/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_floatingpointinfluence_has-floats_file-55.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:18:09,233 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:18:09,311 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 04:18:09,317 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:18:09,317 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:18:09,344 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:18:09,345 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:18:09,345 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:18:09,346 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:18:09,347 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:18:09,348 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:18:09,348 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:18:09,349 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:18:09,349 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:18:09,350 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:18:09,350 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:18:09,350 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:18:09,350 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:18:09,351 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:18:09,351 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:18:09,351 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:18:09,355 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:18:09,355 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:18:09,355 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:18:09,355 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:18:09,355 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:18:09,356 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:18:09,356 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:18:09,356 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:18:09,356 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:18:09,357 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:18:09,357 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:18:09,357 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:18:09,357 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:18:09,357 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:18:09,358 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:18:09,358 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:18:09,358 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:18:09,358 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:18:09,358 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:18:09,359 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:18:09,360 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:18:09,360 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:18:09,360 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:18:09,360 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:18:09,566 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:18:09,591 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:18:09,594 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:18:09,595 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:18:09,597 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:18:09,598 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-55.i
[2024-11-03 04:18:11,000 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:18:11,173 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:18:11,173 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-55.i
[2024-11-03 04:18:11,181 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b73be34e/0f225133f5ca49469d827809525c1262/FLAGcbdc11ebc
[2024-11-03 04:18:11,562 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b73be34e/0f225133f5ca49469d827809525c1262
[2024-11-03 04:18:11,565 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:18:11,566 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:18:11,568 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:18:11,568 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:18:11,573 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:18:11,574 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,575 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4ced95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11, skipping insertion in model container
[2024-11-03 04:18:11,575 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,599 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:18:11,745 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_floatingpointinfluence_has-floats_file-55.i[917,930]
[2024-11-03 04:18:11,789 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:18:11,803 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:18:11,812 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_floatingpointinfluence_has-floats_file-55.i[917,930]
[2024-11-03 04:18:11,833 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:18:11,855 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:18:11,857 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11 WrapperNode
[2024-11-03 04:18:11,857 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:18:11,858 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:18:11,858 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:18:11,859 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:18:11,865 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,874 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,896 INFO  L138                Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107
[2024-11-03 04:18:11,896 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:18:11,897 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:18:11,897 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:18:11,897 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:18:11,907 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,907 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,913 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,923 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 04:18:11,924 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,924 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,936 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,940 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,944 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,945 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,952 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:18:11,953 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:18:11,954 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:18:11,954 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:18:11,954 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (1/1) ...
[2024-11-03 04:18:11,966 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:18:11,978 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:18:11,993 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 04:18:11,995 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 04:18:12,018 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:18:12,018 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:18:12,018 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:18:12,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:18:12,019 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:18:12,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:18:12,085 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:18:12,087 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:18:16,052 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-03 04:18:16,052 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:18:16,064 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:18:16,065 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:18:16,065 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:18:16 BoogieIcfgContainer
[2024-11-03 04:18:16,065 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:18:16,068 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:18:16,068 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:18:16,070 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:18:16,070 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:18:11" (1/3) ...
[2024-11-03 04:18:16,071 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341c14f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:18:16, skipping insertion in model container
[2024-11-03 04:18:16,071 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:18:11" (2/3) ...
[2024-11-03 04:18:16,071 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341c14f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:18:16, skipping insertion in model container
[2024-11-03 04:18:16,071 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:18:16" (3/3) ...
[2024-11-03 04:18:16,072 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-55.i
[2024-11-03 04:18:16,090 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:18:16,090 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:18:16,161 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:18:16,168 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;@ee2f4c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:18:16,169 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:18:16,174 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-03 04:18:16,183 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-03 04:18:16,183 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:18:16,184 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:16,185 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:18:16,192 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:18:16,192 INFO  L85        PathProgramCache]: Analyzing trace with hash 620519901, now seen corresponding path program 1 times
[2024-11-03 04:18:16,201 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:18:16,202 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028997276]
[2024-11-03 04:18:16,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:18:16,205 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:18:16,205 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:18:16,210 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 04:18:16,212 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 04:18:16,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:18:16,389 INFO  L255         TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:18:16,398 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:18:16,440 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2024-11-03 04:18:16,441 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:18:16,656 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked.
[2024-11-03 04:18:16,657 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:18:16,657 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028997276]
[2024-11-03 04:18:16,658 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2028997276] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:18:16,658 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:18:16,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:18:16,660 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113177665]
[2024-11-03 04:18:16,661 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:18:16,665 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:18:16,665 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:18:16,689 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:18:16,690 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:18:16,692 INFO  L87              Difference]: Start difference. First operand  has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-03 04:18:16,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:18:16,714 INFO  L93              Difference]: Finished difference Result 85 states and 138 transitions.
[2024-11-03 04:18:16,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:18:16,717 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81
[2024-11-03 04:18:16,717 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:18:16,724 INFO  L225             Difference]: With dead ends: 85
[2024-11-03 04:18:16,725 INFO  L226             Difference]: Without dead ends: 42
[2024-11-03 04:18:16,729 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 04:18:16,732 INFO  L432           NwaCegarLoop]: 59 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, 59 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 04:18:16,733 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:18:16,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-11-03 04:18:16,773 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-11-03 04:18:16,774 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-03 04:18:16,776 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 59 transitions.
[2024-11-03 04:18:16,778 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 59 transitions. Word has length 81
[2024-11-03 04:18:16,778 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:18:16,778 INFO  L471      AbstractCegarLoop]: Abstraction has 42 states and 59 transitions.
[2024-11-03 04:18:16,778 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12)
[2024-11-03 04:18:16,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions.
[2024-11-03 04:18:16,781 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-03 04:18:16,781 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:18:16,781 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:16,784 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0
[2024-11-03 04:18:16,983 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 04:18:16,984 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:18:16,985 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:18:16,985 INFO  L85        PathProgramCache]: Analyzing trace with hash 1532144597, now seen corresponding path program 1 times
[2024-11-03 04:18:16,985 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:18:16,985 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081319544]
[2024-11-03 04:18:16,985 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:18:16,986 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:18:16,986 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:18:16,989 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 04:18:16,990 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 04:18:17,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:18:17,094 INFO  L255         TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-03 04:18:17,099 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:18:17,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-03 04:18:17,127 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:18:17,267 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-03 04:18:17,268 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:18:17,268 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081319544]
[2024-11-03 04:18:17,268 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1081319544] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:18:17,268 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:18:17,269 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2024-11-03 04:18:17,269 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378476224]
[2024-11-03 04:18:17,269 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:18:17,270 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-03 04:18:17,271 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:18:17,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-03 04:18:17,272 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:18:17,272 INFO  L87              Difference]: Start difference. First operand 42 states and 59 transitions. Second operand  has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-03 04:18:19,386 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:22,627 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:22,675 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:18:22,675 INFO  L93              Difference]: Finished difference Result 93 states and 130 transitions.
[2024-11-03 04:18:22,701 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-03 04:18:22,701 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81
[2024-11-03 04:18:22,702 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:18:22,703 INFO  L225             Difference]: With dead ends: 93
[2024-11-03 04:18:22,703 INFO  L226             Difference]: Without dead ends: 54
[2024-11-03 04:18:22,704 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-03 04:18:22,705 INFO  L432           NwaCegarLoop]: 57 mSDtfsCounter, 15 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time
[2024-11-03 04:18:22,706 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 105 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time]
[2024-11-03 04:18:22,708 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-03 04:18:22,713 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 43.
[2024-11-03 04:18:22,714 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-03 04:18:22,715 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions.
[2024-11-03 04:18:22,715 INFO  L78                 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 81
[2024-11-03 04:18:22,717 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:18:22,717 INFO  L471      AbstractCegarLoop]: Abstraction has 43 states and 60 transitions.
[2024-11-03 04:18:22,717 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2024-11-03 04:18:22,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions.
[2024-11-03 04:18:22,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2024-11-03 04:18:22,719 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:18:22,719 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:22,724 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 04:18:22,919 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 04:18:22,920 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:18:22,921 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:18:22,921 INFO  L85        PathProgramCache]: Analyzing trace with hash -987815337, now seen corresponding path program 1 times
[2024-11-03 04:18:22,921 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:18:22,921 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546773687]
[2024-11-03 04:18:22,921 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:18:22,922 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:18:22,922 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:18:22,923 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 04:18:22,924 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 04:18:23,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:18:23,093 INFO  L255         TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 54 conjuncts are in the unsatisfiable core
[2024-11-03 04:18:23,109 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:18:24,546 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-03 04:18:24,546 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:18:28,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-03 04:18:28,275 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:18:28,276 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546773687]
[2024-11-03 04:18:28,276 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [546773687] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:18:28,276 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:18:28,276 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 8] imperfect sequences [] total 12
[2024-11-03 04:18:28,276 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829209973]
[2024-11-03 04:18:28,276 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:18:28,277 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-03 04:18:28,277 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:18:28,278 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-03 04:18:28,278 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132
[2024-11-03 04:18:28,279 INFO  L87              Difference]: Start difference. First operand 43 states and 60 transitions. Second operand  has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)
[2024-11-03 04:18:30,233 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:32,168 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:33,935 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:37,360 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:41,506 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:44,280 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:46,368 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:18:51,066 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:18:52,755 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-03 04:18:56,085 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]
[2024-11-03 04:18:56,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:18:56,288 INFO  L93              Difference]: Finished difference Result 262 states and 355 transitions.
[2024-11-03 04:18:56,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-11-03 04:18:56,289 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 81
[2024-11-03 04:18:56,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:18:56,292 INFO  L225             Difference]: With dead ends: 262
[2024-11-03 04:18:56,292 INFO  L226             Difference]: Without dead ends: 222
[2024-11-03 04:18:56,294 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 147 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702
[2024-11-03 04:18:56,295 INFO  L432           NwaCegarLoop]: 84 mSDtfsCounter, 354 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 83 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time
[2024-11-03 04:18:56,295 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 428 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 230 Invalid, 1 Unknown, 0 Unchecked, 27.3s Time]
[2024-11-03 04:18:56,296 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 222 states.
[2024-11-03 04:18:56,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 143.
[2024-11-03 04:18:56,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 143 states, 91 states have (on average 1.1978021978021978) internal successors, (109), 92 states have internal predecessors, (109), 46 states have call successors, (46), 5 states have call predecessors, (46), 5 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-03 04:18:56,339 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 201 transitions.
[2024-11-03 04:18:56,340 INFO  L78                 Accepts]: Start accepts. Automaton has 143 states and 201 transitions. Word has length 81
[2024-11-03 04:18:56,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:18:56,342 INFO  L471      AbstractCegarLoop]: Abstraction has 143 states and 201 transitions.
[2024-11-03 04:18:56,343 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)
[2024-11-03 04:18:56,343 INFO  L276                IsEmpty]: Start isEmpty. Operand 143 states and 201 transitions.
[2024-11-03 04:18:56,344 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-11-03 04:18:56,344 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:18:56,344 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:56,351 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 04:18:56,545 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 04:18:56,546 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:18:56,546 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:18:56,546 INFO  L85        PathProgramCache]: Analyzing trace with hash -793064676, now seen corresponding path program 1 times
[2024-11-03 04:18:56,546 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:18:56,546 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463833281]
[2024-11-03 04:18:56,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:18:56,547 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:18:56,547 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:18:56,548 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 04:18:56,549 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 04:18:56,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:18:56,709 INFO  L255         TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 59 conjuncts are in the unsatisfiable core
[2024-11-03 04:18:56,719 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:19:03,790 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 123 proven. 9 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked.
[2024-11-03 04:19:03,790 INFO  L311         TraceCheckSpWp]: Computing backward predicates...