./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 023d838f
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.gear.2.prop1-back-serstep.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 60e120d0af485003fb4d70af75fc781d243a70b5d388040f1c20d508820aa3b9
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m
[2024-11-10 02:09:41,979 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-10 02:09:42,054 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-10 02:09:42,060 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-10 02:09:42,060 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-10 02:09:42,101 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-10 02:09:42,102 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-10 02:09:42,103 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-10 02:09:42,103 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-10 02:09:42,104 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-10 02:09:42,104 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-10 02:09:42,105 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-10 02:09:42,105 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-10 02:09:42,106 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-10 02:09:42,106 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-10 02:09:42,106 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-10 02:09:42,107 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-10 02:09:42,107 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-10 02:09:42,108 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-10 02:09:42,108 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-10 02:09:42,108 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-10 02:09:42,112 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-10 02:09:42,113 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-10 02:09:42,113 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-10 02:09:42,113 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-10 02:09:42,113 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-10 02:09:42,114 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-10 02:09:42,114 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-10 02:09:42,114 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-10 02:09:42,115 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-10 02:09:42,116 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-10 02:09:42,116 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-10 02:09:42,116 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-10 02:09:42,116 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-10 02:09:42,117 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-10 02:09:42,117 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-10 02:09:42,117 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-10 02:09:42,117 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-10 02:09:42,117 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-10 02:09:42,117 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 -> 60e120d0af485003fb4d70af75fc781d243a70b5d388040f1c20d508820aa3b9
[2024-11-10 02:09:42,388 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-10 02:09:42,413 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-10 02:09:42,416 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-10 02:09:42,418 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-10 02:09:42,418 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-10 02:09:42,420 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c
[2024-11-10 02:09:43,927 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-10 02:09:44,274 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-10 02:09:44,275 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop1-back-serstep.c
[2024-11-10 02:09:44,301 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278eda9f5/034569e6d5d744cb8d06a21e17eef315/FLAGb4a80aff9
[2024-11-10 02:09:44,317 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278eda9f5/034569e6d5d744cb8d06a21e17eef315
[2024-11-10 02:09:44,322 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-10 02:09:44,323 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-10 02:09:44,324 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-10 02:09:44,325 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-10 02:09:44,332 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-10 02:09:44,333 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:09:44" (1/1) ...
[2024-11-10 02:09:44,334 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733a6c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:44, skipping insertion in model container
[2024-11-10 02:09:44,334 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:09:44" (1/1) ...
[2024-11-10 02:09:44,424 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-10 02:09:44,699 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.gear.2.prop1-back-serstep.c[1172,1185]
[2024-11-10 02:09:45,428 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-10 02:09:45,439 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-10 02:09:45,450 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.gear.2.prop1-back-serstep.c[1172,1185]
[2024-11-10 02:09:45,854 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-10 02:09:45,886 INFO  L204         MainTranslator]: Completed translation
[2024-11-10 02:09:45,892 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45 WrapperNode
[2024-11-10 02:09:45,893 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-10 02:09:45,894 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-10 02:09:45,894 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-10 02:09:45,894 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-10 02:09:45,924 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:46,076 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:47,784 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14619
[2024-11-10 02:09:47,785 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-10 02:09:47,785 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-10 02:09:47,786 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-10 02:09:47,786 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-10 02:09:47,796 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:47,796 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:48,289 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:48,538 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].
[2024-11-10 02:09:48,539 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:48,539 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:49,118 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:49,175 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:49,252 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:49,306 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:49,519 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-10 02:09:49,520 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-10 02:09:49,520 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-11-10 02:09:49,520 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-11-10 02:09:49,521 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (1/1) ...
[2024-11-10 02:09:49,526 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-10 02:09:49,537 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-10 02:09:49,555 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)
[2024-11-10 02:09:49,557 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
[2024-11-10 02:09:49,604 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-10 02:09:49,604 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-10 02:09:49,604 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-10 02:09:49,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-10 02:09:50,349 INFO  L256             CfgBuilder]: Building ICFG
[2024-11-10 02:09:50,352 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-10 02:10:20,920 INFO  L?                        ?]: Removed 7995 outVars from TransFormulas that were not future-live.
[2024-11-10 02:10:20,921 INFO  L307             CfgBuilder]: Performing block encoding
[2024-11-10 02:10:21,334 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-10 02:10:21,335 INFO  L336             CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-10 02:10:21,336 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:10:21 BoogieIcfgContainer
[2024-11-10 02:10:21,337 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-10 02:10:21,339 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-10 02:10:21,339 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-10 02:10:21,344 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-10 02:10:21,344 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:09:44" (1/3) ...
[2024-11-10 02:10:21,345 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d935abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:10:21, skipping insertion in model container
[2024-11-10 02:10:21,345 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:09:45" (2/3) ...
[2024-11-10 02:10:21,346 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d935abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:10:21, skipping insertion in model container
[2024-11-10 02:10:21,346 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:10:21" (3/3) ...
[2024-11-10 02:10:21,347 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.gear.2.prop1-back-serstep.c
[2024-11-10 02:10:21,365 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-10 02:10:21,365 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-10 02:10:21,531 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-10 02:10:21,539 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;@21fd4dce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-10 02:10:21,540 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-10 02:10:21,561 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5125 states, 5123 states have (on average 1.499902400936951) internal successors, (7684), 5124 states have internal predecessors, (7684), 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)
[2024-11-10 02:10:21,598 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 529
[2024-11-10 02:10:21,598 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:10:21,600 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:10:21,600 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:10:21,605 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:10:21,607 INFO  L85        PathProgramCache]: Analyzing trace with hash -2143317626, now seen corresponding path program 1 times
[2024-11-10 02:10:21,616 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:10:21,617 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851185303]
[2024-11-10 02:10:21,618 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:10:21,619 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:10:22,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:10:24,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:10:24,274 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:10:24,274 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851185303]
[2024-11-10 02:10:24,275 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851185303] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:10:24,275 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:10:24,276 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 02:10:24,277 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99545765]
[2024-11-10 02:10:24,278 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:10:24,283 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 02:10:24,284 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:10:24,314 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 02:10:24,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:10:24,329 INFO  L87              Difference]: Start difference. First operand  has 5125 states, 5123 states have (on average 1.499902400936951) internal successors, (7684), 5124 states have internal predecessors, (7684), 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 132.0) internal successors, (528), 4 states have internal predecessors, (528), 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)
[2024-11-10 02:10:27,104 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:10:27,105 INFO  L93              Difference]: Finished difference Result 10009 states and 15011 transitions.
[2024-11-10 02:10:27,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 02:10:27,108 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 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 528
[2024-11-10 02:10:27,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:10:27,154 INFO  L225             Difference]: With dead ends: 10009
[2024-11-10 02:10:27,155 INFO  L226             Difference]: Without dead ends: 5122
[2024-11-10 02:10:27,171 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
[2024-11-10 02:10:27,176 INFO  L432           NwaCegarLoop]: 6397 mSDtfsCounter, 0 mSDsluCounter, 12789 mSDsCounter, 0 mSdLazyCounter, 3847 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19186 SdHoareTripleChecker+Invalid, 3847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-10 02:10:27,178 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19186 Invalid, 3847 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3847 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-10 02:10:27,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5122 states.
[2024-11-10 02:10:27,347 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 5122.
[2024-11-10 02:10:27,360 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5122 states, 5121 states have (on average 1.4997070884592854) internal successors, (7680), 5121 states have internal predecessors, (7680), 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)
[2024-11-10 02:10:27,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7680 transitions.
[2024-11-10 02:10:27,379 INFO  L78                 Accepts]: Start accepts. Automaton has 5122 states and 7680 transitions. Word has length 528
[2024-11-10 02:10:27,382 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:10:27,383 INFO  L471      AbstractCegarLoop]: Abstraction has 5122 states and 7680 transitions.
[2024-11-10 02:10:27,383 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 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)
[2024-11-10 02:10:27,383 INFO  L276                IsEmpty]: Start isEmpty. Operand 5122 states and 7680 transitions.
[2024-11-10 02:10:27,396 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 530
[2024-11-10 02:10:27,396 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:10:27,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:10:27,397 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-10 02:10:27,397 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:10:27,398 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:10:27,399 INFO  L85        PathProgramCache]: Analyzing trace with hash -1873276467, now seen corresponding path program 1 times
[2024-11-10 02:10:27,399 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:10:27,400 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057573252]
[2024-11-10 02:10:27,400 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:10:27,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:10:27,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:10:28,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:10:28,484 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:10:28,484 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057573252]
[2024-11-10 02:10:28,484 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057573252] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:10:28,484 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:10:28,484 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 02:10:28,485 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213910753]
[2024-11-10 02:10:28,485 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:10:28,487 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 02:10:28,487 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:10:28,488 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 02:10:28,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:10:28,490 INFO  L87              Difference]: Start difference. First operand 5122 states and 7680 transitions. Second operand  has 4 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 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)
[2024-11-10 02:10:30,948 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:10:30,949 INFO  L93              Difference]: Finished difference Result 10008 states and 15007 transitions.
[2024-11-10 02:10:30,949 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 02:10:30,950 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 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 529
[2024-11-10 02:10:30,951 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:10:30,971 INFO  L225             Difference]: With dead ends: 10008
[2024-11-10 02:10:30,972 INFO  L226             Difference]: Without dead ends: 5124
[2024-11-10 02:10:30,983 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
[2024-11-10 02:10:30,984 INFO  L432           NwaCegarLoop]: 6397 mSDtfsCounter, 0 mSDsluCounter, 12786 mSDsCounter, 0 mSdLazyCounter, 3850 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19183 SdHoareTripleChecker+Invalid, 3850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-10 02:10:30,985 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19183 Invalid, 3850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3850 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-10 02:10:30,995 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5124 states.
[2024-11-10 02:10:31,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5124 to 5124.
[2024-11-10 02:10:31,075 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5124 states, 5123 states have (on average 1.499512004684755) internal successors, (7682), 5123 states have internal predecessors, (7682), 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)
[2024-11-10 02:10:31,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 7682 transitions.
[2024-11-10 02:10:31,085 INFO  L78                 Accepts]: Start accepts. Automaton has 5124 states and 7682 transitions. Word has length 529
[2024-11-10 02:10:31,088 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:10:31,088 INFO  L471      AbstractCegarLoop]: Abstraction has 5124 states and 7682 transitions.
[2024-11-10 02:10:31,088 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 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)
[2024-11-10 02:10:31,088 INFO  L276                IsEmpty]: Start isEmpty. Operand 5124 states and 7682 transitions.
[2024-11-10 02:10:31,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 531
[2024-11-10 02:10:31,098 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:10:31,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:10:31,099 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-10 02:10:31,100 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:10:31,101 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:10:31,101 INFO  L85        PathProgramCache]: Analyzing trace with hash 1805222347, now seen corresponding path program 1 times
[2024-11-10 02:10:31,102 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:10:31,102 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932327693]
[2024-11-10 02:10:31,103 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:10:31,103 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:10:31,356 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:10:32,171 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:10:32,173 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:10:32,173 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932327693]
[2024-11-10 02:10:32,173 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932327693] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:10:32,173 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:10:32,173 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 02:10:32,174 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904960010]
[2024-11-10 02:10:32,174 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:10:32,175 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 02:10:32,175 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:10:32,176 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 02:10:32,177 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:10:32,177 INFO  L87              Difference]: Start difference. First operand 5124 states and 7682 transitions. Second operand  has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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)
[2024-11-10 02:10:34,453 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:10:34,453 INFO  L93              Difference]: Finished difference Result 10012 states and 15011 transitions.
[2024-11-10 02:10:34,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 02:10:34,454 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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 530
[2024-11-10 02:10:34,455 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:10:34,474 INFO  L225             Difference]: With dead ends: 10012
[2024-11-10 02:10:34,474 INFO  L226             Difference]: Without dead ends: 5126
[2024-11-10 02:10:34,482 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
[2024-11-10 02:10:34,486 INFO  L432           NwaCegarLoop]: 6397 mSDtfsCounter, 0 mSDsluCounter, 12786 mSDsCounter, 0 mSdLazyCounter, 3850 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19183 SdHoareTripleChecker+Invalid, 3850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-10 02:10:34,487 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19183 Invalid, 3850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3850 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-10 02:10:34,496 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5126 states.
[2024-11-10 02:10:34,571 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5126 to 5126.
[2024-11-10 02:10:34,588 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5126 states, 5125 states have (on average 1.4993170731707317) internal successors, (7684), 5125 states have internal predecessors, (7684), 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)
[2024-11-10 02:10:34,602 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 7684 transitions.
[2024-11-10 02:10:34,603 INFO  L78                 Accepts]: Start accepts. Automaton has 5126 states and 7684 transitions. Word has length 530
[2024-11-10 02:10:34,604 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:10:34,604 INFO  L471      AbstractCegarLoop]: Abstraction has 5126 states and 7684 transitions.
[2024-11-10 02:10:34,605 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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)
[2024-11-10 02:10:34,605 INFO  L276                IsEmpty]: Start isEmpty. Operand 5126 states and 7684 transitions.
[2024-11-10 02:10:34,612 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 532
[2024-11-10 02:10:34,613 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:10:34,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:10:34,614 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-10 02:10:34,614 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:10:34,614 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:10:34,615 INFO  L85        PathProgramCache]: Analyzing trace with hash -1462979576, now seen corresponding path program 1 times
[2024-11-10 02:10:34,615 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:10:34,615 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116399821]
[2024-11-10 02:10:34,615 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:10:34,615 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:10:34,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:10:35,851 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:10:35,852 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:10:35,852 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116399821]
[2024-11-10 02:10:35,853 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116399821] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:10:35,853 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:10:35,853 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-10 02:10:35,853 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954308912]
[2024-11-10 02:10:35,853 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:10:35,854 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-10 02:10:35,854 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:10:35,856 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-10 02:10:35,856 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-10 02:10:35,856 INFO  L87              Difference]: Start difference. First operand 5126 states and 7684 transitions. Second operand  has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 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)
[2024-11-10 02:10:39,259 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:10:39,259 INFO  L93              Difference]: Finished difference Result 14887 states and 22320 transitions.
[2024-11-10 02:10:39,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-10 02:10:39,260 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 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 531
[2024-11-10 02:10:39,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:10:39,291 INFO  L225             Difference]: With dead ends: 14887
[2024-11-10 02:10:39,292 INFO  L226             Difference]: Without dead ends: 9999
[2024-11-10 02:10:39,301 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
[2024-11-10 02:10:39,302 INFO  L432           NwaCegarLoop]: 6395 mSDtfsCounter, 7139 mSDsluCounter, 18884 mSDsCounter, 0 mSdLazyCounter, 5078 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7139 SdHoareTripleChecker+Valid, 25279 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2024-11-10 02:10:39,305 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7139 Valid, 25279 Invalid, 5078 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 5078 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2024-11-10 02:10:39,319 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9999 states.
[2024-11-10 02:10:39,431 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9999 to 5926.
[2024-11-10 02:10:39,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5926 states, 5925 states have (on average 1.499409282700422) internal successors, (8884), 5925 states have internal predecessors, (8884), 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)
[2024-11-10 02:10:39,448 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 8884 transitions.
[2024-11-10 02:10:39,449 INFO  L78                 Accepts]: Start accepts. Automaton has 5926 states and 8884 transitions. Word has length 531
[2024-11-10 02:10:39,450 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:10:39,450 INFO  L471      AbstractCegarLoop]: Abstraction has 5926 states and 8884 transitions.
[2024-11-10 02:10:39,450 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 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)
[2024-11-10 02:10:39,451 INFO  L276                IsEmpty]: Start isEmpty. Operand 5926 states and 8884 transitions.
[2024-11-10 02:10:39,504 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2959
[2024-11-10 02:10:39,504 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:10:39,506 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-10 02:10:39,506 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-10 02:10:39,506 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:10:39,507 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:10:39,508 INFO  L85        PathProgramCache]: Analyzing trace with hash -1108894398, now seen corresponding path program 1 times
[2024-11-10 02:10:39,508 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:10:39,509 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978190587]
[2024-11-10 02:10:39,509 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:10:39,510 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:10:45,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:10:51,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 406 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:10:51,154 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:10:51,155 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978190587]
[2024-11-10 02:10:51,156 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978190587] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:10:51,156 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:10:51,156 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-10 02:10:51,157 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298462544]
[2024-11-10 02:10:51,157 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:10:51,160 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-10 02:10:51,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:10:51,164 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-10 02:10:51,164 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-10 02:10:51,165 INFO  L87              Difference]: Start difference. First operand 5926 states and 8884 transitions. Second operand  has 3 states, 3 states have (on average 986.0) internal successors, (2958), 3 states have internal predecessors, (2958), 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)