./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d32_e0.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d32_e0.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 c86eb9f8f031615012746f1d70d6d6c363562a3a72706041b57f7090867b5f9f
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 04:18:33,756 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 04:18:33,840 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-22 04:18:33,846 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 04:18:33,849 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 04:18:33,882 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 04:18:33,884 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 04:18:33,885 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 04:18:33,886 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 04:18:33,887 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 04:18:33,888 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 04:18:33,888 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 04:18:33,889 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 04:18:33,891 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 04:18:33,891 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 04:18:33,892 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 04:18:33,892 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 04:18:33,892 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 04:18:33,893 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 04:18:33,893 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 04:18:33,893 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 04:18:33,894 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 04:18:33,894 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 04:18:33,894 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 04:18:33,898 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 04:18:33,898 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 04:18:33,899 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 04:18:33,899 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 04:18:33,899 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 04:18:33,899 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 04:18:33,900 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 04:18:33,900 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 04:18:33,900 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 04:18:33,900 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 04:18:33,901 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 04:18:33,901 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 04:18:33,901 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 04:18:33,901 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 04:18:33,902 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 04:18:33,902 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 -> c86eb9f8f031615012746f1d70d6d6c363562a3a72706041b57f7090867b5f9f
[2024-11-22 04:18:34,153 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 04:18:34,183 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 04:18:34,186 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 04:18:34,187 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 04:18:34,188 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 04:18:34,189 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d32_e0.c
[2024-11-22 04:18:35,691 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 04:18:36,069 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 04:18:36,070 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d32_e0.c
[2024-11-22 04:18:36,100 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21fb18af/eb34bb1307c749d397d2734cf7fa7cd4/FLAG577966a43
[2024-11-22 04:18:36,262 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e21fb18af/eb34bb1307c749d397d2734cf7fa7cd4
[2024-11-22 04:18:36,264 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 04:18:36,265 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 04:18:36,266 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 04:18:36,266 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 04:18:36,270 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 04:18:36,271 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:18:36" (1/1) ...
[2024-11-22 04:18:36,271 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd39f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:36, skipping insertion in model container
[2024-11-22 04:18:36,271 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:18:36" (1/1) ...
[2024-11-22 04:18:36,356 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 04:18:36,570 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.arbitrated_top_n2_w16_d32_e0.c[1271,1284]
[2024-11-22 04:18:37,136 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 04:18:37,147 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 04:18:37,159 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.arbitrated_top_n2_w16_d32_e0.c[1271,1284]
[2024-11-22 04:18:37,372 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 04:18:37,390 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 04:18:37,390 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37 WrapperNode
[2024-11-22 04:18:37,391 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 04:18:37,392 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 04:18:37,392 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 04:18:37,392 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 04:18:37,398 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:37,473 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:38,153 INFO  L138                Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5959
[2024-11-22 04:18:38,154 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 04:18:38,156 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 04:18:38,156 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 04:18:38,156 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 04:18:38,168 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:38,168 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:38,457 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:38,662 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-22 04:18:38,662 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:38,663 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:39,003 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:39,081 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:39,183 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:39,217 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:39,383 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 04:18:39,384 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 04:18:39,384 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 04:18:39,384 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 04:18:39,386 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (1/1) ...
[2024-11-22 04:18:39,390 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 04:18:39,401 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 04:18:39,418 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-22 04:18:39,422 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-22 04:18:39,474 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 04:18:39,474 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-22 04:18:39,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-22 04:18:39,474 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 04:18:39,474 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 04:18:39,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 04:18:39,972 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 04:18:39,974 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 04:18:46,405 INFO  L?                        ?]: Removed 3396 outVars from TransFormulas that were not future-live.
[2024-11-22 04:18:46,405 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 04:18:46,459 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 04:18:46,460 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-22 04:18:46,460 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:18:46 BoogieIcfgContainer
[2024-11-22 04:18:46,460 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 04:18:46,463 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 04:18:46,465 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 04:18:46,468 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 04:18:46,468 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:18:36" (1/3) ...
[2024-11-22 04:18:46,469 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100baf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:18:46, skipping insertion in model container
[2024-11-22 04:18:46,470 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:18:37" (2/3) ...
[2024-11-22 04:18:46,470 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100baf0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:18:46, skipping insertion in model container
[2024-11-22 04:18:46,470 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:18:46" (3/3) ...
[2024-11-22 04:18:46,473 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w16_d32_e0.c
[2024-11-22 04:18:46,491 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 04:18:46,491 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 04:18:46,618 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 04:18:46,626 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;@1fdc6f5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 04:18:46,627 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 04:18:46,638 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1672 states, 1662 states have (on average 1.4969915764139592) internal successors, (2488), 1663 states have internal predecessors, (2488), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:18:46,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 472
[2024-11-22 04:18:46,691 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:18:46,692 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:18:46,693 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:18:46,699 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:18:46,700 INFO  L85        PathProgramCache]: Analyzing trace with hash 1505786932, now seen corresponding path program 1 times
[2024-11-22 04:18:46,709 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:18:46,710 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103976474]
[2024-11-22 04:18:46,711 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:46,711 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:18:47,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:18:47,841 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-22 04:18:47,841 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:18:47,842 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103976474]
[2024-11-22 04:18:47,844 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103976474] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 04:18:47,844 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684609401]
[2024-11-22 04:18:47,845 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:47,845 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 04:18:47,845 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 04:18:47,849 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 04:18:47,850 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-22 04:18:49,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:18:49,085 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2762 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-22 04:18:49,113 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 04:18:49,167 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-22 04:18:49,168 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 04:18:49,168 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684609401] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:18:49,169 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 04:18:49,169 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-22 04:18:49,172 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917421141]
[2024-11-22 04:18:49,172 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:18:49,179 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-22 04:18:49,179 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:18:49,203 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-22 04:18:49,204 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 04:18:49,210 INFO  L87              Difference]: Start difference. First operand  has 1672 states, 1662 states have (on average 1.4969915764139592) internal successors, (2488), 1663 states have internal predecessors, (2488), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand  has 2 states, 2 states have (on average 220.5) internal successors, (441), 2 states have internal predecessors, (441), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-22 04:18:49,303 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:18:49,304 INFO  L93              Difference]: Finished difference Result 3031 states and 4545 transitions.
[2024-11-22 04:18:49,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-22 04:18:49,309 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 220.5) internal successors, (441), 2 states have internal predecessors, (441), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 471
[2024-11-22 04:18:49,310 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:18:49,329 INFO  L225             Difference]: With dead ends: 3031
[2024-11-22 04:18:49,330 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:18:49,339 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 04:18:49,344 INFO  L432           NwaCegarLoop]: 2497 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 04:18:49,346 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2497 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 04:18:49,370 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:18:49,449 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:18:49,454 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4957831325301205) internal successors, (2483), 1660 states have internal predecessors, (2483), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:18:49,461 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2497 transitions.
[2024-11-22 04:18:49,463 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2497 transitions. Word has length 471
[2024-11-22 04:18:49,464 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:18:49,464 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2497 transitions.
[2024-11-22 04:18:49,465 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 220.5) internal successors, (441), 2 states have internal predecessors, (441), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-22 04:18:49,466 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2497 transitions.
[2024-11-22 04:18:49,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 472
[2024-11-22 04:18:49,475 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:18:49,475 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:18:49,503 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-22 04:18:49,679 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-22 04:18:49,680 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:18:49,681 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:18:49,682 INFO  L85        PathProgramCache]: Analyzing trace with hash 1753034470, now seen corresponding path program 1 times
[2024-11-22 04:18:49,682 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:18:49,682 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858931610]
[2024-11-22 04:18:49,682 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:49,682 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:18:50,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:18:52,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:18:52,259 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:18:52,259 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858931610]
[2024-11-22 04:18:52,260 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858931610] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:18:52,261 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:18:52,262 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 04:18:52,262 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043429130]
[2024-11-22 04:18:52,262 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:18:52,263 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 04:18:52,264 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:18:52,266 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 04:18:52,266 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 04:18:52,267 INFO  L87              Difference]: Start difference. First operand 1669 states and 2497 transitions. Second operand  has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:52,692 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:18:52,693 INFO  L93              Difference]: Finished difference Result 3028 states and 4530 transitions.
[2024-11-22 04:18:52,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:18:52,694 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 471
[2024-11-22 04:18:52,696 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:18:52,703 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:18:52,704 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:18:52,707 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:18:52,709 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2126 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2126 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:18:52,711 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2126 Valid, 4648 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:18:52,716 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:18:52,748 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:18:52,751 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4951807228915663) internal successors, (2482), 1660 states have internal predecessors, (2482), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:18:52,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2496 transitions.
[2024-11-22 04:18:52,759 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2496 transitions. Word has length 471
[2024-11-22 04:18:52,762 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:18:52,763 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2496 transitions.
[2024-11-22 04:18:52,764 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:52,764 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2496 transitions.
[2024-11-22 04:18:52,772 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 473
[2024-11-22 04:18:52,772 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:18:52,773 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:18:52,773 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 04:18:52,774 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:18:52,775 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:18:52,775 INFO  L85        PathProgramCache]: Analyzing trace with hash -1362203353, now seen corresponding path program 1 times
[2024-11-22 04:18:52,775 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:18:52,776 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275438154]
[2024-11-22 04:18:52,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:52,776 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:18:53,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:18:54,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:18:54,169 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:18:54,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275438154]
[2024-11-22 04:18:54,169 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275438154] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:18:54,169 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:18:54,170 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:18:54,170 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340357918]
[2024-11-22 04:18:54,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:18:54,171 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:18:54,171 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:18:54,174 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:18:54,175 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:18:54,175 INFO  L87              Difference]: Start difference. First operand 1669 states and 2496 transitions. Second operand  has 5 states, 5 states have (on average 88.0) internal successors, (440), 5 states have internal predecessors, (440), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:54,541 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:18:54,541 INFO  L93              Difference]: Finished difference Result 3208 states and 4797 transitions.
[2024-11-22 04:18:54,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 04:18:54,542 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 88.0) internal successors, (440), 5 states have internal predecessors, (440), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 472
[2024-11-22 04:18:54,543 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:18:54,550 INFO  L225             Difference]: With dead ends: 3208
[2024-11-22 04:18:54,550 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:18:54,553 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-22 04:18:54,554 INFO  L432           NwaCegarLoop]: 2474 mSDtfsCounter, 2637 mSDsluCounter, 4805 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2637 SdHoareTripleChecker+Valid, 7279 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:18:54,555 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2637 Valid, 7279 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:18:54,558 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:18:54,587 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:18:54,590 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4945783132530122) internal successors, (2481), 1660 states have internal predecessors, (2481), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:18:54,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2495 transitions.
[2024-11-22 04:18:54,600 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2495 transitions. Word has length 472
[2024-11-22 04:18:54,601 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:18:54,601 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2495 transitions.
[2024-11-22 04:18:54,601 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 88.0) internal successors, (440), 5 states have internal predecessors, (440), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:54,602 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2495 transitions.
[2024-11-22 04:18:54,610 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 474
[2024-11-22 04:18:54,611 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:18:54,611 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:18:54,612 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 04:18:54,612 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:18:54,612 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:18:54,613 INFO  L85        PathProgramCache]: Analyzing trace with hash 373849498, now seen corresponding path program 1 times
[2024-11-22 04:18:54,614 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:18:54,614 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530006290]
[2024-11-22 04:18:54,614 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:54,614 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:18:55,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:18:55,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:18:55,967 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:18:55,967 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530006290]
[2024-11-22 04:18:55,967 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530006290] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:18:55,968 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:18:55,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:18:55,968 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283204331]
[2024-11-22 04:18:55,971 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:18:55,972 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:18:55,973 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:18:55,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:18:55,974 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:18:55,974 INFO  L87              Difference]: Start difference. First operand 1669 states and 2495 transitions. Second operand  has 5 states, 5 states have (on average 88.2) internal successors, (441), 5 states have internal predecessors, (441), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:56,366 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:18:56,366 INFO  L93              Difference]: Finished difference Result 3028 states and 4526 transitions.
[2024-11-22 04:18:56,367 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:18:56,367 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 88.2) internal successors, (441), 5 states have internal predecessors, (441), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 473
[2024-11-22 04:18:56,368 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:18:56,375 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:18:56,375 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:18:56,378 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:18:56,379 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2475 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2482 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:18:56,380 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2482 Valid, 4659 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:18:56,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:18:56,412 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:18:56,415 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4939759036144578) internal successors, (2480), 1660 states have internal predecessors, (2480), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:18:56,422 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2494 transitions.
[2024-11-22 04:18:56,423 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2494 transitions. Word has length 473
[2024-11-22 04:18:56,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:18:56,424 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2494 transitions.
[2024-11-22 04:18:56,424 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 88.2) internal successors, (441), 5 states have internal predecessors, (441), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:56,424 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2494 transitions.
[2024-11-22 04:18:56,432 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 475
[2024-11-22 04:18:56,432 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:18:56,433 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:18:56,433 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 04:18:56,433 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:18:56,434 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:18:56,434 INFO  L85        PathProgramCache]: Analyzing trace with hash -1154329874, now seen corresponding path program 1 times
[2024-11-22 04:18:56,434 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:18:56,434 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166259794]
[2024-11-22 04:18:56,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:56,435 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:18:56,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:18:57,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:18:57,708 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:18:57,709 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166259794]
[2024-11-22 04:18:57,709 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166259794] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:18:57,709 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:18:57,709 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:18:57,710 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156846593]
[2024-11-22 04:18:57,711 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:18:57,712 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:18:57,712 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:18:57,713 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:18:57,713 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:18:57,714 INFO  L87              Difference]: Start difference. First operand 1669 states and 2494 transitions. Second operand  has 5 states, 5 states have (on average 88.4) internal successors, (442), 5 states have internal predecessors, (442), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:58,147 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:18:58,148 INFO  L93              Difference]: Finished difference Result 3028 states and 4524 transitions.
[2024-11-22 04:18:58,148 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:18:58,149 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 88.4) internal successors, (442), 5 states have internal predecessors, (442), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 474
[2024-11-22 04:18:58,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:18:58,157 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:18:58,158 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:18:58,161 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:18:58,161 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 4690 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4697 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:18:58,162 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4697 Valid, 4648 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:18:58,165 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:18:58,201 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:18:58,205 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4933734939759036) internal successors, (2479), 1660 states have internal predecessors, (2479), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:18:58,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2493 transitions.
[2024-11-22 04:18:58,213 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2493 transitions. Word has length 474
[2024-11-22 04:18:58,214 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:18:58,214 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2493 transitions.
[2024-11-22 04:18:58,215 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 88.4) internal successors, (442), 5 states have internal predecessors, (442), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:58,215 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2493 transitions.
[2024-11-22 04:18:58,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 476
[2024-11-22 04:18:58,225 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:18:58,226 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:18:58,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-22 04:18:58,226 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:18:58,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:18:58,227 INFO  L85        PathProgramCache]: Analyzing trace with hash -1036931775, now seen corresponding path program 1 times
[2024-11-22 04:18:58,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:18:58,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166425376]
[2024-11-22 04:18:58,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:58,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:18:58,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:18:59,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:18:59,364 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:18:59,364 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166425376]
[2024-11-22 04:18:59,364 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166425376] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:18:59,365 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:18:59,365 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:18:59,368 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288199510]
[2024-11-22 04:18:59,368 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:18:59,369 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:18:59,369 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:18:59,370 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:18:59,370 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:18:59,371 INFO  L87              Difference]: Start difference. First operand 1669 states and 2493 transitions. Second operand  has 5 states, 5 states have (on average 88.6) internal successors, (443), 5 states have internal predecessors, (443), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:59,756 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:18:59,756 INFO  L93              Difference]: Finished difference Result 3028 states and 4522 transitions.
[2024-11-22 04:18:59,757 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:18:59,758 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 88.6) internal successors, (443), 5 states have internal predecessors, (443), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 475
[2024-11-22 04:18:59,761 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:18:59,769 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:18:59,769 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:18:59,772 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:18:59,773 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2467 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:18:59,773 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 4659 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:18:59,776 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:18:59,805 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:18:59,809 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4927710843373494) internal successors, (2478), 1660 states have internal predecessors, (2478), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:18:59,816 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2492 transitions.
[2024-11-22 04:18:59,817 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2492 transitions. Word has length 475
[2024-11-22 04:18:59,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:18:59,818 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2492 transitions.
[2024-11-22 04:18:59,818 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 88.6) internal successors, (443), 5 states have internal predecessors, (443), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:18:59,818 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2492 transitions.
[2024-11-22 04:18:59,821 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 477
[2024-11-22 04:18:59,822 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:18:59,822 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:18:59,822 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-22 04:18:59,823 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:18:59,823 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:18:59,823 INFO  L85        PathProgramCache]: Analyzing trace with hash 1042890805, now seen corresponding path program 1 times
[2024-11-22 04:18:59,823 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:18:59,824 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199273432]
[2024-11-22 04:18:59,824 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:18:59,824 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:00,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:00,884 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:00,885 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:00,885 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199273432]
[2024-11-22 04:19:00,885 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199273432] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:00,885 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:00,885 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:00,886 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918317209]
[2024-11-22 04:19:00,886 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:00,886 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:00,887 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:00,887 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:00,888 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:00,888 INFO  L87              Difference]: Start difference. First operand 1669 states and 2492 transitions. Second operand  has 5 states, 5 states have (on average 88.8) internal successors, (444), 5 states have internal predecessors, (444), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:01,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:01,252 INFO  L93              Difference]: Finished difference Result 3028 states and 4520 transitions.
[2024-11-22 04:19:01,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:01,253 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 88.8) internal successors, (444), 5 states have internal predecessors, (444), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 476
[2024-11-22 04:19:01,254 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:01,260 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:01,261 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:01,264 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:01,264 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 4674 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4681 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:01,265 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4681 Valid, 4648 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:01,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:01,299 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:01,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4921686746987952) internal successors, (2477), 1660 states have internal predecessors, (2477), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:01,307 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2491 transitions.
[2024-11-22 04:19:01,308 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2491 transitions. Word has length 476
[2024-11-22 04:19:01,308 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:01,309 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2491 transitions.
[2024-11-22 04:19:01,309 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 88.8) internal successors, (444), 5 states have internal predecessors, (444), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:01,309 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2491 transitions.
[2024-11-22 04:19:01,316 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 478
[2024-11-22 04:19:01,319 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:01,320 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:01,320 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-22 04:19:01,320 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:01,320 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:01,320 INFO  L85        PathProgramCache]: Analyzing trace with hash 1958296680, now seen corresponding path program 1 times
[2024-11-22 04:19:01,321 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:01,321 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930796403]
[2024-11-22 04:19:01,321 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:01,321 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:01,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:02,273 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:02,274 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:02,274 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930796403]
[2024-11-22 04:19:02,274 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930796403] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:02,274 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:02,275 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:02,275 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557627570]
[2024-11-22 04:19:02,275 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:02,276 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:02,276 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:02,277 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:02,277 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:02,277 INFO  L87              Difference]: Start difference. First operand 1669 states and 2491 transitions. Second operand  has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:02,649 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:02,650 INFO  L93              Difference]: Finished difference Result 3028 states and 4518 transitions.
[2024-11-22 04:19:02,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:02,651 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 477
[2024-11-22 04:19:02,652 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:02,658 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:02,658 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:02,661 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:02,663 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2459 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:02,663 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 4659 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:02,667 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:02,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:02,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.491566265060241) internal successors, (2476), 1660 states have internal predecessors, (2476), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:02,702 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2490 transitions.
[2024-11-22 04:19:02,703 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2490 transitions. Word has length 477
[2024-11-22 04:19:02,703 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:02,704 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2490 transitions.
[2024-11-22 04:19:02,704 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:02,704 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2490 transitions.
[2024-11-22 04:19:02,707 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 479
[2024-11-22 04:19:02,707 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:02,708 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:02,708 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-22 04:19:02,708 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:02,709 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:02,709 INFO  L85        PathProgramCache]: Analyzing trace with hash -791677700, now seen corresponding path program 1 times
[2024-11-22 04:19:02,709 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:02,709 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394156271]
[2024-11-22 04:19:02,709 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:02,709 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:03,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:03,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:03,725 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:03,725 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394156271]
[2024-11-22 04:19:03,725 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394156271] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:03,725 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:03,725 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:03,725 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963182444]
[2024-11-22 04:19:03,725 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:03,726 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:03,726 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:03,727 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:03,728 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:03,730 INFO  L87              Difference]: Start difference. First operand 1669 states and 2490 transitions. Second operand  has 5 states, 5 states have (on average 89.2) internal successors, (446), 5 states have internal predecessors, (446), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:04,086 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:04,087 INFO  L93              Difference]: Finished difference Result 3028 states and 4516 transitions.
[2024-11-22 04:19:04,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:04,089 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 89.2) internal successors, (446), 5 states have internal predecessors, (446), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 478
[2024-11-22 04:19:04,090 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:04,096 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:04,096 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:04,099 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:04,101 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 4658 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4665 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:04,102 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4665 Valid, 4648 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:04,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:04,131 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:04,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4909638554216869) internal successors, (2475), 1660 states have internal predecessors, (2475), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:04,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2489 transitions.
[2024-11-22 04:19:04,140 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2489 transitions. Word has length 478
[2024-11-22 04:19:04,141 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:04,141 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2489 transitions.
[2024-11-22 04:19:04,142 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.2) internal successors, (446), 5 states have internal predecessors, (446), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:04,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2489 transitions.
[2024-11-22 04:19:04,146 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 480
[2024-11-22 04:19:04,146 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:04,147 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:04,147 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-22 04:19:04,147 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:04,148 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:04,148 INFO  L85        PathProgramCache]: Analyzing trace with hash -1456608497, now seen corresponding path program 1 times
[2024-11-22 04:19:04,148 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:04,148 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051218630]
[2024-11-22 04:19:04,148 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:04,148 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:04,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:04,999 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:04,999 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:04,999 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051218630]
[2024-11-22 04:19:05,000 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051218630] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:05,000 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:05,000 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:05,000 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382786301]
[2024-11-22 04:19:05,000 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:05,001 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:05,001 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:05,002 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:05,002 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:05,002 INFO  L87              Difference]: Start difference. First operand 1669 states and 2489 transitions. Second operand  has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:05,461 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:05,461 INFO  L93              Difference]: Finished difference Result 3028 states and 4514 transitions.
[2024-11-22 04:19:05,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:05,462 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 479
[2024-11-22 04:19:05,463 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:05,468 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:05,469 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:05,471 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:05,471 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2451 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:05,472 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2458 Valid, 4659 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-22 04:19:05,475 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:05,497 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:05,504 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4903614457831325) internal successors, (2474), 1660 states have internal predecessors, (2474), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:05,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2488 transitions.
[2024-11-22 04:19:05,515 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2488 transitions. Word has length 479
[2024-11-22 04:19:05,516 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:05,516 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2488 transitions.
[2024-11-22 04:19:05,516 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:05,517 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2488 transitions.
[2024-11-22 04:19:05,523 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 481
[2024-11-22 04:19:05,526 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:05,527 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:05,527 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-22 04:19:05,528 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:05,528 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:05,528 INFO  L85        PathProgramCache]: Analyzing trace with hash 1902326083, now seen corresponding path program 1 times
[2024-11-22 04:19:05,528 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:05,528 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966809035]
[2024-11-22 04:19:05,528 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:05,529 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:05,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:06,455 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:06,455 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:06,455 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966809035]
[2024-11-22 04:19:06,455 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966809035] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:06,455 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:06,456 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:06,456 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998005944]
[2024-11-22 04:19:06,456 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:06,457 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:06,457 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:06,458 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:06,458 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:06,458 INFO  L87              Difference]: Start difference. First operand 1669 states and 2488 transitions. Second operand  has 5 states, 5 states have (on average 89.6) internal successors, (448), 5 states have internal predecessors, (448), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:06,835 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:06,835 INFO  L93              Difference]: Finished difference Result 3028 states and 4512 transitions.
[2024-11-22 04:19:06,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:06,841 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 89.6) internal successors, (448), 5 states have internal predecessors, (448), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 480
[2024-11-22 04:19:06,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:06,852 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:06,852 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:06,855 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:06,856 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 4486 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4493 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:06,856 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4493 Valid, 4648 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:06,859 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:06,886 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:06,889 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4897590361445783) internal successors, (2473), 1660 states have internal predecessors, (2473), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:06,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2487 transitions.
[2024-11-22 04:19:06,894 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2487 transitions. Word has length 480
[2024-11-22 04:19:06,895 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:06,895 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2487 transitions.
[2024-11-22 04:19:06,895 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.6) internal successors, (448), 5 states have internal predecessors, (448), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:06,895 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2487 transitions.
[2024-11-22 04:19:06,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 482
[2024-11-22 04:19:06,899 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:06,899 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:06,899 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-22 04:19:06,900 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:06,900 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:06,901 INFO  L85        PathProgramCache]: Analyzing trace with hash -119633753, now seen corresponding path program 1 times
[2024-11-22 04:19:06,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:06,901 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336175276]
[2024-11-22 04:19:06,901 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:06,901 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:07,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:07,990 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:07,991 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:07,991 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336175276]
[2024-11-22 04:19:07,991 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336175276] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:07,991 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:07,991 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:07,992 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110489443]
[2024-11-22 04:19:07,992 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:07,993 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:07,993 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:07,994 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:07,994 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:07,995 INFO  L87              Difference]: Start difference. First operand 1669 states and 2487 transitions. Second operand  has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:08,379 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:08,379 INFO  L93              Difference]: Finished difference Result 3028 states and 4510 transitions.
[2024-11-22 04:19:08,380 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:08,380 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 481
[2024-11-22 04:19:08,381 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:08,387 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:08,387 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:08,390 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:08,391 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2365 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:08,392 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 4659 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:08,395 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:08,422 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:08,424 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.489156626506024) internal successors, (2472), 1660 states have internal predecessors, (2472), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:08,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2486 transitions.
[2024-11-22 04:19:08,430 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2486 transitions. Word has length 481
[2024-11-22 04:19:08,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:08,430 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2486 transitions.
[2024-11-22 04:19:08,431 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 states have internal predecessors, (449), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:08,431 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2486 transitions.
[2024-11-22 04:19:08,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 483
[2024-11-22 04:19:08,437 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:08,438 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:08,438 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-22 04:19:08,438 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:08,439 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:08,439 INFO  L85        PathProgramCache]: Analyzing trace with hash -433009814, now seen corresponding path program 1 times
[2024-11-22 04:19:08,439 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:08,439 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055381506]
[2024-11-22 04:19:08,440 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:08,440 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:08,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:09,669 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:09,669 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:09,670 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055381506]
[2024-11-22 04:19:09,670 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055381506] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:09,670 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:09,670 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:09,670 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702735320]
[2024-11-22 04:19:09,670 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:09,671 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:09,672 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:09,673 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:09,673 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:09,674 INFO  L87              Difference]: Start difference. First operand 1669 states and 2486 transitions. Second operand  has 5 states, 5 states have (on average 90.0) internal successors, (450), 5 states have internal predecessors, (450), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:10,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:10,081 INFO  L93              Difference]: Finished difference Result 3028 states and 4508 transitions.
[2024-11-22 04:19:10,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:10,083 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 90.0) internal successors, (450), 5 states have internal predecessors, (450), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 482
[2024-11-22 04:19:10,084 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:10,090 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:10,091 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:10,093 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:10,094 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 4470 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:10,095 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 4648 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:10,098 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:10,132 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:10,134 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.48855421686747) internal successors, (2471), 1660 states have internal predecessors, (2471), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:10,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2485 transitions.
[2024-11-22 04:19:10,139 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2485 transitions. Word has length 482
[2024-11-22 04:19:10,140 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:10,140 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2485 transitions.
[2024-11-22 04:19:10,140 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 90.0) internal successors, (450), 5 states have internal predecessors, (450), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:10,141 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2485 transitions.
[2024-11-22 04:19:10,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 484
[2024-11-22 04:19:10,148 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:10,148 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:10,149 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-22 04:19:10,149 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:10,149 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:10,150 INFO  L85        PathProgramCache]: Analyzing trace with hash -724120466, now seen corresponding path program 1 times
[2024-11-22 04:19:10,150 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:10,150 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29014239]
[2024-11-22 04:19:10,150 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:10,150 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:10,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:11,173 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:11,174 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:11,174 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29014239]
[2024-11-22 04:19:11,174 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29014239] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:11,174 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:11,174 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:11,174 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42789821]
[2024-11-22 04:19:11,174 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:11,175 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:11,175 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:11,177 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:11,178 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:11,178 INFO  L87              Difference]: Start difference. First operand 1669 states and 2485 transitions. Second operand  has 5 states, 5 states have (on average 90.2) internal successors, (451), 5 states have internal predecessors, (451), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:11,517 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:11,517 INFO  L93              Difference]: Finished difference Result 3028 states and 4506 transitions.
[2024-11-22 04:19:11,517 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:11,518 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 90.2) internal successors, (451), 5 states have internal predecessors, (451), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 483
[2024-11-22 04:19:11,519 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:11,524 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:11,525 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:11,527 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:11,528 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2357 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:11,528 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2364 Valid, 4659 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:11,531 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:11,552 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:11,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4879518072289157) internal successors, (2470), 1660 states have internal predecessors, (2470), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:11,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2484 transitions.
[2024-11-22 04:19:11,557 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2484 transitions. Word has length 483
[2024-11-22 04:19:11,558 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:11,558 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2484 transitions.
[2024-11-22 04:19:11,559 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 90.2) internal successors, (451), 5 states have internal predecessors, (451), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:11,559 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2484 transitions.
[2024-11-22 04:19:11,562 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 485
[2024-11-22 04:19:11,562 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:11,562 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:11,563 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-22 04:19:11,563 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:11,563 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:11,563 INFO  L85        PathProgramCache]: Analyzing trace with hash 312640785, now seen corresponding path program 1 times
[2024-11-22 04:19:11,564 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:11,564 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207896588]
[2024-11-22 04:19:11,564 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:11,564 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:11,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:12,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:12,480 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:12,480 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207896588]
[2024-11-22 04:19:12,480 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207896588] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:12,480 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:12,481 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:12,481 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178491428]
[2024-11-22 04:19:12,481 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:12,482 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:12,482 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:12,483 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:12,483 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:12,483 INFO  L87              Difference]: Start difference. First operand 1669 states and 2484 transitions. Second operand  has 5 states, 5 states have (on average 90.4) internal successors, (452), 5 states have internal predecessors, (452), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:12,801 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:12,802 INFO  L93              Difference]: Finished difference Result 3028 states and 4504 transitions.
[2024-11-22 04:19:12,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:12,803 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 90.4) internal successors, (452), 5 states have internal predecessors, (452), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 484
[2024-11-22 04:19:12,804 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:12,818 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:12,818 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:12,821 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:12,822 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2353 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:12,822 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 4659 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:12,825 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:12,847 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:12,850 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4873493975903616) internal successors, (2469), 1660 states have internal predecessors, (2469), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:12,853 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2483 transitions.
[2024-11-22 04:19:12,854 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2483 transitions. Word has length 484
[2024-11-22 04:19:12,855 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:12,855 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2483 transitions.
[2024-11-22 04:19:12,855 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 90.4) internal successors, (452), 5 states have internal predecessors, (452), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:12,855 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2483 transitions.
[2024-11-22 04:19:12,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 486
[2024-11-22 04:19:12,859 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:12,859 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:12,860 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-22 04:19:12,860 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:12,860 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:12,861 INFO  L85        PathProgramCache]: Analyzing trace with hash 1209112501, now seen corresponding path program 1 times
[2024-11-22 04:19:12,861 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:12,861 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598900482]
[2024-11-22 04:19:12,861 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:12,861 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:13,140 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:13,800 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:13,801 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:13,801 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598900482]
[2024-11-22 04:19:13,801 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598900482] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:13,801 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:13,801 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:13,801 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074727316]
[2024-11-22 04:19:13,802 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:13,802 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:13,803 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:13,803 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:13,804 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:13,804 INFO  L87              Difference]: Start difference. First operand 1669 states and 2483 transitions. Second operand  has 5 states, 5 states have (on average 90.6) internal successors, (453), 5 states have internal predecessors, (453), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:14,108 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:14,109 INFO  L93              Difference]: Finished difference Result 3028 states and 4502 transitions.
[2024-11-22 04:19:14,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:14,110 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 90.6) internal successors, (453), 5 states have internal predecessors, (453), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 485
[2024-11-22 04:19:14,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:14,115 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:14,115 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:14,118 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:14,119 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 2346 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 4659 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:14,119 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 4659 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 04:19:14,123 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:14,144 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:14,147 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4867469879518072) internal successors, (2468), 1660 states have internal predecessors, (2468), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:14,149 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2482 transitions.
[2024-11-22 04:19:14,149 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2482 transitions. Word has length 485
[2024-11-22 04:19:14,150 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:14,150 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2482 transitions.
[2024-11-22 04:19:14,151 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 90.6) internal successors, (453), 5 states have internal predecessors, (453), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:14,151 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2482 transitions.
[2024-11-22 04:19:14,154 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 487
[2024-11-22 04:19:14,154 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:14,154 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:14,154 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-22 04:19:14,155 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:14,155 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:14,155 INFO  L85        PathProgramCache]: Analyzing trace with hash -144149775, now seen corresponding path program 1 times
[2024-11-22 04:19:14,155 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:14,156 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007501892]
[2024-11-22 04:19:14,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:14,156 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:14,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:14,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:14,926 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:14,926 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007501892]
[2024-11-22 04:19:14,926 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007501892] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:14,926 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:14,927 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:14,927 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406309629]
[2024-11-22 04:19:14,927 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:14,928 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:14,928 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:14,929 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:14,929 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:14,929 INFO  L87              Difference]: Start difference. First operand 1669 states and 2482 transitions. Second operand  has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:15,177 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:15,177 INFO  L93              Difference]: Finished difference Result 3028 states and 4500 transitions.
[2024-11-22 04:19:15,178 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:15,178 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 486
[2024-11-22 04:19:15,179 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:15,182 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:15,182 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:15,185 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:15,185 INFO  L432           NwaCegarLoop]: 2323 mSDtfsCounter, 4432 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4439 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:15,186 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4439 Valid, 4648 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-22 04:19:15,188 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:15,209 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:15,211 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.486144578313253) internal successors, (2467), 1660 states have internal predecessors, (2467), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:15,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2481 transitions.
[2024-11-22 04:19:15,215 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2481 transitions. Word has length 486
[2024-11-22 04:19:15,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:15,216 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2481 transitions.
[2024-11-22 04:19:15,216 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:15,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2481 transitions.
[2024-11-22 04:19:15,219 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 488
[2024-11-22 04:19:15,220 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:15,220 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:15,220 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-22 04:19:15,221 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:15,221 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:15,221 INFO  L85        PathProgramCache]: Analyzing trace with hash -266457554, now seen corresponding path program 1 times
[2024-11-22 04:19:15,221 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:15,221 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583285782]
[2024-11-22 04:19:15,222 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:15,222 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:15,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:16,407 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:16,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:16,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583285782]
[2024-11-22 04:19:16,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583285782] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:16,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:16,408 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 04:19:16,408 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905377167]
[2024-11-22 04:19:16,408 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:16,409 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 04:19:16,409 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:16,410 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 04:19:16,410 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 04:19:16,411 INFO  L87              Difference]: Start difference. First operand 1669 states and 2481 transitions. Second operand  has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:16,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:16,650 INFO  L93              Difference]: Finished difference Result 3028 states and 4498 transitions.
[2024-11-22 04:19:16,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:16,652 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 487
[2024-11-22 04:19:16,652 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:16,656 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:16,660 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:16,663 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:16,663 INFO  L432           NwaCegarLoop]: 2387 mSDtfsCounter, 2118 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2118 SdHoareTripleChecker+Valid, 4776 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:16,663 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2118 Valid, 4776 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-22 04:19:16,666 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:16,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:16,688 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4855421686746988) internal successors, (2466), 1660 states have internal predecessors, (2466), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:16,692 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2480 transitions.
[2024-11-22 04:19:16,692 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2480 transitions. Word has length 487
[2024-11-22 04:19:16,693 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:16,693 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2480 transitions.
[2024-11-22 04:19:16,694 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:16,694 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2480 transitions.
[2024-11-22 04:19:16,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 489
[2024-11-22 04:19:16,698 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:16,698 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:16,699 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-22 04:19:16,699 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:16,700 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:16,701 INFO  L85        PathProgramCache]: Analyzing trace with hash 242266719, now seen corresponding path program 1 times
[2024-11-22 04:19:16,701 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:16,701 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326136912]
[2024-11-22 04:19:16,701 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:16,701 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:17,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:17,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:17,588 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:17,588 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326136912]
[2024-11-22 04:19:17,589 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326136912] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:17,589 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:17,589 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:17,589 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977484957]
[2024-11-22 04:19:17,589 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:17,589 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:17,590 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:17,592 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:17,592 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:17,592 INFO  L87              Difference]: Start difference. First operand 1669 states and 2480 transitions. Second operand  has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:17,782 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:17,782 INFO  L93              Difference]: Finished difference Result 3208 states and 4757 transitions.
[2024-11-22 04:19:17,783 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 04:19:17,783 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 488
[2024-11-22 04:19:17,784 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:17,787 INFO  L225             Difference]: With dead ends: 3208
[2024-11-22 04:19:17,787 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:17,789 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-22 04:19:17,790 INFO  L432           NwaCegarLoop]: 2466 mSDtfsCounter, 2629 mSDsluCounter, 4861 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 7327 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:17,790 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 7327 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:17,793 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:17,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:17,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4849397590361446) internal successors, (2465), 1660 states have internal predecessors, (2465), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:17,818 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2479 transitions.
[2024-11-22 04:19:17,818 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2479 transitions. Word has length 488
[2024-11-22 04:19:17,819 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:17,819 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2479 transitions.
[2024-11-22 04:19:17,820 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:17,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2479 transitions.
[2024-11-22 04:19:17,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 490
[2024-11-22 04:19:17,823 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:17,823 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:17,824 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-22 04:19:17,824 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:17,824 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:17,824 INFO  L85        PathProgramCache]: Analyzing trace with hash -1729109834, now seen corresponding path program 1 times
[2024-11-22 04:19:17,825 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:17,825 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968845987]
[2024-11-22 04:19:17,825 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:17,825 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:18,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:18,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:18,477 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:18,478 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968845987]
[2024-11-22 04:19:18,478 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968845987] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:18,478 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:18,478 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:18,478 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265925677]
[2024-11-22 04:19:18,478 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:18,479 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:18,479 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:18,480 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:18,480 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:18,480 INFO  L87              Difference]: Start difference. First operand 1669 states and 2479 transitions. Second operand  has 5 states, 5 states have (on average 91.4) internal successors, (457), 5 states have internal predecessors, (457), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:18,651 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:18,652 INFO  L93              Difference]: Finished difference Result 3028 states and 4494 transitions.
[2024-11-22 04:19:18,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:18,653 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 91.4) internal successors, (457), 5 states have internal predecessors, (457), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 489
[2024-11-22 04:19:18,653 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:18,656 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:18,656 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:18,657 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:18,658 INFO  L432           NwaCegarLoop]: 2387 mSDtfsCounter, 4674 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4681 SdHoareTripleChecker+Valid, 4776 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:18,658 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4681 Valid, 4776 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:18,660 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:18,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:18,688 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4843373493975904) internal successors, (2464), 1660 states have internal predecessors, (2464), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:18,690 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2478 transitions.
[2024-11-22 04:19:18,691 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2478 transitions. Word has length 489
[2024-11-22 04:19:18,692 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:18,692 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2478 transitions.
[2024-11-22 04:19:18,692 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 91.4) internal successors, (457), 5 states have internal predecessors, (457), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:18,692 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2478 transitions.
[2024-11-22 04:19:18,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 491
[2024-11-22 04:19:18,695 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:18,696 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:18,696 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-22 04:19:18,696 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:18,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:18,697 INFO  L85        PathProgramCache]: Analyzing trace with hash 680677286, now seen corresponding path program 1 times
[2024-11-22 04:19:18,697 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:18,697 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692414996]
[2024-11-22 04:19:18,697 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:18,698 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:18,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:19,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:19,727 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:19,727 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692414996]
[2024-11-22 04:19:19,727 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692414996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:19,727 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:19,727 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:19,728 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808304507]
[2024-11-22 04:19:19,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:19,728 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:19,729 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:19,729 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:19,730 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:19,730 INFO  L87              Difference]: Start difference. First operand 1669 states and 2478 transitions. Second operand  has 5 states, 5 states have (on average 91.6) internal successors, (458), 5 states have internal predecessors, (458), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:19,915 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:19,915 INFO  L93              Difference]: Finished difference Result 3028 states and 4492 transitions.
[2024-11-22 04:19:19,916 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:19,916 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 91.6) internal successors, (458), 5 states have internal predecessors, (458), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 490
[2024-11-22 04:19:19,917 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:19,919 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:19,919 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:19,922 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:19,923 INFO  L432           NwaCegarLoop]: 2387 mSDtfsCounter, 2455 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 4787 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:19,923 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 4787 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:19,926 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:19,953 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:19,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4837349397590363) internal successors, (2463), 1660 states have internal predecessors, (2463), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:19,959 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2477 transitions.
