/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 12:35:17,385 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 12:35:17,429 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 12:35:17,432 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 12:35:17,432 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 12:35:17,446 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 12:35:17,446 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 12:35:17,447 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 12:35:17,447 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 12:35:17,447 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 12:35:17,447 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 12:35:17,448 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 12:35:17,448 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 12:35:17,448 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 12:35:17,448 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 12:35:17,449 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 12:35:17,449 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 12:35:17,449 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 12:35:17,449 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 12:35:17,450 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 12:35:17,450 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 12:35:17,452 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 12:35:17,452 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 12:35:17,452 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 12:35:17,452 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 12:35:17,452 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 12:35:17,453 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 12:35:17,453 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 12:35:17,453 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 12:35:17,453 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 12:35:17,454 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 12:35:17,454 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 12:35:17,454 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 12:35:17,454 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 12:35:17,454 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:35:17,455 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 12:35:17,455 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 12:35:17,455 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 12:35:17,455 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 12:35:17,455 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 12:35:17,456 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 12:35:17,456 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 12:35:17,456 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 12:35:17,456 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 12:35:17,456 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla
[2024-11-03 12:35:17,641 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 12:35:17,664 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 12:35:17,666 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 12:35:17,667 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 12:35:17,667 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 12:35:17,668 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i
[2024-11-03 12:35:18,964 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 12:35:19,156 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 12:35:19,156 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i
[2024-11-03 12:35:19,169 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef63e982f/52b0c058c02f478cb8d4302d0d428879/FLAGc8cdcd72e
[2024-11-03 12:35:19,189 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef63e982f/52b0c058c02f478cb8d4302d0d428879
[2024-11-03 12:35:19,192 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 12:35:19,194 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 12:35:19,201 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 12:35:19,201 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 12:35:19,205 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 12:35:19,205 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,206 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8ceef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19, skipping insertion in model container
[2024-11-03 12:35:19,206 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,239 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 12:35:19,372 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i[916,929]
[2024-11-03 12:35:19,433 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:35:19,448 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 12:35:19,463 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i[916,929]
[2024-11-03 12:35:19,507 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 12:35:19,527 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 12:35:19,529 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19 WrapperNode
[2024-11-03 12:35:19,529 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 12:35:19,530 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 12:35:19,530 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 12:35:19,530 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 12:35:19,534 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,546 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,578 INFO  L138                Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178
[2024-11-03 12:35:19,578 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 12:35:19,579 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 12:35:19,579 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 12:35:19,579 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 12:35:19,591 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,591 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,595 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,605 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].
[2024-11-03 12:35:19,605 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,605 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,616 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,622 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,624 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,631 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,633 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 12:35:19,634 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 12:35:19,634 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 12:35:19,634 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 12:35:19,635 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (1/1) ...
[2024-11-03 12:35:19,641 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 12:35:19,649 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 12:35:19,663 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)
[2024-11-03 12:35:19,665 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
[2024-11-03 12:35:19,684 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 12:35:19,684 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 12:35:19,685 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 12:35:19,685 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 12:35:19,685 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 12:35:19,686 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 12:35:19,760 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 12:35:19,762 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 12:35:20,601 INFO  L?                        ?]: Removed 21 outVars from TransFormulas that were not future-live.
[2024-11-03 12:35:20,601 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 12:35:20,621 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 12:35:20,622 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 12:35:20,622 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:35:20 BoogieIcfgContainer
[2024-11-03 12:35:20,622 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 12:35:20,624 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 12:35:20,624 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 12:35:20,627 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 12:35:20,627 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:35:19" (1/3) ...
[2024-11-03 12:35:20,627 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ade704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:35:20, skipping insertion in model container
[2024-11-03 12:35:20,627 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:35:19" (2/3) ...
[2024-11-03 12:35:20,628 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ade704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:35:20, skipping insertion in model container
[2024-11-03 12:35:20,628 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:35:20" (3/3) ...
[2024-11-03 12:35:20,629 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-63.i
[2024-11-03 12:35:20,642 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 12:35:20,642 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 12:35:20,722 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 12:35:20,727 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;@78244a0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 12:35:20,727 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 12:35:20,731 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-03 12:35:20,741 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:35:20,742 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:35:20,742 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:35:20,743 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:35:20,747 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:35:20,747 INFO  L85        PathProgramCache]: Analyzing trace with hash -1892635537, now seen corresponding path program 1 times
[2024-11-03 12:35:20,754 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:35:20,754 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236284839]
[2024-11-03 12:35:20,754 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:35:20,756 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:35:20,756 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:20,763 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:35:20,767 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process
[2024-11-03 12:35:20,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:35:20,868 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 12:35:20,875 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:35:20,907 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-03 12:35:20,907 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:35:21,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-03 12:35:21,066 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:35:21,066 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236284839]
[2024-11-03 12:35:21,066 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [236284839] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:35:21,067 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:35:21,067 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2024-11-03 12:35:21,069 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331733945]
[2024-11-03 12:35:21,070 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:35:21,076 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 12:35:21,076 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:35:21,094 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 12:35:21,095 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:35:21,097 INFO  L87              Difference]: Start difference. First operand  has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-03 12:35:21,121 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:35:21,122 INFO  L93              Difference]: Finished difference Result 145 states and 250 transitions.
[2024-11-03 12:35:21,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 12:35:21,124 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140
[2024-11-03 12:35:21,124 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:35:21,132 INFO  L225             Difference]: With dead ends: 145
[2024-11-03 12:35:21,133 INFO  L226             Difference]: Without dead ends: 72
[2024-11-03 12:35:21,136 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 12:35:21,139 INFO  L432           NwaCegarLoop]: 109 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, 109 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
[2024-11-03 12:35:21,140 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 12:35:21,154 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-11-03 12:35:21,172 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-11-03 12:35:21,173 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-03 12:35:21,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions.
[2024-11-03 12:35:21,175 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 140
[2024-11-03 12:35:21,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:35:21,176 INFO  L471      AbstractCegarLoop]: Abstraction has 72 states and 109 transitions.
[2024-11-03 12:35:21,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-03 12:35:21,176 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions.
[2024-11-03 12:35:21,178 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:35:21,178 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:35:21,178 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:35:21,185 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0
[2024-11-03 12:35:21,384 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:21,385 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:35:21,386 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:35:21,386 INFO  L85        PathProgramCache]: Analyzing trace with hash -1501656533, now seen corresponding path program 1 times
[2024-11-03 12:35:21,386 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:35:21,386 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054819606]
[2024-11-03 12:35:21,387 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:35:21,387 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:35:21,387 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:21,388 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:35:21,390 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process
[2024-11-03 12:35:21,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:35:21,479 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-03 12:35:21,483 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:35:21,671 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-03 12:35:21,672 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:35:21,808 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-03 12:35:21,808 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:35:21,808 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054819606]
[2024-11-03 12:35:21,808 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2054819606] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:35:21,808 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:35:21,809 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5
[2024-11-03 12:35:21,809 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623123170]
[2024-11-03 12:35:21,809 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:35:21,810 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-03 12:35:21,811 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:35:21,811 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-03 12:35:21,811 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-03 12:35:21,812 INFO  L87              Difference]: Start difference. First operand 72 states and 109 transitions. Second operand  has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-03 12:35:22,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:35:22,410 INFO  L93              Difference]: Finished difference Result 272 states and 406 transitions.
[2024-11-03 12:35:22,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-03 12:35:22,410 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140
[2024-11-03 12:35:22,411 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:35:22,413 INFO  L225             Difference]: With dead ends: 272
[2024-11-03 12:35:22,413 INFO  L226             Difference]: Without dead ends: 203
[2024-11-03 12:35:22,414 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2024-11-03 12:35:22,415 INFO  L432           NwaCegarLoop]: 130 mSDtfsCounter, 317 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-03 12:35:22,415 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 295 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-03 12:35:22,416 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2024-11-03 12:35:22,445 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 120.
[2024-11-03 12:35:22,446 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 90 states have internal predecessors, (124), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-03 12:35:22,447 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 180 transitions.
[2024-11-03 12:35:22,448 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 180 transitions. Word has length 140
[2024-11-03 12:35:22,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:35:22,448 INFO  L471      AbstractCegarLoop]: Abstraction has 120 states and 180 transitions.
[2024-11-03 12:35:22,449 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)
[2024-11-03 12:35:22,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions.
[2024-11-03 12:35:22,450 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:35:22,450 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:35:22,451 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:35:22,455 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0
[2024-11-03 12:35:22,653 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:22,654 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:35:22,654 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:35:22,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -1048564375, now seen corresponding path program 1 times
[2024-11-03 12:35:22,654 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:35:22,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108926038]
[2024-11-03 12:35:22,655 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:35:22,656 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:35:22,656 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:35:22,658 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:35:22,659 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process
[2024-11-03 12:35:22,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:35:22,749 INFO  L255         TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-03 12:35:22,754 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:35:23,928 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked.
[2024-11-03 12:35:23,928 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:35:28,847 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked.
[2024-11-03 12:35:28,848 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:35:28,848 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108926038]
[2024-11-03 12:35:28,848 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1108926038] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:35:28,848 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:35:28,848 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18
[2024-11-03 12:35:28,848 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507096718]
[2024-11-03 12:35:28,849 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:35:28,849 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-03 12:35:28,849 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:35:28,850 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-03 12:35:28,850 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306
[2024-11-03 12:35:28,850 INFO  L87              Difference]: Start difference. First operand 120 states and 180 transitions. Second operand  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40)
[2024-11-03 12:36:32,710 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 12:36:39,349 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:36:39,349 INFO  L93              Difference]: Finished difference Result 587 states and 859 transitions.
[2024-11-03 12:36:39,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-11-03 12:36:39,374 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 140
[2024-11-03 12:36:39,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:36:39,379 INFO  L225             Difference]: With dead ends: 587
[2024-11-03 12:36:39,379 INFO  L226             Difference]: Without dead ends: 470
[2024-11-03 12:36:39,381 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 26.9s TimeCoverageRelationStatistics Valid=603, Invalid=1119, Unknown=0, NotChecked=0, Total=1722
[2024-11-03 12:36:39,382 INFO  L432           NwaCegarLoop]: 89 mSDtfsCounter, 891 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time
[2024-11-03 12:36:39,382 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 550 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 46.2s Time]
[2024-11-03 12:36:39,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 470 states.
[2024-11-03 12:36:39,418 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 298.
[2024-11-03 12:36:39,419 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 298 states, 210 states have (on average 1.3333333333333333) internal successors, (280), 212 states have internal predecessors, (280), 76 states have call successors, (76), 11 states have call predecessors, (76), 11 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76)
[2024-11-03 12:36:39,421 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 432 transitions.
[2024-11-03 12:36:39,422 INFO  L78                 Accepts]: Start accepts. Automaton has 298 states and 432 transitions. Word has length 140
[2024-11-03 12:36:39,422 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:36:39,422 INFO  L471      AbstractCegarLoop]: Abstraction has 298 states and 432 transitions.
[2024-11-03 12:36:39,423 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40)
[2024-11-03 12:36:39,423 INFO  L276                IsEmpty]: Start isEmpty. Operand 298 states and 432 transitions.
[2024-11-03 12:36:39,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 12:36:39,424 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:36:39,424 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:36:39,444 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0
[2024-11-03 12:36:39,625 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:39,626 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:36:39,626 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:36:39,627 INFO  L85        PathProgramCache]: Analyzing trace with hash 924292043, now seen corresponding path program 1 times
[2024-11-03 12:36:39,627 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:36:39,627 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559232679]
[2024-11-03 12:36:39,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:36:39,627 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:36:39,627 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:39,631 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:36:39,632 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process
[2024-11-03 12:36:39,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:36:39,705 INFO  L255         TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 12:36:39,710 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:36:41,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 343 proven. 39 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-11-03 12:36:41,139 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:36:42,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-03 12:36:42,642 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:36:42,642 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559232679]
[2024-11-03 12:36:42,642 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1559232679] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:36:42,642 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:36:42,642 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-03 12:36:42,643 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344633259]
[2024-11-03 12:36:42,643 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:36:42,643 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 12:36:42,643 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:36:42,644 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 12:36:42,644 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:36:42,644 INFO  L87              Difference]: Start difference. First operand 298 states and 432 transitions. Second operand  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 12:36:44,631 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:36:44,631 INFO  L93              Difference]: Finished difference Result 557 states and 790 transitions.
[2024-11-03 12:36:44,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-03 12:36:44,655 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 140
[2024-11-03 12:36:44,656 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:36:44,658 INFO  L225             Difference]: With dead ends: 557
[2024-11-03 12:36:44,658 INFO  L226             Difference]: Without dead ends: 318
[2024-11-03 12:36:44,659 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-03 12:36:44,660 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 107 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-03 12:36:44,660 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 191 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-03 12:36:44,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2024-11-03 12:36:44,707 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 304.
[2024-11-03 12:36:44,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 304 states, 211 states have (on average 1.2511848341232228) internal successors, (264), 213 states have internal predecessors, (264), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76)
[2024-11-03 12:36:44,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 416 transitions.
[2024-11-03 12:36:44,711 INFO  L78                 Accepts]: Start accepts. Automaton has 304 states and 416 transitions. Word has length 140
[2024-11-03 12:36:44,711 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:36:44,711 INFO  L471      AbstractCegarLoop]: Abstraction has 304 states and 416 transitions.
[2024-11-03 12:36:44,711 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 12:36:44,711 INFO  L276                IsEmpty]: Start isEmpty. Operand 304 states and 416 transitions.
[2024-11-03 12:36:44,713 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-03 12:36:44,713 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:36:44,713 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:36:44,721 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0
[2024-11-03 12:36:44,913 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:44,914 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:36:44,914 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:36:44,914 INFO  L85        PathProgramCache]: Analyzing trace with hash 110609269, now seen corresponding path program 1 times
[2024-11-03 12:36:44,914 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:36:44,915 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520815931]
[2024-11-03 12:36:44,915 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:36:44,915 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:36:44,915 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:44,917 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:36:44,918 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process
[2024-11-03 12:36:44,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:36:44,984 INFO  L255         TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 12:36:44,987 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:36:46,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked.
[2024-11-03 12:36:46,240 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:36:47,736 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-03 12:36:47,737 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:36:47,737 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520815931]
[2024-11-03 12:36:47,737 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [520815931] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 12:36:47,737 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 12:36:47,737 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-03 12:36:47,737 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859953210]
[2024-11-03 12:36:47,737 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 12:36:47,738 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 12:36:47,738 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:36:47,738 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 12:36:47,738 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:36:47,739 INFO  L87              Difference]: Start difference. First operand 304 states and 416 transitions. Second operand  has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 12:36:49,780 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:36:49,780 INFO  L93              Difference]: Finished difference Result 487 states and 653 transitions.
[2024-11-03 12:36:49,783 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 12:36:49,784 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141
[2024-11-03 12:36:49,784 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:36:49,786 INFO  L225             Difference]: With dead ends: 487
[2024-11-03 12:36:49,786 INFO  L226             Difference]: Without dead ends: 254
[2024-11-03 12:36:49,787 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-03 12:36:49,787 INFO  L432           NwaCegarLoop]: 72 mSDtfsCounter, 92 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-03 12:36:49,788 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 172 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-03 12:36:49,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2024-11-03 12:36:49,811 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 224.
[2024-11-03 12:36:49,811 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 224 states, 147 states have (on average 1.1700680272108843) internal successors, (172), 147 states have internal predecessors, (172), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-03 12:36:49,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 292 transitions.
[2024-11-03 12:36:49,813 INFO  L78                 Accepts]: Start accepts. Automaton has 224 states and 292 transitions. Word has length 141
[2024-11-03 12:36:49,813 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:36:49,813 INFO  L471      AbstractCegarLoop]: Abstraction has 224 states and 292 transitions.
[2024-11-03 12:36:49,813 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 12:36:49,814 INFO  L276                IsEmpty]: Start isEmpty. Operand 224 states and 292 transitions.
[2024-11-03 12:36:49,815 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-03 12:36:49,815 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:36:49,815 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:36:49,822 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0
[2024-11-03 12:36:50,015 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:50,016 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:36:50,016 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:36:50,016 INFO  L85        PathProgramCache]: Analyzing trace with hash 563701427, now seen corresponding path program 1 times
[2024-11-03 12:36:50,016 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:36:50,017 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450360204]
[2024-11-03 12:36:50,017 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:36:50,017 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:36:50,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:50,019 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:36:50,020 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process
[2024-11-03 12:36:50,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:36:50,068 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 12:36:50,070 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:36:52,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-03 12:36:52,640 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:36:53,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-03 12:36:53,556 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:36:53,557 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450360204]
[2024-11-03 12:36:53,557 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [450360204] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:36:53,557 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:36:53,557 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7
[2024-11-03 12:36:53,557 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559845793]
[2024-11-03 12:36:53,557 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:36:53,557 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 12:36:53,558 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:36:53,558 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 12:36:53,558 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-03 12:36:53,558 INFO  L87              Difference]: Start difference. First operand 224 states and 292 transitions. Second operand  has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2024-11-03 12:36:56,311 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:36:56,311 INFO  L93              Difference]: Finished difference Result 517 states and 680 transitions.
[2024-11-03 12:36:56,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-03 12:36:56,315 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 141
[2024-11-03 12:36:56,315 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:36:56,322 INFO  L225             Difference]: With dead ends: 517
[2024-11-03 12:36:56,323 INFO  L226             Difference]: Without dead ends: 359
[2024-11-03 12:36:56,326 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132
[2024-11-03 12:36:56,326 INFO  L432           NwaCegarLoop]: 91 mSDtfsCounter, 236 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-03 12:36:56,327 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 473 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-03 12:36:56,327 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 359 states.
[2024-11-03 12:36:56,394 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 232.
[2024-11-03 12:36:56,395 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 232 states, 155 states have (on average 1.1741935483870967) internal successors, (182), 155 states have internal predecessors, (182), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-03 12:36:56,400 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 302 transitions.
[2024-11-03 12:36:56,404 INFO  L78                 Accepts]: Start accepts. Automaton has 232 states and 302 transitions. Word has length 141
[2024-11-03 12:36:56,405 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:36:56,405 INFO  L471      AbstractCegarLoop]: Abstraction has 232 states and 302 transitions.
[2024-11-03 12:36:56,405 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2024-11-03 12:36:56,405 INFO  L276                IsEmpty]: Start isEmpty. Operand 232 states and 302 transitions.
[2024-11-03 12:36:56,408 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-03 12:36:56,408 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:36:56,408 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:36:56,413 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0
[2024-11-03 12:36:56,608 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:56,609 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:36:56,610 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:36:56,610 INFO  L85        PathProgramCache]: Analyzing trace with hash -1125242315, now seen corresponding path program 1 times
[2024-11-03 12:36:56,610 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:36:56,610 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323001970]
[2024-11-03 12:36:56,610 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:36:56,610 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:36:56,610 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:36:56,612 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:36:56,613 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process
[2024-11-03 12:36:56,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:36:56,678 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 12:36:56,681 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 12:36:59,622 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-03 12:36:59,622 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 12:37:00,694 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-03 12:37:00,695 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 12:37:00,695 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323001970]
[2024-11-03 12:37:00,695 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [323001970] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 12:37:00,695 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 12:37:00,695 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 8
[2024-11-03 12:37:00,695 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147976704]
[2024-11-03 12:37:00,695 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 12:37:00,696 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 12:37:00,696 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 12:37:00,696 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 12:37:00,696 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-03 12:37:00,697 INFO  L87              Difference]: Start difference. First operand 232 states and 302 transitions. Second operand  has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2024-11-03 12:37:03,215 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 12:37:03,216 INFO  L93              Difference]: Finished difference Result 592 states and 777 transitions.
[2024-11-03 12:37:03,219 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-03 12:37:03,219 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 141
[2024-11-03 12:37:03,220 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 12:37:03,225 INFO  L225             Difference]: With dead ends: 592
[2024-11-03 12:37:03,225 INFO  L226             Difference]: Without dead ends: 441
[2024-11-03 12:37:03,228 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240
[2024-11-03 12:37:03,229 INFO  L432           NwaCegarLoop]: 91 mSDtfsCounter, 366 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-03 12:37:03,229 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 460 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-03 12:37:03,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 441 states.
[2024-11-03 12:37:03,258 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 260.
[2024-11-03 12:37:03,258 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 260 states, 183 states have (on average 1.2021857923497268) internal successors, (220), 183 states have internal predecessors, (220), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-03 12:37:03,259 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 340 transitions.
[2024-11-03 12:37:03,260 INFO  L78                 Accepts]: Start accepts. Automaton has 260 states and 340 transitions. Word has length 141
[2024-11-03 12:37:03,260 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 12:37:03,260 INFO  L471      AbstractCegarLoop]: Abstraction has 260 states and 340 transitions.
[2024-11-03 12:37:03,260 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2024-11-03 12:37:03,260 INFO  L276                IsEmpty]: Start isEmpty. Operand 260 states and 340 transitions.
[2024-11-03 12:37:03,261 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-03 12:37:03,261 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 12:37:03,261 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 12:37:03,264 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0
[2024-11-03 12:37:03,463 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:03,463 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 12:37:03,463 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 12:37:03,464 INFO  L85        PathProgramCache]: Analyzing trace with hash -1518269325, now seen corresponding path program 1 times
[2024-11-03 12:37:03,464 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 12:37:03,464 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271479007]
[2024-11-03 12:37:03,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 12:37:03,464 INFO  L173          SolverBuilder]: Constructing external solver with command: bitwuzla
[2024-11-03 12:37:03,464 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla
[2024-11-03 12:37:03,466 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null)
[2024-11-03 12:37:03,470 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process
[2024-11-03 12:37:03,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 12:37:03,534 INFO  L255         TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 24 conjuncts are in the unsatisfiable core
[2024-11-03 12:37:03,537 INFO  L278         TraceCheckSpWp]: Computing forward predicates...