./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 84cfde4a
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-back-serstep.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 acf4871ee94c194d68f4a813917bfd9438bee9be992711ad95331aecf8e466bc
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-84cfde4
[2024-10-11 06:03:07,151 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-11 06:03:07,220 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-10-11 06:03:07,224 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-11 06:03:07,225 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-11 06:03:07,267 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-11 06:03:07,267 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-11 06:03:07,268 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-11 06:03:07,268 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-11 06:03:07,269 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-11 06:03:07,269 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-11 06:03:07,270 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-11 06:03:07,271 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-11 06:03:07,273 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-11 06:03:07,273 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-11 06:03:07,273 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-11 06:03:07,274 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-11 06:03:07,274 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-11 06:03:07,274 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-11 06:03:07,274 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-11 06:03:07,275 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-11 06:03:07,275 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-11 06:03:07,276 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-11 06:03:07,276 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-11 06:03:07,276 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-11 06:03:07,277 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-11 06:03:07,277 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-11 06:03:07,277 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-11 06:03:07,278 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-11 06:03:07,278 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-11 06:03:07,278 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-11 06:03:07,279 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-11 06:03:07,279 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-11 06:03:07,279 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-11 06:03:07,279 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-11 06:03:07,280 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-11 06:03:07,280 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-11 06:03:07,280 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-11 06:03:07,281 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-11 06:03:07,281 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-clean/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-clean/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 -> acf4871ee94c194d68f4a813917bfd9438bee9be992711ad95331aecf8e466bc
[2024-10-11 06:03:07,570 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-11 06:03:07,599 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-11 06:03:07,603 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-11 06:03:07,605 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-11 06:03:07,606 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-11 06:03:07,607 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-back-serstep.c
[2024-10-11 06:03:09,193 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-11 06:03:09,578 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-11 06:03:09,579 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.1.prop1-back-serstep.c
[2024-10-11 06:03:09,602 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d44f57ea3/36eeaa12757b4afbb7743d77da1da531/FLAG39bce3f11
[2024-10-11 06:03:09,770 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d44f57ea3/36eeaa12757b4afbb7743d77da1da531
[2024-10-11 06:03:09,773 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-11 06:03:09,775 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-11 06:03:09,780 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-11 06:03:09,780 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-11 06:03:09,787 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-11 06:03:09,788 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:03:09" (1/1) ...
[2024-10-11 06:03:09,789 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a74a528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:09, skipping insertion in model container
[2024-10-11 06:03:09,790 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:03:09" (1/1) ...
[2024-10-11 06:03:09,880 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-11 06:03:10,137 WARN  L248   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.exit.1.prop1-back-serstep.c[1172,1185]
[2024-10-11 06:03:10,759 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-11 06:03:10,771 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-11 06:03:10,786 WARN  L248   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.exit.1.prop1-back-serstep.c[1172,1185]
[2024-10-11 06:03:11,018 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-11 06:03:11,040 INFO  L204         MainTranslator]: Completed translation
[2024-10-11 06:03:11,041 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11 WrapperNode
[2024-10-11 06:03:11,041 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-11 06:03:11,042 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-11 06:03:11,042 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-11 06:03:11,042 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-11 06:03:11,051 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:11,162 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:12,599 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9275
[2024-10-11 06:03:12,600 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-11 06:03:12,601 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-11 06:03:12,603 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-11 06:03:12,603 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-11 06:03:12,616 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:12,617 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:13,005 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:13,242 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].
[2024-10-11 06:03:13,243 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:13,244 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:13,610 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:13,659 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:13,725 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:13,776 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:14,092 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-11 06:03:14,093 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-11 06:03:14,093 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-11 06:03:14,093 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-11 06:03:14,094 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (1/1) ...
[2024-10-11 06:03:14,101 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-11 06:03:14,114 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-11 06:03:14,136 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-11 06:03:14,141 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-11 06:03:14,195 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-11 06:03:14,195 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-11 06:03:14,195 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-11 06:03:14,196 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-11 06:03:14,766 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-11 06:03:14,769 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-11 06:03:29,110 INFO  L?                        ?]: Removed 5204 outVars from TransFormulas that were not future-live.
