-07 22:51:39,065 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-02-07 22:51:39,065 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-02-07 22:51:39,065 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-02-07 22:51:39,065 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-jdk21/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 -> 026ea7a1772fbf6a794d1d481cac382758a4df5a2634b6f0b87d92cbcd0174eb
[2025-02-07 22:51:39,348 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-02-07 22:51:39,360 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-02-07 22:51:39,363 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-02-07 22:51:39,364 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-02-07 22:51:39,364 INFO  L274        PluginConnector]: CDTParser initialized
[2025-02-07 22:51:39,366 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-func-interl.c
[2025-02-07 22:51:40,725 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1abe0bce8/dcf9e2a36d244de3b31d3d2c871b0c0c/FLAG7f85dc838
[2025-02-07 22:51:41,184 INFO  L384              CDTParser]: Found 1 translation units.
[2025-02-07 22:51:41,185 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-func-interl.c
[2025-02-07 22:51:41,209 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1abe0bce8/dcf9e2a36d244de3b31d3d2c871b0c0c/FLAG7f85dc838
[2025-02-07 22:51:41,229 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1abe0bce8/dcf9e2a36d244de3b31d3d2c871b0c0c
[2025-02-07 22:51:41,231 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-02-07 22:51:41,232 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-02-07 22:51:41,234 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-02-07 22:51:41,234 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-02-07 22:51:41,237 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-02-07 22:51:41,238 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:51:41" (1/1) ...
[2025-02-07 22:51:41,239 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653c6ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:41, skipping insertion in model container
[2025-02-07 22:51:41,239 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 10:51:41" (1/1) ...
[2025-02-07 22:51:41,319 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-02-07 22:51:41,559 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-func-interl.c[1176,1189]
[2025-02-07 22:51:42,162 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 22:51:42,172 INFO  L200         MainTranslator]: Completed pre-run
[2025-02-07 22:51:42,181 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cambridge.1.prop1-func-interl.c[1176,1189]
[2025-02-07 22:51:42,541 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-02-07 22:51:42,555 INFO  L204         MainTranslator]: Completed translation
[2025-02-07 22:51:42,557 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42 WrapperNode
[2025-02-07 22:51:42,557 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-02-07 22:51:42,558 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-02-07 22:51:42,559 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-02-07 22:51:42,559 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-02-07 22:51:42,565 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:42,689 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:44,017 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12877
[2025-02-07 22:51:44,018 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-02-07 22:51:44,020 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-02-07 22:51:44,020 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-02-07 22:51:44,020 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-02-07 22:51:44,031 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:44,033 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:44,343 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:44,557 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].
[2025-02-07 22:51:44,557 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:44,557 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:44,960 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:44,993 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:45,038 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:45,073 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:45,256 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-02-07 22:51:45,257 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-02-07 22:51:45,257 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-02-07 22:51:45,257 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-02-07 22:51:45,258 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (1/1) ...
[2025-02-07 22:51:45,262 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-02-07 22:51:45,273 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-02-07 22:51:45,285 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-02-07 22:51:45,290 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-02-07 22:51:45,311 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-02-07 22:51:45,311 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-02-07 22:51:45,312 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-02-07 22:51:45,312 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-02-07 22:51:46,000 INFO  L257             CfgBuilder]: Building ICFG
[2025-02-07 22:51:46,002 INFO  L287             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-02-07 22:52:04,229 INFO  L?                        ?]: Removed 7251 outVars from TransFormulas that were not future-live.
[2025-02-07 22:52:04,230 INFO  L308             CfgBuilder]: Performing block encoding
[2025-02-07 22:52:04,582 INFO  L332             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-02-07 22:52:04,583 INFO  L337             CfgBuilder]: Removed 4 assume(true) statements.
