./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.6.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version e2fb8bed
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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.telephony.6.prop1-func-interl.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 e77897bf0c0355da39ab9d60964373b1d092435579efbe2948ef80a499f9d265
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-e2fb8be-m
[2025-03-08 09:34:29,370 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-03-08 09:34:29,421 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-03-08 09:34:29,427 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-03-08 09:34:29,428 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-03-08 09:34:29,442 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-03-08 09:34:29,443 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-03-08 09:34:29,444 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-03-08 09:34:29,444 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-03-08 09:34:29,444 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-03-08 09:34:29,444 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-03-08 09:34:29,445 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-03-08 09:34:29,445 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-03-08 09:34:29,445 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-03-08 09:34:29,445 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-03-08 09:34:29,446 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-03-08 09:34:29,446 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-03-08 09:34:29,446 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-03-08 09:34:29,446 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-03-08 09:34:29,446 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-03-08 09:34:29,446 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-03-08 09:34:29,446 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-03-08 09:34:29,446 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-03-08 09:34:29,447 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:34:29,447 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-03-08 09:34:29,447 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-03-08 09:34:29,448 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-03-08 09:34:29,448 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-03-08 09:34:29,448 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-03-08 09:34:29,448 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-03-08 09:34:29,448 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-03-08 09:34:29,448 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-03-08 09:34:29,448 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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 -> e77897bf0c0355da39ab9d60964373b1d092435579efbe2948ef80a499f9d265
[2025-03-08 09:34:29,660 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-03-08 09:34:29,667 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-03-08 09:34:29,669 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-03-08 09:34:29,670 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-03-08 09:34:29,670 INFO  L274        PluginConnector]: CDTParser initialized
[2025-03-08 09:34:29,671 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.6.prop1-func-interl.c
[2025-03-08 09:34:30,820 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6ef714d/a41afa49b4dd4dd79ee9c83a668ec437/FLAG45c75d7db
[2025-03-08 09:34:31,251 INFO  L384              CDTParser]: Found 1 translation units.
[2025-03-08 09:34:31,252 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.6.prop1-func-interl.c
[2025-03-08 09:34:31,285 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6ef714d/a41afa49b4dd4dd79ee9c83a668ec437/FLAG45c75d7db
[2025-03-08 09:34:31,389 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac6ef714d/a41afa49b4dd4dd79ee9c83a668ec437
[2025-03-08 09:34:31,391 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-03-08 09:34:31,393 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-03-08 09:34:31,395 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-03-08 09:34:31,396 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-03-08 09:34:31,398 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-03-08 09:34:31,399 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:34:31" (1/1) ...
[2025-03-08 09:34:31,400 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d369b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:31, skipping insertion in model container
[2025-03-08 09:34:31,401 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:34:31" (1/1) ...
[2025-03-08 09:34:31,483 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-03-08 09:34:31,685 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.telephony.6.prop1-func-interl.c[1176,1189]
[2025-03-08 09:34:32,293 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:34:32,300 INFO  L200         MainTranslator]: Completed pre-run
[2025-03-08 09:34:32,308 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.telephony.6.prop1-func-interl.c[1176,1189]
[2025-03-08 09:34:32,645 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-03-08 09:34:32,656 INFO  L204         MainTranslator]: Completed translation
[2025-03-08 09:34:32,657 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32 WrapperNode
[2025-03-08 09:34:32,658 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-03-08 09:34:32,659 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-03-08 09:34:32,659 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-03-08 09:34:32,659 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-03-08 09:34:32,663 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:32,784 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:34,346 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24335
[2025-03-08 09:34:34,347 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-03-08 09:34:34,347 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-03-08 09:34:34,347 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-03-08 09:34:34,347 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-03-08 09:34:34,353 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:34,353 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:34,805 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:35,183 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].
[2025-03-08 09:34:35,184 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:35,185 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:35,872 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:35,939 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:36,053 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:36,148 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:36,514 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-03-08 09:34:36,519 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2025-03-08 09:34:36,519 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2025-03-08 09:34:36,519 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2025-03-08 09:34:36,520 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (1/1) ...
[2025-03-08 09:34:36,524 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-03-08 09:34:36,537 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2025-03-08 09:34:36,555 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)
[2025-03-08 09:34:36,563 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
[2025-03-08 09:34:36,584 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-03-08 09:34:36,584 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-03-08 09:34:36,584 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-03-08 09:34:36,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-03-08 09:34:37,526 INFO  L256             CfgBuilder]: Building ICFG
[2025-03-08 09:34:37,528 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-03-08 09:35:39,967 INFO  L?                        ?]: Removed 13743 outVars from TransFormulas that were not future-live.
[2025-03-08 09:35:39,967 INFO  L307             CfgBuilder]: Performing block encoding
[2025-03-08 09:35:40,366 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-03-08 09:35:40,367 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2025-03-08 09:35:40,367 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:35:40 BoogieIcfgContainer
[2025-03-08 09:35:40,367 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2025-03-08 09:35:40,369 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-03-08 09:35:40,370 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-03-08 09:35:40,373 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-03-08 09:35:40,373 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:34:31" (1/3) ...
[2025-03-08 09:35:40,374 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@822cf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:35:40, skipping insertion in model container
[2025-03-08 09:35:40,374 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:34:32" (2/3) ...
[2025-03-08 09:35:40,375 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@822cf80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:35:40, skipping insertion in model container
[2025-03-08 09:35:40,375 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:35:40" (3/3) ...
[2025-03-08 09:35:40,376 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.telephony.6.prop1-func-interl.c
[2025-03-08 09:35:40,390 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-03-08 09:35:40,391 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.telephony.6.prop1-func-interl.c that has 1 procedures, 8582 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-03-08 09:35:40,557 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-03-08 09:35:40,567 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;@4e890dca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-03-08 09:35:40,567 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-03-08 09:35:40,587 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8582 states, 8580 states have (on average 1.504079254079254) internal successors, (12905), 8581 states have internal predecessors, (12905), 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)
[2025-03-08 09:35:40,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 334
[2025-03-08 09:35:40,604 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:35:40,604 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:35:40,605 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:35:40,608 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:35:40,608 INFO  L85        PathProgramCache]: Analyzing trace with hash -274716019, now seen corresponding path program 1 times
[2025-03-08 09:35:40,613 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:35:40,613 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990184068]
[2025-03-08 09:35:40,614 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:35:40,614 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:35:40,772 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 333 statements into 1 equivalence classes.
[2025-03-08 09:35:40,943 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 333 of 333 statements.
[2025-03-08 09:35:40,944 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:35:40,944 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:35:41,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:35:41,870 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:35:41,871 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990184068]
[2025-03-08 09:35:41,871 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990184068] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:35:41,872 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:35:41,872 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:35:41,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387499006]
[2025-03-08 09:35:41,874 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:35:41,877 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:35:41,877 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:35:41,893 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:35:41,894 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:35:41,912 INFO  L87              Difference]: Start difference. First operand  has 8582 states, 8580 states have (on average 1.504079254079254) internal successors, (12905), 8581 states have internal predecessors, (12905), 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 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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)
[2025-03-08 09:35:45,253 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:35:45,254 INFO  L93              Difference]: Finished difference Result 16853 states and 25347 transitions.
[2025-03-08 09:35:45,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:35:45,255 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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 333
[2025-03-08 09:35:45,256 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:35:45,291 INFO  L225             Difference]: With dead ends: 16853
[2025-03-08 09:35:45,291 INFO  L226             Difference]: Without dead ends: 8581
[2025-03-08 09:35:45,304 INFO  L434           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
[2025-03-08 09:35:45,306 INFO  L435           NwaCegarLoop]: 10774 mSDtfsCounter, 0 mSDsluCounter, 21543 mSDsCounter, 0 mSdLazyCounter, 6385 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32317 SdHoareTripleChecker+Invalid, 6385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2025-03-08 09:35:45,307 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32317 Invalid, 6385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 6385 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2025-03-08 09:35:45,328 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8581 states.
[2025-03-08 09:35:45,481 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8581 to 8581.
[2025-03-08 09:35:45,498 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8581 states, 8580 states have (on average 1.5038461538461538) internal successors, (12903), 8580 states have internal predecessors, (12903), 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)
[2025-03-08 09:35:45,523 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8581 states to 8581 states and 12903 transitions.
[2025-03-08 09:35:45,525 INFO  L78                 Accepts]: Start accepts. Automaton has 8581 states and 12903 transitions. Word has length 333
[2025-03-08 09:35:45,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:35:45,528 INFO  L471      AbstractCegarLoop]: Abstraction has 8581 states and 12903 transitions.
[2025-03-08 09:35:45,529 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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)
[2025-03-08 09:35:45,529 INFO  L276                IsEmpty]: Start isEmpty. Operand 8581 states and 12903 transitions.
[2025-03-08 09:35:45,534 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 335
[2025-03-08 09:35:45,535 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:35:45,535 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:35:45,536 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-03-08 09:35:45,536 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:35:45,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:35:45,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 78431019, now seen corresponding path program 1 times
[2025-03-08 09:35:45,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:35:45,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779668252]
[2025-03-08 09:35:45,538 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:35:45,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:35:45,622 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes.
[2025-03-08 09:35:45,815 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements.
[2025-03-08 09:35:45,815 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:35:45,815 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:35:46,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:35:46,154 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:35:46,154 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779668252]
[2025-03-08 09:35:46,154 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779668252] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:35:46,154 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:35:46,154 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-03-08 09:35:46,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267033005]
[2025-03-08 09:35:46,155 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:35:46,156 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-03-08 09:35:46,157 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:35:46,157 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-03-08 09:35:46,157 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-03-08 09:35:46,158 INFO  L87              Difference]: Start difference. First operand 8581 states and 12903 transitions. Second operand  has 4 states, 4 states have (on average 83.5) internal successors, (334), 4 states have internal predecessors, (334), 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)
[2025-03-08 09:35:49,065 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:35:49,066 INFO  L93              Difference]: Finished difference Result 16854 states and 25345 transitions.
[2025-03-08 09:35:49,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-03-08 09:35:49,066 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 83.5) internal successors, (334), 4 states have internal predecessors, (334), 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 334
[2025-03-08 09:35:49,067 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:35:49,103 INFO  L225             Difference]: With dead ends: 16854
[2025-03-08 09:35:49,104 INFO  L226             Difference]: Without dead ends: 8583
[2025-03-08 09:35:49,114 INFO  L434           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
[2025-03-08 09:35:49,115 INFO  L435           NwaCegarLoop]: 10774 mSDtfsCounter, 0 mSDsluCounter, 21540 mSDsCounter, 0 mSdLazyCounter, 6388 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32314 SdHoareTripleChecker+Invalid, 6388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2025-03-08 09:35:49,115 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32314 Invalid, 6388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 6388 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2025-03-08 09:35:49,126 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8583 states.
[2025-03-08 09:35:49,215 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8583 to 8583.
[2025-03-08 09:35:49,226 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8583 states, 8582 states have (on average 1.5037287345607084) internal successors, (12905), 8582 states have internal predecessors, (12905), 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)
[2025-03-08 09:35:49,241 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8583 states to 8583 states and 12905 transitions.
[2025-03-08 09:35:49,241 INFO  L78                 Accepts]: Start accepts. Automaton has 8583 states and 12905 transitions. Word has length 334
[2025-03-08 09:35:49,242 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:35:49,242 INFO  L471      AbstractCegarLoop]: Abstraction has 8583 states and 12905 transitions.
[2025-03-08 09:35:49,242 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 83.5) internal successors, (334), 4 states have internal predecessors, (334), 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)
[2025-03-08 09:35:49,243 INFO  L276                IsEmpty]: Start isEmpty. Operand 8583 states and 12905 transitions.
[2025-03-08 09:35:49,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 336
[2025-03-08 09:35:49,245 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:35:49,245 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-03-08 09:35:49,245 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-03-08 09:35:49,246 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:35:49,246 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:35:49,246 INFO  L85        PathProgramCache]: Analyzing trace with hash 67917384, now seen corresponding path program 1 times
[2025-03-08 09:35:49,246 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:35:49,246 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854108260]
[2025-03-08 09:35:49,247 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:35:49,247 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:35:49,331 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 335 statements into 1 equivalence classes.
[2025-03-08 09:35:49,363 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 335 of 335 statements.
[2025-03-08 09:35:49,363 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-03-08 09:35:49,363 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-03-08 09:35:49,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-03-08 09:35:49,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-03-08 09:35:49,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854108260]
[2025-03-08 09:35:49,799 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854108260] provided 1 perfect and 0 imperfect interpolant sequences
[2025-03-08 09:35:49,799 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-03-08 09:35:49,799 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-03-08 09:35:49,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335845430]
[2025-03-08 09:35:49,799 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-03-08 09:35:49,800 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-03-08 09:35:49,800 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-03-08 09:35:49,801 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-03-08 09:35:49,801 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-03-08 09:35:49,801 INFO  L87              Difference]: Start difference. First operand 8583 states and 12905 transitions. Second operand  has 5 states, 5 states have (on average 67.0) internal successors, (335), 5 states have internal predecessors, (335), 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)
[2025-03-08 09:35:53,779 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-03-08 09:35:53,779 INFO  L93              Difference]: Finished difference Result 23859 states and 35884 transitions.
[2025-03-08 09:35:53,781 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-03-08 09:35:53,781 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 67.0) internal successors, (335), 5 states have internal predecessors, (335), 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 335
[2025-03-08 09:35:53,782 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-03-08 09:35:53,811 INFO  L225             Difference]: With dead ends: 23859
[2025-03-08 09:35:53,811 INFO  L226             Difference]: Without dead ends: 15586
[2025-03-08 09:35:53,821 INFO  L434           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
[2025-03-08 09:35:53,821 INFO  L435           NwaCegarLoop]: 10770 mSDtfsCounter, 10680 mSDsluCounter, 31919 mSDsCounter, 0 mSdLazyCounter, 8452 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10680 SdHoareTripleChecker+Valid, 42689 SdHoareTripleChecker+Invalid, 8452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time
[2025-03-08 09:35:53,822 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10680 Valid, 42689 Invalid, 8452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 8452 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time]
[2025-03-08 09:35:53,835 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15586 states.
[2025-03-08 09:35:53,947 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15586 to 8925.
[2025-03-08 09:35:53,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8925 states, 8924 states have (on average 1.5034737785746302) internal successors, (13417), 8924 states have internal predecessors, (13417), 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)
[2025-03-08 09:35:53,965 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8925 states to 8925 states and 13417 transitions.
[2025-03-08 09:35:53,966 INFO  L78                 Accepts]: Start accepts. Automaton has 8925 states and 13417 transitions. Word has length 335
[2025-03-08 09:35:53,966 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-03-08 09:35:53,966 INFO  L471      AbstractCegarLoop]: Abstraction has 8925 states and 13417 transitions.
[2025-03-08 09:35:53,966 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 67.0) internal successors, (335), 5 states have internal predecessors, (335), 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)
[2025-03-08 09:35:53,966 INFO  L276                IsEmpty]: Start isEmpty. Operand 8925 states and 13417 transitions.
[2025-03-08 09:35:54,094 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4395
[2025-03-08 09:35:54,094 INFO  L210           NwaCegarLoop]: Found error trace
[2025-03-08 09:35:54,096 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2025-03-08 09:35:54,096 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-03-08 09:35:54,096 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-03-08 09:35:54,098 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-03-08 09:35:54,100 INFO  L85        PathProgramCache]: Analyzing trace with hash -1218724399, now seen corresponding path program 1 times
[2025-03-08 09:35:54,100 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-03-08 09:35:54,100 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494227410]
[2025-03-08 09:35:54,100 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-03-08 09:35:54,100 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-03-08 09:35:54,644 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4394 statements into 1 equivalence classes.