/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_amount500_file-88.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 05:27:56,444 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 05:27:56,493 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 05:27:56,499 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 05:27:56,500 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 05:27:56,522 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 05:27:56,523 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 05:27:56,523 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 05:27:56,524 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 05:27:56,525 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 05:27:56,525 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 05:27:56,525 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 05:27:56,526 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 05:27:56,526 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 05:27:56,526 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 05:27:56,528 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 05:27:56,528 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 05:27:56,528 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 05:27:56,528 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 05:27:56,528 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 05:27:56,528 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 05:27:56,531 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 05:27:56,532 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 05:27:56,532 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 05:27:56,532 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 05:27:56,532 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 05:27:56,532 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 05:27:56,532 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 05:27:56,532 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 05:27:56,533 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 05:27:56,533 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 05:27:56,533 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 05:27:56,533 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 05:27:56,533 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 05:27:56,533 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:27:56,534 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 05:27:56,534 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 05:27:56,534 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 05:27:56,534 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 05:27:56,534 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 05:27:56,534 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 05:27:56,535 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 05:27:56,535 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 05:27:56,536 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 05:27:56,536 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 05:27:56,713 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 05:27:56,734 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 05:27:56,736 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 05:27:56,738 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 05:27:56,738 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 05:27:56,739 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-88.i
[2024-11-03 05:27:58,017 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 05:27:58,210 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 05:27:58,210 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-88.i
[2024-11-03 05:27:58,221 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d043b070c/701367aeaa744444a70b6554ff542b81/FLAG889022e81
[2024-11-03 05:27:58,234 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d043b070c/701367aeaa744444a70b6554ff542b81
[2024-11-03 05:27:58,236 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 05:27:58,237 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 05:27:58,239 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 05:27:58,239 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 05:27:58,246 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 05:27:58,247 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:58,248 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fded4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58, skipping insertion in model container
[2024-11-03 05:27:58,248 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:58,291 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 05:27:58,430 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_amount500_file-88.i[916,929]
[2024-11-03 05:27:58,577 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:27:58,610 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 05:27:58,634 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_amount500_file-88.i[916,929]
[2024-11-03 05:27:58,828 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 05:27:58,855 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 05:27:58,855 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58 WrapperNode
[2024-11-03 05:27:58,855 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 05:27:58,856 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 05:27:58,856 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 05:27:58,856 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 05:27:58,865 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:58,899 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:58,955 INFO  L138                Inliner]: procedures = 27, calls = 78, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 572
[2024-11-03 05:27:58,956 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 05:27:58,957 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 05:27:58,957 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 05:27:58,957 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 05:27:58,967 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:58,967 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:58,974 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,007 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 05:27:59,007 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,007 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,045 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,049 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,054 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,057 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,064 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 05:27:59,066 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 05:27:59,066 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 05:27:59,066 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 05:27:59,067 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (1/1) ...
[2024-11-03 05:27:59,071 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 05:27:59,080 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 05:27:59,097 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 05:27:59,099 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 05:27:59,121 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 05:27:59,122 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 05:27:59,122 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 05:27:59,122 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 05:27:59,122 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 05:27:59,122 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 05:27:59,254 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 05:27:59,255 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 05:28:49,215 INFO  L?                        ?]: Removed 88 outVars from TransFormulas that were not future-live.
[2024-11-03 05:28:49,215 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 05:28:49,236 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 05:28:49,236 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 05:28:49,237 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:28:49 BoogieIcfgContainer
[2024-11-03 05:28:49,237 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 05:28:49,240 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 05:28:49,240 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 05:28:49,243 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 05:28:49,243 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:27:58" (1/3) ...
[2024-11-03 05:28:49,244 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7110906d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:28:49, skipping insertion in model container
[2024-11-03 05:28:49,244 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:58" (2/3) ...
[2024-11-03 05:28:49,244 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7110906d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:28:49, skipping insertion in model container
[2024-11-03 05:28:49,245 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:28:49" (3/3) ...
[2024-11-03 05:28:49,246 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-88.i
[2024-11-03 05:28:49,258 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 05:28:49,258 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 05:28:49,322 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 05:28:49,327 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;@2f06cf11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 05:28:49,329 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 05:28:49,335 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 236 states, 168 states have (on average 1.5595238095238095) internal successors, (262), 169 states have internal predecessors, (262), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65)
[2024-11-03 05:28:49,410 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 447
[2024-11-03 05:28:49,411 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:28:49,412 INFO  L215           NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:49,413 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:28:49,419 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:28:49,419 INFO  L85        PathProgramCache]: Analyzing trace with hash 610160381, now seen corresponding path program 1 times
[2024-11-03 05:28:49,426 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:28:49,426 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670102881]
[2024-11-03 05:28:49,426 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:28:49,428 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:28:49,428 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:28:49,433 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 05:28:49,435 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 05:28:49,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:28:49,739 INFO  L255         TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 05:28:49,757 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:28:49,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8192 trivial. 0 not checked.
[2024-11-03 05:28:49,815 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:28:58,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 8192 trivial. 0 not checked.
[2024-11-03 05:28:58,900 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:28:58,900 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670102881]
[2024-11-03 05:28:58,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1670102881] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 05:28:58,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 05:28:58,901 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 05:28:58,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243613156]
[2024-11-03 05:28:58,904 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 05:28:58,908 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 05:28:58,908 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:28:58,928 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 05:28:58,928 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 05:28:58,931 INFO  L87              Difference]: Start difference. First operand  has 236 states, 168 states have (on average 1.5595238095238095) internal successors, (262), 169 states have internal predecessors, (262), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand  has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65)
[2024-11-03 05:28:58,974 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:28:58,975 INFO  L93              Difference]: Finished difference Result 464 states and 841 transitions.
[2024-11-03 05:28:58,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 05:28:58,977 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65) Word has length 446
[2024-11-03 05:28:58,977 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:28:58,993 INFO  L225             Difference]: With dead ends: 464
[2024-11-03 05:28:58,994 INFO  L226             Difference]: Without dead ends: 231
[2024-11-03 05:28:58,999 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 890 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 05:28:59,002 INFO  L432           NwaCegarLoop]: 382 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, 382 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 05:28:59,003 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 05:28:59,017 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 231 states.
[2024-11-03 05:28:59,049 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231.
[2024-11-03 05:28:59,051 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 231 states, 164 states have (on average 1.5365853658536586) internal successors, (252), 164 states have internal predecessors, (252), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65)
[2024-11-03 05:28:59,053 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 382 transitions.
[2024-11-03 05:28:59,055 INFO  L78                 Accepts]: Start accepts. Automaton has 231 states and 382 transitions. Word has length 446
[2024-11-03 05:28:59,056 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:28:59,056 INFO  L471      AbstractCegarLoop]: Abstraction has 231 states and 382 transitions.
[2024-11-03 05:28:59,056 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (65), 2 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 2 states have call successors, (65)
[2024-11-03 05:28:59,056 INFO  L276                IsEmpty]: Start isEmpty. Operand 231 states and 382 transitions.
[2024-11-03 05:28:59,063 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 447
[2024-11-03 05:28:59,064 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:28:59,064 INFO  L215           NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:28:59,072 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 05:28:59,264 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 05:28:59,266 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:28:59,266 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:28:59,266 INFO  L85        PathProgramCache]: Analyzing trace with hash 41695947, now seen corresponding path program 1 times
[2024-11-03 05:28:59,266 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:28:59,267 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376460427]
[2024-11-03 05:28:59,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:28:59,267 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:28:59,267 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:28:59,268 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 05:28:59,270 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 05:28:59,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:28:59,533 INFO  L255         TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:28:59,546 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:29:03,317 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked.
[2024-11-03 05:29:03,317 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:29:15,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked.
[2024-11-03 05:29:15,071 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:29:15,071 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376460427]
[2024-11-03 05:29:15,071 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [376460427] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:29:15,071 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:29:15,071 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:29:15,071 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972373461]
[2024-11-03 05:29:15,071 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:29:15,073 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:29:15,073 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:29:15,074 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:29:15,074 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:29:15,075 INFO  L87              Difference]: Start difference. First operand 231 states and 382 transitions. Second operand  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65)
[2024-11-03 05:29:20,764 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:29:24,775 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 05:29:24,780 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:29:24,781 INFO  L93              Difference]: Finished difference Result 582 states and 961 transitions.
[2024-11-03 05:29:25,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:29:25,120 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 446
[2024-11-03 05:29:25,122 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:29:25,126 INFO  L225             Difference]: With dead ends: 582
[2024-11-03 05:29:25,127 INFO  L226             Difference]: Without dead ends: 354
[2024-11-03 05:29:25,128 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 889 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:29:25,129 INFO  L432           NwaCegarLoop]: 379 mSDtfsCounter, 150 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time
[2024-11-03 05:29:25,130 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time]
[2024-11-03 05:29:25,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2024-11-03 05:29:25,171 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 351.
[2024-11-03 05:29:25,172 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 351 states, 268 states have (on average 1.5597014925373134) internal successors, (418), 269 states have internal predecessors, (418), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80)
[2024-11-03 05:29:25,173 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 578 transitions.
[2024-11-03 05:29:25,177 INFO  L78                 Accepts]: Start accepts. Automaton has 351 states and 578 transitions. Word has length 446
[2024-11-03 05:29:25,180 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:29:25,180 INFO  L471      AbstractCegarLoop]: Abstraction has 351 states and 578 transitions.
[2024-11-03 05:29:25,180 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65)
[2024-11-03 05:29:25,180 INFO  L276                IsEmpty]: Start isEmpty. Operand 351 states and 578 transitions.
[2024-11-03 05:29:25,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 447
[2024-11-03 05:29:25,183 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:29:25,183 INFO  L215           NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:25,189 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 05:29:25,384 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 05:29:25,385 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:29:25,389 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:29:25,389 INFO  L85        PathProgramCache]: Analyzing trace with hash 608292227, now seen corresponding path program 1 times
[2024-11-03 05:29:25,389 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:29:25,389 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540041904]
[2024-11-03 05:29:25,390 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:29:25,390 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:29:25,390 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:29:25,392 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 05:29:25,393 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 05:29:25,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:29:25,645 INFO  L255         TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 05:29:25,654 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 05:29:26,107 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked.
[2024-11-03 05:29:26,108 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 05:29:36,083 INFO  L134       CoverageAnalysis]: Checked inductivity of 8320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8320 trivial. 0 not checked.
[2024-11-03 05:29:36,083 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 05:29:36,083 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540041904]
[2024-11-03 05:29:36,083 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [540041904] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 05:29:36,084 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 05:29:36,084 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 05:29:36,084 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759377459]
[2024-11-03 05:29:36,089 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 05:29:36,090 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 05:29:36,091 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 05:29:36,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 05:29:36,091 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:29:36,092 INFO  L87              Difference]: Start difference. First operand 351 states and 578 transitions. Second operand  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65)
[2024-11-03 05:29:41,146 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:29:45,151 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 05:29:45,551 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 05:29:45,551 INFO  L93              Difference]: Finished difference Result 1033 states and 1702 transitions.
[2024-11-03 05:29:45,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 05:29:45,552 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65) Word has length 446
[2024-11-03 05:29:45,553 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 05:29:45,558 INFO  L225             Difference]: With dead ends: 1033
[2024-11-03 05:29:45,558 INFO  L226             Difference]: Without dead ends: 685
[2024-11-03 05:29:45,559 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 889 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 05:29:45,559 INFO  L432           NwaCegarLoop]: 380 mSDtfsCounter, 355 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time
[2024-11-03 05:29:45,560 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 752 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time]
[2024-11-03 05:29:45,561 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 685 states.
[2024-11-03 05:29:45,584 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 359.
[2024-11-03 05:29:45,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 359 states, 276 states have (on average 1.5543478260869565) internal successors, (429), 277 states have internal predecessors, (429), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80)
[2024-11-03 05:29:45,586 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 589 transitions.
[2024-11-03 05:29:45,587 INFO  L78                 Accepts]: Start accepts. Automaton has 359 states and 589 transitions. Word has length 446
[2024-11-03 05:29:45,588 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 05:29:45,588 INFO  L471      AbstractCegarLoop]: Abstraction has 359 states and 589 transitions.
[2024-11-03 05:29:45,588 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 1 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 1 states have call predecessors, (65), 1 states have call successors, (65)
[2024-11-03 05:29:45,588 INFO  L276                IsEmpty]: Start isEmpty. Operand 359 states and 589 transitions.
[2024-11-03 05:29:45,590 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 447
[2024-11-03 05:29:45,590 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 05:29:45,591 INFO  L215           NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:29:45,594 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0
[2024-11-03 05:29:45,791 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 05:29:45,792 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 05:29:45,792 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 05:29:45,793 INFO  L85        PathProgramCache]: Analyzing trace with hash 1168992005, now seen corresponding path program 1 times
[2024-11-03 05:29:45,793 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 05:29:45,793 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144333291]
[2024-11-03 05:29:45,793 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 05:29:45,793 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 05:29:45,793 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 05:29:45,796 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 05:29:45,797 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 05:29:46,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 05:29:46,080 INFO  L255         TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 366 conjuncts are in the unsatisfiable core
[2024-11-03 05:29:46,190 INFO  L278         TraceCheckSpWp]: Computing forward predicates...