[2025-02-07 22:52:04,583 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:52:04 BoogieIcfgContainer
[2025-02-07 22:52:04,583 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-02-07 22:52:04,585 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-02-07 22:52:04,586 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-02-07 22:52:04,590 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-02-07 22:52:04,590 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 10:51:41" (1/3) ...
[2025-02-07 22:52:04,591 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258d45c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:52:04, skipping insertion in model container
[2025-02-07 22:52:04,592 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 10:51:42" (2/3) ...
[2025-02-07 22:52:04,592 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258d45c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 10:52:04, skipping insertion in model container
[2025-02-07 22:52:04,592 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 10:52:04" (3/3) ...
[2025-02-07 22:52:04,594 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cambridge.1.prop1-func-interl.c
[2025-02-07 22:52:04,610 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-02-07 22:52:04,612 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cambridge.1.prop1-func-interl.c that has 1 procedures, 4468 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-02-07 22:52:04,760 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-02-07 22:52:04,774 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;@70dd3254, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-02-07 22:52:04,774 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-02-07 22:52:04,792 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4468 states, 4466 states have (on average 1.5022391401701747) internal successors, (6709), 4467 states have internal predecessors, (6709), 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)
[2025-02-07 22:52:04,809 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2025-02-07 22:52:04,809 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:52:04,810 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]
[2025-02-07 22:52:04,810 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:52:04,817 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:52:04,818 INFO  L85        PathProgramCache]: Analyzing trace with hash -285914274, now seen corresponding path program 1 times
[2025-02-07 22:52:04,827 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:52:04,827 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630114198]
[2025-02-07 22:52:04,828 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:52:04,828 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:52:04,993 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes.
[2025-02-07 22:52:05,153 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements.
[2025-02-07 22:52:05,153 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:52:05,154 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:52:06,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:52:06,089 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:52:06,089 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630114198]
[2025-02-07 22:52:06,090 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630114198] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:52:06,090 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:52:06,091 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:52:06,092 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477149751]
[2025-02-07 22:52:06,094 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:52:06,098 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:52:06,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:52:06,126 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:52:06,127 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:52:06,139 INFO  L87              Difference]: Start difference. First operand  has 4468 states, 4466 states have (on average 1.5022391401701747) internal successors, (6709), 4467 states have internal predecessors, (6709), 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 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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)
[2025-02-07 22:52:09,394 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:52:09,395 INFO  L93              Difference]: Finished difference Result 8775 states and 13179 transitions.
[2025-02-07 22:52:09,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:52:09,399 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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 182
[2025-02-07 22:52:09,401 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:52:09,438 INFO  L225             Difference]: With dead ends: 8775
[2025-02-07 22:52:09,438 INFO  L226             Difference]: Without dead ends: 4468
[2025-02-07 22:52:09,447 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
[2025-02-07 22:52:09,450 INFO  L435           NwaCegarLoop]: 5592 mSDtfsCounter, 0 mSDsluCounter, 11179 mSDsCounter, 0 mSdLazyCounter, 3346 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16771 SdHoareTripleChecker+Invalid, 3346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:52:09,451 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16771 Invalid, 3346 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3346 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2025-02-07 22:52:09,474 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4468 states.
[2025-02-07 22:52:09,618 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4468 to 4468.
[2025-02-07 22:52:09,628 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4468 states, 4467 states have (on average 1.5016789791806582) internal successors, (6708), 4467 states have internal predecessors, (6708), 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)
[2025-02-07 22:52:09,646 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 4468 states and 6708 transitions.
[2025-02-07 22:52:09,647 INFO  L78                 Accepts]: Start accepts. Automaton has 4468 states and 6708 transitions. Word has length 182
[2025-02-07 22:52:09,649 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:52:09,650 INFO  L471      AbstractCegarLoop]: Abstraction has 4468 states and 6708 transitions.
[2025-02-07 22:52:09,652 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 45.5) internal successors, (182), 4 states have internal predecessors, (182), 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)
[2025-02-07 22:52:09,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 4468 states and 6708 transitions.
[2025-02-07 22:52:09,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2025-02-07 22:52:09,659 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:52:09,659 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]
[2025-02-07 22:52:09,660 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-02-07 22:52:09,660 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:52:09,661 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:52:09,661 INFO  L85        PathProgramCache]: Analyzing trace with hash -268721570, now seen corresponding path program 1 times
[2025-02-07 22:52:09,661 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:52:09,661 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763703523]
[2025-02-07 22:52:09,661 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:52:09,661 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:52:09,730 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 183 statements into 1 equivalence classes.
[2025-02-07 22:52:09,766 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 183 of 183 statements.
[2025-02-07 22:52:09,766 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:52:09,766 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:52:10,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:52:10,065 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:52:10,066 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763703523]
[2025-02-07 22:52:10,066 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763703523] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:52:10,066 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:52:10,066 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:52:10,066 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76693593]
[2025-02-07 22:52:10,066 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:52:10,067 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:52:10,068 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:52:10,069 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:52:10,069 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:52:10,069 INFO  L87              Difference]: Start difference. First operand 4468 states and 6708 transitions. Second operand  has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 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)
[2025-02-07 22:52:12,168 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:52:12,168 INFO  L93              Difference]: Finished difference Result 8777 states and 13178 transitions.
[2025-02-07 22:52:12,169 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:52:12,169 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 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 183
[2025-02-07 22:52:12,170 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:52:12,189 INFO  L225             Difference]: With dead ends: 8777
[2025-02-07 22:52:12,189 INFO  L226             Difference]: Without dead ends: 4470
[2025-02-07 22:52:12,196 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
[2025-02-07 22:52:12,197 INFO  L435           NwaCegarLoop]: 5592 mSDtfsCounter, 0 mSDsluCounter, 11176 mSDsCounter, 0 mSdLazyCounter, 3349 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16768 SdHoareTripleChecker+Invalid, 3349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2025-02-07 22:52:12,198 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16768 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3349 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2025-02-07 22:52:12,205 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4470 states.
[2025-02-07 22:52:12,275 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4470.
[2025-02-07 22:52:12,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4470 states, 4469 states have (on average 1.5014544640859253) internal successors, (6710), 4469 states have internal predecessors, (6710), 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)
[2025-02-07 22:52:12,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 6710 transitions.
[2025-02-07 22:52:12,295 INFO  L78                 Accepts]: Start accepts. Automaton has 4470 states and 6710 transitions. Word has length 183
[2025-02-07 22:52:12,296 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:52:12,297 INFO  L471      AbstractCegarLoop]: Abstraction has 4470 states and 6710 transitions.
[2025-02-07 22:52:12,297 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 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)
[2025-02-07 22:52:12,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 4470 states and 6710 transitions.
[2025-02-07 22:52:12,301 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2025-02-07 22:52:12,301 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:52:12,302 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]
[2025-02-07 22:52:12,302 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-02-07 22:52:12,302 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:52:12,303 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:52:12,303 INFO  L85        PathProgramCache]: Analyzing trace with hash -2103884967, now seen corresponding path program 1 times
[2025-02-07 22:52:12,303 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:52:12,303 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142280182]
[2025-02-07 22:52:12,303 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:52:12,303 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:52:12,379 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes.
[2025-02-07 22:52:12,413 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements.
[2025-02-07 22:52:12,414 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:52:12,414 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:52:12,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:52:12,763 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:52:12,763 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142280182]
[2025-02-07 22:52:12,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142280182] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:52:12,765 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:52:12,765 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-02-07 22:52:12,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937598865]
[2025-02-07 22:52:12,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:52:12,765 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-02-07 22:52:12,766 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:52:12,766 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-02-07 22:52:12,766 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:52:12,766 INFO  L87              Difference]: Start difference. First operand 4470 states and 6710 transitions. Second operand  has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 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)
[2025-02-07 22:52:15,896 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:52:15,897 INFO  L93              Difference]: Finished difference Result 12622 states and 18951 transitions.
[2025-02-07 22:52:15,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-02-07 22:52:15,897 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 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 184
[2025-02-07 22:52:15,898 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:52:15,929 INFO  L225             Difference]: With dead ends: 12622
[2025-02-07 22:52:15,929 INFO  L226             Difference]: Without dead ends: 8313
[2025-02-07 22:52:15,936 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2025-02-07 22:52:15,937 INFO  L435           NwaCegarLoop]: 5588 mSDtfsCounter, 5842 mSDsluCounter, 16558 mSDsCounter, 0 mSdLazyCounter, 4437 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5842 SdHoareTripleChecker+Valid, 22146 SdHoareTripleChecker+Invalid, 4437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2025-02-07 22:52:15,938 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [5842 Valid, 22146 Invalid, 4437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4437 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2025-02-07 22:52:15,949 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8313 states.
[2025-02-07 22:52:16,034 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8313 to 4660.
[2025-02-07 22:52:16,042 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4660 states, 4659 states have (on average 1.501180510839236) internal successors, (6994), 4659 states have internal predecessors, (6994), 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)
[2025-02-07 22:52:16,051 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 6994 transitions.
[2025-02-07 22:52:16,052 INFO  L78                 Accepts]: Start accepts. Automaton has 4660 states and 6994 transitions. Word has length 184
[2025-02-07 22:52:16,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:52:16,052 INFO  L471      AbstractCegarLoop]: Abstraction has 4660 states and 6994 transitions.
[2025-02-07 22:52:16,053 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 36.8) internal successors, (184), 4 states have internal predecessors, (184), 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)
[2025-02-07 22:52:16,053 INFO  L276                IsEmpty]: Start isEmpty. Operand 4660 states and 6994 transitions.
[2025-02-07 22:52:16,169 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2302
[2025-02-07 22:52:16,170 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:52:16,171 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:52:16,171 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-02-07 22:52:16,171 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:52:16,173 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:52:16,175 INFO  L85        PathProgramCache]: Analyzing trace with hash -1736556802, now seen corresponding path program 1 times
[2025-02-07 22:52:16,175 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:52:16,175 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883923653]
[2025-02-07 22:52:16,175 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:52:16,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:52:16,527 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2301 statements into 1 equivalence classes.
[2025-02-07 22:52:20,477 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2301 of 2301 statements.
[2025-02-07 22:52:20,478 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:52:20,478 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:52:25,662 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:52:25,663 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:52:25,663 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883923653]
[2025-02-07 22:52:25,663 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883923653] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:52:25,663 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:52:25,663 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-07 22:52:25,663 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212648757]
[2025-02-07 22:52:25,663 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:52:25,667 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-02-07 22:52:25,668 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:52:25,669 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-02-07 22:52:25,670 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-02-07 22:52:25,670 INFO  L87              Difference]: Start difference. First operand 4660 states and 6994 transitions. Second operand  has 4 states, 4 states have (on average 575.25) internal successors, (2301), 3 states have internal predecessors, (2301), 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)
[2025-02-07 22:52:27,105 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:52:27,105 INFO  L93              Difference]: Finished difference Result 8969 states and 13463 transitions.
[2025-02-07 22:52:27,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-02-07 22:52:27,107 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 575.25) internal successors, (2301), 3 states have internal predecessors, (2301), 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 2301
[2025-02-07 22:52:27,107 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:52:27,121 INFO  L225             Difference]: With dead ends: 8969
[2025-02-07 22:52:27,122 INFO  L226             Difference]: Without dead ends: 4660
[2025-02-07 22:52:27,134 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2025-02-07 22:52:27,136 INFO  L435           NwaCegarLoop]: 5587 mSDtfsCounter, 6527 mSDsluCounter, 5584 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6527 SdHoareTripleChecker+Valid, 11171 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-02-07 22:52:27,138 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6527 Valid, 11171 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-02-07 22:52:27,155 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4660 states.
[2025-02-07 22:52:27,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4660 to 4660.
[2025-02-07 22:52:27,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4660 states, 4659 states have (on average 1.5009658725048294) internal successors, (6993), 4659 states have internal predecessors, (6993), 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)
[2025-02-07 22:52:27,338 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 6993 transitions.
[2025-02-07 22:52:27,339 INFO  L78                 Accepts]: Start accepts. Automaton has 4660 states and 6993 transitions. Word has length 2301
[2025-02-07 22:52:27,340 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:52:27,340 INFO  L471      AbstractCegarLoop]: Abstraction has 4660 states and 6993 transitions.
[2025-02-07 22:52:27,342 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 575.25) internal successors, (2301), 3 states have internal predecessors, (2301), 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)
[2025-02-07 22:52:27,342 INFO  L276                IsEmpty]: Start isEmpty. Operand 4660 states and 6993 transitions.
[2025-02-07 22:52:27,486 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2303
[2025-02-07 22:52:27,487 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:52:27,488 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2025-02-07 22:52:27,489 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-02-07 22:52:27,489 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:52:27,490 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:52:27,491 INFO  L85        PathProgramCache]: Analyzing trace with hash -526501664, now seen corresponding path program 1 times
[2025-02-07 22:52:27,491 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:52:27,492 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064092665]
[2025-02-07 22:52:27,492 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:52:27,492 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:52:28,280 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2302 statements into 1 equivalence classes.
[2025-02-07 22:52:30,547 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2302 of 2302 statements.
[2025-02-07 22:52:30,547 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:52:30,547 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:52:33,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:52:33,751 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:52:33,751 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064092665]
[2025-02-07 22:52:33,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064092665] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:52:33,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:52:33,752 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-07 22:52:33,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404813411]
[2025-02-07 22:52:33,752 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:52:33,754 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-07 22:52:33,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:52:33,757 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-07 22:52:33,757 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-07 22:52:33,758 INFO  L87              Difference]: Start difference. First operand 4660 states and 6993 transitions. Second operand  has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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)
[2025-02-07 22:52:35,222 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:52:35,223 INFO  L93              Difference]: Finished difference Result 8970 states and 13463 transitions.
[2025-02-07 22:52:35,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-07 22:52:35,224 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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 2302
[2025-02-07 22:52:35,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:52:35,236 INFO  L225             Difference]: With dead ends: 8970
[2025-02-07 22:52:35,236 INFO  L226             Difference]: Without dead ends: 4661
[2025-02-07 22:52:35,240 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
[2025-02-07 22:52:35,241 INFO  L435           NwaCegarLoop]: 5592 mSDtfsCounter, 0 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11179 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2025-02-07 22:52:35,241 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11179 Invalid, 2230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2025-02-07 22:52:35,248 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4661 states.
[2025-02-07 22:52:35,301 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4661 to 4661.
[2025-02-07 22:52:35,308 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4661 states, 4660 states have (on average 1.5008583690987125) internal successors, (6994), 4660 states have internal predecessors, (6994), 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)
[2025-02-07 22:52:35,315 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 6994 transitions.
[2025-02-07 22:52:35,315 INFO  L78                 Accepts]: Start accepts. Automaton has 4661 states and 6994 transitions. Word has length 2302
[2025-02-07 22:52:35,316 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:52:35,316 INFO  L471      AbstractCegarLoop]: Abstraction has 4661 states and 6994 transitions.
[2025-02-07 22:52:35,317 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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)
[2025-02-07 22:52:35,317 INFO  L276                IsEmpty]: Start isEmpty. Operand 4661 states and 6994 transitions.
[2025-02-07 22:52:35,351 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2303
[2025-02-07 22:52:35,351 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:52:35,352 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-02-07 22:52:35,353 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-02-07 22:52:35,353 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:52:35,354 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:52:35,355 INFO  L85        PathProgramCache]: Analyzing trace with hash -1937628129, now seen corresponding path program 1 times
[2025-02-07 22:52:35,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:52:35,356 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705137549]
[2025-02-07 22:52:35,356 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:52:35,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:52:35,658 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2302 statements into 1 equivalence classes.
[2025-02-07 22:52:36,917 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2302 of 2302 statements.
[2025-02-07 22:52:36,918 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:52:36,918 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-02-07 22:52:39,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-02-07 22:52:39,916 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-02-07 22:52:39,918 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705137549]
[2025-02-07 22:52:39,920 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705137549] provided 1 perfect and 0 imperfect interpolant sequences
[2025-02-07 22:52:39,920 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-02-07 22:52:39,920 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-02-07 22:52:39,920 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091974744]
[2025-02-07 22:52:39,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-02-07 22:52:39,923 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-02-07 22:52:39,923 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-02-07 22:52:39,925 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-02-07 22:52:39,927 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-02-07 22:52:39,928 INFO  L87              Difference]: Start difference. First operand 4661 states and 6994 transitions. Second operand  has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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)
[2025-02-07 22:52:41,109 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-02-07 22:52:41,109 INFO  L93              Difference]: Finished difference Result 8972 states and 13465 transitions.
[2025-02-07 22:52:41,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-02-07 22:52:41,110 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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 2302
[2025-02-07 22:52:41,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-02-07 22:52:41,119 INFO  L225             Difference]: With dead ends: 8972
[2025-02-07 22:52:41,119 INFO  L226             Difference]: Without dead ends: 4662
[2025-02-07 22:52:41,123 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
[2025-02-07 22:52:41,123 INFO  L435           NwaCegarLoop]: 5592 mSDtfsCounter, 0 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11179 SdHoareTripleChecker+Invalid, 2230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2025-02-07 22:52:41,124 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11179 Invalid, 2230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2025-02-07 22:52:41,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4662 states.
[2025-02-07 22:52:41,176 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4662 to 4662.
[2025-02-07 22:52:41,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4662 states, 4661 states have (on average 1.5007509118214974) internal successors, (6995), 4661 states have internal predecessors, (6995), 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)
[2025-02-07 22:52:41,188 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4662 states to 4662 states and 6995 transitions.
[2025-02-07 22:52:41,189 INFO  L78                 Accepts]: Start accepts. Automaton has 4662 states and 6995 transitions. Word has length 2302
[2025-02-07 22:52:41,189 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-02-07 22:52:41,189 INFO  L471      AbstractCegarLoop]: Abstraction has 4662 states and 6995 transitions.
[2025-02-07 22:52:41,190 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 767.3333333333334) internal successors, (2302), 3 states have internal predecessors, (2302), 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)
[2025-02-07 22:52:41,190 INFO  L276                IsEmpty]: Start isEmpty. Operand 4662 states and 6995 transitions.
[2025-02-07 22:52:41,223 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2303
[2025-02-07 22:52:41,224 INFO  L210           NwaCegarLoop]: Found error trace
[2025-02-07 22:52:41,225 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2025-02-07 22:52:41,225 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-02-07 22:52:41,225 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-02-07 22:52:41,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-02-07 22:52:41,228 INFO  L85        PathProgramCache]: Analyzing trace with hash 1651881438, now seen corresponding path program 1 times
[2025-02-07 22:52:41,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-02-07 22:52:41,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614672192]
[2025-02-07 22:52:41,228 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-02-07 22:52:41,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-02-07 22:52:41,512 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2302 statements into 1 equivalence classes.
[2025-02-07 22:52:43,031 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2302 of 2302 statements.
[2025-02-07 22:52:43,032 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-02-07 22:52:43,032 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat