./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash bcba96e12d465ba8f2cd356f8297b415f9e65918ebe10de52c572e6fb77ffa7c
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 09:12:12,301 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 09:12:12,380 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-22 09:12:12,386 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 09:12:12,387 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 09:12:12,406 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 09:12:12,407 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 09:12:12,407 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 09:12:12,408 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 09:12:12,408 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 09:12:12,409 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 09:12:12,409 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 09:12:12,410 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 09:12:12,410 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 09:12:12,410 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 09:12:12,411 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 09:12:12,411 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 09:12:12,411 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-22 09:12:12,412 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 09:12:12,412 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-22 09:12:12,412 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 09:12:12,415 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 09:12:12,416 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 09:12:12,416 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 09:12:12,416 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 09:12:12,416 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-22 09:12:12,416 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 09:12:12,417 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 09:12:12,417 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 09:12:12,417 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 09:12:12,417 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 09:12:12,418 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 09:12:12,418 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 09:12:12,420 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 09:12:12,420 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 09:12:12,420 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 09:12:12,421 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 09:12:12,421 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 09:12:12,422 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 09:12:12,422 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 09:12:12,422 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 09:12:12,423 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 09:12:12,424 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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcba96e12d465ba8f2cd356f8297b415f9e65918ebe10de52c572e6fb77ffa7c
[2024-11-22 09:12:12,673 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 09:12:12,701 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 09:12:12,705 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 09:12:12,707 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 09:12:12,707 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 09:12:12,708 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i
[2024-11-22 09:12:14,119 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 09:12:14,346 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 09:12:14,347 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i
[2024-11-22 09:12:14,359 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafcf1136/96dd8fffb9cf4d0d8395bc10043a4293/FLAG24caa8a0a
[2024-11-22 09:12:14,695 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aafcf1136/96dd8fffb9cf4d0d8395bc10043a4293
[2024-11-22 09:12:14,697 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 09:12:14,698 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 09:12:14,700 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 09:12:14,700 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 09:12:14,705 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 09:12:14,705 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:12:14" (1/1) ...
[2024-11-22 09:12:14,706 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a188505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:14, skipping insertion in model container
[2024-11-22 09:12:14,706 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:12:14" (1/1) ...
[2024-11-22 09:12:14,734 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 09:12:14,919 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/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i[919,932]
[2024-11-22 09:12:15,017 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 09:12:15,028 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 09:12:15,039 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/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i[919,932]
[2024-11-22 09:12:15,074 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 09:12:15,093 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 09:12:15,097 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15 WrapperNode
[2024-11-22 09:12:15,097 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 09:12:15,098 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 09:12:15,099 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 09:12:15,099 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 09:12:15,104 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,113 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,162 INFO  L138                Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192
[2024-11-22 09:12:15,163 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 09:12:15,167 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 09:12:15,167 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 09:12:15,167 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 09:12:15,178 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,179 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,183 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,205 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-22 09:12:15,209 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,209 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,225 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,236 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,239 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,241 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,248 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 09:12:15,255 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 09:12:15,255 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 09:12:15,255 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 09:12:15,257 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (1/1) ...
[2024-11-22 09:12:15,262 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 09:12:15,273 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 09:12:15,292 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-22 09:12:15,295 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-22 09:12:15,344 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 09:12:15,344 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-22 09:12:15,345 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-22 09:12:15,346 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 09:12:15,346 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 09:12:15,346 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 09:12:15,436 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 09:12:15,438 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 09:12:15,870 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-22 09:12:15,870 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 09:12:15,890 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 09:12:15,890 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-22 09:12:15,891 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:12:15 BoogieIcfgContainer
[2024-11-22 09:12:15,891 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 09:12:15,892 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 09:12:15,892 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 09:12:15,895 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 09:12:15,895 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:12:14" (1/3) ...
[2024-11-22 09:12:15,896 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1815b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:12:15, skipping insertion in model container
[2024-11-22 09:12:15,896 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:12:15" (2/3) ...
[2024-11-22 09:12:15,896 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c1815b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:12:15, skipping insertion in model container
[2024-11-22 09:12:15,896 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:12:15" (3/3) ...
[2024-11-22 09:12:15,897 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i
[2024-11-22 09:12:15,910 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 09:12:15,910 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 09:12:15,973 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 09:12:15,979 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;@79e67669, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 09:12:15,979 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 09:12:15,983 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 85 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-22 09:12:15,997 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2024-11-22 09:12:15,998 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:15,999 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:15,999 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:16,004 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:16,005 INFO  L85        PathProgramCache]: Analyzing trace with hash 1106573422, now seen corresponding path program 1 times
[2024-11-22 09:12:16,014 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:16,015 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582302791]
[2024-11-22 09:12:16,015 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:16,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:16,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:16,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-22 09:12:16,423 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:16,423 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582302791]
[2024-11-22 09:12:16,424 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582302791] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 09:12:16,425 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840900078]
[2024-11-22 09:12:16,425 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:16,425 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 09:12:16,425 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 09:12:16,428 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 09:12:16,430 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-22 09:12:16,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:16,630 INFO  L255         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-22 09:12:16,644 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 09:12:16,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked.
[2024-11-22 09:12:16,691 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 09:12:16,693 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [840900078] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:16,693 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 09:12:16,693 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-22 09:12:16,700 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698278459]
[2024-11-22 09:12:16,703 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:16,709 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-22 09:12:16,709 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:16,737 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-22 09:12:16,738 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 09:12:16,740 INFO  L87              Difference]: Start difference. First operand  has 85 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-22 09:12:16,771 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:16,771 INFO  L93              Difference]: Finished difference Result 163 states and 284 transitions.
[2024-11-22 09:12:16,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-22 09:12:16,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 173
[2024-11-22 09:12:16,774 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:16,782 INFO  L225             Difference]: With dead ends: 163
[2024-11-22 09:12:16,782 INFO  L226             Difference]: Without dead ends: 81
[2024-11-22 09:12:16,786 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 09:12:16,790 INFO  L432           NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:16,791 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 09:12:16,807 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-11-22 09:12:16,838 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2024-11-22 09:12:16,839 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-22 09:12:16,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 124 transitions.
[2024-11-22 09:12:16,844 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 124 transitions. Word has length 173
[2024-11-22 09:12:16,844 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:16,844 INFO  L471      AbstractCegarLoop]: Abstraction has 81 states and 124 transitions.
[2024-11-22 09:12:16,845 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-22 09:12:16,845 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions.
[2024-11-22 09:12:16,849 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2024-11-22 09:12:16,849 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:16,849 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:16,859 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-22 09:12:17,050 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-22 09:12:17,051 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:17,052 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:17,052 INFO  L85        PathProgramCache]: Analyzing trace with hash -1916054174, now seen corresponding path program 1 times
[2024-11-22 09:12:17,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:17,052 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560533560]
[2024-11-22 09:12:17,052 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:17,053 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:17,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:17,411 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-22 09:12:17,411 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:17,411 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560533560]
[2024-11-22 09:12:17,411 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560533560] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:17,412 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:12:17,412 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 09:12:17,412 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286989766]
[2024-11-22 09:12:17,412 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:17,415 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 09:12:17,416 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:17,417 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 09:12:17,418 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:12:17,418 INFO  L87              Difference]: Start difference. First operand 81 states and 124 transitions. Second operand  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:17,470 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:17,474 INFO  L93              Difference]: Finished difference Result 188 states and 289 transitions.
[2024-11-22 09:12:17,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 09:12:17,475 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173
[2024-11-22 09:12:17,476 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:17,478 INFO  L225             Difference]: With dead ends: 188
[2024-11-22 09:12:17,478 INFO  L226             Difference]: Without dead ends: 110
[2024-11-22 09:12:17,482 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:12:17,484 INFO  L432           NwaCegarLoop]: 122 mSDtfsCounter, 37 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:17,486 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 236 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 09:12:17,487 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2024-11-22 09:12:17,506 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 90.
[2024-11-22 09:12:17,507 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26)
[2024-11-22 09:12:17,508 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 139 transitions.
[2024-11-22 09:12:17,512 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 139 transitions. Word has length 173
[2024-11-22 09:12:17,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:17,514 INFO  L471      AbstractCegarLoop]: Abstraction has 90 states and 139 transitions.
[2024-11-22 09:12:17,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:17,516 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 139 transitions.
