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


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


Checking for ERROR reachability
Using default analysis
Version 023d838f
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d3a39933dd248e732cc5af1d7e7b7cbafc228ea71a1da8985e4e5b81d49bafb
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m
[2024-11-10 02:27:27,449 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-10 02:27:27,520 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-10 02:27:27,525 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-10 02:27:27,525 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-10 02:27:27,559 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-10 02:27:27,560 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-10 02:27:27,561 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-10 02:27:27,562 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-10 02:27:27,563 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-10 02:27:27,563 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-10 02:27:27,564 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-10 02:27:27,564 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-10 02:27:27,565 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-10 02:27:27,565 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-10 02:27:27,565 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-10 02:27:27,566 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-10 02:27:27,569 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-10 02:27:27,569 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-10 02:27:27,570 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-10 02:27:27,570 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-10 02:27:27,571 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-10 02:27:27,574 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-10 02:27:27,575 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-10 02:27:27,575 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-10 02:27:27,575 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-10 02:27:27,575 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-10 02:27:27,576 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-10 02:27:27,576 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-10 02:27:27,576 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-10 02:27:27,577 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-10 02:27:27,577 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-10 02:27:27,577 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-10 02:27:27,578 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-10 02:27:27,578 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-10 02:27:27,578 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-10 02:27:27,579 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-10 02:27:27,579 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-10 02:27:27,579 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-10 02:27:27,579 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d3a39933dd248e732cc5af1d7e7b7cbafc228ea71a1da8985e4e5b81d49bafb
[2024-11-10 02:27:27,861 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-10 02:27:27,890 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-10 02:27:27,894 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-10 02:27:27,896 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-10 02:27:27,897 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-10 02:27:27,898 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c
[2024-11-10 02:27:29,436 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-10 02:27:29,809 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-10 02:27:29,810 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c
[2024-11-10 02:27:29,843 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59d737c/73853bfe9ae0438ba9858bd9753a03dd/FLAG4eb162833
[2024-11-10 02:27:29,863 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59d737c/73853bfe9ae0438ba9858bd9753a03dd
[2024-11-10 02:27:29,866 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-10 02:27:29,868 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-10 02:27:29,870 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-10 02:27:29,870 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-10 02:27:29,878 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-10 02:27:29,879 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:27:29" (1/1) ...
[2024-11-10 02:27:29,880 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47cc7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:29, skipping insertion in model container
[2024-11-10 02:27:29,880 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:27:29" (1/1) ...
[2024-11-10 02:27:29,958 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-10 02:27:30,224 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1175,1188]
[2024-11-10 02:27:30,844 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-10 02:27:30,857 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-10 02:27:30,868 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1175,1188]
[2024-11-10 02:27:31,092 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-10 02:27:31,112 INFO  L204         MainTranslator]: Completed translation
[2024-11-10 02:27:31,113 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31 WrapperNode
[2024-11-10 02:27:31,113 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-10 02:27:31,114 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-10 02:27:31,114 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-10 02:27:31,114 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-10 02:27:31,122 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:31,260 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:32,675 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10857
[2024-11-10 02:27:32,675 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-10 02:27:32,676 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-10 02:27:32,676 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-10 02:27:32,676 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-10 02:27:32,693 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:32,694 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:33,053 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:33,446 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-10 02:27:33,446 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:33,446 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:33,854 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:33,911 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:33,968 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:34,016 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:34,198 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-10 02:27:34,199 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-10 02:27:34,199 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-11-10 02:27:34,199 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-11-10 02:27:34,200 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (1/1) ...
[2024-11-10 02:27:34,206 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-10 02:27:34,222 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-10 02:27:34,240 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-10 02:27:34,243 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-10 02:27:34,286 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-10 02:27:34,287 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-10 02:27:34,287 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-10 02:27:34,287 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-10 02:27:34,984 INFO  L256             CfgBuilder]: Building ICFG
[2024-11-10 02:27:34,987 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-10 02:27:53,617 INFO  L?                        ?]: Removed 5757 outVars from TransFormulas that were not future-live.
