./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.4.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 3289d67d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.4.prop1-back-serstep.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7fa1bdae56b6efd47000ddaf165b6bdba81ba7fc55edf9236eb8f83ebd1d8c6f
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m
[2024-11-16 11:26:16,477 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-16 11:26:16,541 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-16 11:26:16,546 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-16 11:26:16,547 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-16 11:26:16,586 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-16 11:26:16,587 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-16 11:26:16,587 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-16 11:26:16,588 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-16 11:26:16,588 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-16 11:26:16,589 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-16 11:26:16,589 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-16 11:26:16,589 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-16 11:26:16,591 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-16 11:26:16,591 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-16 11:26:16,591 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-16 11:26:16,591 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-16 11:26:16,591 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-16 11:26:16,592 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-16 11:26:16,592 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-16 11:26:16,595 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-16 11:26:16,595 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-16 11:26:16,595 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-16 11:26:16,595 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-16 11:26:16,596 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-16 11:26:16,596 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-16 11:26:16,596 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-16 11:26:16,596 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-16 11:26:16,596 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-16 11:26:16,596 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-16 11:26:16,597 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-16 11:26:16,597 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-16 11:26:16,597 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-16 11:26:16,597 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-16 11:26:16,597 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-16 11:26:16,597 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-16 11:26:16,597 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-16 11:26:16,598 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-16 11:26:16,598 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-16 11:26:16,598 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 -> 7fa1bdae56b6efd47000ddaf165b6bdba81ba7fc55edf9236eb8f83ebd1d8c6f
[2024-11-16 11:26:16,778 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-16 11:26:16,804 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-16 11:26:16,806 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-16 11:26:16,811 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-16 11:26:16,811 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-16 11:26:16,813 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.4.prop1-back-serstep.c
[2024-11-16 11:26:18,097 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-16 11:26:18,340 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-16 11:26:18,341 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peg_solitaire.4.prop1-back-serstep.c
[2024-11-16 11:26:18,358 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02943c839/7a8f94e3bac44343a2204d5abba7452c/FLAG136563385
[2024-11-16 11:26:18,373 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02943c839/7a8f94e3bac44343a2204d5abba7452c
[2024-11-16 11:26:18,375 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-16 11:26:18,376 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-16 11:26:18,377 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-16 11:26:18,377 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-16 11:26:18,381 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-16 11:26:18,382 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:18" (1/1) ...
[2024-11-16 11:26:18,383 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c820ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:18, skipping insertion in model container
[2024-11-16 11:26:18,383 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:18" (1/1) ...
[2024-11-16 11:26:18,462 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-16 11:26:18,662 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.peg_solitaire.4.prop1-back-serstep.c[1181,1194]
[2024-11-16 11:26:19,149 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-16 11:26:19,158 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-16 11:26:19,166 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.peg_solitaire.4.prop1-back-serstep.c[1181,1194]
[2024-11-16 11:26:19,450 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-16 11:26:19,464 INFO  L204         MainTranslator]: Completed translation
[2024-11-16 11:26:19,464 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19 WrapperNode
[2024-11-16 11:26:19,465 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-16 11:26:19,465 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-16 11:26:19,466 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-16 11:26:19,466 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-16 11:26:19,471 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:19,557 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:20,599 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11502
[2024-11-16 11:26:20,599 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-16 11:26:20,600 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-16 11:26:20,600 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-16 11:26:20,600 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-16 11:26:20,609 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:20,609 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:20,957 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,113 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].
[2024-11-16 11:26:21,114 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,114 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,425 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,462 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,497 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,530 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,667 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-16 11:26:21,669 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-16 11:26:21,669 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-11-16 11:26:21,669 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-11-16 11:26:21,670 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (1/1) ...
[2024-11-16 11:26:21,674 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-16 11:26:21,686 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-16 11:26:21,699 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)
[2024-11-16 11:26:21,701 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
[2024-11-16 11:26:21,739 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-16 11:26:21,739 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-16 11:26:21,739 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-16 11:26:21,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-16 11:26:22,263 INFO  L256             CfgBuilder]: Building ICFG
[2024-11-16 11:26:22,265 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-16 11:26:34,433 INFO  L?                        ?]: Removed 6723 outVars from TransFormulas that were not future-live.
[2024-11-16 11:26:34,434 INFO  L307             CfgBuilder]: Performing block encoding
[2024-11-16 11:26:34,654 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-16 11:26:34,655 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-16 11:26:34,655 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:26:34 BoogieIcfgContainer
[2024-11-16 11:26:34,655 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-16 11:26:34,657 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-16 11:26:34,657 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-16 11:26:34,659 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-16 11:26:34,659 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:26:18" (1/3) ...
[2024-11-16 11:26:34,660 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6523ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:26:34, skipping insertion in model container
[2024-11-16 11:26:34,660 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:19" (2/3) ...
[2024-11-16 11:26:34,660 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6523ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:26:34, skipping insertion in model container
[2024-11-16 11:26:34,660 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:26:34" (3/3) ...
[2024-11-16 11:26:34,661 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peg_solitaire.4.prop1-back-serstep.c
[2024-11-16 11:26:34,674 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-16 11:26:34,674 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-16 11:26:34,772 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-16 11:26:34,776 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;@1591de0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-16 11:26:34,777 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-16 11:26:34,787 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3581 states, 3579 states have (on average 1.4993014808605756) internal successors, (5366), 3580 states have internal predecessors, (5366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:34,801 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 295
[2024-11-16 11:26:34,802 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-16 11:26:34,802 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-16 11:26:34,803 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-16 11:26:34,806 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 11:26:34,807 INFO  L85        PathProgramCache]: Analyzing trace with hash -535034258, now seen corresponding path program 1 times
[2024-11-16 11:26:34,813 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 11:26:34,813 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89411326]
[2024-11-16 11:26:34,814 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 11:26:34,814 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 11:26:35,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 11:26:35,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 11:26:35,863 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 11:26:35,863 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89411326]
[2024-11-16 11:26:35,864 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89411326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 11:26:35,864 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 11:26:35,864 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-16 11:26:35,865 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734671113]
[2024-11-16 11:26:35,865 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 11:26:35,869 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-16 11:26:35,869 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 11:26:35,885 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-16 11:26:35,885 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-16 11:26:35,892 INFO  L87              Difference]: Start difference. First operand  has 3581 states, 3579 states have (on average 1.4993014808605756) internal successors, (5366), 3580 states have internal predecessors, (5366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:37,560 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-16 11:26:37,561 INFO  L93              Difference]: Finished difference Result 7041 states and 10555 transitions.
[2024-11-16 11:26:37,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-16 11:26:37,563 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 294
[2024-11-16 11:26:37,564 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-16 11:26:37,588 INFO  L225             Difference]: With dead ends: 7041
[2024-11-16 11:26:37,589 INFO  L226             Difference]: Without dead ends: 3578
[2024-11-16 11:26:37,596 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
[2024-11-16 11:26:37,598 INFO  L432           NwaCegarLoop]: 4466 mSDtfsCounter, 0 mSDsluCounter, 8927 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13393 SdHoareTripleChecker+Invalid, 2686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-16 11:26:37,599 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13393 Invalid, 2686 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 2686 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-16 11:26:37,619 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3578 states.
[2024-11-16 11:26:37,694 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3578 to 3578.
[2024-11-16 11:26:37,699 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3578 states, 3577 states have (on average 1.4990215264187867) internal successors, (5362), 3577 states have internal predecessors, (5362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:37,706 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 5362 transitions.
[2024-11-16 11:26:37,708 INFO  L78                 Accepts]: Start accepts. Automaton has 3578 states and 5362 transitions. Word has length 294
[2024-11-16 11:26:37,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-16 11:26:37,709 INFO  L471      AbstractCegarLoop]: Abstraction has 3578 states and 5362 transitions.
[2024-11-16 11:26:37,709 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.5) internal successors, (294), 4 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:37,709 INFO  L276                IsEmpty]: Start isEmpty. Operand 3578 states and 5362 transitions.
[2024-11-16 11:26:37,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 296
[2024-11-16 11:26:37,713 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-16 11:26:37,714 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-16 11:26:37,714 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-16 11:26:37,714 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-16 11:26:37,715 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 11:26:37,715 INFO  L85        PathProgramCache]: Analyzing trace with hash 738865799, now seen corresponding path program 1 times
[2024-11-16 11:26:37,715 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 11:26:37,715 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50456332]
[2024-11-16 11:26:37,715 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 11:26:37,716 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 11:26:37,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 11:26:38,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 11:26:38,276 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 11:26:38,277 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50456332]
[2024-11-16 11:26:38,277 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50456332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 11:26:38,277 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 11:26:38,277 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-16 11:26:38,277 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801529694]
[2024-11-16 11:26:38,277 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 11:26:38,278 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-16 11:26:38,278 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 11:26:38,279 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-16 11:26:38,279 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-16 11:26:38,279 INFO  L87              Difference]: Start difference. First operand 3578 states and 5362 transitions. Second operand  has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:39,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-16 11:26:39,659 INFO  L93              Difference]: Finished difference Result 7040 states and 10551 transitions.
[2024-11-16 11:26:39,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-16 11:26:39,660 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 295
[2024-11-16 11:26:39,661 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-16 11:26:39,670 INFO  L225             Difference]: With dead ends: 7040
[2024-11-16 11:26:39,670 INFO  L226             Difference]: Without dead ends: 3580
[2024-11-16 11:26:39,674 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
[2024-11-16 11:26:39,675 INFO  L432           NwaCegarLoop]: 4466 mSDtfsCounter, 0 mSDsluCounter, 8924 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13390 SdHoareTripleChecker+Invalid, 2689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-16 11:26:39,675 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13390 Invalid, 2689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2689 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-16 11:26:39,679 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3580 states.
[2024-11-16 11:26:39,712 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3580.
[2024-11-16 11:26:39,717 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3580 states, 3579 states have (on average 1.4987426655490361) internal successors, (5364), 3579 states have internal predecessors, (5364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:39,723 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 5364 transitions.
[2024-11-16 11:26:39,723 INFO  L78                 Accepts]: Start accepts. Automaton has 3580 states and 5364 transitions. Word has length 295
[2024-11-16 11:26:39,724 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-16 11:26:39,725 INFO  L471      AbstractCegarLoop]: Abstraction has 3580 states and 5364 transitions.
[2024-11-16 11:26:39,725 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:39,725 INFO  L276                IsEmpty]: Start isEmpty. Operand 3580 states and 5364 transitions.
[2024-11-16 11:26:39,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 297
[2024-11-16 11:26:39,729 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-16 11:26:39,729 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-16 11:26:39,729 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-16 11:26:39,730 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-16 11:26:39,730 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 11:26:39,731 INFO  L85        PathProgramCache]: Analyzing trace with hash 1177252083, now seen corresponding path program 1 times
[2024-11-16 11:26:39,731 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 11:26:39,731 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124085178]
[2024-11-16 11:26:39,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 11:26:39,731 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 11:26:39,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 11:26:40,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 11:26:40,326 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 11:26:40,326 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124085178]
[2024-11-16 11:26:40,326 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124085178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 11:26:40,326 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 11:26:40,327 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-16 11:26:40,327 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004320787]
[2024-11-16 11:26:40,327 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 11:26:40,328 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-16 11:26:40,328 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 11:26:40,329 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-16 11:26:40,330 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-16 11:26:40,330 INFO  L87              Difference]: Start difference. First operand 3580 states and 5364 transitions. Second operand  has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:42,621 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-16 11:26:42,622 INFO  L93              Difference]: Finished difference Result 10489 states and 15720 transitions.
[2024-11-16 11:26:42,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-16 11:26:42,622 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 296
[2024-11-16 11:26:42,623 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-16 11:26:42,645 INFO  L225             Difference]: With dead ends: 10489
[2024-11-16 11:26:42,646 INFO  L226             Difference]: Without dead ends: 7027
[2024-11-16 11:26:42,652 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-16 11:26:42,656 INFO  L432           NwaCegarLoop]: 4464 mSDtfsCounter, 5056 mSDsluCounter, 13241 mSDsCounter, 0 mSdLazyCounter, 3560 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5056 SdHoareTripleChecker+Valid, 17705 SdHoareTripleChecker+Invalid, 3560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-16 11:26:42,658 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5056 Valid, 17705 Invalid, 3560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3560 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-16 11:26:42,669 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7027 states.
[2024-11-16 11:26:42,750 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7027 to 4034.
[2024-11-16 11:26:42,758 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4034 states, 4033 states have (on average 1.498636250929829) internal successors, (6044), 4033 states have internal predecessors, (6044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:42,767 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 4034 states and 6044 transitions.
[2024-11-16 11:26:42,767 INFO  L78                 Accepts]: Start accepts. Automaton has 4034 states and 6044 transitions. Word has length 296
[2024-11-16 11:26:42,768 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-16 11:26:42,768 INFO  L471      AbstractCegarLoop]: Abstraction has 4034 states and 6044 transitions.
[2024-11-16 11:26:42,769 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:42,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 4034 states and 6044 transitions.
[2024-11-16 11:26:42,860 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2026
[2024-11-16 11:26:42,860 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-16 11:26:42,862 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-16 11:26:42,863 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-16 11:26:42,863 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-16 11:26:42,863 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 11:26:42,864 INFO  L85        PathProgramCache]: Analyzing trace with hash -1794329941, now seen corresponding path program 1 times
[2024-11-16 11:26:42,865 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 11:26:42,865 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787795282]
[2024-11-16 11:26:42,865 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 11:26:42,866 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 11:26:44,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 11:26:49,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 232 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked.
[2024-11-16 11:26:49,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 11:26:49,766 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787795282]
[2024-11-16 11:26:49,766 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787795282] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-16 11:26:49,766 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-16 11:26:49,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-16 11:26:49,766 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191596778]
[2024-11-16 11:26:49,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-16 11:26:49,769 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-16 11:26:49,770 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-16 11:26:49,771 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-16 11:26:49,772 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-16 11:26:49,772 INFO  L87              Difference]: Start difference. First operand 4034 states and 6044 transitions. Second operand  has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:51,396 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-16 11:26:51,396 INFO  L93              Difference]: Finished difference Result 7500 states and 11237 transitions.
[2024-11-16 11:26:51,397 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-16 11:26:51,398 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2025
[2024-11-16 11:26:51,400 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-16 11:26:51,411 INFO  L225             Difference]: With dead ends: 7500
[2024-11-16 11:26:51,411 INFO  L226             Difference]: Without dead ends: 4038
[2024-11-16 11:26:51,418 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-16 11:26:51,423 INFO  L432           NwaCegarLoop]: 4466 mSDtfsCounter, 0 mSDsluCounter, 13385 mSDsCounter, 0 mSdLazyCounter, 3588 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17851 SdHoareTripleChecker+Invalid, 3589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-16 11:26:51,423 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17851 Invalid, 3589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3588 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-16 11:26:51,432 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4038 states.
[2024-11-16 11:26:51,474 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4038 to 4034.
[2024-11-16 11:26:51,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4034 states, 4033 states have (on average 1.498636250929829) internal successors, (6044), 4033 states have internal predecessors, (6044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:51,485 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 4034 states and 6044 transitions.
[2024-11-16 11:26:51,485 INFO  L78                 Accepts]: Start accepts. Automaton has 4034 states and 6044 transitions. Word has length 2025
[2024-11-16 11:26:51,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-16 11:26:51,487 INFO  L471      AbstractCegarLoop]: Abstraction has 4034 states and 6044 transitions.
[2024-11-16 11:26:51,488 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-16 11:26:51,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 4034 states and 6044 transitions.
[2024-11-16 11:26:51,526 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2027
[2024-11-16 11:26:51,527 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-16 11:26:51,528 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-16 11:26:51,528 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-16 11:26:51,529 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-16 11:26:51,529 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-16 11:26:51,530 INFO  L85        PathProgramCache]: Analyzing trace with hash -1379952694, now seen corresponding path program 1 times
[2024-11-16 11:26:51,531 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-16 11:26:51,531 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748891248]
[2024-11-16 11:26:51,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 11:26:51,531 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-16 11:27:18,521 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 11:27:22,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 232 backedges. 58 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 11:27:22,184 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-16 11:27:22,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748891248]
[2024-11-16 11:27:22,185 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748891248] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-16 11:27:22,185 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380172766]
[2024-11-16 11:27:22,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-16 11:27:22,186 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-16 11:27:22,186 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-16 11:27:22,187 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)
[2024-11-16 11:27:22,188 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-16 11:27:25,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-16 11:27:25,288 INFO  L255         TraceCheckSpWp]: Trace formula consists of 11424 conjuncts, 33 conjuncts are in the unsatisfiable core
[2024-11-16 11:27:25,527 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-16 11:27:32,323 INFO  L134       CoverageAnalysis]: Checked inductivity of 232 backedges. 4 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-16 11:27:32,325 INFO  L311         TraceCheckSpWp]: Computing backward predicates...