[2024-11-22 09:12:17,519 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2024-11-22 09:12:17,519 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:17,519 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:17,520 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 09:12:17,520 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:17,522 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:17,523 INFO  L85        PathProgramCache]: Analyzing trace with hash 1792107108, now seen corresponding path program 1 times
[2024-11-22 09:12:17,523 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:17,524 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478495532]
[2024-11-22 09:12:17,524 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:17,524 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:17,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:17,686 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-22 09:12:17,689 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:17,690 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478495532]
[2024-11-22 09:12:17,690 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478495532] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:17,690 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:12:17,690 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 09:12:17,690 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290025296]
[2024-11-22 09:12:17,691 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:17,691 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 09:12:17,693 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:17,694 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 09:12:17,694 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:12:17,695 INFO  L87              Difference]: Start difference. First operand 90 states and 139 transitions. Second operand  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:17,754 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:17,754 INFO  L93              Difference]: Finished difference Result 261 states and 405 transitions.
[2024-11-22 09:12:17,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 09:12:17,759 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173
[2024-11-22 09:12:17,761 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:17,765 INFO  L225             Difference]: With dead ends: 261
[2024-11-22 09:12:17,765 INFO  L226             Difference]: Without dead ends: 174
[2024-11-22 09:12:17,767 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 09:12:17,769 INFO  L432           NwaCegarLoop]: 119 mSDtfsCounter, 113 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:17,769 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 228 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 09:12:17,772 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 174 states.
[2024-11-22 09:12:17,796 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172.
[2024-11-22 09:12:17,798 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 172 states, 117 states have (on average 1.376068376068376) internal successors, (161), 117 states have internal predecessors, (161), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52)
[2024-11-22 09:12:17,800 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 265 transitions.
[2024-11-22 09:12:17,801 INFO  L78                 Accepts]: Start accepts. Automaton has 172 states and 265 transitions. Word has length 173
[2024-11-22 09:12:17,801 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:17,802 INFO  L471      AbstractCegarLoop]: Abstraction has 172 states and 265 transitions.
[2024-11-22 09:12:17,802 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:17,802 INFO  L276                IsEmpty]: Start isEmpty. Operand 172 states and 265 transitions.
[2024-11-22 09:12:17,806 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2024-11-22 09:12:17,806 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:17,807 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:17,807 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 09:12:17,807 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:17,808 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:17,808 INFO  L85        PathProgramCache]: Analyzing trace with hash -684742561, now seen corresponding path program 1 times
[2024-11-22 09:12:17,810 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:17,810 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355578144]
[2024-11-22 09:12:17,810 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:17,811 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:17,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:33,309 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-22 09:12:33,310 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:33,310 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355578144]
[2024-11-22 09:12:33,310 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355578144] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:33,311 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:12:33,311 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 09:12:33,311 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343746993]
[2024-11-22 09:12:33,311 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:33,312 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 09:12:33,312 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:33,313 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 09:12:33,313 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:33,313 INFO  L87              Difference]: Start difference. First operand 172 states and 265 transitions. Second operand  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:33,662 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:33,662 INFO  L93              Difference]: Finished difference Result 464 states and 694 transitions.
[2024-11-22 09:12:33,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 09:12:33,666 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174
[2024-11-22 09:12:33,666 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:33,669 INFO  L225             Difference]: With dead ends: 464
[2024-11-22 09:12:33,669 INFO  L226             Difference]: Without dead ends: 295
[2024-11-22 09:12:33,673 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:33,674 INFO  L432           NwaCegarLoop]: 164 mSDtfsCounter, 82 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:33,675 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 297 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 09:12:33,676 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 295 states.
[2024-11-22 09:12:33,717 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 244.
[2024-11-22 09:12:33,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 244 states, 171 states have (on average 1.345029239766082) internal successors, (230), 173 states have internal predecessors, (230), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68)
[2024-11-22 09:12:33,720 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 366 transitions.
[2024-11-22 09:12:33,721 INFO  L78                 Accepts]: Start accepts. Automaton has 244 states and 366 transitions. Word has length 174
[2024-11-22 09:12:33,721 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:33,721 INFO  L471      AbstractCegarLoop]: Abstraction has 244 states and 366 transitions.
[2024-11-22 09:12:33,722 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:33,722 INFO  L276                IsEmpty]: Start isEmpty. Operand 244 states and 366 transitions.
[2024-11-22 09:12:33,724 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2024-11-22 09:12:33,724 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:33,724 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:33,725 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 09:12:33,725 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:33,725 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:33,725 INFO  L85        PathProgramCache]: Analyzing trace with hash -1494089187, now seen corresponding path program 1 times
[2024-11-22 09:12:33,727 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:33,727 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820256129]
[2024-11-22 09:12:33,727 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:33,727 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:33,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:35,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-22 09:12:35,763 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:35,763 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820256129]
[2024-11-22 09:12:35,763 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820256129] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:35,764 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:12:35,764 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 09:12:35,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073393478]
[2024-11-22 09:12:35,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:35,766 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 09:12:35,767 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:35,768 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 09:12:35,769 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:35,769 INFO  L87              Difference]: Start difference. First operand 244 states and 366 transitions. Second operand  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:36,094 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:36,094 INFO  L93              Difference]: Finished difference Result 536 states and 794 transitions.
