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


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


Checking for ERROR reachability
Using default analysis
Version c7c6ca5d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.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 ef8bb8194696f3b95c83f24c1d92fe756485a0c18d37a77cf05fc67573b50cdb
--- Real Ultimate output ---
This is Ultimate 0.2.5-?-c7c6ca5-m
[2024-11-08 18:43:58,352 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:43:58,414 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 18:43:58,419 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:43:58,429 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:43:58,464 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:43:58,466 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:43:58,467 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:43:58,467 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:43:58,468 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:43:58,468 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:43:58,468 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:43:58,469 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:43:58,469 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:43:58,469 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:43:58,471 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:43:58,471 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:43:58,471 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:43:58,471 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:43:58,472 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:43:58,472 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:43:58,472 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:43:58,473 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:43:58,473 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:43:58,476 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:43:58,476 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:43:58,477 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:43:58,477 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:43:58,477 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:43:58,477 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:43:58,477 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:43:58,477 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:43:58,477 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:43:58,478 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:43:58,478 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:43:58,478 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:43:58,478 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:43:58,478 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:43:58,478 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:43:58,478 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef8bb8194696f3b95c83f24c1d92fe756485a0c18d37a77cf05fc67573b50cdb
[2024-11-08 18:43:58,675 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:43:58,699 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:43:58,703 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:43:58,704 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:43:58,705 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:43:58,705 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop1-func-interl.c
[2024-11-08 18:44:00,158 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:44:00,547 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:44:00,549 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop1-func-interl.c
[2024-11-08 18:44:00,572 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c93f093b/7e0e8b8400be4088bcd1208546ea2ea8/FLAG1695db9c6
[2024-11-08 18:44:00,584 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c93f093b/7e0e8b8400be4088bcd1208546ea2ea8
[2024-11-08 18:44:00,586 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:44:00,588 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:44:00,589 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:44:00,589 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:44:00,593 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:44:00,594 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:44:00" (1/1) ...
[2024-11-08 18:44:00,596 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efde3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:00, skipping insertion in model container
[2024-11-08 18:44:00,596 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:44:00" (1/1) ...
[2024-11-08 18:44:00,677 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:44:00,929 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop1-func-interl.c[1174,1187]
[2024-11-08 18:44:01,579 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:44:01,587 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:44:01,595 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.4.prop1-func-interl.c[1174,1187]
[2024-11-08 18:44:01,970 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:44:01,984 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:44:01,985 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01 WrapperNode
[2024-11-08 18:44:01,985 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:44:01,986 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:44:01,987 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:44:01,987 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:44:02,105 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:02,293 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:04,652 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27022
[2024-11-08 18:44:04,653 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:44:04,654 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:44:04,654 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:44:04,654 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:44:04,663 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:04,663 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:05,331 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:05,796 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 18:44:05,796 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:05,796 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:06,871 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:06,952 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:07,066 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:07,154 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:07,589 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:44:07,590 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:44:07,590 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:44:07,591 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:44:07,591 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (1/1) ...
[2024-11-08 18:44:07,596 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:44:07,603 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-08 18:44:07,619 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:44:07,621 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:44:07,650 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:44:07,651 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:44:07,651 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:44:07,651 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:44:08,494 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:44:08,496 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:45:18,764 INFO  L?                        ?]: Removed 14598 outVars from TransFormulas that were not future-live.
[2024-11-08 18:45:18,764 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:45:18,853 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:45:18,853 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 18:45:18,854 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:45:18 BoogieIcfgContainer
[2024-11-08 18:45:18,855 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:45:18,856 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:45:18,856 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:45:18,859 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:45:18,860 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:44:00" (1/3) ...
[2024-11-08 18:45:18,860 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1c96e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:45:18, skipping insertion in model container
[2024-11-08 18:45:18,860 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:44:01" (2/3) ...
[2024-11-08 18:45:18,861 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1c96e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:45:18, skipping insertion in model container
[2024-11-08 18:45:18,861 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:45:18" (3/3) ...
[2024-11-08 18:45:18,862 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.4.prop1-func-interl.c
[2024-11-08 18:45:18,874 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:45:18,874 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 18:45:18,997 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:45:19,002 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;@7d57ccde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:45:19,002 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 18:45:19,029 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 9846 states, 9844 states have (on average 1.5035554652580252) internal successors, (14801), 9845 states have internal predecessors, (14801), 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)
[2024-11-08 18:45:19,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 402
[2024-11-08 18:45:19,059 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:45:19,060 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:45:19,061 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:45:19,066 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:45:19,067 INFO  L85        PathProgramCache]: Analyzing trace with hash -1331777858, now seen corresponding path program 1 times
[2024-11-08 18:45:19,073 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:45:19,074 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674648244]
[2024-11-08 18:45:19,074 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:45:19,074 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:45:19,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:45:20,381 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:45:20,381 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:45:20,381 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674648244]
[2024-11-08 18:45:20,382 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674648244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:45:20,382 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:45:20,383 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:45:20,384 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958600607]
[2024-11-08 18:45:20,385 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:45:20,389 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:45:20,389 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:45:20,409 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:45:20,410 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:45:20,428 INFO  L87              Difference]: Start difference. First operand  has 9846 states, 9844 states have (on average 1.5035554652580252) internal successors, (14801), 9845 states have internal predecessors, (14801), 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 100.25) internal successors, (401), 4 states have internal predecessors, (401), 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)
[2024-11-08 18:45:20,708 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:45:20,708 INFO  L93              Difference]: Finished difference Result 19413 states and 29187 transitions.
[2024-11-08 18:45:20,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:45:20,715 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 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 401
[2024-11-08 18:45:20,716 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:45:20,761 INFO  L225             Difference]: With dead ends: 19413
[2024-11-08 18:45:20,762 INFO  L226             Difference]: Without dead ends: 9845
[2024-11-08 18:45:20,782 INFO  L431           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
[2024-11-08 18:45:20,785 INFO  L432           NwaCegarLoop]: 14795 mSDtfsCounter, 0 mSDsluCounter, 29584 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44379 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:45:20,786 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44379 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:45:20,812 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9845 states.
[2024-11-08 18:45:20,956 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9845 to 9845.
[2024-11-08 18:45:20,978 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9845 states, 9844 states have (on average 1.5033522958147094) internal successors, (14799), 9844 states have internal predecessors, (14799), 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)
[2024-11-08 18:45:21,015 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 14799 transitions.
[2024-11-08 18:45:21,017 INFO  L78                 Accepts]: Start accepts. Automaton has 9845 states and 14799 transitions. Word has length 401
[2024-11-08 18:45:21,021 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:45:21,023 INFO  L471      AbstractCegarLoop]: Abstraction has 9845 states and 14799 transitions.
[2024-11-08 18:45:21,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 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)
[2024-11-08 18:45:21,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 9845 states and 14799 transitions.
[2024-11-08 18:45:21,032 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 403
[2024-11-08 18:45:21,033 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:45:21,034 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:45:21,034 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:45:21,034 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:45:21,035 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:45:21,035 INFO  L85        PathProgramCache]: Analyzing trace with hash 1666257089, now seen corresponding path program 1 times
[2024-11-08 18:45:21,035 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:45:21,035 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344028269]
[2024-11-08 18:45:21,035 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:45:21,036 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:45:21,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:45:21,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:45:21,681 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:45:21,681 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344028269]
[2024-11-08 18:45:21,681 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344028269] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:45:21,681 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:45:21,681 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:45:21,682 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258172801]
[2024-11-08 18:45:21,682 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:45:21,683 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:45:21,684 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:45:21,685 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:45:21,686 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:45:21,686 INFO  L87              Difference]: Start difference. First operand 9845 states and 14799 transitions. Second operand  has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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)
[2024-11-08 18:45:21,938 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:45:21,939 INFO  L93              Difference]: Finished difference Result 19414 states and 29185 transitions.
[2024-11-08 18:45:21,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:45:21,939 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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 402
[2024-11-08 18:45:21,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:45:21,963 INFO  L225             Difference]: With dead ends: 19414
[2024-11-08 18:45:21,964 INFO  L226             Difference]: Without dead ends: 9847
[2024-11-08 18:45:21,976 INFO  L431           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
[2024-11-08 18:45:21,978 INFO  L432           NwaCegarLoop]: 14795 mSDtfsCounter, 0 mSDsluCounter, 29580 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44375 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:45:21,978 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44375 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:45:21,990 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9847 states.
[2024-11-08 18:45:22,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9847 to 9847.
[2024-11-08 18:45:22,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9847 states, 9846 states have (on average 1.5032500507820434) internal successors, (14801), 9846 states have internal predecessors, (14801), 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)
[2024-11-08 18:45:22,126 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9847 states to 9847 states and 14801 transitions.
[2024-11-08 18:45:22,126 INFO  L78                 Accepts]: Start accepts. Automaton has 9847 states and 14801 transitions. Word has length 402
[2024-11-08 18:45:22,127 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:45:22,127 INFO  L471      AbstractCegarLoop]: Abstraction has 9847 states and 14801 transitions.
[2024-11-08 18:45:22,127 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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)
[2024-11-08 18:45:22,127 INFO  L276                IsEmpty]: Start isEmpty. Operand 9847 states and 14801 transitions.
[2024-11-08 18:45:22,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 404
[2024-11-08 18:45:22,131 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:45:22,131 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:45:22,131 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:45:22,131 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:45:22,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:45:22,132 INFO  L85        PathProgramCache]: Analyzing trace with hash -983601161, now seen corresponding path program 1 times
[2024-11-08 18:45:22,132 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:45:22,132 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015057645]
[2024-11-08 18:45:22,132 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:45:22,132 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:45:22,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:45:22,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:45:22,577 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:45:22,577 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015057645]
[2024-11-08 18:45:22,577 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015057645] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:45:22,577 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:45:22,578 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:45:22,579 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805522959]
[2024-11-08 18:45:22,579 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:45:22,580 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:45:22,580 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:45:22,581 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:45:22,581 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:45:22,581 INFO  L87              Difference]: Start difference. First operand 9847 states and 14801 transitions. Second operand  has 5 states, 5 states have (on average 80.6) internal successors, (403), 5 states have internal predecessors, (403), 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)
[2024-11-08 18:45:22,815 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:45:22,815 INFO  L93              Difference]: Finished difference Result 19422 states and 29195 transitions.
[2024-11-08 18:45:22,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:45:22,816 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 80.6) internal successors, (403), 5 states have internal predecessors, (403), 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 403
[2024-11-08 18:45:22,817 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:45:22,837 INFO  L225             Difference]: With dead ends: 19422
[2024-11-08 18:45:22,837 INFO  L226             Difference]: Without dead ends: 9853
[2024-11-08 18:45:22,846 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:45:22,847 INFO  L432           NwaCegarLoop]: 14794 mSDtfsCounter, 4 mSDsluCounter, 44370 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 59164 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:45:22,847 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 59164 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:45:22,857 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9853 states.
[2024-11-08 18:45:22,941 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9853 to 9853.
[2024-11-08 18:45:22,952 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9853 states, 9852 states have (on average 1.503146569224523) internal successors, (14809), 9852 states have internal predecessors, (14809), 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)
[2024-11-08 18:45:22,963 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9853 states to 9853 states and 14809 transitions.
[2024-11-08 18:45:22,964 INFO  L78                 Accepts]: Start accepts. Automaton has 9853 states and 14809 transitions. Word has length 403
[2024-11-08 18:45:22,964 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:45:22,965 INFO  L471      AbstractCegarLoop]: Abstraction has 9853 states and 14809 transitions.
[2024-11-08 18:45:22,965 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 80.6) internal successors, (403), 5 states have internal predecessors, (403), 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)
[2024-11-08 18:45:22,965 INFO  L276                IsEmpty]: Start isEmpty. Operand 9853 states and 14809 transitions.
[2024-11-08 18:45:22,968 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 405
[2024-11-08 18:45:22,968 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:45:22,969 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:45:22,969 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:45:22,969 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:45:22,969 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:45:22,969 INFO  L85        PathProgramCache]: Analyzing trace with hash 627194575, now seen corresponding path program 1 times
[2024-11-08 18:45:22,969 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:45:22,970 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466560477]
[2024-11-08 18:45:22,970 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:45:22,970 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:45:23,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:45:23,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:45:23,451 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:45:23,451 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466560477]
[2024-11-08 18:45:23,451 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466560477] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:45:23,451 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:45:23,451 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:45:23,451 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560656935]
[2024-11-08 18:45:23,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:45:23,452 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:45:23,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:45:23,453 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:45:23,453 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:45:23,453 INFO  L87              Difference]: Start difference. First operand 9853 states and 14809 transitions. Second operand  has 5 states, 5 states have (on average 80.8) internal successors, (404), 5 states have internal predecessors, (404), 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)
[2024-11-08 18:45:24,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:45:24,066 INFO  L93              Difference]: Finished difference Result 27893 states and 41932 transitions.
[2024-11-08 18:45:24,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:45:24,067 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 80.8) internal successors, (404), 5 states have internal predecessors, (404), 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 404
[2024-11-08 18:45:24,068 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:45:24,096 INFO  L225             Difference]: With dead ends: 27893
[2024-11-08 18:45:24,096 INFO  L226             Difference]: Without dead ends: 18318
[2024-11-08 18:45:24,111 INFO  L431           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
[2024-11-08 18:45:24,112 INFO  L432           NwaCegarLoop]: 14791 mSDtfsCounter, 12754 mSDsluCounter, 43952 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12754 SdHoareTripleChecker+Valid, 58743 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:45:24,113 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [12754 Valid, 58743 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:45:24,131 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18318 states.
[2024-11-08 18:45:24,267 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18318 to 10355.
[2024-11-08 18:45:24,280 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10355 states, 10354 states have (on average 1.5028974309445624) internal successors, (15561), 10354 states have internal predecessors, (15561), 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)
[2024-11-08 18:45:24,292 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10355 states to 10355 states and 15561 transitions.
[2024-11-08 18:45:24,293 INFO  L78                 Accepts]: Start accepts. Automaton has 10355 states and 15561 transitions. Word has length 404
[2024-11-08 18:45:24,293 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:45:24,293 INFO  L471      AbstractCegarLoop]: Abstraction has 10355 states and 15561 transitions.
[2024-11-08 18:45:24,294 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 80.8) internal successors, (404), 5 states have internal predecessors, (404), 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)
[2024-11-08 18:45:24,294 INFO  L276                IsEmpty]: Start isEmpty. Operand 10355 states and 15561 transitions.
[2024-11-08 18:45:24,438 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5048
[2024-11-08 18:45:24,439 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:45:24,441 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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[2024-11-08 18:45:24,441 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:45:24,442 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:45:24,442 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:45:24,444 INFO  L85        PathProgramCache]: Analyzing trace with hash 1276711811, now seen corresponding path program 1 times
[2024-11-08 18:45:24,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:45:24,444 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40925952]
[2024-11-08 18:45:24,445 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:45:24,445 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms