./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-34.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_floatingpointinfluence_no-floats_file-34.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 0b2021e54d578344cecd4ae588ad2b694dfa7d33eedd7325e5578ff940fe43a9
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 10:06:45,498 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 10:06:45,559 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-22 10:06:45,563 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 10:06:45,565 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 10:06:45,587 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 10:06:45,588 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 10:06:45,588 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 10:06:45,589 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 10:06:45,592 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 10:06:45,592 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 10:06:45,592 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 10:06:45,593 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 10:06:45,593 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 10:06:45,593 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 10:06:45,593 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 10:06:45,594 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 10:06:45,594 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-22 10:06:45,594 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 10:06:45,594 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-22 10:06:45,594 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 10:06:45,596 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 10:06:45,597 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 10:06:45,597 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 10:06:45,597 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 10:06:45,597 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-22 10:06:45,598 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 10:06:45,598 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 10:06:45,598 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 10:06:45,598 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 10:06:45,599 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 10:06:45,599 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 10:06:45,599 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 10:06:45,600 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 10:06:45,600 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 10:06:45,600 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 10:06:45,600 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 10:06:45,601 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 10:06:45,601 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 10:06:45,601 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 10:06:45,602 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 10:06:45,602 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 10:06:45,602 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 -> 0b2021e54d578344cecd4ae588ad2b694dfa7d33eedd7325e5578ff940fe43a9
[2024-11-22 10:06:45,824 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 10:06:45,846 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 10:06:45,849 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 10:06:45,850 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 10:06:45,850 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 10:06:45,855 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-34.i
[2024-11-22 10:06:47,204 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 10:06:47,373 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 10:06:47,373 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-34.i
[2024-11-22 10:06:47,385 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb9120a3/6ff2bf1eb5e746aba1ed2864ea149e52/FLAG01df7411b
[2024-11-22 10:06:47,400 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb9120a3/6ff2bf1eb5e746aba1ed2864ea149e52
[2024-11-22 10:06:47,403 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 10:06:47,404 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 10:06:47,406 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 10:06:47,406 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 10:06:47,410 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 10:06:47,411 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,412 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fd16fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47, skipping insertion in model container
[2024-11-22 10:06:47,412 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,439 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 10:06:47,591 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_floatingpointinfluence_no-floats_file-34.i[916,929]
[2024-11-22 10:06:47,619 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 10:06:47,627 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 10:06:47,636 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_floatingpointinfluence_no-floats_file-34.i[916,929]
[2024-11-22 10:06:47,653 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 10:06:47,667 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 10:06:47,668 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47 WrapperNode
[2024-11-22 10:06:47,668 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 10:06:47,669 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 10:06:47,669 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 10:06:47,669 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 10:06:47,674 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,684 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,711 INFO  L138                Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130
[2024-11-22 10:06:47,712 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 10:06:47,713 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 10:06:47,713 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 10:06:47,714 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 10:06:47,722 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,723 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,724 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,750 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 10:06:47,751 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,751 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,759 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,768 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,769 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,770 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,772 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 10:06:47,772 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 10:06:47,773 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 10:06:47,773 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 10:06:47,773 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (1/1) ...
[2024-11-22 10:06:47,788 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 10:06:47,796 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 10:06:47,813 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 10:06:47,818 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 10:06:47,853 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 10:06:47,854 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-22 10:06:47,854 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-22 10:06:47,855 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 10:06:47,855 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 10:06:47,855 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 10:06:47,914 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 10:06:47,917 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 10:06:48,118 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-22 10:06:48,119 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 10:06:48,129 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 10:06:48,130 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-22 10:06:48,130 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:06:48 BoogieIcfgContainer
[2024-11-22 10:06:48,130 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 10:06:48,132 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 10:06:48,132 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 10:06:48,134 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 10:06:48,134 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:06:47" (1/3) ...
[2024-11-22 10:06:48,135 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4c99c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:06:48, skipping insertion in model container
[2024-11-22 10:06:48,135 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:47" (2/3) ...
[2024-11-22 10:06:48,135 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4c99c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:06:48, skipping insertion in model container
[2024-11-22 10:06:48,135 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:06:48" (3/3) ...
[2024-11-22 10:06:48,136 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-34.i
[2024-11-22 10:06:48,149 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 10:06:48,149 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 10:06:48,193 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 10:06:48,198 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;@5830ce99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 10:06:48,198 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 10:06:48,201 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 62 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-22 10:06:48,210 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2024-11-22 10:06:48,210 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 10:06:48,211 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:48,211 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 10:06:48,215 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 10:06:48,215 INFO  L85        PathProgramCache]: Analyzing trace with hash -585062754, now seen corresponding path program 1 times
[2024-11-22 10:06:48,222 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 10:06:48,222 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886883243]
[2024-11-22 10:06:48,222 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:06:48,222 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 10:06:48,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:06:48,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-22 10:06:48,452 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 10:06:48,452 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886883243]
[2024-11-22 10:06:48,453 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886883243] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 10:06:48,453 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044454637]
[2024-11-22 10:06:48,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:06:48,453 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 10:06:48,453 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 10:06:48,458 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 10:06:48,459 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 10:06:48,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:06:48,565 INFO  L255         TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-22 10:06:48,576 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 10:06:48,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked.
[2024-11-22 10:06:48,607 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 10:06:48,607 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044454637] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 10:06:48,607 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 10:06:48,607 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-22 10:06:48,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90062607]
[2024-11-22 10:06:48,615 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 10:06:48,618 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-22 10:06:48,619 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 10:06:48,635 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-22 10:06:48,635 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 10:06:48,637 INFO  L87              Difference]: Start difference. First operand  has 62 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-22 10:06:48,659 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 10:06:48,659 INFO  L93              Difference]: Finished difference Result 117 states and 206 transitions.
[2024-11-22 10:06:48,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-22 10:06:48,661 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146
[2024-11-22 10:06:48,661 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 10:06:48,666 INFO  L225             Difference]: With dead ends: 117
[2024-11-22 10:06:48,666 INFO  L226             Difference]: Without dead ends: 58
[2024-11-22 10:06:48,669 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 10:06:48,671 INFO  L432           NwaCegarLoop]: 87 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, 87 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 10:06:48,671 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 10:06:48,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-22 10:06:48,715 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-22 10:06:48,716 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-22 10:06:48,719 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions.
[2024-11-22 10:06:48,720 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 146
[2024-11-22 10:06:48,721 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 10:06:48,721 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 87 transitions.
[2024-11-22 10:06:48,723 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-22 10:06:48,724 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions.
[2024-11-22 10:06:48,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2024-11-22 10:06:48,727 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 10:06:48,728 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:48,735 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 10:06:48,929 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 10:06:48,929 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 10:06:48,930 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 10:06:48,930 INFO  L85        PathProgramCache]: Analyzing trace with hash 623310494, now seen corresponding path program 1 times
[2024-11-22 10:06:48,930 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 10:06:48,930 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792608400]
[2024-11-22 10:06:48,930 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:06:48,930 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 10:06:49,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:06:53,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-22 10:06:53,080 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 10:06:53,080 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792608400]
[2024-11-22 10:06:53,080 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792608400] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 10:06:53,080 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 10:06:53,080 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-22 10:06:53,080 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138166416]
[2024-11-22 10:06:53,081 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 10:06:53,081 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-22 10:06:53,082 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 10:06:53,082 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-22 10:06:53,082 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2024-11-22 10:06:53,083 INFO  L87              Difference]: Start difference. First operand 58 states and 87 transitions. Second operand  has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-22 10:06:53,748 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 10:06:53,748 INFO  L93              Difference]: Finished difference Result 129 states and 191 transitions.
[2024-11-22 10:06:53,749 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-22 10:06:53,749 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146
[2024-11-22 10:06:53,750 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 10:06:53,751 INFO  L225             Difference]: With dead ends: 129
[2024-11-22 10:06:53,751 INFO  L226             Difference]: Without dead ends: 74
[2024-11-22 10:06:53,751 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132
[2024-11-22 10:06:53,752 INFO  L432           NwaCegarLoop]: 76 mSDtfsCounter, 119 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-22 10:06:53,753 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 275 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-22 10:06:53,753 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-11-22 10:06:53,760 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64.
[2024-11-22 10:06:53,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-22 10:06:53,761 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions.
[2024-11-22 10:06:53,761 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 146
[2024-11-22 10:06:53,763 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 10:06:53,763 INFO  L471      AbstractCegarLoop]: Abstraction has 64 states and 94 transitions.
[2024-11-22 10:06:53,763 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-22 10:06:53,763 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions.
[2024-11-22 10:06:53,765 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2024-11-22 10:06:53,765 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 10:06:53,765 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:53,765 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 10:06:53,766 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 10:06:53,766 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 10:06:53,766 INFO  L85        PathProgramCache]: Analyzing trace with hash -186036132, now seen corresponding path program 1 times
[2024-11-22 10:06:53,766 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 10:06:53,766 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802096600]
[2024-11-22 10:06:53,767 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:06:53,767 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 10:06:53,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:06:56,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-22 10:06:56,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 10:06:56,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802096600]
[2024-11-22 10:06:56,678 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802096600] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 10:06:56,678 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 10:06:56,678 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-22 10:06:56,678 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617012681]
[2024-11-22 10:06:56,678 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 10:06:56,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-22 10:06:56,679 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 10:06:56,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-22 10:06:56,680 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-22 10:06:56,680 INFO  L87              Difference]: Start difference. First operand 64 states and 94 transitions. Second operand  has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-22 10:06:57,134 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 10:06:57,134 INFO  L93              Difference]: Finished difference Result 179 states and 269 transitions.
[2024-11-22 10:06:57,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-22 10:06:57,136 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 146
[2024-11-22 10:06:57,136 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 10:06:57,137 INFO  L225             Difference]: With dead ends: 179
[2024-11-22 10:06:57,138 INFO  L226             Difference]: Without dead ends: 118
[2024-11-22 10:06:57,138 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182
[2024-11-22 10:06:57,140 INFO  L432           NwaCegarLoop]: 88 mSDtfsCounter, 68 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 10:06:57,140 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 344 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 10:06:57,141 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2024-11-22 10:06:57,155 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117.
[2024-11-22 10:06:57,155 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 117 states, 66 states have (on average 1.196969696969697) internal successors, (79), 66 states have internal predecessors, (79), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-22 10:06:57,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 175 transitions.
[2024-11-22 10:06:57,157 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 175 transitions. Word has length 146
[2024-11-22 10:06:57,157 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 10:06:57,157 INFO  L471      AbstractCegarLoop]: Abstraction has 117 states and 175 transitions.
[2024-11-22 10:06:57,158 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-22 10:06:57,158 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 175 transitions.
[2024-11-22 10:06:57,159 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2024-11-22 10:06:57,159 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 10:06:57,159 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:57,160 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 10:06:57,160 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 10:06:57,160 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 10:06:57,160 INFO  L85        PathProgramCache]: Analyzing trace with hash 1907195845, now seen corresponding path program 1 times
[2024-11-22 10:06:57,160 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 10:06:57,161 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752515112]
[2024-11-22 10:06:57,161 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:06:57,161 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 10:06:57,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:06:58,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-22 10:06:58,726 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 10:06:58,726 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752515112]
[2024-11-22 10:06:58,727 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752515112] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 10:06:58,729 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 10:06:58,729 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-22 10:06:58,729 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126447944]
[2024-11-22 10:06:58,729 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 10:06:58,729 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-22 10:06:58,730 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 10:06:58,730 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-22 10:06:58,730 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-11-22 10:06:58,731 INFO  L87              Difference]: Start difference. First operand 117 states and 175 transitions. Second operand  has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-22 10:06:59,146 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 10:06:59,147 INFO  L93              Difference]: Finished difference Result 140 states and 200 transitions.
[2024-11-22 10:06:59,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-22 10:06:59,148 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147
[2024-11-22 10:06:59,148 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 10:06:59,150 INFO  L225             Difference]: With dead ends: 140
[2024-11-22 10:06:59,150 INFO  L226             Difference]: Without dead ends: 138
[2024-11-22 10:06:59,151 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182
[2024-11-22 10:06:59,152 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 36 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-22 10:06:59,152 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 463 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-22 10:06:59,153 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-22 10:06:59,169 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 120.
[2024-11-22 10:06:59,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 69 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-22 10:06:59,171 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 180 transitions.
[2024-11-22 10:06:59,171 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 180 transitions. Word has length 147
[2024-11-22 10:06:59,172 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 10:06:59,172 INFO  L471      AbstractCegarLoop]: Abstraction has 120 states and 180 transitions.
[2024-11-22 10:06:59,172 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-22 10:06:59,172 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions.
[2024-11-22 10:06:59,173 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2024-11-22 10:06:59,173 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 10:06:59,174 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:06:59,174 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 10:06:59,174 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 10:06:59,174 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 10:06:59,174 INFO  L85        PathProgramCache]: Analyzing trace with hash 1909042887, now seen corresponding path program 1 times
[2024-11-22 10:06:59,175 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 10:06:59,175 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993738451]
[2024-11-22 10:06:59,175 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:06:59,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 10:06:59,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:07:01,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-22 10:07:01,130 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 10:07:01,130 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993738451]
[2024-11-22 10:07:01,130 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993738451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 10:07:01,130 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 10:07:01,130 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-22 10:07:01,131 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238515786]
[2024-11-22 10:07:01,131 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 10:07:01,131 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-22 10:07:01,131 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 10:07:01,132 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-22 10:07:01,134 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-11-22 10:07:01,134 INFO  L87              Difference]: Start difference. First operand 120 states and 180 transitions. Second operand  has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-22 10:07:01,599 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 10:07:01,599 INFO  L93              Difference]: Finished difference Result 140 states and 200 transitions.
[2024-11-22 10:07:01,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-22 10:07:01,600 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 147
[2024-11-22 10:07:01,601 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 10:07:01,603 INFO  L225             Difference]: With dead ends: 140
[2024-11-22 10:07:01,603 INFO  L226             Difference]: Without dead ends: 138
[2024-11-22 10:07:01,604 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182
[2024-11-22 10:07:01,605 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 36 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 10:07:01,605 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 423 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 10:07:01,606 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-22 10:07:01,619 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 120.
[2024-11-22 10:07:01,620 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 69 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-22 10:07:01,621 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 180 transitions.
[2024-11-22 10:07:01,621 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 180 transitions. Word has length 147
[2024-11-22 10:07:01,622 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 10:07:01,622 INFO  L471      AbstractCegarLoop]: Abstraction has 120 states and 180 transitions.
[2024-11-22 10:07:01,622 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-22 10:07:01,622 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions.
[2024-11-22 10:07:01,626 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 290
[2024-11-22 10:07:01,626 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 10:07:01,626 INFO  L215           NwaCegarLoop]: trace histogram [48, 48, 48, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-22 10:07:01,626 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-22 10:07:01,627 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 10:07:01,627 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 10:07:01,628 INFO  L85        PathProgramCache]: Analyzing trace with hash 1488543230, now seen corresponding path program 1 times
[2024-11-22 10:07:01,628 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 10:07:01,629 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939899175]
[2024-11-22 10:07:01,629 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:07:01,629 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 10:07:01,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:07:03,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 4558 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked.
[2024-11-22 10:07:03,003 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 10:07:03,003 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939899175]
[2024-11-22 10:07:03,003 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939899175] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 10:07:03,003 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109698351]
[2024-11-22 10:07:03,003 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 10:07:03,004 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 10:07:03,004 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 10:07:03,007 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 10:07:03,008 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-22 10:07:03,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 10:07:03,107 INFO  L255         TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-22 10:07:03,125 INFO  L278         TraceCheckSpWp]: Computing forward predicates...