[2024-10-11 06:03:29,111 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-11 06:03:29,312 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-11 06:03:29,313 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-11 06:03:29,313 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:03:29 BoogieIcfgContainer
[2024-10-11 06:03:29,314 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-11 06:03:29,320 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-11 06:03:29,320 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-11 06:03:29,324 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-11 06:03:29,324 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:03:09" (1/3) ...
[2024-10-11 06:03:29,325 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4222a9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:03:29, skipping insertion in model container
[2024-10-11 06:03:29,325 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:11" (2/3) ...
[2024-10-11 06:03:29,326 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4222a9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:03:29, skipping insertion in model container
[2024-10-11 06:03:29,326 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:03:29" (3/3) ...
[2024-10-11 06:03:29,328 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.exit.1.prop1-back-serstep.c
[2024-10-11 06:03:29,352 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-11 06:03:29,353 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-11 06:03:29,514 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-11 06:03:29,528 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;@8ca9107, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-11 06:03:29,529 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-11 06:03:29,549 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3051 states, 3049 states have (on average 1.5001639881928501) internal successors, (4574), 3050 states have internal predecessors, (4574), 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)
[2024-10-11 06:03:29,587 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 345
[2024-10-11 06:03:29,590 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:03:29,591 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]
[2024-10-11 06:03:29,592 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:03:29,598 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:03:29,600 INFO  L85        PathProgramCache]: Analyzing trace with hash -118965825, now seen corresponding path program 1 times
[2024-10-11 06:03:29,609 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:03:29,610 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824082740]
[2024-10-11 06:03:29,610 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:03:29,611 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:03:30,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:03:32,113 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:03:32,114 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:03:32,115 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824082740]
[2024-10-11 06:03:32,116 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824082740] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:03:32,117 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:03:32,117 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-11 06:03:32,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928864477]
[2024-10-11 06:03:32,121 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:03:32,129 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:03:32,130 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:03:32,161 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:03:32,162 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:03:32,176 INFO  L87              Difference]: Start difference. First operand  has 3051 states, 3049 states have (on average 1.5001639881928501) internal successors, (4574), 3050 states have internal predecessors, (4574), 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 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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)
[2024-10-11 06:03:32,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:03:32,477 INFO  L93              Difference]: Finished difference Result 5946 states and 8916 transitions.
[2024-10-11 06:03:32,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:03:32,481 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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 344
[2024-10-11 06:03:32,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:03:32,516 INFO  L225             Difference]: With dead ends: 5946
[2024-10-11 06:03:32,517 INFO  L226             Difference]: Without dead ends: 3052
[2024-10-11 06:03:32,529 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
[2024-10-11 06:03:32,536 INFO  L432           NwaCegarLoop]: 4569 mSDtfsCounter, 0 mSDsluCounter, 9133 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13702 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-11 06:03:32,538 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13702 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-11 06:03:32,568 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3052 states.
[2024-10-11 06:03:32,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3052.
[2024-10-11 06:03:32,702 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3052 states, 3051 states have (on average 1.4991805965257292) internal successors, (4574), 3051 states have internal predecessors, (4574), 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)
[2024-10-11 06:03:32,720 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4574 transitions.
[2024-10-11 06:03:32,722 INFO  L78                 Accepts]: Start accepts. Automaton has 3052 states and 4574 transitions. Word has length 344
[2024-10-11 06:03:32,726 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:03:32,729 INFO  L471      AbstractCegarLoop]: Abstraction has 3052 states and 4574 transitions.
[2024-10-11 06:03:32,730 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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)
[2024-10-11 06:03:32,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 3052 states and 4574 transitions.
[2024-10-11 06:03:32,737 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 346
[2024-10-11 06:03:32,738 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:03:32,739 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]
[2024-10-11 06:03:32,739 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-11 06:03:32,740 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:03:32,740 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:03:32,741 INFO  L85        PathProgramCache]: Analyzing trace with hash 608724084, now seen corresponding path program 1 times
[2024-10-11 06:03:32,741 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:03:32,742 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715906886]
[2024-10-11 06:03:32,742 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:03:32,743 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:03:32,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:03:33,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:03:33,742 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:03:33,743 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715906886]
[2024-10-11 06:03:33,743 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715906886] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:03:33,743 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:03:33,743 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-11 06:03:33,743 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549313074]
[2024-10-11 06:03:33,744 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:03:33,747 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:03:33,748 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:03:33,749 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:03:33,751 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:03:33,751 INFO  L87              Difference]: Start difference. First operand 3052 states and 4574 transitions. Second operand  has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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)
[2024-10-11 06:03:33,905 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:03:33,906 INFO  L93              Difference]: Finished difference Result 5949 states and 8916 transitions.
[2024-10-11 06:03:33,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:03:33,907 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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 345
[2024-10-11 06:03:33,909 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:03:33,923 INFO  L225             Difference]: With dead ends: 5949
[2024-10-11 06:03:33,924 INFO  L226             Difference]: Without dead ends: 3054
[2024-10-11 06:03:33,930 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
[2024-10-11 06:03:33,935 INFO  L432           NwaCegarLoop]: 4569 mSDtfsCounter, 0 mSDsluCounter, 9130 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13699 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-11 06:03:33,935 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13699 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-11 06:03:33,945 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3054 states.
[2024-10-11 06:03:34,010 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 3054.
[2024-10-11 06:03:34,018 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3054 states, 3053 states have (on average 1.4988535866360957) internal successors, (4576), 3053 states have internal predecessors, (4576), 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)
[2024-10-11 06:03:34,032 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 4576 transitions.
[2024-10-11 06:03:34,033 INFO  L78                 Accepts]: Start accepts. Automaton has 3054 states and 4576 transitions. Word has length 345
[2024-10-11 06:03:34,034 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:03:34,034 INFO  L471      AbstractCegarLoop]: Abstraction has 3054 states and 4576 transitions.
[2024-10-11 06:03:34,035 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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)
[2024-10-11 06:03:34,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 3054 states and 4576 transitions.
[2024-10-11 06:03:34,041 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2024-10-11 06:03:34,041 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:03:34,042 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]
[2024-10-11 06:03:34,042 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-11 06:03:34,042 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:03:34,043 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:03:34,043 INFO  L85        PathProgramCache]: Analyzing trace with hash 592613688, now seen corresponding path program 1 times
[2024-10-11 06:03:34,044 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:03:34,044 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393354015]
[2024-10-11 06:03:34,044 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:03:34,044 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:03:34,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:03:35,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:03:35,033 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:03:35,034 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393354015]
[2024-10-11 06:03:35,034 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393354015] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:03:35,035 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:03:35,035 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-11 06:03:35,035 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442077986]
[2024-10-11 06:03:35,035 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:03:35,036 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-11 06:03:35,036 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:03:35,037 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-11 06:03:35,038 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-11 06:03:35,038 INFO  L87              Difference]: Start difference. First operand 3054 states and 4576 transitions. Second operand  has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 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)
[2024-10-11 06:03:35,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:03:35,170 INFO  L93              Difference]: Finished difference Result 5953 states and 8920 transitions.
[2024-10-11 06:03:35,171 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-11 06:03:35,172 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 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 346
[2024-10-11 06:03:35,173 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:03:35,185 INFO  L225             Difference]: With dead ends: 5953
[2024-10-11 06:03:35,185 INFO  L226             Difference]: Without dead ends: 3056
[2024-10-11 06:03:35,192 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
[2024-10-11 06:03:35,193 INFO  L432           NwaCegarLoop]: 4569 mSDtfsCounter, 0 mSDsluCounter, 9130 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13699 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-11 06:03:35,194 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13699 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-11 06:03:35,200 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3056 states.
[2024-10-11 06:03:35,254 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 3056.
[2024-10-11 06:03:35,262 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3056 states, 3055 states have (on average 1.4985270049099837) internal successors, (4578), 3055 states have internal predecessors, (4578), 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)
[2024-10-11 06:03:35,275 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 3056 states and 4578 transitions.
[2024-10-11 06:03:35,275 INFO  L78                 Accepts]: Start accepts. Automaton has 3056 states and 4578 transitions. Word has length 346
[2024-10-11 06:03:35,276 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:03:35,277 INFO  L471      AbstractCegarLoop]: Abstraction has 3056 states and 4578 transitions.
[2024-10-11 06:03:35,277 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 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)
[2024-10-11 06:03:35,277 INFO  L276                IsEmpty]: Start isEmpty. Operand 3056 states and 4578 transitions.
[2024-10-11 06:03:35,282 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 348
[2024-10-11 06:03:35,282 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:03:35,282 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]
[2024-10-11 06:03:35,283 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-11 06:03:35,283 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:03:35,284 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:03:35,284 INFO  L85        PathProgramCache]: Analyzing trace with hash 2100044155, now seen corresponding path program 1 times
[2024-10-11 06:03:35,284 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:03:35,284 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257266980]
[2024-10-11 06:03:35,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:03:35,285 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:03:35,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:03:36,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:03:36,211 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:03:36,212 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257266980]
[2024-10-11 06:03:36,212 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257266980] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-11 06:03:36,212 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-11 06:03:36,213 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-11 06:03:36,213 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913691702]
[2024-10-11 06:03:36,213 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-11 06:03:36,214 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-11 06:03:36,214 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-11 06:03:36,215 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-11 06:03:36,215 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-11 06:03:36,216 INFO  L87              Difference]: Start difference. First operand 3056 states and 4578 transitions. Second operand  has 5 states, 5 states have (on average 69.4) internal successors, (347), 4 states have internal predecessors, (347), 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)
[2024-10-11 06:03:36,447 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-11 06:03:36,448 INFO  L93              Difference]: Finished difference Result 8840 states and 13245 transitions.
[2024-10-11 06:03:36,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-11 06:03:36,449 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 69.4) internal successors, (347), 4 states have internal predecessors, (347), 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 347
[2024-10-11 06:03:36,450 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-11 06:03:36,474 INFO  L225             Difference]: With dead ends: 8840
[2024-10-11 06:03:36,475 INFO  L226             Difference]: Without dead ends: 5941
[2024-10-11 06:03:36,485 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
[2024-10-11 06:03:36,488 INFO  L432           NwaCegarLoop]: 4567 mSDtfsCounter, 4217 mSDsluCounter, 13463 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4217 SdHoareTripleChecker+Valid, 18030 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-11 06:03:36,489 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4217 Valid, 18030 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-11 06:03:36,504 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5941 states.
[2024-10-11 06:03:36,600 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5941 to 3572.
[2024-10-11 06:03:36,609 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3572 states, 3571 states have (on average 1.4987398487818537) internal successors, (5352), 3571 states have internal predecessors, (5352), 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)
[2024-10-11 06:03:36,624 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 5352 transitions.
[2024-10-11 06:03:36,625 INFO  L78                 Accepts]: Start accepts. Automaton has 3572 states and 5352 transitions. Word has length 347
[2024-10-11 06:03:36,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-11 06:03:36,626 INFO  L471      AbstractCegarLoop]: Abstraction has 3572 states and 5352 transitions.
[2024-10-11 06:03:36,626 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 69.4) internal successors, (347), 4 states have internal predecessors, (347), 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)
[2024-10-11 06:03:36,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 3572 states and 5352 transitions.
[2024-10-11 06:03:36,699 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1795
[2024-10-11 06:03:36,700 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-11 06:03:36,702 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-11 06:03:36,703 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-11 06:03:36,703 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-11 06:03:36,704 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-11 06:03:36,705 INFO  L85        PathProgramCache]: Analyzing trace with hash 782768718, now seen corresponding path program 1 times
[2024-10-11 06:03:36,705 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-11 06:03:36,705 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139545064]
[2024-10-11 06:03:36,706 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:03:36,706 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-11 06:03:56,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:04:01,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 2 proven. 262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:04:01,249 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-11 06:04:01,249 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139545064]
[2024-10-11 06:04:01,251 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139545064] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-11 06:04:01,251 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947544969]
[2024-10-11 06:04:01,251 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-11 06:04:01,252 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-11 06:04:01,252 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3
[2024-10-11 06:04:01,254 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-11 06:04:01,256 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-10-11 06:04:04,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-11 06:04:04,290 INFO  L255         TraceCheckSpWp]: Trace formula consists of 8768 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-10-11 06:04:04,390 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-11 06:04:14,061 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-11 06:04:14,061 INFO  L311         TraceCheckSpWp]: Computing backward predicates...