/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-46.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:40:35,984 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:40:36,029 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 04:40:36,035 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:40:36,036 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:40:36,060 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:40:36,060 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:40:36,060 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:40:36,061 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:40:36,061 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:40:36,063 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:40:36,063 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:40:36,064 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:40:36,065 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:40:36,065 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:40:36,065 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:40:36,066 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:40:36,066 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:40:36,066 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:40:36,066 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:40:36,066 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:40:36,070 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:40:36,070 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:40:36,070 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:40:36,070 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:40:36,070 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:40:36,070 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:40:36,071 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:40:36,071 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:40:36,071 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:40:36,071 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:40:36,071 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:40:36,071 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:40:36,071 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:40:36,072 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:40:36,072 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:40:36,072 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:40:36,072 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:40:36,072 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:40:36,072 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:40:36,073 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:40:36,073 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:40:36,073 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:40:36,073 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:40:36,073 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:36,287 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:40:36,316 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:40:36,320 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:40:36,321 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:40:36,321 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:40:36,322 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-46.i
[2024-11-03 04:40:37,806 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:40:37,981 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:40:37,982 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-46.i
[2024-11-03 04:40:37,989 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96988465a/8fd920b3e0054c0f80bfadd5cc3e96b8/FLAG5d19751ca
[2024-11-03 04:40:38,379 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96988465a/8fd920b3e0054c0f80bfadd5cc3e96b8
[2024-11-03 04:40:38,381 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:40:38,382 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:40:38,383 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:40:38,383 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:40:38,387 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:40:38,387 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,388 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da6837f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38, skipping insertion in model container
[2024-11-03 04:40:38,388 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,418 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:40:38,564 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-46.i[916,929]
[2024-11-03 04:40:38,647 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:40:38,661 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:40:38,672 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-46.i[916,929]
[2024-11-03 04:40:38,703 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:40:38,723 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:40:38,724 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38 WrapperNode
[2024-11-03 04:40:38,724 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:40:38,725 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:40:38,725 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:40:38,725 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:40:38,730 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,758 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,786 INFO  L138                Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 232
[2024-11-03 04:40:38,787 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:40:38,787 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:40:38,787 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:40:38,787 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:40:38,796 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,796 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,800 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,811 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 04:40:38,812 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,812 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,822 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,825 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,827 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,829 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,832 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:40:38,833 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:40:38,833 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:40:38,833 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:40:38,834 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (1/1) ...
[2024-11-03 04:40:38,838 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:40:38,848 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:40:38,869 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 04:40:38,871 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 04:40:38,892 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:40:38,892 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:40:38,893 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:40:38,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:40:38,893 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:40:38,893 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:40:38,985 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:40:38,987 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:40:56,462 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-03 04:40:56,462 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:40:56,478 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:40:56,478 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:40:56,478 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:56 BoogieIcfgContainer
[2024-11-03 04:40:56,479 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:40:56,482 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:40:56,482 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:40:56,484 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:40:56,485 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:40:38" (1/3) ...
[2024-11-03 04:40:56,486 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d07ce1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:56, skipping insertion in model container
[2024-11-03 04:40:56,486 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:40:38" (2/3) ...
[2024-11-03 04:40:56,486 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d07ce1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:40:56, skipping insertion in model container
[2024-11-03 04:40:56,486 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:40:56" (3/3) ...
[2024-11-03 04:40:56,488 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-46.i
[2024-11-03 04:40:56,502 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:40:56,502 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:40:56,583 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:40:56,588 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;@1ca15fc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:40:56,589 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:40:56,597 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 104 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 64 states have internal predecessors, (89), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 04:40:56,615 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2024-11-03 04:40:56,615 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:56,616 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:56,616 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:56,620 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:56,621 INFO  L85        PathProgramCache]: Analyzing trace with hash -1895501734, now seen corresponding path program 1 times
[2024-11-03 04:40:56,629 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:56,630 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1514648330]
[2024-11-03 04:40:56,630 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:56,632 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:56,632 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:56,638 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 04:40:56,649 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 04:40:56,845 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:56,847 INFO  L255         TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:56,869 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:56,911 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked.
[2024-11-03 04:40:56,912 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:40:59,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked.
[2024-11-03 04:40:59,175 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:40:59,175 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1514648330]
[2024-11-03 04:40:59,175 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1514648330] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:40:59,175 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:40:59,175 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:40:59,177 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131639315]
[2024-11-03 04:40:59,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:40:59,180 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:40:59,180 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:40:59,195 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:40:59,196 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:40:59,197 INFO  L87              Difference]: Start difference. First operand  has 104 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 64 states have internal predecessors, (89), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38)
[2024-11-03 04:40:59,230 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:40:59,230 INFO  L93              Difference]: Finished difference Result 201 states and 362 transitions.
[2024-11-03 04:40:59,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:40:59,232 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 237
[2024-11-03 04:40:59,232 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:40:59,242 INFO  L225             Difference]: With dead ends: 201
[2024-11-03 04:40:59,242 INFO  L226             Difference]: Without dead ends: 100
[2024-11-03 04:40:59,246 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 472 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 04:40:59,248 INFO  L432           NwaCegarLoop]: 157 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, 157 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 04:40:59,249 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:40:59,261 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-11-03 04:40:59,283 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2024-11-03 04:40:59,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 04:40:59,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 157 transitions.
[2024-11-03 04:40:59,289 INFO  L78                 Accepts]: Start accepts. Automaton has 100 states and 157 transitions. Word has length 237
[2024-11-03 04:40:59,289 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:40:59,289 INFO  L471      AbstractCegarLoop]: Abstraction has 100 states and 157 transitions.
[2024-11-03 04:40:59,290 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38)
[2024-11-03 04:40:59,290 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions.
[2024-11-03 04:40:59,296 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2024-11-03 04:40:59,297 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:40:59,297 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:59,301 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 04:40:59,498 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 04:40:59,500 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:40:59,500 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:40:59,501 INFO  L85        PathProgramCache]: Analyzing trace with hash 633618894, now seen corresponding path program 1 times
[2024-11-03 04:40:59,501 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:40:59,501 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370566218]
[2024-11-03 04:40:59,501 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:40:59,501 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:40:59,501 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:40:59,505 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 04:40:59,506 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 04:40:59,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:40:59,640 INFO  L255         TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:40:59,646 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:40:59,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:40:59,887 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:41:02,277 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:41:02,278 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:41:02,278 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370566218]
[2024-11-03 04:41:02,278 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1370566218] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:41:02,278 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:41:02,279 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:41:02,279 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745037047]
[2024-11-03 04:41:02,279 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:41:02,286 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:41:02,286 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:41:02,287 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:41:02,287 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:41:02,287 INFO  L87              Difference]: Start difference. First operand 100 states and 157 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:41:06,798 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:10,804 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 04:41:10,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:41:10,946 INFO  L93              Difference]: Finished difference Result 241 states and 375 transitions.
[2024-11-03 04:41:10,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:41:10,947 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 237
[2024-11-03 04:41:10,948 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:41:10,949 INFO  L225             Difference]: With dead ends: 241
[2024-11-03 04:41:10,950 INFO  L226             Difference]: Without dead ends: 144
[2024-11-03 04:41:10,950 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 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 04:41:10,951 INFO  L432           NwaCegarLoop]: 203 mSDtfsCounter, 59 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time
[2024-11-03 04:41:10,952 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 345 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time]
[2024-11-03 04:41:10,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2024-11-03 04:41:10,965 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141.
[2024-11-03 04:41:10,965 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 141 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-03 04:41:10,966 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 217 transitions.
[2024-11-03 04:41:10,967 INFO  L78                 Accepts]: Start accepts. Automaton has 141 states and 217 transitions. Word has length 237
[2024-11-03 04:41:10,967 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:41:10,968 INFO  L471      AbstractCegarLoop]: Abstraction has 141 states and 217 transitions.
[2024-11-03 04:41:10,968 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:41:10,968 INFO  L276                IsEmpty]: Start isEmpty. Operand 141 states and 217 transitions.
[2024-11-03 04:41:10,970 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2024-11-03 04:41:10,970 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:41:10,971 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:10,977 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 04:41:11,172 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 04:41:11,173 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:41:11,173 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:41:11,173 INFO  L85        PathProgramCache]: Analyzing trace with hash 490339536, now seen corresponding path program 1 times
[2024-11-03 04:41:11,173 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:41:11,174 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [657228190]
[2024-11-03 04:41:11,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:41:11,174 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:41:11,174 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:41:11,176 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 04:41:11,177 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 04:41:11,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:41:11,300 INFO  L255         TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:41:11,305 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:41:11,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:41:11,746 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:41:14,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2024-11-03 04:41:14,343 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:41:14,343 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [657228190]
[2024-11-03 04:41:14,343 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [657228190] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:41:14,343 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:41:14,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:41:14,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91322102]
[2024-11-03 04:41:14,344 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:41:14,345 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:41:14,345 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:41:14,345 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:41:14,345 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:41:14,346 INFO  L87              Difference]: Start difference. First operand 141 states and 217 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:41:18,797 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:41:22,802 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 04:41:22,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:41:22,808 INFO  L93              Difference]: Finished difference Result 286 states and 436 transitions.
[2024-11-03 04:41:22,919 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:41:22,919 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 237
[2024-11-03 04:41:22,920 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:41:22,922 INFO  L225             Difference]: With dead ends: 286
[2024-11-03 04:41:22,922 INFO  L226             Difference]: Without dead ends: 148
[2024-11-03 04:41:22,924 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 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 04:41:22,925 INFO  L432           NwaCegarLoop]: 167 mSDtfsCounter, 57 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time
[2024-11-03 04:41:22,925 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 305 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time]
[2024-11-03 04:41:22,926 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 148 states.
[2024-11-03 04:41:22,936 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120.
[2024-11-03 04:41:22,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-03 04:41:22,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 185 transitions.
[2024-11-03 04:41:22,938 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 185 transitions. Word has length 237
[2024-11-03 04:41:22,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:41:22,939 INFO  L471      AbstractCegarLoop]: Abstraction has 120 states and 185 transitions.
[2024-11-03 04:41:22,939 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2024-11-03 04:41:22,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 185 transitions.
[2024-11-03 04:41:22,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 239
[2024-11-03 04:41:22,942 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:41:22,942 INFO  L215           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:41:22,945 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 04:41:23,142 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 04:41:23,143 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:41:23,143 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:41:23,143 INFO  L85        PathProgramCache]: Analyzing trace with hash 1434474921, now seen corresponding path program 1 times
[2024-11-03 04:41:23,144 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:41:23,144 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115422372]
[2024-11-03 04:41:23,144 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:41:23,144 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:41:23,144 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:41:23,148 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 04:41:23,152 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 04:41:25,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:41:25,111 INFO  L255         TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 150 conjuncts are in the unsatisfiable core
[2024-11-03 04:41:25,135 INFO  L278         TraceCheckSpWp]: Computing forward predicates...