[2024-11-22 04:19:19,960 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2477 transitions. Word has length 490
[2024-11-22 04:19:19,961 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:19,961 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2477 transitions.
[2024-11-22 04:19:19,961 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 91.6) internal successors, (458), 5 states have internal predecessors, (458), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:19,962 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2477 transitions.
[2024-11-22 04:19:19,967 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 492
[2024-11-22 04:19:19,967 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:19,968 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:19,968 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-22 04:19:19,968 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:19,969 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:19,969 INFO  L85        PathProgramCache]: Analyzing trace with hash 759758557, now seen corresponding path program 1 times
[2024-11-22 04:19:19,969 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:19,969 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083282636]
[2024-11-22 04:19:19,969 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:19,970 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:20,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:20,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:20,868 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:20,869 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083282636]
[2024-11-22 04:19:20,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083282636] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:20,869 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:20,869 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:20,869 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401471439]
[2024-11-22 04:19:20,869 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:20,870 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:20,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:20,871 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:20,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:20,871 INFO  L87              Difference]: Start difference. First operand 1669 states and 2477 transitions. Second operand  has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:21,060 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:21,061 INFO  L93              Difference]: Finished difference Result 3028 states and 4490 transitions.
[2024-11-22 04:19:21,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:21,063 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 491
[2024-11-22 04:19:21,063 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:21,067 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:21,067 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:21,070 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:21,070 INFO  L432           NwaCegarLoop]: 2387 mSDtfsCounter, 2451 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 4787 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:21,070 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2458 Valid, 4787 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:21,073 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:21,091 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:21,093 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4831325301204819) internal successors, (2462), 1660 states have internal predecessors, (2462), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:21,095 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2476 transitions.
[2024-11-22 04:19:21,095 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2476 transitions. Word has length 491
[2024-11-22 04:19:21,096 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:21,096 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2476 transitions.
[2024-11-22 04:19:21,096 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:21,097 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2476 transitions.
[2024-11-22 04:19:21,100 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 493
[2024-11-22 04:19:21,100 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:21,100 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:21,100 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-22 04:19:21,101 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:21,101 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:21,101 INFO  L85        PathProgramCache]: Analyzing trace with hash -1983687571, now seen corresponding path program 1 times
[2024-11-22 04:19:21,101 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:21,101 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919145141]
[2024-11-22 04:19:21,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:21,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:21,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:21,832 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:21,832 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:21,832 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919145141]
[2024-11-22 04:19:21,832 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919145141] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:21,832 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:21,833 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:21,833 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415447339]
[2024-11-22 04:19:21,833 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:21,833 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:21,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:21,834 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:21,834 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:21,835 INFO  L87              Difference]: Start difference. First operand 1669 states and 2476 transitions. Second operand  has 5 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:21,992 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:21,992 INFO  L93              Difference]: Finished difference Result 3028 states and 4488 transitions.
[2024-11-22 04:19:21,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:21,993 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 492
[2024-11-22 04:19:21,993 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:21,995 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:21,996 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:21,997 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:21,997 INFO  L432           NwaCegarLoop]: 2387 mSDtfsCounter, 4462 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4469 SdHoareTripleChecker+Valid, 4776 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:21,997 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4469 Valid, 4776 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:21,999 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:22,013 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:22,015 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4825301204819277) internal successors, (2461), 1660 states have internal predecessors, (2461), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:22,017 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2475 transitions.
[2024-11-22 04:19:22,018 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2475 transitions. Word has length 492
[2024-11-22 04:19:22,018 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:22,018 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2475 transitions.
[2024-11-22 04:19:22,019 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 92.0) internal successors, (460), 5 states have internal predecessors, (460), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:22,019 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2475 transitions.
[2024-11-22 04:19:22,022 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 494
[2024-11-22 04:19:22,022 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:22,022 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:22,022 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-22 04:19:22,022 INFO  L396      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:22,023 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:22,023 INFO  L85        PathProgramCache]: Analyzing trace with hash -1103637415, now seen corresponding path program 1 times
[2024-11-22 04:19:22,023 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:22,023 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934419306]
[2024-11-22 04:19:22,024 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:22,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:22,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:22,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:22,913 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:22,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934419306]
[2024-11-22 04:19:22,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934419306] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:22,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:22,913 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:22,913 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601191469]
[2024-11-22 04:19:22,913 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:22,914 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:22,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:22,915 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:22,915 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:22,915 INFO  L87              Difference]: Start difference. First operand 1669 states and 2475 transitions. Second operand  has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:23,065 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:23,065 INFO  L93              Difference]: Finished difference Result 3028 states and 4486 transitions.
[2024-11-22 04:19:23,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:23,066 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 493
[2024-11-22 04:19:23,067 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:23,070 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:23,070 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:23,072 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:23,073 INFO  L432           NwaCegarLoop]: 2387 mSDtfsCounter, 2346 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 4787 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:23,073 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 4787 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:23,075 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:23,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:23,094 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4819277108433735) internal successors, (2460), 1660 states have internal predecessors, (2460), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:23,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2474 transitions.
[2024-11-22 04:19:23,096 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2474 transitions. Word has length 493
[2024-11-22 04:19:23,096 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:23,097 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2474 transitions.
[2024-11-22 04:19:23,097 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 92.2) internal successors, (461), 5 states have internal predecessors, (461), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:23,097 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2474 transitions.
[2024-11-22 04:19:23,100 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 495
[2024-11-22 04:19:23,100 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:23,101 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:23,101 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-22 04:19:23,101 INFO  L396      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:23,101 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:23,102 INFO  L85        PathProgramCache]: Analyzing trace with hash 106482509, now seen corresponding path program 1 times
[2024-11-22 04:19:23,102 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:23,102 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177781683]
[2024-11-22 04:19:23,102 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:23,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:23,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:23,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:23,758 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:23,758 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177781683]
[2024-11-22 04:19:23,758 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177781683] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:23,758 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:23,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:23,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719156405]
[2024-11-22 04:19:23,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:23,759 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:23,759 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:23,760 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:23,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:23,760 INFO  L87              Difference]: Start difference. First operand 1669 states and 2474 transitions. Second operand  has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:23,909 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:23,909 INFO  L93              Difference]: Finished difference Result 3028 states and 4484 transitions.
[2024-11-22 04:19:23,910 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:23,910 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 494
[2024-11-22 04:19:23,911 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:23,913 INFO  L225             Difference]: With dead ends: 3028
[2024-11-22 04:19:23,913 INFO  L226             Difference]: Without dead ends: 1669
[2024-11-22 04:19:23,915 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:23,916 INFO  L432           NwaCegarLoop]: 2387 mSDtfsCounter, 2342 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 4787 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:23,916 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2349 Valid, 4787 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:23,918 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1669 states.
[2024-11-22 04:19:23,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669.
[2024-11-22 04:19:23,936 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1669 states, 1660 states have (on average 1.4813253012048193) internal successors, (2459), 1660 states have internal predecessors, (2459), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:23,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2473 transitions.
[2024-11-22 04:19:23,939 INFO  L78                 Accepts]: Start accepts. Automaton has 1669 states and 2473 transitions. Word has length 494
[2024-11-22 04:19:23,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:23,939 INFO  L471      AbstractCegarLoop]: Abstraction has 1669 states and 2473 transitions.
[2024-11-22 04:19:23,940 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:23,940 INFO  L276                IsEmpty]: Start isEmpty. Operand 1669 states and 2473 transitions.
[2024-11-22 04:19:23,943 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 496
[2024-11-22 04:19:23,943 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:23,943 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:23,944 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-22 04:19:23,944 INFO  L396      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:23,944 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:23,944 INFO  L85        PathProgramCache]: Analyzing trace with hash 2102970066, now seen corresponding path program 1 times
[2024-11-22 04:19:23,944 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:23,945 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007714680]
[2024-11-22 04:19:23,945 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:23,945 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:24,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:25,037 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:25,037 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:25,037 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007714680]
[2024-11-22 04:19:25,037 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007714680] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:25,037 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:25,038 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 04:19:25,038 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252767436]
[2024-11-22 04:19:25,038 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:25,038 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 04:19:25,038 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:25,040 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 04:19:25,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 04:19:25,041 INFO  L87              Difference]: Start difference. First operand 1669 states and 2473 transitions. Second operand  has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:25,081 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:25,082 INFO  L93              Difference]: Finished difference Result 1673 states and 2477 transitions.
[2024-11-22 04:19:25,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:25,083 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 495
[2024-11-22 04:19:25,084 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:25,087 INFO  L225             Difference]: With dead ends: 1673
[2024-11-22 04:19:25,087 INFO  L226             Difference]: Without dead ends: 1671
[2024-11-22 04:19:25,088 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 04:19:25,089 INFO  L432           NwaCegarLoop]: 2471 mSDtfsCounter, 0 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:25,090 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 04:19:25,093 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1671 states.
[2024-11-22 04:19:25,120 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671.
[2024-11-22 04:19:25,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1662 states have (on average 1.4807460890493382) internal successors, (2461), 1662 states have internal predecessors, (2461), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:25,125 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2475 transitions.
[2024-11-22 04:19:25,126 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2475 transitions. Word has length 495
[2024-11-22 04:19:25,126 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:25,126 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2475 transitions.
[2024-11-22 04:19:25,127 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 115.75) internal successors, (463), 4 states have internal predecessors, (463), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:25,127 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2475 transitions.
[2024-11-22 04:19:25,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 497
[2024-11-22 04:19:25,132 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:25,132 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:25,132 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-22 04:19:25,132 INFO  L396      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:25,133 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:25,133 INFO  L85        PathProgramCache]: Analyzing trace with hash 769260529, now seen corresponding path program 1 times
[2024-11-22 04:19:25,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:25,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378105750]
[2024-11-22 04:19:25,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:25,134 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:25,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:26,308 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:26,308 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:26,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378105750]
[2024-11-22 04:19:26,308 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378105750] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:26,308 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:26,309 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:26,309 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382260232]
[2024-11-22 04:19:26,309 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:26,309 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:26,310 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:26,310 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:26,310 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:26,311 INFO  L87              Difference]: Start difference. First operand 1671 states and 2475 transitions. Second operand  has 5 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:27,164 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:27,165 INFO  L93              Difference]: Finished difference Result 4175 states and 6175 transitions.
[2024-11-22 04:19:27,165 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-22 04:19:27,165 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 496
[2024-11-22 04:19:27,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:27,169 INFO  L225             Difference]: With dead ends: 4175
[2024-11-22 04:19:27,169 INFO  L226             Difference]: Without dead ends: 1671
[2024-11-22 04:19:27,174 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-22 04:19:27,174 INFO  L432           NwaCegarLoop]: 2521 mSDtfsCounter, 4976 mSDsluCounter, 4462 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 6983 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:27,175 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 6983 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-22 04:19:27,177 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1671 states.
[2024-11-22 04:19:27,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671.
[2024-11-22 04:19:27,202 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1662 states have (on average 1.48014440433213) internal successors, (2460), 1662 states have internal predecessors, (2460), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:27,207 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2474 transitions.
[2024-11-22 04:19:27,208 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2474 transitions. Word has length 496
[2024-11-22 04:19:27,208 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:27,208 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2474 transitions.
[2024-11-22 04:19:27,208 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 92.8) internal successors, (464), 5 states have internal predecessors, (464), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:27,209 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2474 transitions.
[2024-11-22 04:19:27,211 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 498
[2024-11-22 04:19:27,212 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:27,212 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:27,212 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-11-22 04:19:27,212 INFO  L396      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:27,213 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:27,213 INFO  L85        PathProgramCache]: Analyzing trace with hash -768138349, now seen corresponding path program 1 times
[2024-11-22 04:19:27,213 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:27,213 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815006645]
[2024-11-22 04:19:27,213 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:27,213 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:27,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:28,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:28,166 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:28,166 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815006645]
[2024-11-22 04:19:28,166 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815006645] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:28,166 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:28,167 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:28,167 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764203265]
[2024-11-22 04:19:28,167 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:28,167 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:28,167 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:28,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:28,169 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:28,169 INFO  L87              Difference]: Start difference. First operand 1671 states and 2474 transitions. Second operand  has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:28,865 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:28,865 INFO  L93              Difference]: Finished difference Result 3032 states and 4484 transitions.
[2024-11-22 04:19:28,866 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:28,866 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 497
[2024-11-22 04:19:28,866 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:28,870 INFO  L225             Difference]: With dead ends: 3032
[2024-11-22 04:19:28,870 INFO  L226             Difference]: Without dead ends: 1671
[2024-11-22 04:19:28,872 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:28,872 INFO  L432           NwaCegarLoop]: 1919 mSDtfsCounter, 4458 mSDsluCounter, 1921 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 3840 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:28,872 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4465 Valid, 3840 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-22 04:19:28,875 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1671 states.
[2024-11-22 04:19:28,898 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671.
[2024-11-22 04:19:28,900 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1671 states, 1662 states have (on average 1.4795427196149218) internal successors, (2459), 1662 states have internal predecessors, (2459), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:28,902 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2473 transitions.
[2024-11-22 04:19:28,903 INFO  L78                 Accepts]: Start accepts. Automaton has 1671 states and 2473 transitions. Word has length 497
[2024-11-22 04:19:28,903 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:28,903 INFO  L471      AbstractCegarLoop]: Abstraction has 1671 states and 2473 transitions.
[2024-11-22 04:19:28,904 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 93.0) internal successors, (465), 5 states have internal predecessors, (465), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:28,904 INFO  L276                IsEmpty]: Start isEmpty. Operand 1671 states and 2473 transitions.
[2024-11-22 04:19:28,907 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 499
[2024-11-22 04:19:28,907 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:28,907 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:28,907 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-11-22 04:19:28,908 INFO  L396      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:28,908 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:28,908 INFO  L85        PathProgramCache]: Analyzing trace with hash -446019450, now seen corresponding path program 1 times
[2024-11-22 04:19:28,909 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:28,909 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60062226]
[2024-11-22 04:19:28,909 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:28,909 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:29,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:29,713 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:29,714 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:29,714 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60062226]
[2024-11-22 04:19:29,714 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60062226] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:29,714 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:29,715 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 04:19:29,715 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449238201]
[2024-11-22 04:19:29,715 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:29,716 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 04:19:29,716 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:29,716 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 04:19:29,717 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 04:19:29,717 INFO  L87              Difference]: Start difference. First operand 1671 states and 2473 transitions. Second operand  has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:29,758 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:29,758 INFO  L93              Difference]: Finished difference Result 3034 states and 4485 transitions.
[2024-11-22 04:19:29,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:29,759 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 498
[2024-11-22 04:19:29,760 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:29,762 INFO  L225             Difference]: With dead ends: 3034
[2024-11-22 04:19:29,762 INFO  L226             Difference]: Without dead ends: 1673
[2024-11-22 04:19:29,764 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
[2024-11-22 04:19:29,764 INFO  L432           NwaCegarLoop]: 2469 mSDtfsCounter, 0 mSDsluCounter, 4928 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7397 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:29,765 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7397 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 04:19:29,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1673 states.
[2024-11-22 04:19:29,783 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673.
[2024-11-22 04:19:29,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1673 states, 1664 states have (on average 1.4789663461538463) internal successors, (2461), 1664 states have internal predecessors, (2461), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:29,787 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2475 transitions.
[2024-11-22 04:19:29,787 INFO  L78                 Accepts]: Start accepts. Automaton has 1673 states and 2475 transitions. Word has length 498
[2024-11-22 04:19:29,788 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:29,788 INFO  L471      AbstractCegarLoop]: Abstraction has 1673 states and 2475 transitions.
[2024-11-22 04:19:29,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:29,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 1673 states and 2475 transitions.
[2024-11-22 04:19:29,791 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 500
[2024-11-22 04:19:29,791 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:29,791 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:29,791 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-22 04:19:29,792 INFO  L396      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:29,792 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:29,792 INFO  L85        PathProgramCache]: Analyzing trace with hash -2039664234, now seen corresponding path program 1 times
[2024-11-22 04:19:29,792 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:29,793 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921035652]
[2024-11-22 04:19:29,793 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:29,793 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:30,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:31,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:31,027 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:31,027 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921035652]
[2024-11-22 04:19:31,027 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921035652] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:31,027 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:31,027 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 04:19:31,027 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133074094]
[2024-11-22 04:19:31,027 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:31,028 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 04:19:31,028 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:31,028 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 04:19:31,029 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 04:19:31,029 INFO  L87              Difference]: Start difference. First operand 1673 states and 2475 transitions. Second operand  has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:31,144 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:31,144 INFO  L93              Difference]: Finished difference Result 3035 states and 4485 transitions.
