./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/Dubois-070.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/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/xcsp/Dubois-070.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash b124f4fa2472e5467898e0020b8382b91d5239bb08b12140b4820bcea6da62e0
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 03:09:04,114 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 03:09:04,199 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-22 03:09:04,205 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 03:09:04,206 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 03:09:04,229 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 03:09:04,230 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 03:09:04,231 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 03:09:04,231 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 03:09:04,232 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 03:09:04,232 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 03:09:04,232 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 03:09:04,233 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 03:09:04,238 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 03:09:04,239 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 03:09:04,239 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 03:09:04,239 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 03:09:04,239 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-22 03:09:04,240 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 03:09:04,240 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-22 03:09:04,240 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 03:09:04,241 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 03:09:04,243 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 03:09:04,243 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 03:09:04,244 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 03:09:04,244 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-22 03:09:04,244 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 03:09:04,244 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 03:09:04,245 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 03:09:04,245 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 03:09:04,245 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 03:09:04,245 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 03:09:04,246 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 03:09:04,246 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 03:09:04,246 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 03:09:04,247 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 03:09:04,248 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 03:09:04,248 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 03:09:04,248 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 03:09:04,249 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 03:09:04,249 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 03:09:04,250 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 03:09:04,250 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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b124f4fa2472e5467898e0020b8382b91d5239bb08b12140b4820bcea6da62e0
[2024-11-22 03:09:04,500 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 03:09:04,528 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 03:09:04,534 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 03:09:04,536 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 03:09:04,536 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 03:09:04,537 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/Dubois-070.c
[2024-11-22 03:09:06,042 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 03:09:06,317 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 03:09:06,318 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/Dubois-070.c
[2024-11-22 03:09:06,351 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7eb034c8/dc548baefe384578a940f4dd67901810/FLAG988fa5b0c
[2024-11-22 03:09:06,626 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7eb034c8/dc548baefe384578a940f4dd67901810
[2024-11-22 03:09:06,629 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 03:09:06,630 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 03:09:06,632 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 03:09:06,632 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 03:09:06,637 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 03:09:06,637 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:06" (1/1) ...
[2024-11-22 03:09:06,640 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf1682a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:06, skipping insertion in model container
[2024-11-22 03:09:06,640 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:06" (1/1) ...
[2024-11-22 03:09:06,696 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 03:09:07,268 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/xcsp/Dubois-070.c[49920,49933]
[2024-11-22 03:09:07,312 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 03:09:07,323 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 03:09:07,450 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/xcsp/Dubois-070.c[49920,49933]
[2024-11-22 03:09:07,474 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 03:09:07,491 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 03:09:07,491 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07 WrapperNode
[2024-11-22 03:09:07,491 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 03:09:07,493 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 03:09:07,493 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 03:09:07,494 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 03:09:07,501 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:07,648 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:08,410 INFO  L138                Inliner]: procedures = 13, calls = 567, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13946
[2024-11-22 03:09:08,410 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 03:09:08,411 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 03:09:08,411 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 03:09:08,411 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 03:09:08,422 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:08,422 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:08,726 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:08,924 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].
[2024-11-22 03:09:08,928 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:08,929 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:09,334 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:09,404 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:09,505 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:09,550 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:09,857 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 03:09:09,860 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 03:09:09,860 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 03:09:09,860 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 03:09:09,861 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (1/1) ...
[2024-11-22 03:09:09,866 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 03:09:09,882 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:09:09,899 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)
[2024-11-22 03:09:09,905 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
[2024-11-22 03:09:09,951 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 03:09:09,951 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 03:09:09,951 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 03:09:09,951 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 03:09:09,951 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2024-11-22 03:09:09,951 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2024-11-22 03:09:10,313 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 03:09:10,314 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 03:09:26,816 INFO  L?                        ?]: Removed 4835 outVars from TransFormulas that were not future-live.
[2024-11-22 03:09:26,816 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 03:09:26,916 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 03:09:26,917 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-22 03:09:26,917 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:26 BoogieIcfgContainer
[2024-11-22 03:09:26,918 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 03:09:26,921 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 03:09:26,921 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 03:09:26,925 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 03:09:26,925 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:09:06" (1/3) ...
[2024-11-22 03:09:26,926 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e2877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:26, skipping insertion in model container
[2024-11-22 03:09:26,926 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:07" (2/3) ...
[2024-11-22 03:09:26,928 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3e2877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:09:26, skipping insertion in model container
[2024-11-22 03:09:26,928 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:09:26" (3/3) ...
[2024-11-22 03:09:26,929 INFO  L112   eAbstractionObserver]: Analyzing ICFG Dubois-070.c
[2024-11-22 03:09:26,945 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 03:09:26,946 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 03:09:27,129 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 03:09:27,136 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;@c5ef002, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 03:09:27,138 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 03:09:27,159 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5541 states, 4978 states have (on average 1.6191241462434713) internal successors, (8060), 4979 states have internal predecessors, (8060), 560 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560)
[2024-11-22 03:09:27,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4694
[2024-11-22 03:09:27,463 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:09:27,467 INFO  L215           NwaCegarLoop]: trace histogram [560, 560, 560, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 03:09:27,468 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:09:27,472 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:09:27,474 INFO  L85        PathProgramCache]: Analyzing trace with hash -267113677, now seen corresponding path program 1 times
[2024-11-22 03:09:27,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:09:27,482 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119576340]
[2024-11-22 03:09:27,483 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:09:27,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:09:27,896 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:09:31,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 0 proven. 1118 refuted. 0 times theorem prover too weak. 624962 trivial. 0 not checked.
[2024-11-22 03:09:31,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:09:31,754 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119576340]
[2024-11-22 03:09:31,755 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119576340] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 03:09:31,756 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080173143]
[2024-11-22 03:09:31,757 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:09:31,757 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 03:09:31,758 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:09:31,760 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 03:09:31,762 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-22 03:09:33,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:09:33,933 INFO  L255         TraceCheckSpWp]: Trace formula consists of 10246 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-22 03:09:34,030 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 03:09:34,376 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 1118 proven. 0 refuted. 0 times theorem prover too weak. 624962 trivial. 0 not checked.
[2024-11-22 03:09:34,376 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 03:09:34,377 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080173143] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 03:09:34,377 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 03:09:34,378 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-22 03:09:34,380 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31848836]
[2024-11-22 03:09:34,381 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 03:09:34,391 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-22 03:09:34,391 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 03:09:34,419 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-22 03:09:34,419 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 03:09:34,439 INFO  L87              Difference]: Start difference. First operand  has 5541 states, 4978 states have (on average 1.6191241462434713) internal successors, (8060), 4979 states have internal predecessors, (8060), 560 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560) Second operand  has 2 states, 2 states have (on average 949.0) internal successors, (1898), 2 states have internal predecessors, (1898), 2 states have call successors, (560), 2 states have call predecessors, (560), 1 states have return successors, (560), 1 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:09:34,738 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 03:09:34,738 INFO  L93              Difference]: Finished difference Result 11076 states and 18914 transitions.
[2024-11-22 03:09:34,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-22 03:09:34,743 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 949.0) internal successors, (1898), 2 states have internal predecessors, (1898), 2 states have call successors, (560), 2 states have call predecessors, (560), 1 states have return successors, (560), 1 states have call predecessors, (560), 2 states have call successors, (560) Word has length 4693
[2024-11-22 03:09:34,744 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 03:09:34,788 INFO  L225             Difference]: With dead ends: 11076
[2024-11-22 03:09:34,788 INFO  L226             Difference]: Without dead ends: 5538
[2024-11-22 03:09:34,807 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4694 GetRequests, 4694 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 03:09:34,810 INFO  L432           NwaCegarLoop]: 9176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 03:09:34,811 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 03:09:34,842 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5538 states.
[2024-11-22 03:09:35,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5538 to 5538.
[2024-11-22 03:09:35,242 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5538 states, 4976 states have (on average 1.6189710610932475) internal successors, (8056), 4976 states have internal predecessors, (8056), 560 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560)
[2024-11-22 03:09:35,268 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5538 states to 5538 states and 9176 transitions.
[2024-11-22 03:09:35,275 INFO  L78                 Accepts]: Start accepts. Automaton has 5538 states and 9176 transitions. Word has length 4693
[2024-11-22 03:09:35,277 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 03:09:35,277 INFO  L471      AbstractCegarLoop]: Abstraction has 5538 states and 9176 transitions.
[2024-11-22 03:09:35,279 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 949.0) internal successors, (1898), 2 states have internal predecessors, (1898), 2 states have call successors, (560), 2 states have call predecessors, (560), 1 states have return successors, (560), 1 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:09:35,279 INFO  L276                IsEmpty]: Start isEmpty. Operand 5538 states and 9176 transitions.
[2024-11-22 03:09:35,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4694
[2024-11-22 03:09:35,414 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:09:35,417 INFO  L215           NwaCegarLoop]: trace histogram [560, 560, 560, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-22 03:09:35,442 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-22 03:09:35,618 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-22 03:09:35,619 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:09:35,620 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:09:35,622 INFO  L85        PathProgramCache]: Analyzing trace with hash -1583309645, now seen corresponding path program 1 times
[2024-11-22 03:09:35,622 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:09:35,622 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730415259]
[2024-11-22 03:09:35,623 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:09:35,623 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:09:36,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:09:43,709 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 1260 proven. 417 refuted. 0 times theorem prover too weak. 624403 trivial. 0 not checked.
[2024-11-22 03:09:43,709 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:09:43,710 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730415259]
[2024-11-22 03:09:43,710 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730415259] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 03:09:43,710 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610984198]
[2024-11-22 03:09:43,711 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:09:43,711 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 03:09:43,712 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:09:43,714 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 03:09:43,715 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-22 03:09:45,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:09:45,558 INFO  L255         TraceCheckSpWp]: Trace formula consists of 10246 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-22 03:09:45,634 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 03:09:45,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 235336 proven. 0 refuted. 0 times theorem prover too weak. 390744 trivial. 0 not checked.
[2024-11-22 03:09:45,813 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 03:09:45,813 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [610984198] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 03:09:45,814 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 03:09:45,815 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6
[2024-11-22 03:09:45,816 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206576599]
[2024-11-22 03:09:45,816 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 03:09:45,822 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-22 03:09:45,822 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 03:09:45,826 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-22 03:09:45,826 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-22 03:09:45,833 INFO  L87              Difference]: Start difference. First operand 5538 states and 9176 transitions. Second operand  has 6 states, 5 states have (on average 380.4) internal successors, (1902), 6 states have internal predecessors, (1902), 3 states have call successors, (560), 2 states have call predecessors, (560), 3 states have return successors, (560), 2 states have call predecessors, (560), 3 states have call successors, (560)
[2024-11-22 03:09:48,752 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 03:09:48,752 INFO  L93              Difference]: Finished difference Result 10415 states and 17252 transitions.
[2024-11-22 03:09:48,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-22 03:09:48,755 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 380.4) internal successors, (1902), 6 states have internal predecessors, (1902), 3 states have call successors, (560), 2 states have call predecessors, (560), 3 states have return successors, (560), 2 states have call predecessors, (560), 3 states have call successors, (560) Word has length 4693
[2024-11-22 03:09:48,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 03:09:48,797 INFO  L225             Difference]: With dead ends: 10415
[2024-11-22 03:09:48,798 INFO  L226             Difference]: Without dead ends: 5540
[2024-11-22 03:09:48,808 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4698 GetRequests, 4694 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-22 03:09:48,811 INFO  L432           NwaCegarLoop]: 8612 mSDtfsCounter, 1 mSDsluCounter, 33315 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 41927 SdHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-22 03:09:48,812 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 41927 Invalid, 3950 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3949 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-22 03:09:48,823 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5540 states.
[2024-11-22 03:09:49,098 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5540 to 5540.
[2024-11-22 03:09:49,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5540 states, 4978 states have (on average 1.6187223784652471) internal successors, (8058), 4978 states have internal predecessors, (8058), 560 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560)
[2024-11-22 03:09:49,126 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5540 states to 5540 states and 9178 transitions.
[2024-11-22 03:09:49,129 INFO  L78                 Accepts]: Start accepts. Automaton has 5540 states and 9178 transitions. Word has length 4693
[2024-11-22 03:09:49,140 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 03:09:49,142 INFO  L471      AbstractCegarLoop]: Abstraction has 5540 states and 9178 transitions.
[2024-11-22 03:09:49,143 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 380.4) internal successors, (1902), 6 states have internal predecessors, (1902), 3 states have call successors, (560), 2 states have call predecessors, (560), 3 states have return successors, (560), 2 states have call predecessors, (560), 3 states have call successors, (560)
[2024-11-22 03:09:49,144 INFO  L276                IsEmpty]: Start isEmpty. Operand 5540 states and 9178 transitions.
[2024-11-22 03:09:49,263 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4695
[2024-11-22 03:09:49,263 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:09:49,265 INFO  L215           NwaCegarLoop]: trace histogram [560, 560, 560, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 03:09:49,291 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-22 03:09:49,467 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-11-22 03:09:49,468 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:09:49,469 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:09:49,471 INFO  L85        PathProgramCache]: Analyzing trace with hash 1820751127, now seen corresponding path program 1 times
[2024-11-22 03:09:49,472 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:09:49,473 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200876137]
[2024-11-22 03:09:49,474 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:09:49,474 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:09:49,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:09:53,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626080 trivial. 0 not checked.
[2024-11-22 03:09:53,945 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:09:53,945 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200876137]
[2024-11-22 03:09:53,946 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200876137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 03:09:53,947 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 03:09:53,947 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 03:09:53,949 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021359670]
[2024-11-22 03:09:53,949 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 03:09:53,953 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 03:09:53,954 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 03:09:53,957 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 03:09:53,957 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 03:09:53,958 INFO  L87              Difference]: Start difference. First operand 5540 states and 9178 transitions. Second operand  has 5 states, 5 states have (on average 379.4) internal successors, (1897), 5 states have internal predecessors, (1897), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:09:54,161 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 03:09:54,161 INFO  L93              Difference]: Finished difference Result 10435 states and 17282 transitions.
[2024-11-22 03:09:54,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 03:09:54,163 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 379.4) internal successors, (1897), 5 states have internal predecessors, (1897), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560) Word has length 4694
[2024-11-22 03:09:54,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 03:09:54,192 INFO  L225             Difference]: With dead ends: 10435
[2024-11-22 03:09:54,192 INFO  L226             Difference]: Without dead ends: 5549
[2024-11-22 03:09:54,203 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-22 03:09:54,206 INFO  L432           NwaCegarLoop]: 9172 mSDtfsCounter, 10 mSDsluCounter, 27493 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 36665 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 03:09:54,206 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 36665 Invalid, 40 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 03:09:54,215 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5549 states.
[2024-11-22 03:09:54,442 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5549 to 5549.
[2024-11-22 03:09:54,451 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5549 states, 4987 states have (on average 1.6184078604371366) internal successors, (8071), 4987 states have internal predecessors, (8071), 560 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560)
[2024-11-22 03:09:54,467 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5549 states to 5549 states and 9191 transitions.
[2024-11-22 03:09:54,471 INFO  L78                 Accepts]: Start accepts. Automaton has 5549 states and 9191 transitions. Word has length 4694
[2024-11-22 03:09:54,474 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 03:09:54,474 INFO  L471      AbstractCegarLoop]: Abstraction has 5549 states and 9191 transitions.
[2024-11-22 03:09:54,475 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 379.4) internal successors, (1897), 5 states have internal predecessors, (1897), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:09:54,476 INFO  L276                IsEmpty]: Start isEmpty. Operand 5549 states and 9191 transitions.
[2024-11-22 03:09:54,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4695
[2024-11-22 03:09:54,593 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:09:54,595 INFO  L215           NwaCegarLoop]: trace histogram [560, 560, 560, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 03:09:54,596 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 03:09:54,596 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:09:54,596 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:09:54,598 INFO  L85        PathProgramCache]: Analyzing trace with hash 1473612285, now seen corresponding path program 1 times
[2024-11-22 03:09:54,598 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:09:54,598 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215051285]
[2024-11-22 03:09:54,599 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:09:54,599 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:09:54,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:09:57,596 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626080 trivial. 0 not checked.
[2024-11-22 03:09:57,596 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:09:57,598 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215051285]
[2024-11-22 03:09:57,598 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215051285] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 03:09:57,598 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 03:09:57,599 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 03:09:57,599 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130614726]
[2024-11-22 03:09:57,599 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 03:09:57,603 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 03:09:57,603 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 03:09:57,606 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 03:09:57,606 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 03:09:57,607 INFO  L87              Difference]: Start difference. First operand 5549 states and 9191 transitions. Second operand  has 3 states, 3 states have (on average 632.3333333333334) internal successors, (1897), 3 states have internal predecessors, (1897), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:09:57,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 03:09:57,726 INFO  L93              Difference]: Finished difference Result 10432 states and 17275 transitions.
[2024-11-22 03:09:57,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 03:09:57,729 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 632.3333333333334) internal successors, (1897), 3 states have internal predecessors, (1897), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560) Word has length 4694
[2024-11-22 03:09:57,731 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 03:09:57,763 INFO  L225             Difference]: With dead ends: 10432
[2024-11-22 03:09:57,763 INFO  L226             Difference]: Without dead ends: 5550
[2024-11-22 03:09:57,772 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 03:09:57,775 INFO  L432           NwaCegarLoop]: 9175 mSDtfsCounter, 0 mSDsluCounter, 9166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18341 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 03:09:57,775 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18341 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 03:09:57,786 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5550 states.
[2024-11-22 03:09:58,031 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5550 to 5550.
[2024-11-22 03:09:58,039 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5550 states, 4988 states have (on average 1.618083400160385) internal successors, (8071), 4988 states have internal predecessors, (8071), 560 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560)
[2024-11-22 03:09:58,053 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5550 states to 5550 states and 9191 transitions.
[2024-11-22 03:09:58,056 INFO  L78                 Accepts]: Start accepts. Automaton has 5550 states and 9191 transitions. Word has length 4694
[2024-11-22 03:09:58,058 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 03:09:58,059 INFO  L471      AbstractCegarLoop]: Abstraction has 5550 states and 9191 transitions.
[2024-11-22 03:09:58,060 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 632.3333333333334) internal successors, (1897), 3 states have internal predecessors, (1897), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:09:58,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 5550 states and 9191 transitions.
[2024-11-22 03:09:58,181 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4696
[2024-11-22 03:09:58,182 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:09:58,184 INFO  L215           NwaCegarLoop]: trace histogram [560, 560, 560, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 03:09:58,184 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 03:09:58,185 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:09:58,185 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:09:58,187 INFO  L85        PathProgramCache]: Analyzing trace with hash -123888179, now seen corresponding path program 1 times
[2024-11-22 03:09:58,187 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:09:58,187 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110909971]
[2024-11-22 03:09:58,188 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:09:58,188 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:09:58,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:10:01,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626080 trivial. 0 not checked.
[2024-11-22 03:10:01,201 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:10:01,201 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110909971]
[2024-11-22 03:10:01,201 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110909971] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 03:10:01,201 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 03:10:01,202 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 03:10:01,202 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257455826]
[2024-11-22 03:10:01,202 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 03:10:01,208 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 03:10:01,210 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 03:10:01,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 03:10:01,214 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 03:10:01,215 INFO  L87              Difference]: Start difference. First operand 5550 states and 9191 transitions. Second operand  has 4 states, 4 states have (on average 474.5) internal successors, (1898), 4 states have internal predecessors, (1898), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:10:01,349 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 03:10:01,350 INFO  L93              Difference]: Finished difference Result 10464 states and 17324 transitions.
[2024-11-22 03:10:01,350 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 03:10:01,352 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 474.5) internal successors, (1898), 4 states have internal predecessors, (1898), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560) Word has length 4695
[2024-11-22 03:10:01,354 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 03:10:01,378 INFO  L225             Difference]: With dead ends: 10464
[2024-11-22 03:10:01,378 INFO  L226             Difference]: Without dead ends: 5560
[2024-11-22 03:10:01,386 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
[2024-11-22 03:10:01,387 INFO  L432           NwaCegarLoop]: 9172 mSDtfsCounter, 9 mSDsluCounter, 18331 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 27503 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 03:10:01,388 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 27503 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 03:10:01,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5560 states.
[2024-11-22 03:10:01,647 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5560 to 5560.
[2024-11-22 03:10:01,656 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5560 states, 4998 states have (on average 1.6178471388555422) internal successors, (8086), 4998 states have internal predecessors, (8086), 560 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 560 states have call predecessors, (560), 560 states have call successors, (560)
[2024-11-22 03:10:01,669 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 9206 transitions.
[2024-11-22 03:10:01,672 INFO  L78                 Accepts]: Start accepts. Automaton has 5560 states and 9206 transitions. Word has length 4695
[2024-11-22 03:10:01,674 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 03:10:01,674 INFO  L471      AbstractCegarLoop]: Abstraction has 5560 states and 9206 transitions.
[2024-11-22 03:10:01,676 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 474.5) internal successors, (1898), 4 states have internal predecessors, (1898), 2 states have call successors, (560), 1 states have call predecessors, (560), 1 states have return successors, (560), 2 states have call predecessors, (560), 2 states have call successors, (560)
[2024-11-22 03:10:01,676 INFO  L276                IsEmpty]: Start isEmpty. Operand 5560 states and 9206 transitions.
[2024-11-22 03:10:01,792 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4696
[2024-11-22 03:10:01,793 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:10:01,797 INFO  L215           NwaCegarLoop]: trace histogram [560, 560, 560, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 03:10:01,798 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-22 03:10:01,798 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:10:01,799 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:10:01,800 INFO  L85        PathProgramCache]: Analyzing trace with hash -1139033767, now seen corresponding path program 1 times
[2024-11-22 03:10:01,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:10:01,801 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049072629]
[2024-11-22 03:10:01,801 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:10:01,802 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:10:02,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:10:06,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 1263 proven. 414 refuted. 0 times theorem prover too weak. 624403 trivial. 0 not checked.
[2024-11-22 03:10:06,528 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:10:06,528 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049072629]
[2024-11-22 03:10:06,528 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049072629] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 03:10:06,528 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872765880]
[2024-11-22 03:10:06,534 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:10:06,536 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 03:10:06,536 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:10:06,540 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 03:10:06,548 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-22 03:10:08,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:10:08,739 INFO  L255         TraceCheckSpWp]: Trace formula consists of 10252 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-22 03:10:08,800 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 03:10:12,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 626080 backedges. 2236 proven. 0 refuted. 0 times theorem prover too weak. 623844 trivial. 0 not checked.
[2024-11-22 03:10:12,954 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 03:10:12,954 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [872765880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 03:10:12,954 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 03:10:12,955 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-11-22 03:10:12,956 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702352059]
[2024-11-22 03:10:12,956 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 03:10:12,958 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 03:10:12,958 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 03:10:12,961 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 03:10:12,961 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-22 03:10:12,962 INFO  L87              Difference]: Start difference. First operand 5560 states and 9206 transitions. Second operand  has 3 states, 3 states have (on average 633.6666666666666) internal successors, (1901), 3 states have internal predecessors, (1901), 3 states have call successors, (560), 2 states have call predecessors, (560), 2 states have return successors, (560), 3 states have call predecessors, (560), 3 states have call successors, (560)
[2024-11-22 03:10:13,230 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 03:10:13,230 INFO  L93              Difference]: Finished difference Result 15297 states and 25333 transitions.
[2024-11-22 03:10:13,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 03:10:13,232 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 633.6666666666666) internal successors, (1901), 3 states have internal predecessors, (1901), 3 states have call successors, (560), 2 states have call predecessors, (560), 2 states have return successors, (560), 3 states have call predecessors, (560), 3 states have call successors, (560) Word has length 4695
[2024-11-22 03:10:13,237 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 03:10:13,262 INFO  L225             Difference]: With dead ends: 15297
[2024-11-22 03:10:13,263 INFO  L226             Difference]: Without dead ends: 10410
[2024-11-22 03:10:13,270 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4700 GetRequests, 4695 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-22 03:10:13,271 INFO  L432           NwaCegarLoop]: 13461 mSDtfsCounter, 6100 mSDsluCounter, 9200 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6100 SdHoareTripleChecker+Valid, 22661 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 03:10:13,272 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6100 Valid, 22661 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 03:10:13,286 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10410 states.
[2024-11-22 03:10:13,695 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10410 to 10410.
[2024-11-22 03:10:13,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10410 states, 9709 states have (on average 1.6314759501493459) internal successors, (15840), 9709 states have internal predecessors, (15840), 699 states have call successors, (699), 1 states have call predecessors, (699), 1 states have return successors, (699), 699 states have call predecessors, (699), 699 states have call successors, (699)
[2024-11-22 03:10:13,730 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10410 states to 10410 states and 17238 transitions.
[2024-11-22 03:10:13,734 INFO  L78                 Accepts]: Start accepts. Automaton has 10410 states and 17238 transitions. Word has length 4695
[2024-11-22 03:10:13,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 03:10:13,738 INFO  L471      AbstractCegarLoop]: Abstraction has 10410 states and 17238 transitions.
[2024-11-22 03:10:13,738 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 633.6666666666666) internal successors, (1901), 3 states have internal predecessors, (1901), 3 states have call successors, (560), 2 states have call predecessors, (560), 2 states have return successors, (560), 3 states have call predecessors, (560), 3 states have call successors, (560)
[2024-11-22 03:10:13,739 INFO  L276                IsEmpty]: Start isEmpty. Operand 10410 states and 17238 transitions.
[2024-11-22 03:10:14,035 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4696
[2024-11-22 03:10:14,036 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:10:14,038 INFO  L215           NwaCegarLoop]: trace histogram [560, 560, 560, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-22 03:10:14,066 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-22 03:10:14,239 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 03:10:14,239 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:10:14,240 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:10:14,242 INFO  L85        PathProgramCache]: Analyzing trace with hash -890515533, now seen corresponding path program 1 times
[2024-11-22 03:10:14,242 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:10:14,242 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042960227]
[2024-11-22 03:10:14,242 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:10:14,243 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:10:14,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat