/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-67.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 00:29:10,633 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 00:29:10,694 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-23 00:29:10,698 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 00:29:10,698 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 00:29:10,712 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 00:29:10,712 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 00:29:10,713 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 00:29:10,713 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 00:29:10,713 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 00:29:10,714 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 00:29:10,714 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 00:29:10,714 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 00:29:10,715 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 00:29:10,715 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 00:29:10,715 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 00:29:10,715 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 00:29:10,716 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 00:29:10,716 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 00:29:10,716 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 00:29:10,716 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 00:29:10,719 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 00:29:10,719 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 00:29:10,719 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 00:29:10,719 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 00:29:10,720 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 00:29:10,720 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 00:29:10,720 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 00:29:10,720 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 00:29:10,720 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 00:29:10,721 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 00:29:10,721 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 00:29:10,721 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 00:29:10,721 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 00:29:10,722 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:29:10,722 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 00:29:10,722 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 00:29:10,722 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 00:29:10,722 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 00:29:10,723 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 00:29:10,723 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 00:29:10,726 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 00:29:10,726 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 00:29:10,727 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 00:29:10,727 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 00:29:10,727 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 00:29:10,727 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 00:29:10,990 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 00:29:11,014 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 00:29:11,017 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 00:29:11,019 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 00:29:11,019 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 00:29:11,022 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-67.i
[2023-12-23 00:29:12,163 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 00:29:12,331 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 00:29:12,332 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-67.i
[2023-12-23 00:29:12,348 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abffa2bf7/49ed36e730fc41c9b9d5d7535a494f89/FLAGa4675f142
[2023-12-23 00:29:12,358 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abffa2bf7/49ed36e730fc41c9b9d5d7535a494f89
[2023-12-23 00:29:12,364 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 00:29:12,365 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 00:29:12,367 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 00:29:12,367 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 00:29:12,370 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 00:29:12,370 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,371 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ead3101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12, skipping insertion in model container
[2023-12-23 00:29:12,371 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,408 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 00:29:12,515 WARN  L239   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_fillercode_fillercodesize_ps-cn-100_file-67.i[916,929]
[2023-12-23 00:29:12,575 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:29:12,591 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 00:29:12,599 WARN  L239   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_fillercode_fillercodesize_ps-cn-100_file-67.i[916,929]
[2023-12-23 00:29:12,650 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:29:12,663 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 00:29:12,664 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12 WrapperNode
[2023-12-23 00:29:12,664 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 00:29:12,665 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 00:29:12,665 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 00:29:12,665 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 00:29:12,677 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,692 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,714 INFO  L138                Inliner]: procedures = 27, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 316
[2023-12-23 00:29:12,714 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 00:29:12,715 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 00:29:12,715 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 00:29:12,715 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 00:29:12,723 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,724 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,746 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,758 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].
[2023-12-23 00:29:12,758 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,758 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,779 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,783 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,785 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,787 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,790 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 00:29:12,791 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 00:29:12,791 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 00:29:12,791 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 00:29:12,792 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (1/1) ...
[2023-12-23 00:29:12,796 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:29:12,805 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 00:29:12,849 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)
[2023-12-23 00:29:12,869 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
[2023-12-23 00:29:12,870 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 00:29:12,870 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 00:29:12,871 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 00:29:12,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 00:29:12,871 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 00:29:12,871 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 00:29:12,943 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 00:29:12,946 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 00:29:20,353 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 00:29:20,447 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 00:29:20,448 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 00:29:20,448 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:29:20 BoogieIcfgContainer
[2023-12-23 00:29:20,448 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 00:29:20,450 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 00:29:20,450 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 00:29:20,452 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 00:29:20,452 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:29:12" (1/3) ...
[2023-12-23 00:29:20,453 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15743a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:29:20, skipping insertion in model container
[2023-12-23 00:29:20,453 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:12" (2/3) ...
[2023-12-23 00:29:20,453 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15743a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:29:20, skipping insertion in model container
[2023-12-23 00:29:20,453 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:29:20" (3/3) ...
[2023-12-23 00:29:20,454 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-67.i
[2023-12-23 00:29:20,469 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 00:29:20,469 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 00:29:20,518 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 00:29:20,524 INFO  L357      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, mHoare=true, 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;@49434c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 00:29:20,524 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 00:29:20,532 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 135 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 75 states have internal predecessors, (106), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2023-12-23 00:29:20,557 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2023-12-23 00:29:20,557 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:29:20,558 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:29:20,559 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:29:20,564 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:29:20,564 INFO  L85        PathProgramCache]: Analyzing trace with hash -1170320432, now seen corresponding path program 1 times
[2023-12-23 00:29:20,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:29:20,577 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525811319]
[2023-12-23 00:29:20,577 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:29:20,577 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
[2023-12-23 00:29:20,578 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:29:20,580 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)
[2023-12-23 00:29:20,600 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
[2023-12-23 00:29:21,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:29:21,183 INFO  L262         TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 00:29:21,216 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:29:21,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 6058 trivial. 0 not checked.
[2023-12-23 00:29:21,352 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:29:21,378 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:29:21,378 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525811319]
[2023-12-23 00:29:21,379 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [525811319] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:29:21,379 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:29:21,379 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:29:21,397 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627297390]
[2023-12-23 00:29:21,398 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:29:21,427 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 00:29:21,427 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:29:21,482 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 00:29:21,482 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:29:21,484 INFO  L87              Difference]: Start difference. First operand  has 135 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 75 states have internal predecessors, (106), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand  has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58)
[2023-12-23 00:29:22,625 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 00:29:22,626 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:29:22,627 INFO  L93              Difference]: Finished difference Result 267 states and 500 transitions.
[2023-12-23 00:29:22,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 00:29:22,655 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 346
[2023-12-23 00:29:22,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:29:22,661 INFO  L225             Difference]: With dead ends: 267
[2023-12-23 00:29:22,661 INFO  L226             Difference]: Without dead ends: 133
[2023-12-23 00:29:22,664 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:29:22,668 INFO  L413           NwaCegarLoop]: 214 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-12-23 00:29:22,669 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 214 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-12-23 00:29:22,683 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2023-12-23 00:29:22,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133.
[2023-12-23 00:29:22,730 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 133 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 73 states have internal predecessors, (101), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2023-12-23 00:29:22,732 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 217 transitions.
[2023-12-23 00:29:22,733 INFO  L78                 Accepts]: Start accepts. Automaton has 133 states and 217 transitions. Word has length 346
[2023-12-23 00:29:22,733 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:29:22,734 INFO  L495      AbstractCegarLoop]: Abstraction has 133 states and 217 transitions.
[2023-12-23 00:29:22,734 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58)
[2023-12-23 00:29:22,734 INFO  L276                IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions.
[2023-12-23 00:29:22,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2023-12-23 00:29:22,743 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:29:22,744 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:29:22,764 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
[2023-12-23 00:29:22,964 WARN  L477      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
[2023-12-23 00:29:22,965 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:29:22,965 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:29:22,965 INFO  L85        PathProgramCache]: Analyzing trace with hash -357320560, now seen corresponding path program 1 times
[2023-12-23 00:29:22,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:29:22,966 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071672615]
[2023-12-23 00:29:22,966 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:29:22,967 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
[2023-12-23 00:29:22,967 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:29:22,968 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)
[2023-12-23 00:29:22,998 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
[2023-12-23 00:29:23,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:29:23,509 INFO  L262         TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 00:29:23,516 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:29:23,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2023-12-23 00:29:23,620 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:29:23,621 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:29:23,622 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071672615]
[2023-12-23 00:29:23,623 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071672615] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:29:23,623 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:29:23,623 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 00:29:23,623 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714965773]
[2023-12-23 00:29:23,623 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:29:23,627 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 00:29:23,627 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:29:23,629 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 00:29:23,629 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:29:23,629 INFO  L87              Difference]: Start difference. First operand 133 states and 217 transitions. Second operand  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 00:29:24,665 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:29:24,665 INFO  L93              Difference]: Finished difference Result 350 states and 570 transitions.
[2023-12-23 00:29:24,665 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 00:29:24,666 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 346
[2023-12-23 00:29:24,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:29:24,673 INFO  L225             Difference]: With dead ends: 350
[2023-12-23 00:29:24,673 INFO  L226             Difference]: Without dead ends: 218
[2023-12-23 00:29:24,675 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:29:24,676 INFO  L413           NwaCegarLoop]: 291 mSDtfsCounter, 132 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-12-23 00:29:24,676 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 494 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-12-23 00:29:24,679 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2023-12-23 00:29:24,717 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 215.
[2023-12-23 00:29:24,719 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 215 states, 124 states have (on average 1.3951612903225807) internal successors, (173), 125 states have internal predecessors, (173), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88)
[2023-12-23 00:29:24,722 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 349 transitions.
[2023-12-23 00:29:24,722 INFO  L78                 Accepts]: Start accepts. Automaton has 215 states and 349 transitions. Word has length 346
[2023-12-23 00:29:24,724 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:29:24,725 INFO  L495      AbstractCegarLoop]: Abstraction has 215 states and 349 transitions.
[2023-12-23 00:29:24,725 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 00:29:24,726 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 349 transitions.
[2023-12-23 00:29:24,732 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 347
[2023-12-23 00:29:24,732 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:29:24,732 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:29:24,757 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 (3)] Forceful destruction successful, exit code 0
[2023-12-23 00:29:24,953 WARN  L477      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
[2023-12-23 00:29:24,953 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:29:24,954 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:29:24,954 INFO  L85        PathProgramCache]: Analyzing trace with hash 1661896980, now seen corresponding path program 1 times
[2023-12-23 00:29:24,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:29:24,955 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286000817]
[2023-12-23 00:29:24,955 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:29:24,955 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
[2023-12-23 00:29:24,955 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:29:24,956 INFO  L229       MonitoredProcess]: Starting monitored process 4 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)
[2023-12-23 00:29:24,959 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 (4)] Waiting until timeout for monitored process
[2023-12-23 00:29:25,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:29:25,498 INFO  L262         TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 00:29:25,504 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:29:26,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2023-12-23 00:29:26,358 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:29:26,359 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:29:26,359 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286000817]
[2023-12-23 00:29:26,359 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286000817] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:29:26,359 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:29:26,359 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 00:29:26,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655502197]
[2023-12-23 00:29:26,359 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:29:26,360 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 00:29:26,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:29:26,360 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 00:29:26,361 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 00:29:26,361 INFO  L87              Difference]: Start difference. First operand 215 states and 349 transitions. Second operand  has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 00:29:28,281 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:29:28,282 INFO  L93              Difference]: Finished difference Result 594 states and 967 transitions.
[2023-12-23 00:29:28,308 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 00:29:28,309 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 346
[2023-12-23 00:29:28,309 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:29:28,313 INFO  L225             Difference]: With dead ends: 594
[2023-12-23 00:29:28,313 INFO  L226             Difference]: Without dead ends: 380
[2023-12-23 00:29:28,314 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-23 00:29:28,314 INFO  L413           NwaCegarLoop]: 211 mSDtfsCounter, 131 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2023-12-23 00:29:28,315 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 631 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2023-12-23 00:29:28,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 380 states.
[2023-12-23 00:29:28,346 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 356.
[2023-12-23 00:29:28,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 356 states, 206 states have (on average 1.3883495145631068) internal successors, (286), 207 states have internal predecessors, (286), 146 states have call successors, (146), 3 states have call predecessors, (146), 3 states have return successors, (146), 145 states have call predecessors, (146), 146 states have call successors, (146)
[2023-12-23 00:29:28,349 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 578 transitions.
[2023-12-23 00:29:28,349 INFO  L78                 Accepts]: Start accepts. Automaton has 356 states and 578 transitions. Word has length 346
[2023-12-23 00:29:28,350 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:29:28,350 INFO  L495      AbstractCegarLoop]: Abstraction has 356 states and 578 transitions.
[2023-12-23 00:29:28,350 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 00:29:28,351 INFO  L276                IsEmpty]: Start isEmpty. Operand 356 states and 578 transitions.
[2023-12-23 00:29:28,352 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 349
[2023-12-23 00:29:28,352 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:29:28,352 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:29:28,370 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 (4)] Forceful destruction successful, exit code 0
[2023-12-23 00:29:28,570 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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
[2023-12-23 00:29:28,571 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:29:28,571 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:29:28,572 INFO  L85        PathProgramCache]: Analyzing trace with hash -101881142, now seen corresponding path program 1 times
[2023-12-23 00:29:28,572 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:29:28,572 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397417440]
[2023-12-23 00:29:28,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:29:28,573 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
[2023-12-23 00:29:28,573 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:29:28,584 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)
[2023-12-23 00:29:28,586 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
[2023-12-23 00:29:29,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:29:29,127 INFO  L262         TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 00:29:29,132 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:29:29,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2023-12-23 00:29:29,817 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:29:29,817 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:29:29,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397417440]
[2023-12-23 00:29:29,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [397417440] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:29:29,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:29:29,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:29:29,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351660783]
[2023-12-23 00:29:29,818 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:29:29,818 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 00:29:29,818 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:29:29,819 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 00:29:29,819 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:29:29,819 INFO  L87              Difference]: Start difference. First operand 356 states and 578 transitions. Second operand  has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 00:29:30,871 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:29:30,872 INFO  L93              Difference]: Finished difference Result 792 states and 1284 transitions.
[2023-12-23 00:29:30,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 00:29:30,873 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 348
[2023-12-23 00:29:30,876 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:29:30,880 INFO  L225             Difference]: With dead ends: 792
[2023-12-23 00:29:30,880 INFO  L226             Difference]: Without dead ends: 578
[2023-12-23 00:29:30,881 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:29:30,881 INFO  L413           NwaCegarLoop]: 212 mSDtfsCounter, 43 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-12-23 00:29:30,882 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 421 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-12-23 00:29:30,882 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 578 states.
[2023-12-23 00:29:30,912 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 576.
[2023-12-23 00:29:30,913 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 576 states, 336 states have (on average 1.3839285714285714) internal successors, (465), 338 states have internal predecessors, (465), 234 states have call successors, (234), 5 states have call predecessors, (234), 5 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234)
[2023-12-23 00:29:30,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 933 transitions.
[2023-12-23 00:29:30,917 INFO  L78                 Accepts]: Start accepts. Automaton has 576 states and 933 transitions. Word has length 348
[2023-12-23 00:29:30,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:29:30,917 INFO  L495      AbstractCegarLoop]: Abstraction has 576 states and 933 transitions.
[2023-12-23 00:29:30,918 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 00:29:30,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 576 states and 933 transitions.
[2023-12-23 00:29:30,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 349
[2023-12-23 00:29:30,920 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:29:30,921 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:29:30,940 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 (5)] Forceful destruction successful, exit code 0
[2023-12-23 00:29:31,121 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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
[2023-12-23 00:29:31,121 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:29:31,122 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:29:31,122 INFO  L85        PathProgramCache]: Analyzing trace with hash -159139444, now seen corresponding path program 1 times
[2023-12-23 00:29:31,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:29:31,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746027834]
[2023-12-23 00:29:31,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:29:31,123 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
[2023-12-23 00:29:31,123 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:29:31,128 INFO  L229       MonitoredProcess]: Starting monitored process 6 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)
[2023-12-23 00:29:31,148 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 (6)] Waiting until timeout for monitored process
[2023-12-23 00:29:31,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:29:31,721 INFO  L262         TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-12-23 00:29:31,729 INFO  L285         TraceCheckSpWp]: Computing forward predicates...