[2024-11-22 04:19:31,145 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:31,145 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 499
[2024-11-22 04:19:31,146 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:31,148 INFO  L225             Difference]: With dead ends: 3035
[2024-11-22 04:19:31,148 INFO  L226             Difference]: Without dead ends: 1672
[2024-11-22 04:19:31,150 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:31,151 INFO  L432           NwaCegarLoop]: 2417 mSDtfsCounter, 2103 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2103 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:31,151 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2103 Valid, 4836 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:31,153 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1672 states.
[2024-11-22 04:19:31,174 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672.
[2024-11-22 04:19:31,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1672 states, 1663 states have (on average 1.4780517137702947) internal successors, (2458), 1663 states have internal predecessors, (2458), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:31,179 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2472 transitions.
[2024-11-22 04:19:31,179 INFO  L78                 Accepts]: Start accepts. Automaton has 1672 states and 2472 transitions. Word has length 499
[2024-11-22 04:19:31,180 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:31,180 INFO  L471      AbstractCegarLoop]: Abstraction has 1672 states and 2472 transitions.
[2024-11-22 04:19:31,180 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:31,180 INFO  L276                IsEmpty]: Start isEmpty. Operand 1672 states and 2472 transitions.
[2024-11-22 04:19:31,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 501
[2024-11-22 04:19:31,183 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:31,184 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:31,184 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-11-22 04:19:31,184 INFO  L396      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:31,184 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:31,185 INFO  L85        PathProgramCache]: Analyzing trace with hash 535761915, now seen corresponding path program 1 times
[2024-11-22 04:19:31,185 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:31,185 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461821851]
[2024-11-22 04:19:31,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:31,185 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:31,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:32,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:32,101 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:32,101 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461821851]
[2024-11-22 04:19:32,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461821851] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:32,101 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:32,101 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:32,102 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224273793]
[2024-11-22 04:19:32,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:32,103 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:32,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:32,104 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:32,104 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:32,104 INFO  L87              Difference]: Start difference. First operand 1672 states and 2472 transitions. Second operand  has 5 states, 5 states have (on average 93.6) internal successors, (468), 5 states have internal predecessors, (468), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:32,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:32,234 INFO  L93              Difference]: Finished difference Result 3218 states and 4742 transitions.
[2024-11-22 04:19:32,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 04:19:32,235 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 93.6) internal successors, (468), 5 states have internal predecessors, (468), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 500
[2024-11-22 04:19:32,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:32,238 INFO  L225             Difference]: With dead ends: 3218
[2024-11-22 04:19:32,238 INFO  L226             Difference]: Without dead ends: 1672
[2024-11-22 04:19:32,240 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-22 04:19:32,241 INFO  L432           NwaCegarLoop]: 2456 mSDtfsCounter, 2621 mSDsluCounter, 4881 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 7337 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:32,241 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 7337 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:32,243 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1672 states.
[2024-11-22 04:19:32,259 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672.
[2024-11-22 04:19:32,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1672 states, 1663 states have (on average 1.4774503908598917) internal successors, (2457), 1663 states have internal predecessors, (2457), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:32,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2471 transitions.
[2024-11-22 04:19:32,263 INFO  L78                 Accepts]: Start accepts. Automaton has 1672 states and 2471 transitions. Word has length 500
[2024-11-22 04:19:32,263 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:32,263 INFO  L471      AbstractCegarLoop]: Abstraction has 1672 states and 2471 transitions.
[2024-11-22 04:19:32,264 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 93.6) internal successors, (468), 5 states have internal predecessors, (468), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:32,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 1672 states and 2471 transitions.
[2024-11-22 04:19:32,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 502
[2024-11-22 04:19:32,267 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:32,267 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:32,268 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-11-22 04:19:32,268 INFO  L396      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:32,268 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:32,268 INFO  L85        PathProgramCache]: Analyzing trace with hash -778042602, now seen corresponding path program 1 times
[2024-11-22 04:19:32,268 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:32,269 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607747083]
[2024-11-22 04:19:32,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:32,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:32,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:33,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:33,211 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:33,211 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607747083]
[2024-11-22 04:19:33,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607747083] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:33,211 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:33,211 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:33,211 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327157641]
[2024-11-22 04:19:33,211 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:33,212 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:33,212 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:33,213 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:33,213 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:33,213 INFO  L87              Difference]: Start difference. First operand 1672 states and 2471 transitions. Second operand  has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:33,336 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:33,336 INFO  L93              Difference]: Finished difference Result 3034 states and 4478 transitions.
[2024-11-22 04:19:33,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:33,337 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 501
[2024-11-22 04:19:33,338 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:33,339 INFO  L225             Difference]: With dead ends: 3034
[2024-11-22 04:19:33,339 INFO  L226             Difference]: Without dead ends: 1672
[2024-11-22 04:19:33,341 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:33,341 INFO  L432           NwaCegarLoop]: 2417 mSDtfsCounter, 2447 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:33,341 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 4847 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:33,343 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1672 states.
[2024-11-22 04:19:33,359 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672.
[2024-11-22 04:19:33,361 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1672 states, 1663 states have (on average 1.4768490679494888) internal successors, (2456), 1663 states have internal predecessors, (2456), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:33,363 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2470 transitions.
[2024-11-22 04:19:33,364 INFO  L78                 Accepts]: Start accepts. Automaton has 1672 states and 2470 transitions. Word has length 501
[2024-11-22 04:19:33,364 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:33,364 INFO  L471      AbstractCegarLoop]: Abstraction has 1672 states and 2470 transitions.
[2024-11-22 04:19:33,364 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 93.8) internal successors, (469), 5 states have internal predecessors, (469), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:33,364 INFO  L276                IsEmpty]: Start isEmpty. Operand 1672 states and 2470 transitions.
[2024-11-22 04:19:33,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 503
[2024-11-22 04:19:33,368 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:33,368 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:33,368 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-11-22 04:19:33,369 INFO  L396      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:33,369 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:33,369 INFO  L85        PathProgramCache]: Analyzing trace with hash -668784108, now seen corresponding path program 1 times
[2024-11-22 04:19:33,369 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:33,369 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046469793]
[2024-11-22 04:19:33,370 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:33,370 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 04:19:33,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 04:19:34,270 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-22 04:19:34,270 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 04:19:34,270 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046469793]
[2024-11-22 04:19:34,270 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046469793] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 04:19:34,270 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 04:19:34,270 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 04:19:34,270 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860168669]
[2024-11-22 04:19:34,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 04:19:34,271 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 04:19:34,271 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 04:19:34,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 04:19:34,272 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 04:19:34,273 INFO  L87              Difference]: Start difference. First operand 1672 states and 2470 transitions. Second operand  has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:34,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 04:19:34,409 INFO  L93              Difference]: Finished difference Result 3034 states and 4476 transitions.
[2024-11-22 04:19:34,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 04:19:34,410 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 502
[2024-11-22 04:19:34,411 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 04:19:34,413 INFO  L225             Difference]: With dead ends: 3034
[2024-11-22 04:19:34,413 INFO  L226             Difference]: Without dead ends: 1672
[2024-11-22 04:19:34,415 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 04:19:34,419 INFO  L432           NwaCegarLoop]: 2417 mSDtfsCounter, 4439 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4446 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 04:19:34,419 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4446 Valid, 4836 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 04:19:34,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1672 states.
[2024-11-22 04:19:34,438 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672.
[2024-11-22 04:19:34,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1672 states, 1663 states have (on average 1.476247745039086) internal successors, (2455), 1663 states have internal predecessors, (2455), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-22 04:19:34,442 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2469 transitions.
[2024-11-22 04:19:34,444 INFO  L78                 Accepts]: Start accepts. Automaton has 1672 states and 2469 transitions. Word has length 502
[2024-11-22 04:19:34,444 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 04:19:34,444 INFO  L471      AbstractCegarLoop]: Abstraction has 1672 states and 2469 transitions.
[2024-11-22 04:19:34,445 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-22 04:19:34,445 INFO  L276                IsEmpty]: Start isEmpty. Operand 1672 states and 2469 transitions.
[2024-11-22 04:19:34,448 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 504
[2024-11-22 04:19:34,449 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 04:19:34,449 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 04:19:34,449 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-11-22 04:19:34,449 INFO  L396      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 04:19:34,450 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 04:19:34,450 INFO  L85        PathProgramCache]: Analyzing trace with hash 702664790, now seen corresponding path program 1 times
[2024-11-22 04:19:34,450 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 04:19:34,450 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855359624]
[2024-11-22 04:19:34,451 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 04:19:34,451 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms