/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_amount100_file-45.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:40:25,705 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:40:25,755 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 04:40:25,758 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:40:25,758 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:40:25,776 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:40:25,778 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:40:25,779 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:40:25,779 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:40:25,780 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:40:25,781 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:40:25,781 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:40:25,781 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:40:25,781 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:40:25,781 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:40:25,782 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:40:25,782 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:40:25,782 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:40:25,782 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:40:25,782 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:40:25,783 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:40:25,785 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:40:25,785 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:40:25,785 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:40:25,786 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:40:25,786 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:40:25,786 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:40:25,786 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:40:25,786 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:40:25,786 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:40:25,787 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:40:25,787 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:40:25,787 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:40:25,787 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:40:25,787 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:40:25,788 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:40:25,788 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:40:25,789 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:25,967 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:40:25,984 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:40:25,986 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:40:25,987 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:40:25,987 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:40:25,988 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-45.i
[2024-11-03 04:40:27,134 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:40:27,308 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:40:27,309 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-45.i
[2024-11-03 04:40:27,319 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b61979e96/b67150357f8b4a9bb6cc2c3fce0079ae/FLAGc69392047
[2024-11-03 04:40:27,708 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b61979e96/b67150357f8b4a9bb6cc2c3fce0079ae
[2024-11-03 04:40:27,710 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:40:27,711 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:40:27,715 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:40:27,715 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:40:27,718 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:40:27,719 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:27" (1/1) ...
[2024-11-03 04:40:27,720 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5738c997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:27, skipping insertion in model container
[2024-11-03 04:40:27,720 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:27" (1/1) ...
[2024-11-03 04:40:27,748 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:40:27,866 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-45.i[916,929]
[2024-11-03 04:40:27,921 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:40:27,941 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:40:27,949 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-45.i[916,929]
[2024-11-03 04:40:27,982 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:40:28,006 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:40:28,007 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28 WrapperNode
[2024-11-03 04:40:28,007 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:40:28,008 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:40:28,008 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:40:28,008 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:40:28,013 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,023 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,043 INFO  L138                Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205
[2024-11-03 04:40:28,043 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:40:28,044 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:40:28,044 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:40:28,044 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:40:28,051 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,051 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,055 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,065 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 04:40:28,065 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,065 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,077 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,096 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,101 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,102 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,106 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:40:28,107 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:40:28,107 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:40:28,107 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:40:28,108 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (1/1) ...
[2024-11-03 04:40:28,119 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:40:28,130 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:40:28,143 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 04:40:28,146 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 04:40:28,165 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:40:28,166 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:40:28,166 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:40:28,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:40:28,166 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:40:28,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:40:28,236 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:40:28,239 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:40:34,357 INFO  L?                        ?]: Removed 24 outVars from TransFormulas that were not future-live.
[2024-11-03 04:40:34,357 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:40:34,366 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:40:34,367 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:40:34,367 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:34 BoogieIcfgContainer
[2024-11-03 04:40:34,367 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:40:34,369 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:40:34,369 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:40:34,373 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:40:34,373 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:40:27" (1/3) ...
[2024-11-03 04:40:34,374 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a66f6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:34, skipping insertion in model container
[2024-11-03 04:40:34,374 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:28" (2/3) ...
[2024-11-03 04:40:34,374 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a66f6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:34, skipping insertion in model container
[2024-11-03 04:40:34,374 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:34" (3/3) ...
[2024-11-03 04:40:34,375 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-45.i
[2024-11-03 04:40:34,386 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:40:34,387 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:40:34,439 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:40:34,444 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;@3dd19be3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:40:34,444 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:40:34,447 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 85 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 54 states have internal predecessors, (72), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-03 04:40:34,456 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-03 04:40:34,457 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:34,457 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:34,457 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:34,461 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:34,461 INFO  L85        PathProgramCache]: Analyzing trace with hash 601527963, now seen corresponding path program 1 times
[2024-11-03 04:40:34,466 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:34,467 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549440066]
[2024-11-03 04:40:34,467 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:34,468 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:34,468 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:34,471 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 04:40:34,472 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 04:40:34,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:34,623 INFO  L255         TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:34,633 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:34,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked.
[2024-11-03 04:40:34,679 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:40:35,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked.
[2024-11-03 04:40:35,353 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:40:35,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549440066]
[2024-11-03 04:40:35,354 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [549440066] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:40:35,354 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:40:35,354 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:40:35,356 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065707925]
[2024-11-03 04:40:35,357 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:40:35,360 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:40:35,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:40:35,379 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:40:35,379 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:40:35,381 INFO  L87              Difference]: Start difference. First operand  has 85 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 54 states have internal predecessors, (72), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand  has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:40:35,410 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:40:35,410 INFO  L93              Difference]: Finished difference Result 163 states and 283 transitions.
[2024-11-03 04:40:35,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:40:35,415 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), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 185
[2024-11-03 04:40:35,416 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:40:35,421 INFO  L225             Difference]: With dead ends: 163
[2024-11-03 04:40:35,421 INFO  L226             Difference]: Without dead ends: 81
[2024-11-03 04:40:35,425 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 368 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 04:40:35,429 INFO  L432           NwaCegarLoop]: 123 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, 123 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 04:40:35,430 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:40:35,443 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-11-03 04:40:35,461 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2024-11-03 04:40:35,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-03 04:40:35,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 123 transitions.
[2024-11-03 04:40:35,466 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 123 transitions. Word has length 185
[2024-11-03 04:40:35,467 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:40:35,467 INFO  L471      AbstractCegarLoop]: Abstraction has 81 states and 123 transitions.
[2024-11-03 04:40:35,467 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), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:40:35,469 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions.
[2024-11-03 04:40:35,473 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-03 04:40:35,473 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:35,473 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:35,477 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 04:40:35,676 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 04:40:35,677 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:35,677 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:35,677 INFO  L85        PathProgramCache]: Analyzing trace with hash 819386525, now seen corresponding path program 1 times
[2024-11-03 04:40:35,677 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:35,678 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139458181]
[2024-11-03 04:40:35,678 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:35,678 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:35,678 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:35,679 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 04:40:35,680 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 04:40:35,822 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:35,828 INFO  L255         TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 106 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:35,844 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:42,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked.
[2024-11-03 04:40:42,115 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:40:54,673 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-03 04:40:54,673 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:40:54,673 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139458181]
[2024-11-03 04:40:54,673 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [139458181] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:40:54,674 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:40:54,674 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10
[2024-11-03 04:40:54,674 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404510351]
[2024-11-03 04:40:54,674 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:40:54,675 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 04:40:54,675 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:40:54,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 04:40:54,676 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-11-03 04:40:54,676 INFO  L87              Difference]: Start difference. First operand 81 states and 123 transitions. Second operand  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:41:16,145 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:41:20,152 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:41:22,559 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:41:27,608 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:41:31,616 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:41:33,296 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:33,297 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:41:33,298 INFO  L93              Difference]: Finished difference Result 238 states and 364 transitions.
[2024-11-03 04:41:33,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-03 04:41:33,359 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 185
[2024-11-03 04:41:33,360 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:41:33,362 INFO  L225             Difference]: With dead ends: 238
[2024-11-03 04:41:33,362 INFO  L226             Difference]: Without dead ends: 160
[2024-11-03 04:41:33,363 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 354 SyntacticMatches, 7 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-03 04:41:33,364 INFO  L432           NwaCegarLoop]: 82 mSDtfsCounter, 120 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 146 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time
[2024-11-03 04:41:33,364 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 480 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 120 Invalid, 4 Unknown, 0 Unchecked, 36.8s Time]
[2024-11-03 04:41:33,365 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-11-03 04:41:33,391 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 137.
[2024-11-03 04:41:33,392 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 137 states, 76 states have (on average 1.2236842105263157) internal successors, (93), 76 states have internal predecessors, (93), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-03 04:41:33,393 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 209 transitions.
[2024-11-03 04:41:33,394 INFO  L78                 Accepts]: Start accepts. Automaton has 137 states and 209 transitions. Word has length 185
[2024-11-03 04:41:33,395 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:41:33,396 INFO  L471      AbstractCegarLoop]: Abstraction has 137 states and 209 transitions.
[2024-11-03 04:41:33,396 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:41:33,396 INFO  L276                IsEmpty]: Start isEmpty. Operand 137 states and 209 transitions.
[2024-11-03 04:41:33,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2024-11-03 04:41:33,399 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:41:33,399 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:33,402 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 04:41:33,602 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 04:41:33,603 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:41:33,603 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:41:33,603 INFO  L85        PathProgramCache]: Analyzing trace with hash 1840454879, now seen corresponding path program 1 times
[2024-11-03 04:41:33,603 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:41:33,603 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338005521]
[2024-11-03 04:41:33,604 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:41:33,604 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:41:33,604 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:41:33,605 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 04:41:33,606 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 04:41:33,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:41:33,708 INFO  L255         TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 109 conjuncts are in the unsatisfiable core
[2024-11-03 04:41:33,716 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:41:43,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked.
[2024-11-03 04:41:43,973 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:41:54,398 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-03 04:41:54,398 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:41:54,398 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338005521]
[2024-11-03 04:41:54,398 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [338005521] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:41:54,398 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:41:54,399 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9
[2024-11-03 04:41:54,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119658856]
[2024-11-03 04:41:54,399 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:41:54,399 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-03 04:41:54,399 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:41:54,400 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-03 04:41:54,400 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-03 04:41:54,400 INFO  L87              Difference]: Start difference. First operand 137 states and 209 transitions. Second operand  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:41:59,049 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:42:03,055 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:42:07,803 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:42:11,593 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:42:11,951 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:42:11,951 INFO  L93              Difference]: Finished difference Result 238 states and 363 transitions.
[2024-11-03 04:42:11,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-03 04:42:11,952 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 185
[2024-11-03 04:42:11,953 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:42:11,954 INFO  L225             Difference]: With dead ends: 238
[2024-11-03 04:42:11,954 INFO  L226             Difference]: Without dead ends: 160
[2024-11-03 04:42:11,955 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 355 SyntacticMatches, 7 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2024-11-03 04:42:11,957 INFO  L432           NwaCegarLoop]: 119 mSDtfsCounter, 87 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 117 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time
[2024-11-03 04:42:11,957 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 542 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time]
[2024-11-03 04:42:11,958 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-11-03 04:42:11,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 139.
[2024-11-03 04:42:11,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 139 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 78 states have internal predecessors, (95), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-03 04:42:11,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 211 transitions.
[2024-11-03 04:42:11,980 INFO  L78                 Accepts]: Start accepts. Automaton has 139 states and 211 transitions. Word has length 185
[2024-11-03 04:42:11,982 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:42:11,982 INFO  L471      AbstractCegarLoop]: Abstraction has 139 states and 211 transitions.
[2024-11-03 04:42:11,983 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29)
[2024-11-03 04:42:11,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 211 transitions.
[2024-11-03 04:42:11,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-11-03 04:42:11,984 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:42:11,984 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:42:11,987 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 04:42:12,184 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 04:42:12,185 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:42:12,186 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:42:12,186 INFO  L85        PathProgramCache]: Analyzing trace with hash -343903119, now seen corresponding path program 1 times
[2024-11-03 04:42:12,186 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:42:12,186 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545219363]
[2024-11-03 04:42:12,186 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:42:12,186 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:42:12,186 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:42:12,188 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 04:42:12,188 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 04:42:12,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:42:13,002 INFO  L255         TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 131 conjuncts are in the unsatisfiable core
[2024-11-03 04:42:13,011 INFO  L278         TraceCheckSpWp]: Computing forward predicates...