[2024-11-22 09:12:36,097 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 09:12:36,097 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174
[2024-11-22 09:12:36,098 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:36,100 INFO  L225             Difference]: With dead ends: 536
[2024-11-22 09:12:36,101 INFO  L226             Difference]: Without dead ends: 295
[2024-11-22 09:12:36,102 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:36,102 INFO  L432           NwaCegarLoop]: 175 mSDtfsCounter, 77 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:36,103 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 329 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 09:12:36,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 295 states.
[2024-11-22 09:12:36,153 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 239.
[2024-11-22 09:12:36,154 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 239 states, 166 states have (on average 1.3433734939759037) internal successors, (223), 168 states have internal predecessors, (223), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68)
[2024-11-22 09:12:36,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 359 transitions.
[2024-11-22 09:12:36,158 INFO  L78                 Accepts]: Start accepts. Automaton has 239 states and 359 transitions. Word has length 174
[2024-11-22 09:12:36,158 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:36,158 INFO  L471      AbstractCegarLoop]: Abstraction has 239 states and 359 transitions.
[2024-11-22 09:12:36,159 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:36,160 INFO  L276                IsEmpty]: Start isEmpty. Operand 239 states and 359 transitions.
[2024-11-22 09:12:36,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2024-11-22 09:12:36,161 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:36,161 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:36,162 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-22 09:12:36,162 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:36,162 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:36,162 INFO  L85        PathProgramCache]: Analyzing trace with hash -1964606239, now seen corresponding path program 1 times
[2024-11-22 09:12:36,163 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:36,163 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74327629]
[2024-11-22 09:12:36,163 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:36,163 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:36,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:44,332 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-22 09:12:44,333 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:44,333 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74327629]
[2024-11-22 09:12:44,333 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74327629] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:44,333 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:12:44,333 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 09:12:44,334 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196170714]
[2024-11-22 09:12:44,334 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:44,334 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 09:12:44,334 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:44,335 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 09:12:44,335 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:44,336 INFO  L87              Difference]: Start difference. First operand 239 states and 359 transitions. Second operand  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:44,707 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:44,708 INFO  L93              Difference]: Finished difference Result 558 states and 824 transitions.
[2024-11-22 09:12:44,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 09:12:44,708 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174
[2024-11-22 09:12:44,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:44,713 INFO  L225             Difference]: With dead ends: 558
[2024-11-22 09:12:44,713 INFO  L226             Difference]: Without dead ends: 322
[2024-11-22 09:12:44,714 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:44,714 INFO  L432           NwaCegarLoop]: 189 mSDtfsCounter, 87 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:44,715 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 317 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 09:12:44,716 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 322 states.
[2024-11-22 09:12:44,780 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 314.
[2024-11-22 09:12:44,781 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 314 states, 209 states have (on average 1.2870813397129186) internal successors, (269), 214 states have internal predecessors, (269), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96)
[2024-11-22 09:12:44,784 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 461 transitions.
[2024-11-22 09:12:44,785 INFO  L78                 Accepts]: Start accepts. Automaton has 314 states and 461 transitions. Word has length 174
[2024-11-22 09:12:44,785 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:44,785 INFO  L471      AbstractCegarLoop]: Abstraction has 314 states and 461 transitions.
[2024-11-22 09:12:44,786 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:44,786 INFO  L276                IsEmpty]: Start isEmpty. Operand 314 states and 461 transitions.
[2024-11-22 09:12:44,787 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2024-11-22 09:12:44,788 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:44,788 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:44,788 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-22 09:12:44,788 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:44,789 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:44,789 INFO  L85        PathProgramCache]: Analyzing trace with hash 1521014431, now seen corresponding path program 1 times
[2024-11-22 09:12:44,789 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:44,790 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461251593]
[2024-11-22 09:12:44,790 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:44,790 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:44,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:45,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-22 09:12:45,869 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:45,869 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461251593]
[2024-11-22 09:12:45,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461251593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:45,869 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:12:45,869 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-22 09:12:45,869 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250684670]
[2024-11-22 09:12:45,869 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:45,870 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 09:12:45,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:45,870 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 09:12:45,871 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:45,871 INFO  L87              Difference]: Start difference. First operand 314 states and 461 transitions. Second operand  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:46,268 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:46,268 INFO  L93              Difference]: Finished difference Result 628 states and 910 transitions.
[2024-11-22 09:12:46,269 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 09:12:46,269 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174
[2024-11-22 09:12:46,269 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:46,272 INFO  L225             Difference]: With dead ends: 628
[2024-11-22 09:12:46,272 INFO  L226             Difference]: Without dead ends: 330
[2024-11-22 09:12:46,273 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:46,274 INFO  L432           NwaCegarLoop]: 199 mSDtfsCounter, 82 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:46,274 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 521 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 09:12:46,275 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 330 states.
[2024-11-22 09:12:46,325 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 274.
[2024-11-22 09:12:46,326 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 274 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 188 states have internal predecessors, (241), 80 states have call successors, (80), 8 states have call predecessors, (80), 8 states have return successors, (80), 77 states have call predecessors, (80), 80 states have call successors, (80)
[2024-11-22 09:12:46,328 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 401 transitions.
[2024-11-22 09:12:46,328 INFO  L78                 Accepts]: Start accepts. Automaton has 274 states and 401 transitions. Word has length 174
[2024-11-22 09:12:46,329 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:46,329 INFO  L471      AbstractCegarLoop]: Abstraction has 274 states and 401 transitions.
[2024-11-22 09:12:46,330 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:46,330 INFO  L276                IsEmpty]: Start isEmpty. Operand 274 states and 401 transitions.
[2024-11-22 09:12:46,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-22 09:12:46,331 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:46,332 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:46,332 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-22 09:12:46,332 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:46,333 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:46,333 INFO  L85        PathProgramCache]: Analyzing trace with hash -2060853403, now seen corresponding path program 1 times
[2024-11-22 09:12:46,333 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:46,333 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590897601]
[2024-11-22 09:12:46,333 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:46,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:46,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 09:12:46,619 INFO  L134       CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-22 09:12:46,620 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 09:12:46,620 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590897601]
[2024-11-22 09:12:46,620 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590897601] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 09:12:46,621 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 09:12:46,621 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 09:12:46,621 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487890226]
[2024-11-22 09:12:46,621 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 09:12:46,623 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 09:12:46,623 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 09:12:46,624 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 09:12:46,624 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 09:12:46,624 INFO  L87              Difference]: Start difference. First operand 274 states and 401 transitions. Second operand  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:46,955 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 09:12:46,955 INFO  L93              Difference]: Finished difference Result 829 states and 1193 transitions.
[2024-11-22 09:12:46,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 09:12:46,956 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175
[2024-11-22 09:12:46,957 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 09:12:46,960 INFO  L225             Difference]: With dead ends: 829
[2024-11-22 09:12:46,960 INFO  L226             Difference]: Without dead ends: 571
[2024-11-22 09:12:46,961 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-22 09:12:46,962 INFO  L432           NwaCegarLoop]: 138 mSDtfsCounter, 117 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-22 09:12:46,962 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 323 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-22 09:12:46,965 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 571 states.
[2024-11-22 09:12:47,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 564.
[2024-11-22 09:12:47,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 564 states, 391 states have (on average 1.2915601023017902) internal successors, (505), 400 states have internal predecessors, (505), 152 states have call successors, (152), 20 states have call predecessors, (152), 20 states have return successors, (152), 143 states have call predecessors, (152), 152 states have call successors, (152)
[2024-11-22 09:12:47,107 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 809 transitions.
[2024-11-22 09:12:47,108 INFO  L78                 Accepts]: Start accepts. Automaton has 564 states and 809 transitions. Word has length 175
[2024-11-22 09:12:47,109 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 09:12:47,109 INFO  L471      AbstractCegarLoop]: Abstraction has 564 states and 809 transitions.
[2024-11-22 09:12:47,109 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)
[2024-11-22 09:12:47,109 INFO  L276                IsEmpty]: Start isEmpty. Operand 564 states and 809 transitions.
[2024-11-22 09:12:47,112 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-22 09:12:47,112 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 09:12:47,113 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 09:12:47,113 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-22 09:12:47,113 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 09:12:47,113 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 09:12:47,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 11333371, now seen corresponding path program 1 times
[2024-11-22 09:12:47,114 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 09:12:47,114 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217299264]
[2024-11-22 09:12:47,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 09:12:47,114 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 09:12:47,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat