/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-9.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 04:22:26,325 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 04:22:26,404 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 04:22:26,412 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 04:22:26,412 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 04:22:26,446 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 04:22:26,446 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 04:22:26,447 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 04:22:26,447 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 04:22:26,447 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 04:22:26,448 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 04:22:26,448 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 04:22:26,449 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 04:22:26,449 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 04:22:26,450 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 04:22:26,451 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 04:22:26,452 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 04:22:26,452 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 04:22:26,452 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 04:22:26,453 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 04:22:26,453 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 04:22:26,457 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 04:22:26,457 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 04:22:26,457 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 04:22:26,457 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 04:22:26,458 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 04:22:26,458 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 04:22:26,458 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 04:22:26,458 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 04:22:26,458 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 04:22:26,459 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 04:22:26,459 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 04:22:26,459 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 04:22:26,459 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 04:22:26,460 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:22:26,460 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 04:22:26,460 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 04:22:26,460 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 04:22:26,460 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 04:22:26,461 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 04:22:26,461 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 04:22:26,461 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 04:22:26,461 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 04:22:26,462 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 04:22:26,462 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt
[2024-11-03 04:22:26,683 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 04:22:26,705 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 04:22:26,708 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 04:22:26,709 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 04:22:26,709 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 04:22:26,710 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-9.i
[2024-11-03 04:22:28,113 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 04:22:28,305 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 04:22:28,305 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-9.i
[2024-11-03 04:22:28,314 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e50f8a32f/001d3cadc84748739d8859f3c105734e/FLAG0b67c4e22
[2024-11-03 04:22:28,705 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e50f8a32f/001d3cadc84748739d8859f3c105734e
[2024-11-03 04:22:28,708 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 04:22:28,709 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 04:22:28,710 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 04:22:28,710 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 04:22:28,713 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 04:22:28,714 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:28,715 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6697bdc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28, skipping insertion in model container
[2024-11-03 04:22:28,715 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:28,735 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 04:22:28,890 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-9.i[916,929]
[2024-11-03 04:22:28,929 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:22:28,941 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 04:22:28,950 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-9.i[916,929]
[2024-11-03 04:22:28,966 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 04:22:28,985 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 04:22:28,986 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28 WrapperNode
[2024-11-03 04:22:28,986 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 04:22:28,987 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 04:22:28,987 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 04:22:28,987 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 04:22:28,993 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,001 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,019 INFO  L138                Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81
[2024-11-03 04:22:29,020 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 04:22:29,021 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 04:22:29,021 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 04:22:29,021 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 04:22:29,031 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,031 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,034 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,050 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 04:22:29,050 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,050 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,057 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,060 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,061 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,062 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,065 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 04:22:29,065 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 04:22:29,066 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 04:22:29,066 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 04:22:29,066 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (1/1) ...
[2024-11-03 04:22:29,071 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 04:22:29,081 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 04:22:29,093 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 04:22:29,099 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-03 04:22:29,120 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 04:22:29,120 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 04:22:29,120 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 04:22:29,121 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 04:22:29,121 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 04:22:29,121 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 04:22:29,206 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 04:22:29,209 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 04:22:29,479 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-03 04:22:29,479 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 04:22:29,492 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 04:22:29,492 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 04:22:29,493 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:22:29 BoogieIcfgContainer
[2024-11-03 04:22:29,494 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 04:22:29,498 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 04:22:29,498 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 04:22:29,501 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 04:22:29,501 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:22:28" (1/3) ...
[2024-11-03 04:22:29,502 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dc909d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:22:29, skipping insertion in model container
[2024-11-03 04:22:29,503 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:22:28" (2/3) ...
[2024-11-03 04:22:29,503 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dc909d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:22:29, skipping insertion in model container
[2024-11-03 04:22:29,503 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:22:29" (3/3) ...
[2024-11-03 04:22:29,504 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-9.i
[2024-11-03 04:22:29,547 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 04:22:29,549 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 04:22:29,616 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 04:22:29,625 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;@6445a065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 04:22:29,626 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 04:22:29,631 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 34 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-03 04:22:29,639 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-03 04:22:29,640 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:22:29,640 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 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 04:22:29,641 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:22:29,647 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:22:29,647 INFO  L85        PathProgramCache]: Analyzing trace with hash 1278231313, now seen corresponding path program 1 times
[2024-11-03 04:22:29,656 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:22:29,657 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844969272]
[2024-11-03 04:22:29,657 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:22:29,659 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:22:29,659 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:22:29,662 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 04:22:29,665 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 04:22:29,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:22:29,789 INFO  L255         TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 04:22:29,796 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:22:29,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-11-03 04:22:29,825 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:22:29,870 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-11-03 04:22:29,871 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:22:29,872 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844969272]
[2024-11-03 04:22:29,872 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [844969272] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 04:22:29,872 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 04:22:29,873 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 04:22:29,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294866261]
[2024-11-03 04:22:29,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 04:22:29,879 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 04:22:29,879 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:22:29,901 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 04:22:29,901 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 04:22:29,903 INFO  L87              Difference]: Start difference. First operand  has 34 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-03 04:22:29,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:22:29,917 INFO  L93              Difference]: Finished difference Result 60 states and 89 transitions.
[2024-11-03 04:22:29,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 04:22:29,919 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42
[2024-11-03 04:22:29,919 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:22:29,923 INFO  L225             Difference]: With dead ends: 60
[2024-11-03 04:22:29,923 INFO  L226             Difference]: Without dead ends: 29
[2024-11-03 04:22:29,925 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 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 04:22:29,928 INFO  L432           NwaCegarLoop]: 36 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, 36 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 04:22:29,929 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 04:22:29,940 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-03 04:22:29,956 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2024-11-03 04:22:29,958 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 29 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-03 04:22:29,959 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions.
[2024-11-03 04:22:29,961 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 42
[2024-11-03 04:22:29,961 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:22:29,961 INFO  L471      AbstractCegarLoop]: Abstraction has 29 states and 36 transitions.
[2024-11-03 04:22:29,961 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-03 04:22:29,962 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions.
[2024-11-03 04:22:29,964 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-03 04:22:29,965 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:22:29,965 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 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 04:22:29,970 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 04:22:30,167 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 04:22:30,167 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:22:30,168 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:22:30,168 INFO  L85        PathProgramCache]: Analyzing trace with hash -1952905197, now seen corresponding path program 1 times
[2024-11-03 04:22:30,169 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:22:30,169 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997635234]
[2024-11-03 04:22:30,169 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:22:30,169 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:22:30,170 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:22:30,174 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 04:22:30,175 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 04:22:30,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:22:30,284 INFO  L255         TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 40 conjuncts are in the unsatisfiable core
[2024-11-03 04:22:30,296 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 04:22:31,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-03 04:22:31,219 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 04:22:56,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-03 04:22:56,715 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 04:22:56,715 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997635234]
[2024-11-03 04:22:56,715 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1997635234] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-03 04:22:56,715 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-03 04:22:56,715 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9
[2024-11-03 04:22:56,716 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098359861]
[2024-11-03 04:22:56,716 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-03 04:22:56,718 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 04:22:56,718 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 04:22:56,720 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 04:22:56,720 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2024-11-03 04:22:56,720 INFO  L87              Difference]: Start difference. First operand 29 states and 36 transitions. Second operand  has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-03 04:22:57,120 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 04:22:57,120 INFO  L93              Difference]: Finished difference Result 94 states and 117 transitions.
[2024-11-03 04:22:57,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-03 04:22:57,123 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 42
[2024-11-03 04:22:57,123 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 04:22:57,124 INFO  L225             Difference]: With dead ends: 94
[2024-11-03 04:22:57,124 INFO  L226             Difference]: Without dead ends: 68
[2024-11-03 04:22:57,125 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156
[2024-11-03 04:22:57,126 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 86 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-03 04:22:57,127 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 121 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-03 04:22:57,127 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2024-11-03 04:22:57,137 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 44.
[2024-11-03 04:22:57,138 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-03 04:22:57,139 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions.
[2024-11-03 04:22:57,139 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 42
[2024-11-03 04:22:57,139 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 04:22:57,139 INFO  L471      AbstractCegarLoop]: Abstraction has 44 states and 55 transitions.
[2024-11-03 04:22:57,139 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-03 04:22:57,140 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions.
[2024-11-03 04:22:57,143 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-03 04:22:57,143 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 04:22:57,144 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 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 04:22:57,147 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 04:22:57,347 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 04:22:57,348 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 04:22:57,349 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 04:22:57,349 INFO  L85        PathProgramCache]: Analyzing trace with hash -1272846827, now seen corresponding path program 1 times
[2024-11-03 04:22:57,349 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 04:22:57,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324859139]
[2024-11-03 04:22:57,349 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 04:22:57,350 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt
[2024-11-03 04:22:57,350 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5
[2024-11-03 04:22:57,353 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 04:22:57,354 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 04:22:57,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 04:22:57,448 INFO  L255         TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-11-03 04:22:57,455 INFO  L278         TraceCheckSpWp]: Computing forward predicates...