[2024-11-10 02:27:53,618 INFO  L307             CfgBuilder]: Performing block encoding
[2024-11-10 02:27:54,114 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-10 02:27:54,115 INFO  L336             CfgBuilder]: Removed 6 assume(true) statements.
[2024-11-10 02:27:54,116 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:27:54 BoogieIcfgContainer
[2024-11-10 02:27:54,117 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-10 02:27:54,120 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-10 02:27:54,121 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-10 02:27:54,125 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-10 02:27:54,125 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:27:29" (1/3) ...
[2024-11-10 02:27:54,127 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b17b786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:27:54, skipping insertion in model container
[2024-11-10 02:27:54,128 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:27:31" (2/3) ...
[2024-11-10 02:27:54,128 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b17b786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:27:54, skipping insertion in model container
[2024-11-10 02:27:54,128 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:27:54" (3/3) ...
[2024-11-10 02:27:54,130 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.1.prop1-back-serstep.c
[2024-11-10 02:27:54,152 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-10 02:27:54,152 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-10 02:27:54,304 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-10 02:27:54,311 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;@418bfaac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-10 02:27:54,311 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-10 02:27:54,334 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3879 states, 3877 states have (on average 1.5032241423781274) internal successors, (5828), 3878 states have internal predecessors, (5828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:27:54,357 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 323
[2024-11-10 02:27:54,358 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:27:54,359 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]
[2024-11-10 02:27:54,360 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:27:54,367 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:27:54,368 INFO  L85        PathProgramCache]: Analyzing trace with hash 1703985555, now seen corresponding path program 1 times
[2024-11-10 02:27:54,379 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:27:54,379 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596563814]
[2024-11-10 02:27:54,379 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:27:54,380 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:27:54,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:27:56,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:27:56,323 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:27:56,323 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596563814]
[2024-11-10 02:27:56,324 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596563814] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:27:56,325 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:27:56,325 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 02:27:56,326 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341055108]
[2024-11-10 02:27:56,327 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:27:56,333 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 02:27:56,334 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:27:56,365 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 02:27:56,366 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:27:56,378 INFO  L87              Difference]: Start difference. First operand  has 3879 states, 3877 states have (on average 1.5032241423781274) internal successors, (5828), 3878 states have internal predecessors, (5828), 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 80.5) internal successors, (322), 4 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:27:58,593 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:27:58,594 INFO  L93              Difference]: Finished difference Result 7617 states and 11449 transitions.
[2024-11-10 02:27:58,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 02:27:58,597 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 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 322
[2024-11-10 02:27:58,599 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:27:58,630 INFO  L225             Difference]: With dead ends: 7617
[2024-11-10 02:27:58,630 INFO  L226             Difference]: Without dead ends: 3876
[2024-11-10 02:27:58,642 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:27:58,646 INFO  L432           NwaCegarLoop]: 4858 mSDtfsCounter, 0 mSDsluCounter, 9711 mSDsCounter, 0 mSdLazyCounter, 2896 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14569 SdHoareTripleChecker+Invalid, 2896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-10 02:27:58,647 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14569 Invalid, 2896 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2896 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-10 02:27:58,671 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3876 states.
[2024-11-10 02:27:58,782 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3876.
[2024-11-10 02:27:58,791 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3876 states, 3875 states have (on average 1.5029677419354839) internal successors, (5824), 3875 states have internal predecessors, (5824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:27:58,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 5824 transitions.
[2024-11-10 02:27:58,805 INFO  L78                 Accepts]: Start accepts. Automaton has 3876 states and 5824 transitions. Word has length 322
[2024-11-10 02:27:58,806 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:27:58,807 INFO  L471      AbstractCegarLoop]: Abstraction has 3876 states and 5824 transitions.
[2024-11-10 02:27:58,807 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:27:58,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 3876 states and 5824 transitions.
[2024-11-10 02:27:58,814 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 324
[2024-11-10 02:27:58,815 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:27:58,815 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]
[2024-11-10 02:27:58,815 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-10 02:27:58,815 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:27:58,816 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:27:58,816 INFO  L85        PathProgramCache]: Analyzing trace with hash 1429003700, now seen corresponding path program 1 times
[2024-11-10 02:27:58,816 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:27:58,817 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017427071]
[2024-11-10 02:27:58,817 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:27:58,818 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:27:59,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:27:59,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:27:59,542 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:27:59,543 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017427071]
[2024-11-10 02:27:59,543 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017427071] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:27:59,543 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:27:59,545 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 02:27:59,545 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735887600]
[2024-11-10 02:27:59,546 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:27:59,547 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 02:27:59,547 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:27:59,548 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 02:27:59,550 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:27:59,550 INFO  L87              Difference]: Start difference. First operand 3876 states and 5824 transitions. Second operand  has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:01,471 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:28:01,472 INFO  L93              Difference]: Finished difference Result 7616 states and 11445 transitions.
[2024-11-10 02:28:01,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 02:28:01,473 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 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 323
[2024-11-10 02:28:01,474 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:28:01,488 INFO  L225             Difference]: With dead ends: 7616
[2024-11-10 02:28:01,489 INFO  L226             Difference]: Without dead ends: 3878
[2024-11-10 02:28:01,495 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:28:01,499 INFO  L432           NwaCegarLoop]: 4858 mSDtfsCounter, 0 mSDsluCounter, 9708 mSDsCounter, 0 mSdLazyCounter, 2899 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14566 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-10 02:28:01,501 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14566 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2899 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-10 02:28:01,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3878 states.
[2024-11-10 02:28:01,568 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3878.
[2024-11-10 02:28:01,577 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3878 states, 3877 states have (on average 1.502708279597627) internal successors, (5826), 3877 states have internal predecessors, (5826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:01,590 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 5826 transitions.
[2024-11-10 02:28:01,591 INFO  L78                 Accepts]: Start accepts. Automaton has 3878 states and 5826 transitions. Word has length 323
[2024-11-10 02:28:01,593 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:28:01,594 INFO  L471      AbstractCegarLoop]: Abstraction has 3878 states and 5826 transitions.
[2024-11-10 02:28:01,594 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 80.75) internal successors, (323), 4 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:01,594 INFO  L276                IsEmpty]: Start isEmpty. Operand 3878 states and 5826 transitions.
[2024-11-10 02:28:01,598 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 325
[2024-11-10 02:28:01,599 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:28:01,600 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:28:01,600 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-10 02:28:01,600 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:28:01,602 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:28:01,603 INFO  L85        PathProgramCache]: Analyzing trace with hash 1096690968, now seen corresponding path program 1 times
[2024-11-10 02:28:01,603 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:28:01,603 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145713198]
[2024-11-10 02:28:01,604 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:28:01,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:28:01,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:28:02,271 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:28:02,272 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:28:02,272 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145713198]
[2024-11-10 02:28:02,272 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145713198] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:28:02,272 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:28:02,273 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 02:28:02,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732600143]
[2024-11-10 02:28:02,273 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:28:02,274 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 02:28:02,274 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:28:02,275 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 02:28:02,275 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:28:02,276 INFO  L87              Difference]: Start difference. First operand 3878 states and 5826 transitions. Second operand  has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:04,185 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:28:04,185 INFO  L93              Difference]: Finished difference Result 7620 states and 11449 transitions.
[2024-11-10 02:28:04,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 02:28:04,186 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 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 324
[2024-11-10 02:28:04,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:28:04,200 INFO  L225             Difference]: With dead ends: 7620
[2024-11-10 02:28:04,200 INFO  L226             Difference]: Without dead ends: 3880
[2024-11-10 02:28:04,206 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:28:04,207 INFO  L432           NwaCegarLoop]: 4858 mSDtfsCounter, 0 mSDsluCounter, 9708 mSDsCounter, 0 mSdLazyCounter, 2899 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14566 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-10 02:28:04,208 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14566 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2899 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-10 02:28:04,214 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3880 states.
[2024-11-10 02:28:04,264 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3880.
[2024-11-10 02:28:04,272 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3880 states, 3879 states have (on average 1.5024490848156742) internal successors, (5828), 3879 states have internal predecessors, (5828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:04,282 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 5828 transitions.
[2024-11-10 02:28:04,283 INFO  L78                 Accepts]: Start accepts. Automaton has 3880 states and 5828 transitions. Word has length 324
[2024-11-10 02:28:04,284 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:28:04,284 INFO  L471      AbstractCegarLoop]: Abstraction has 3880 states and 5828 transitions.
[2024-11-10 02:28:04,284 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:04,285 INFO  L276                IsEmpty]: Start isEmpty. Operand 3880 states and 5828 transitions.
[2024-11-10 02:28:04,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 326
[2024-11-10 02:28:04,289 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:28:04,293 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]
[2024-11-10 02:28:04,293 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-10 02:28:04,293 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:28:04,294 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:28:04,294 INFO  L85        PathProgramCache]: Analyzing trace with hash -1952617297, now seen corresponding path program 1 times
[2024-11-10 02:28:04,295 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:28:04,295 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271149739]
[2024-11-10 02:28:04,295 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:28:04,295 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:28:04,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:28:05,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:28:05,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:28:05,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271149739]
[2024-11-10 02:28:05,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271149739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:28:05,055 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:28:05,055 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 02:28:05,055 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064162115]
[2024-11-10 02:28:05,055 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:28:05,056 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 02:28:05,056 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:28:05,057 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 02:28:05,057 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:28:05,057 INFO  L87              Difference]: Start difference. First operand 3880 states and 5828 transitions. Second operand  has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:07,005 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:28:07,006 INFO  L93              Difference]: Finished difference Result 7624 states and 11453 transitions.
[2024-11-10 02:28:07,006 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 02:28:07,006 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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 325
[2024-11-10 02:28:07,007 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:28:07,021 INFO  L225             Difference]: With dead ends: 7624
[2024-11-10 02:28:07,021 INFO  L226             Difference]: Without dead ends: 3882
[2024-11-10 02:28:07,030 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 02:28:07,031 INFO  L432           NwaCegarLoop]: 4858 mSDtfsCounter, 0 mSDsluCounter, 9708 mSDsCounter, 0 mSdLazyCounter, 2899 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14566 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-10 02:28:07,032 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14566 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2899 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-10 02:28:07,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3882 states.
[2024-11-10 02:28:07,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3882.
[2024-11-10 02:28:07,115 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3882 states, 3881 states have (on average 1.5021901571759855) internal successors, (5830), 3881 states have internal predecessors, (5830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:07,125 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5830 transitions.
[2024-11-10 02:28:07,125 INFO  L78                 Accepts]: Start accepts. Automaton has 3882 states and 5830 transitions. Word has length 325
[2024-11-10 02:28:07,126 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:28:07,126 INFO  L471      AbstractCegarLoop]: Abstraction has 3882 states and 5830 transitions.
[2024-11-10 02:28:07,127 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:07,127 INFO  L276                IsEmpty]: Start isEmpty. Operand 3882 states and 5830 transitions.
[2024-11-10 02:28:07,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 327
[2024-11-10 02:28:07,131 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:28:07,131 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:28:07,131 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-10 02:28:07,132 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:28:07,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:28:07,133 INFO  L85        PathProgramCache]: Analyzing trace with hash -182704227, now seen corresponding path program 1 times
[2024-11-10 02:28:07,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:28:07,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933312602]
[2024-11-10 02:28:07,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:28:07,134 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:28:07,255 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:28:07,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:28:07,759 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:28:07,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933312602]
[2024-11-10 02:28:07,760 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933312602] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:28:07,760 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:28:07,761 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-10 02:28:07,761 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197667107]
[2024-11-10 02:28:07,761 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:28:07,761 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-10 02:28:07,762 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:28:07,762 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-10 02:28:07,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-10 02:28:07,765 INFO  L87              Difference]: Start difference. First operand 3882 states and 5830 transitions. Second operand  has 5 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:10,573 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:28:10,573 INFO  L93              Difference]: Finished difference Result 11351 states and 17052 transitions.
[2024-11-10 02:28:10,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-10 02:28:10,574 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 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 326
[2024-11-10 02:28:10,575 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:28:10,605 INFO  L225             Difference]: With dead ends: 11351
[2024-11-10 02:28:10,605 INFO  L226             Difference]: Without dead ends: 7607
[2024-11-10 02:28:10,615 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-10 02:28:10,616 INFO  L432           NwaCegarLoop]: 4856 mSDtfsCounter, 5482 mSDsluCounter, 14392 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5482 SdHoareTripleChecker+Valid, 19248 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-10 02:28:10,617 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5482 Valid, 19248 Invalid, 3835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3835 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-10 02:28:10,630 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7607 states.
[2024-11-10 02:28:10,722 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7607 to 4370.
[2024-11-10 02:28:10,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4370 states, 4369 states have (on average 1.5019455252918288) internal successors, (6562), 4369 states have internal predecessors, (6562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:10,741 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4370 states to 4370 states and 6562 transitions.
[2024-11-10 02:28:10,742 INFO  L78                 Accepts]: Start accepts. Automaton has 4370 states and 6562 transitions. Word has length 326
[2024-11-10 02:28:10,742 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:28:10,742 INFO  L471      AbstractCegarLoop]: Abstraction has 4370 states and 6562 transitions.
[2024-11-10 02:28:10,743 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.2) internal successors, (326), 5 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:10,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 4370 states and 6562 transitions.
[2024-11-10 02:28:10,838 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2138
[2024-11-10 02:28:10,839 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:28:10,840 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:28:10,841 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-10 02:28:10,841 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:28:10,841 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:28:10,842 INFO  L85        PathProgramCache]: Analyzing trace with hash -225144585, now seen corresponding path program 1 times
[2024-11-10 02:28:10,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:28:10,843 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193345016]
[2024-11-10 02:28:10,843 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:28:10,843 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:28:15,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:28:19,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 250 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:28:19,764 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:28:19,764 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193345016]
[2024-11-10 02:28:19,764 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193345016] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:28:19,764 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:28:19,764 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-10 02:28:19,764 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222308721]
[2024-11-10 02:28:19,764 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:28:19,767 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-10 02:28:19,768 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:28:19,770 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-10 02:28:19,770 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-10 02:28:19,771 INFO  L87              Difference]: Start difference. First operand 4370 states and 6562 transitions. Second operand  has 3 states, 3 states have (on average 712.3333333333334) internal successors, (2137), 3 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:21,011 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:28:21,011 INFO  L93              Difference]: Finished difference Result 8115 states and 12188 transitions.
[2024-11-10 02:28:21,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-10 02:28:21,012 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 712.3333333333334) internal successors, (2137), 3 states have internal predecessors, (2137), 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 2137
[2024-11-10 02:28:21,013 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:28:21,028 INFO  L225             Difference]: With dead ends: 8115
[2024-11-10 02:28:21,030 INFO  L226             Difference]: Without dead ends: 4371
[2024-11-10 02:28:21,033 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
[2024-11-10 02:28:21,034 INFO  L432           NwaCegarLoop]: 4859 mSDtfsCounter, 0 mSDsluCounter, 4854 mSDsCounter, 0 mSdLazyCounter, 1930 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9713 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-10 02:28:21,035 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9713 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1930 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-10 02:28:21,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4371 states.
[2024-11-10 02:28:21,101 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 4371.
[2024-11-10 02:28:21,108 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4371 states, 4370 states have (on average 1.5018306636155607) internal successors, (6563), 4370 states have internal predecessors, (6563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:21,115 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6563 transitions.
[2024-11-10 02:28:21,115 INFO  L78                 Accepts]: Start accepts. Automaton has 4371 states and 6563 transitions. Word has length 2137
[2024-11-10 02:28:21,116 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:28:21,117 INFO  L471      AbstractCegarLoop]: Abstraction has 4371 states and 6563 transitions.
[2024-11-10 02:28:21,118 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 712.3333333333334) internal successors, (2137), 3 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:21,119 INFO  L276                IsEmpty]: Start isEmpty. Operand 4371 states and 6563 transitions.
[2024-11-10 02:28:21,252 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2138
[2024-11-10 02:28:21,253 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:28:21,254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 02:28:21,254 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-10 02:28:21,254 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:28:21,255 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:28:21,256 INFO  L85        PathProgramCache]: Analyzing trace with hash 1541418840, now seen corresponding path program 1 times
[2024-11-10 02:28:21,256 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:28:21,256 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269099554]
[2024-11-10 02:28:21,257 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:28:21,257 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:28:24,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:28:27,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 250 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:28:27,313 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:28:27,313 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269099554]
[2024-11-10 02:28:27,314 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269099554] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:28:27,314 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:28:27,314 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-10 02:28:27,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216247371]
[2024-11-10 02:28:27,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:28:27,317 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-10 02:28:27,317 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:28:27,319 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-10 02:28:27,319 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-10 02:28:27,320 INFO  L87              Difference]: Start difference. First operand 4371 states and 6563 transitions. Second operand  has 3 states, 3 states have (on average 712.3333333333334) internal successors, (2137), 3 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:28,356 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 02:28:28,356 INFO  L93              Difference]: Finished difference Result 8117 states and 12190 transitions.
[2024-11-10 02:28:28,356 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-10 02:28:28,357 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 712.3333333333334) internal successors, (2137), 3 states have internal predecessors, (2137), 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 2137
[2024-11-10 02:28:28,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 02:28:28,367 INFO  L225             Difference]: With dead ends: 8117
[2024-11-10 02:28:28,368 INFO  L226             Difference]: Without dead ends: 4372
[2024-11-10 02:28:28,372 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
[2024-11-10 02:28:28,373 INFO  L432           NwaCegarLoop]: 4859 mSDtfsCounter, 0 mSDsluCounter, 4854 mSDsCounter, 0 mSdLazyCounter, 1930 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9713 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-10 02:28:28,374 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9713 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1930 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-10 02:28:28,380 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4372 states.
[2024-11-10 02:28:28,452 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4372 to 4372.
[2024-11-10 02:28:28,459 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4372 states, 4371 states have (on average 1.5017158544955387) internal successors, (6564), 4371 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:28,464 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 6564 transitions.
[2024-11-10 02:28:28,465 INFO  L78                 Accepts]: Start accepts. Automaton has 4372 states and 6564 transitions. Word has length 2137
[2024-11-10 02:28:28,466 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 02:28:28,466 INFO  L471      AbstractCegarLoop]: Abstraction has 4372 states and 6564 transitions.
[2024-11-10 02:28:28,467 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 712.3333333333334) internal successors, (2137), 3 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-10 02:28:28,467 INFO  L276                IsEmpty]: Start isEmpty. Operand 4372 states and 6564 transitions.
[2024-11-10 02:28:28,515 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2138
[2024-11-10 02:28:28,515 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 02:28:28,516 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-10 02:28:28,517 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-10 02:28:28,517 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 02:28:28,517 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 02:28:28,518 INFO  L85        PathProgramCache]: Analyzing trace with hash 1613439737, now seen corresponding path program 1 times
[2024-11-10 02:28:28,518 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 02:28:28,518 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452300761]
[2024-11-10 02:28:28,519 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 02:28:28,519 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 02:28:30,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 02:28:32,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 250 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-10 02:28:32,560 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 02:28:32,560 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452300761]
[2024-11-10 02:28:32,560 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452300761] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 02:28:32,560 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 02:28:32,561 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-10 02:28:32,561 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206803736]
[2024-11-10 02:28:32,561 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 02:28:32,565 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-10 02:28:32,566 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 02:28:32,570 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-10 02:28:32,570 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-10 02:28:32,571 INFO  L87              Difference]: Start difference. First operand 4372 states and 6564 transitions. Second operand  has 3 states, 3 states have (on average 712.3333333333334) internal successors, (2137), 3 states have internal predecessors, (2137), 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)