/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-86.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:14:53,701 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:14:53,777 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 05:14:53,783 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:14:53,784 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:14:53,813 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:14:53,814 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:14:53,814 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:14:53,815 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:14:53,815 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:14:53,815 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:14:53,816 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:14:53,817 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:14:53,818 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:14:53,819 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:14:53,819 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:14:53,819 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:14:53,819 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:14:53,820 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:14:53,820 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:14:53,820 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:14:53,823 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:14:53,823 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:14:53,823 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:14:53,824 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:14:53,824 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:14:53,824 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:14:53,824 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:14:53,825 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:14:53,825 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:14:53,825 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:14:53,826 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:14:53,826 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:14:53,826 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:14:53,826 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:14:53,827 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:14:53,827 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:14:53,827 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:14:53,827 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:14:53,828 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:14:53,828 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:14:53,829 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:14:53,829 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:14:53,829 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:14:53,829 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:14:54,057 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:14:54,080 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:14:54,083 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:14:54,084 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:14:54,084 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:14:54,085 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-86.i
[2024-11-03 05:14:55,452 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:14:55,647 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:14:55,647 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-86.i
[2024-11-03 05:14:55,655 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705ee28ae/9600315a796a46d086d4e6d9047aa6b2/FLAG6fd9e12e1
[2024-11-03 05:14:55,667 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705ee28ae/9600315a796a46d086d4e6d9047aa6b2
[2024-11-03 05:14:55,669 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:14:55,670 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:14:55,671 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:14:55,672 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:14:55,676 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:14:55,677 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:55,677 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50395355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55, skipping insertion in model container
[2024-11-03 05:14:55,677 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:55,697 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:14:55,845 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_amount25_file-86.i[915,928]
[2024-11-03 05:14:55,879 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:14:55,891 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:14:55,903 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_amount25_file-86.i[915,928]
[2024-11-03 05:14:55,922 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:14:55,939 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:14:55,940 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55 WrapperNode
[2024-11-03 05:14:55,940 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:14:55,941 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:14:55,941 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:14:55,941 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:14:55,948 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:55,960 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:55,983 INFO  L138                Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102
[2024-11-03 05:14:55,983 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:14:55,984 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:14:55,984 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:14:55,984 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:14:55,996 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:55,996 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:55,999 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,011 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 05:14:56,012 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,012 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,019 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,024 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,025 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,027 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,029 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:14:56,030 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:14:56,030 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:14:56,030 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:14:56,031 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (1/1) ...
[2024-11-03 05:14:56,038 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:14:56,048 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:14:56,064 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 05:14:56,072 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 05:14:56,097 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:14:56,098 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:14:56,098 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:14:56,098 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:14:56,098 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:14:56,098 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:14:56,189 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:14:56,192 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:14:56,545 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-03 05:14:56,545 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:14:56,561 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:14:56,561 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:14:56,562 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:14:56 BoogieIcfgContainer
[2024-11-03 05:14:56,562 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:14:56,565 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:14:56,565 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:14:56,568 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:14:56,569 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:14:55" (1/3) ...
[2024-11-03 05:14:56,570 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@895b2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:14:56, skipping insertion in model container
[2024-11-03 05:14:56,570 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:14:55" (2/3) ...
[2024-11-03 05:14:56,571 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@895b2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:14:56, skipping insertion in model container
[2024-11-03 05:14:56,571 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:14:56" (3/3) ...
[2024-11-03 05:14:56,574 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-86.i
[2024-11-03 05:14:56,590 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:14:56,591 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:14:56,666 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:14:56,673 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;@2550c1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:14:56,673 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:14:56,677 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-03 05:14:56,690 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 05:14:56,690 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:14:56,691 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:56,691 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:14:56,697 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:14:56,697 INFO  L85        PathProgramCache]: Analyzing trace with hash 1174992419, now seen corresponding path program 1 times
[2024-11-03 05:14:56,706 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:14:56,706 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063581915]
[2024-11-03 05:14:56,706 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:14:56,709 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:14:56,710 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:14:56,713 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:14:56,715 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-03 05:14:56,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:14:56,871 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:14:56,882 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:14:56,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-03 05:14:56,941 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:14:57,041 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked.
[2024-11-03 05:14:57,042 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:14:57,043 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063581915]
[2024-11-03 05:14:57,043 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1063581915] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:14:57,043 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:14:57,044 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:14:57,046 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039969047]
[2024-11-03 05:14:57,046 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:14:57,050 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:14:57,051 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:14:57,070 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:14:57,071 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:14:57,073 INFO  L87              Difference]: Start difference. First operand  has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-03 05:14:57,094 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:14:57,094 INFO  L93              Difference]: Finished difference Result 95 states and 161 transitions.
[2024-11-03 05:14:57,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:14:57,097 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108
[2024-11-03 05:14:57,097 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:14:57,104 INFO  L225             Difference]: With dead ends: 95
[2024-11-03 05:14:57,104 INFO  L226             Difference]: Without dead ends: 47
[2024-11-03 05:14:57,107 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 214 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 05:14:57,110 INFO  L432           NwaCegarLoop]: 68 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, 68 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 05:14:57,111 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:14:57,125 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-11-03 05:14:57,144 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-11-03 05:14:57,145 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-11-03 05:14:57,147 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions.
[2024-11-03 05:14:57,148 INFO  L78                 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 108
[2024-11-03 05:14:57,149 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:14:57,149 INFO  L471      AbstractCegarLoop]: Abstraction has 47 states and 68 transitions.
[2024-11-03 05:14:57,149 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17)
[2024-11-03 05:14:57,150 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions.
[2024-11-03 05:14:57,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 05:14:57,152 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:14:57,152 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:14:57,156 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0
[2024-11-03 05:14:57,355 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:14:57,356 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:14:57,357 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:14:57,357 INFO  L85        PathProgramCache]: Analyzing trace with hash 510743009, now seen corresponding path program 1 times
[2024-11-03 05:14:57,358 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:14:57,358 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275642571]
[2024-11-03 05:14:57,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:14:57,358 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:14:57,358 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:14:57,360 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:14:57,362 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-03 05:14:57,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:14:57,482 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 60 conjuncts are in the unsatisfiable core
[2024-11-03 05:14:57,496 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:15:00,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-03 05:15:00,711 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:15:10,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-03 05:15:10,380 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:15:10,380 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275642571]
[2024-11-03 05:15:10,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [275642571] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:15:10,380 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:15:10,381 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14
[2024-11-03 05:15:10,381 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720665121]
[2024-11-03 05:15:10,381 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:15:10,382 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-03 05:15:10,383 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:15:10,384 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-03 05:15:10,384 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2024-11-03 05:15:10,384 INFO  L87              Difference]: Start difference. First operand 47 states and 68 transitions. Second operand  has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 05:15:12,588 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:15:12,588 INFO  L93              Difference]: Finished difference Result 175 states and 236 transitions.
[2024-11-03 05:15:12,588 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-11-03 05:15:12,589 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 108
[2024-11-03 05:15:12,590 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:15:12,593 INFO  L225             Difference]: With dead ends: 175
[2024-11-03 05:15:12,593 INFO  L226             Difference]: Without dead ends: 173
[2024-11-03 05:15:12,594 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600
[2024-11-03 05:15:12,595 INFO  L432           NwaCegarLoop]: 57 mSDtfsCounter, 176 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-03 05:15:12,595 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 507 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-03 05:15:12,596 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2024-11-03 05:15:12,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 123.
[2024-11-03 05:15:12,633 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 123 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 76 states have internal predecessors, (91), 43 states have call successors, (43), 4 states have call predecessors, (43), 4 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43)
[2024-11-03 05:15:12,635 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 177 transitions.
[2024-11-03 05:15:12,635 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 177 transitions. Word has length 108
[2024-11-03 05:15:12,635 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:15:12,636 INFO  L471      AbstractCegarLoop]: Abstraction has 123 states and 177 transitions.
[2024-11-03 05:15:12,636 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 05:15:12,638 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 177 transitions.
[2024-11-03 05:15:12,639 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 05:15:12,639 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:15:12,640 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:12,644 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-03 05:15:12,840 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:15:12,841 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:15:12,841 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:15:12,841 INFO  L85        PathProgramCache]: Analyzing trace with hash 512590051, now seen corresponding path program 1 times
[2024-11-03 05:15:12,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:15:12,842 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264607881]
[2024-11-03 05:15:12,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:15:12,842 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:15:12,842 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:15:12,845 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:15:12,846 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-03 05:15:12,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:15:12,923 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 60 conjuncts are in the unsatisfiable core
[2024-11-03 05:15:12,930 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:15:15,891 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-03 05:15:15,891 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:15:26,667 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-03 05:15:26,668 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:15:26,668 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264607881]
[2024-11-03 05:15:26,668 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1264607881] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:15:26,668 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:15:26,668 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 18
[2024-11-03 05:15:26,669 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341875171]
[2024-11-03 05:15:26,669 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:15:26,669 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-03 05:15:26,670 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:15:26,670 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-03 05:15:26,671 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306
[2024-11-03 05:15:26,671 INFO  L87              Difference]: Start difference. First operand 123 states and 177 transitions. Second operand  has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 05:15:33,481 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:15:33,482 INFO  L93              Difference]: Finished difference Result 186 states and 252 transitions.
[2024-11-03 05:15:33,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2024-11-03 05:15:33,486 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 108
[2024-11-03 05:15:33,486 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:15:33,489 INFO  L225             Difference]: With dead ends: 186
[2024-11-03 05:15:33,489 INFO  L226             Difference]: Without dead ends: 184
[2024-11-03 05:15:33,490 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=293, Invalid=897, Unknown=0, NotChecked=0, Total=1190
[2024-11-03 05:15:33,492 INFO  L432           NwaCegarLoop]: 57 mSDtfsCounter, 156 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-11-03 05:15:33,492 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 483 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-11-03 05:15:33,493 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2024-11-03 05:15:33,518 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 127.
[2024-11-03 05:15:33,519 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 127 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 79 states have internal predecessors, (95), 43 states have call successors, (43), 5 states have call predecessors, (43), 5 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43)
[2024-11-03 05:15:33,520 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 181 transitions.
[2024-11-03 05:15:33,521 INFO  L78                 Accepts]: Start accepts. Automaton has 127 states and 181 transitions. Word has length 108
[2024-11-03 05:15:33,521 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:15:33,521 INFO  L471      AbstractCegarLoop]: Abstraction has 127 states and 181 transitions.
[2024-11-03 05:15:33,522 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 2.8333333333333335) internal successors, (51), 18 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 05:15:33,522 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 181 transitions.
[2024-11-03 05:15:33,523 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-03 05:15:33,523 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:15:33,523 INFO  L215           NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:33,526 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-03 05:15:33,725 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:15:33,726 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:15:33,726 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:15:33,726 INFO  L85        PathProgramCache]: Analyzing trace with hash 117715999, now seen corresponding path program 1 times
[2024-11-03 05:15:33,727 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:15:33,727 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787119500]
[2024-11-03 05:15:33,727 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:15:33,727 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:15:33,727 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:15:33,730 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:15:33,731 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2024-11-03 05:15:33,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:15:33,807 INFO  L255         TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 59 conjuncts are in the unsatisfiable core
[2024-11-03 05:15:33,812 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:15:35,249 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-03 05:15:35,249 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:15:58,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked.
[2024-11-03 05:15:58,304 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:15:58,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787119500]
[2024-11-03 05:15:58,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1787119500] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:15:58,304 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:15:58,305 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 13] imperfect sequences [] total 21
[2024-11-03 05:15:58,305 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68944455]
[2024-11-03 05:15:58,305 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:15:58,306 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-11-03 05:15:58,306 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:15:58,307 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-11-03 05:15:58,307 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=305, Unknown=1, NotChecked=0, Total=420
[2024-11-03 05:15:58,307 INFO  L87              Difference]: Start difference. First operand 127 states and 181 transitions. Second operand  has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 6 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34)
[2024-11-03 05:16:08,621 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:16:08,621 INFO  L93              Difference]: Finished difference Result 331 states and 462 transitions.
[2024-11-03 05:16:08,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-03 05:16:08,622 INFO  L78                 Accepts]: Start accepts. Automaton has  has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 6 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 108
[2024-11-03 05:16:08,622 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:16:08,625 INFO  L225             Difference]: With dead ends: 331
[2024-11-03 05:16:08,625 INFO  L226             Difference]: Without dead ends: 249
[2024-11-03 05:16:08,626 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 182 SyntacticMatches, 15 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=369, Invalid=890, Unknown=1, NotChecked=0, Total=1260
[2024-11-03 05:16:08,627 INFO  L432           NwaCegarLoop]: 62 mSDtfsCounter, 181 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time
[2024-11-03 05:16:08,627 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 415 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time]
[2024-11-03 05:16:08,628 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2024-11-03 05:16:08,675 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 208.
[2024-11-03 05:16:08,677 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 208 states, 129 states have (on average 1.178294573643411) internal successors, (152), 131 states have internal predecessors, (152), 69 states have call successors, (69), 9 states have call predecessors, (69), 9 states have return successors, (69), 67 states have call predecessors, (69), 69 states have call successors, (69)
[2024-11-03 05:16:08,678 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 290 transitions.
[2024-11-03 05:16:08,679 INFO  L78                 Accepts]: Start accepts. Automaton has 208 states and 290 transitions. Word has length 108
[2024-11-03 05:16:08,679 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:16:08,680 INFO  L471      AbstractCegarLoop]: Abstraction has 208 states and 290 transitions.
[2024-11-03 05:16:08,680 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 6 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34)
[2024-11-03 05:16:08,683 INFO  L276                IsEmpty]: Start isEmpty. Operand 208 states and 290 transitions.
[2024-11-03 05:16:08,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2024-11-03 05:16:08,687 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:16:08,688 INFO  L215           NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 05:16:08,691 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0
[2024-11-03 05:16:08,890 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:16:08,891 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:16:08,891 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:16:08,891 INFO  L85        PathProgramCache]: Analyzing trace with hash -211789156, now seen corresponding path program 1 times
[2024-11-03 05:16:08,891 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:16:08,891 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829165802]
[2024-11-03 05:16:08,892 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:16:08,892 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:16:08,892 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:16:08,894 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:16:08,895 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-03 05:16:08,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:16:08,972 INFO  L255         TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:16:08,976 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:16:09,310 INFO  L134       CoverageAnalysis]: Checked inductivity of 2280 backedges. 1192 proven. 0 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked.
[2024-11-03 05:16:09,310 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:16:09,649 INFO  L134       CoverageAnalysis]: Checked inductivity of 2280 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked.
[2024-11-03 05:16:09,649 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:16:09,649 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829165802]
[2024-11-03 05:16:09,649 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1829165802] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:16:09,650 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:16:09,650 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:16:09,650 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036961936]
[2024-11-03 05:16:09,650 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:16:09,651 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:16:09,651 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:16:09,651 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:16:09,652 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:16:09,652 INFO  L87              Difference]: Start difference. First operand 208 states and 290 transitions. Second operand  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51)
[2024-11-03 05:16:09,748 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:16:09,748 INFO  L93              Difference]: Finished difference Result 309 states and 439 transitions.
[2024-11-03 05:16:09,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:16:09,749 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 213
[2024-11-03 05:16:09,750 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:16:09,752 INFO  L225             Difference]: With dead ends: 309
[2024-11-03 05:16:09,752 INFO  L226             Difference]: Without dead ends: 205
[2024-11-03 05:16:09,753 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:16:09,754 INFO  L432           NwaCegarLoop]: 126 mSDtfsCounter, 4 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-03 05:16:09,754 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 185 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-03 05:16:09,756 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 205 states.
[2024-11-03 05:16:09,783 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 202.
[2024-11-03 05:16:09,784 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 202 states, 123 states have (on average 1.146341463414634) internal successors, (141), 125 states have internal predecessors, (141), 69 states have call successors, (69), 9 states have call predecessors, (69), 9 states have return successors, (69), 67 states have call predecessors, (69), 69 states have call successors, (69)
[2024-11-03 05:16:09,785 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 279 transitions.
[2024-11-03 05:16:09,786 INFO  L78                 Accepts]: Start accepts. Automaton has 202 states and 279 transitions. Word has length 213
[2024-11-03 05:16:09,787 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:16:09,787 INFO  L471      AbstractCegarLoop]: Abstraction has 202 states and 279 transitions.
[2024-11-03 05:16:09,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51)
[2024-11-03 05:16:09,789 INFO  L276                IsEmpty]: Start isEmpty. Operand 202 states and 279 transitions.
[2024-11-03 05:16:09,792 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 214
[2024-11-03 05:16:09,792 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:16:09,792 INFO  L215           NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-03 05:16:09,794 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0
[2024-11-03 05:16:09,992 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt
[2024-11-03 05:16:09,993 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:16:09,994 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:16:09,994 INFO  L85        PathProgramCache]: Analyzing trace with hash -209942114, now seen corresponding path program 1 times
[2024-11-03 05:16:09,994 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:16:09,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989239645]
[2024-11-03 05:16:09,994 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:16:09,994 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:16:09,994 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:16:09,995 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-03 05:16:09,996 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process
[2024-11-03 05:16:10,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:16:10,099 INFO  L255         TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 107 conjuncts are in the unsatisfiable core
[2024-11-03 05:16:10,107 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:16:19,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 2280 backedges. 16 proven. 1240 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked.
[2024-11-03 05:16:19,367 INFO  L311         TraceCheckSpWp]: Computing backward predicates...