/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-18.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:44:37,644 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:44:37,704 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 08:44:37,710 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:44:37,710 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:44:37,724 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:44:37,725 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:44:37,725 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:44:37,725 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:44:37,725 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:44:37,726 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:44:37,726 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:44:37,726 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:44:37,727 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:44:37,727 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:44:37,729 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:44:37,729 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:44:37,730 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:44:37,730 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:44:37,731 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:44:37,731 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:44:37,732 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:44:37,732 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:44:37,733 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:44:37,733 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:44:37,733 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:44:37,733 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:44:37,733 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:44:37,733 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:44:37,733 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:44:37,734 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:44:37,734 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:44:37,734 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:44:37,734 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:44:37,734 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:44:37,734 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:44:37,734 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:44:37,735 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:44:37,735 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:44:37,735 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:44:37,735 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:44:37,735 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:44:37,735 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:44:37,735 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:44:37,735 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:44:37,923 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:44:37,937 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:44:37,941 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:44:37,942 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:44:37,942 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:44:37,943 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-18.i
[2024-11-06 08:44:39,201 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:44:39,412 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:44:39,413 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-18.i
[2024-11-06 08:44:39,429 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad4f55e7/04949ddc67214a908cbb902eae91fd1b/FLAG1b5647fd6
[2024-11-06 08:44:39,752 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad4f55e7/04949ddc67214a908cbb902eae91fd1b
[2024-11-06 08:44:39,754 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:44:39,755 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:44:39,756 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:44:39,756 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:44:39,760 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:44:39,761 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:44:39" (1/1) ...
[2024-11-06 08:44:39,761 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72523215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:39, skipping insertion in model container
[2024-11-06 08:44:39,761 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:44:39" (1/1) ...
[2024-11-06 08:44:39,815 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:44:39,942 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-18.i[916,929]
[2024-11-06 08:44:40,120 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:44:40,142 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:44:40,154 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-18.i[916,929]
[2024-11-06 08:44:40,259 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:44:40,278 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:44:40,280 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40 WrapperNode
[2024-11-06 08:44:40,280 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:44:40,281 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:44:40,281 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:44:40,281 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:44:40,286 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,311 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,357 INFO  L138                Inliner]: procedures = 27, calls = 90, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 597
[2024-11-06 08:44:40,358 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:44:40,360 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:44:40,360 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:44:40,360 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:44:40,372 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,372 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,382 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,422 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].
[2024-11-06 08:44:40,422 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,423 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,455 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,459 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,469 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,479 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,493 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:44:40,494 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:44:40,494 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:44:40,494 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:44:40,495 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (1/1) ...
[2024-11-06 08:44:40,499 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:44:40,507 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:44:40,520 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)
[2024-11-06 08:44:40,523 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
[2024-11-06 08:44:40,542 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:44:40,542 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:44:40,542 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:44:40,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:44:40,542 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:44:40,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:44:40,645 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:44:40,647 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:45:16,962 INFO  L?                        ?]: Removed 60 outVars from TransFormulas that were not future-live.
[2024-11-06 08:45:16,962 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:45:16,978 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:45:16,979 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:45:16,979 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:45:16 BoogieIcfgContainer
[2024-11-06 08:45:16,979 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:45:16,981 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:45:16,982 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:45:16,984 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:45:16,984 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:44:39" (1/3) ...
[2024-11-06 08:45:16,985 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e7e0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:45:16, skipping insertion in model container
[2024-11-06 08:45:16,985 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:44:40" (2/3) ...
[2024-11-06 08:45:16,985 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e7e0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:45:16, skipping insertion in model container
[2024-11-06 08:45:16,985 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:45:16" (3/3) ...
[2024-11-06 08:45:16,987 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-18.i
[2024-11-06 08:45:16,999 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:45:16,999 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:45:17,058 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:45:17,065 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;@3bd2e20d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:45:17,066 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:45:17,072 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 242 states, 162 states have (on average 1.5246913580246915) internal successors, (247), 163 states have internal predecessors, (247), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77)
[2024-11-06 08:45:17,102 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 508
[2024-11-06 08:45:17,102 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:45:17,104 INFO  L215           NwaCegarLoop]: trace histogram [77, 77, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:45:17,104 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:45:17,109 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:45:17,110 INFO  L85        PathProgramCache]: Analyzing trace with hash -1661837206, now seen corresponding path program 1 times
[2024-11-06 08:45:17,130 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:45:17,130 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747401267]
[2024-11-06 08:45:17,131 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:45:17,131 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:45:17,131 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:45:17,134 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:45:17,135 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-06 08:45:19,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:45:19,433 INFO  L255         TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 08:45:19,454 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:45:19,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 11704 backedges. 4904 proven. 0 refuted. 0 times theorem prover too weak. 6800 trivial. 0 not checked.
[2024-11-06 08:45:19,528 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:45:19,528 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:45:19,528 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747401267]
[2024-11-06 08:45:19,529 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [747401267] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:45:19,529 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:45:19,529 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 08:45:19,530 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652862036]
[2024-11-06 08:45:19,531 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:45:19,535 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 08:45:19,535 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:45:19,555 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 08:45:19,556 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:45:19,558 INFO  L87              Difference]: Start difference. First operand  has 242 states, 162 states have (on average 1.5246913580246915) internal successors, (247), 163 states have internal predecessors, (247), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) Second operand  has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77)
[2024-11-06 08:45:19,609 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:45:19,609 INFO  L93              Difference]: Finished difference Result 477 states and 873 transitions.
[2024-11-06 08:45:19,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 08:45:19,611 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 507
[2024-11-06 08:45:19,611 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:45:19,618 INFO  L225             Difference]: With dead ends: 477
[2024-11-06 08:45:19,618 INFO  L226             Difference]: Without dead ends: 238
[2024-11-06 08:45:19,623 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:45:19,625 INFO  L432           NwaCegarLoop]: 393 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, 393 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
[2024-11-06 08:45:19,625 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:45:19,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 238 states.
[2024-11-06 08:45:19,687 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238.
[2024-11-06 08:45:19,688 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 238 states, 159 states have (on average 1.5031446540880504) internal successors, (239), 159 states have internal predecessors, (239), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77)
[2024-11-06 08:45:19,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 393 transitions.
[2024-11-06 08:45:19,698 INFO  L78                 Accepts]: Start accepts. Automaton has 238 states and 393 transitions. Word has length 507
[2024-11-06 08:45:19,699 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:45:19,699 INFO  L471      AbstractCegarLoop]: Abstraction has 238 states and 393 transitions.
[2024-11-06 08:45:19,700 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77)
[2024-11-06 08:45:19,700 INFO  L276                IsEmpty]: Start isEmpty. Operand 238 states and 393 transitions.
[2024-11-06 08:45:19,711 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 508
[2024-11-06 08:45:19,711 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:45:19,712 INFO  L215           NwaCegarLoop]: trace histogram [77, 77, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:45:19,789 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-06 08:45:19,912 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:45:19,913 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:45:19,914 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:45:19,914 INFO  L85        PathProgramCache]: Analyzing trace with hash -2010824792, now seen corresponding path program 1 times
[2024-11-06 08:45:19,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:45:19,918 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051084898]
[2024-11-06 08:45:19,918 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:45:19,918 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:45:19,919 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:45:19,920 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:45:19,924 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-06 08:45:22,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:45:22,169 INFO  L255         TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-06 08:45:22,182 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:45:50,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 11704 backedges. 5929 proven. 240 refuted. 0 times theorem prover too weak. 5535 trivial. 0 not checked.
[2024-11-06 08:45:50,370 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:45:51,479 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:45:51,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051084898]
[2024-11-06 08:45:51,479 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051084898] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:45:51,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926470711]
[2024-11-06 08:45:51,479 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:45:51,480 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:45:51,480 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:45:51,481 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:45:51,483 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-06 08:45:52,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:45:53,194 INFO  L255         TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-06 08:45:53,202 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:45:54,869 INFO  L134       CoverageAnalysis]: Checked inductivity of 11704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11704 trivial. 0 not checked.
[2024-11-06 08:45:54,869 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:45:54,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [926470711] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:45:54,869 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-06 08:45:54,870 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9
[2024-11-06 08:45:54,870 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759614898]
[2024-11-06 08:45:54,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:45:54,873 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 08:45:54,873 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:45:54,874 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 08:45:54,874 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2024-11-06 08:45:54,874 INFO  L87              Difference]: Start difference. First operand 238 states and 393 transitions. Second operand  has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 1 states have call predecessors, (77), 1 states have call successors, (77)
[2024-11-06 08:46:00,249 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:46:04,263 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:46:04,593 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:46:04,593 INFO  L93              Difference]: Finished difference Result 704 states and 1165 transitions.
[2024-11-06 08:46:04,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-06 08:46:04,594 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 1 states have call predecessors, (77), 1 states have call successors, (77) Word has length 507
[2024-11-06 08:46:04,595 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:46:04,601 INFO  L225             Difference]: With dead ends: 704
[2024-11-06 08:46:04,601 INFO  L226             Difference]: Without dead ends: 469
[2024-11-06 08:46:04,602 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1086 GetRequests, 1078 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2024-11-06 08:46:04,603 INFO  L432           NwaCegarLoop]: 477 mSDtfsCounter, 362 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time
[2024-11-06 08:46:04,603 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 846 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time]
[2024-11-06 08:46:04,605 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 469 states.
[2024-11-06 08:46:04,629 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 268.
[2024-11-06 08:46:04,629 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 268 states, 189 states have (on average 1.5185185185185186) internal successors, (287), 189 states have internal predecessors, (287), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77)
[2024-11-06 08:46:04,631 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 441 transitions.
[2024-11-06 08:46:04,632 INFO  L78                 Accepts]: Start accepts. Automaton has 268 states and 441 transitions. Word has length 507
[2024-11-06 08:46:04,633 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:46:04,633 INFO  L471      AbstractCegarLoop]: Abstraction has 268 states and 441 transitions.
[2024-11-06 08:46:04,634 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 1 states have call predecessors, (77), 1 states have call successors, (77)
[2024-11-06 08:46:04,634 INFO  L276                IsEmpty]: Start isEmpty. Operand 268 states and 441 transitions.
[2024-11-06 08:46:04,641 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 508
[2024-11-06 08:46:04,641 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:46:04,641 INFO  L215           NwaCegarLoop]: trace histogram [77, 77, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:46:04,717 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-06 08:46:05,014 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-06 08:46:05,042 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:46:05,042 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:46:05,043 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:46:05,043 INFO  L85        PathProgramCache]: Analyzing trace with hash -1094131036, now seen corresponding path program 1 times
[2024-11-06 08:46:05,047 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:46:05,047 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631279264]
[2024-11-06 08:46:05,047 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:46:05,047 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 08:46:05,047 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:46:05,050 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 08:46:05,051 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-06 08:46:07,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:46:07,170 INFO  L255         TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-06 08:46:07,177 INFO  L278         TraceCheckSpWp]: Computing forward predicates...