/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_fillercodestructure_filler-pe-cn_file-63.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 08:45:23,488 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 08:45:23,557 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 08:45:23,562 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 08:45:23,563 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 08:45:23,589 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 08:45:23,590 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 08:45:23,590 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 08:45:23,591 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 08:45:23,594 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 08:45:23,594 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 08:45:23,595 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 08:45:23,595 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 08:45:23,596 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 08:45:23,596 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 08:45:23,597 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 08:45:23,597 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 08:45:23,597 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 08:45:23,597 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 08:45:23,597 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 08:45:23,598 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 08:45:23,598 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 08:45:23,598 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 08:45:23,598 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 08:45:23,598 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 08:45:23,599 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 08:45:23,599 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 08:45:23,599 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 08:45:23,599 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 08:45:23,599 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 08:45:23,600 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 08:45:23,600 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 08:45:23,600 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 08:45:23,600 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 08:45:23,600 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 08:45:23,601 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 08:45:23,601 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 08:45:23,601 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 08:45:23,601 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 08:45:23,601 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 08:45:23,601 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 08:45:23,601 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 08:45:23,601 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 08:45:23,602 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 08:45:23,602 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 08:45:23,602 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 08:45:23,602 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 08:45:23,809 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 08:45:23,833 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 08:45:23,836 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 08:45:23,837 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 08:45:23,837 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 08:45:23,839 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-63.i
[2023-12-23 08:45:24,880 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 08:45:25,101 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 08:45:25,102 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-63.i
[2023-12-23 08:45:25,114 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d60732ac/f2d7fa43baf941fca5aae710ea201c4a/FLAGdca6945b9
[2023-12-23 08:45:25,123 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d60732ac/f2d7fa43baf941fca5aae710ea201c4a
[2023-12-23 08:45:25,125 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 08:45:25,126 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 08:45:25,127 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 08:45:25,127 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 08:45:25,130 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 08:45:25,131 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,132 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3319bf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25, skipping insertion in model container
[2023-12-23 08:45:25,132 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,160 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 08:45:25,286 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_fillercodestructure_filler-pe-cn_file-63.i[919,932]
[2023-12-23 08:45:25,411 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 08:45:25,434 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 08:45:25,462 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_fillercodestructure_filler-pe-cn_file-63.i[919,932]
[2023-12-23 08:45:25,514 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 08:45:25,559 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 08:45:25,560 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25 WrapperNode
[2023-12-23 08:45:25,560 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 08:45:25,566 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 08:45:25,566 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 08:45:25,570 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 08:45:25,575 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,607 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,648 INFO  L138                Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 247
[2023-12-23 08:45:25,648 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 08:45:25,649 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 08:45:25,649 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 08:45:25,649 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 08:45:25,673 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,674 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,676 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,703 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 08:45:25,704 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,704 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,712 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,715 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,734 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,736 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,759 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 08:45:25,760 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 08:45:25,760 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 08:45:25,760 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 08:45:25,760 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (1/1) ...
[2023-12-23 08:45:25,784 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 08:45:25,792 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 08:45:25,842 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 08:45:25,873 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 08:45:25,887 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 08:45:25,887 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 08:45:25,887 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 08:45:25,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 08:45:25,887 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 08:45:25,887 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 08:45:25,960 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 08:45:25,961 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 08:45:33,108 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 08:45:33,186 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 08:45:33,187 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 08:45:33,187 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:45:33 BoogieIcfgContainer
[2023-12-23 08:45:33,187 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 08:45:33,189 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 08:45:33,189 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 08:45:33,191 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 08:45:33,191 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:45:25" (1/3) ...
[2023-12-23 08:45:33,192 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2723ccab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:45:33, skipping insertion in model container
[2023-12-23 08:45:33,192 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:25" (2/3) ...
[2023-12-23 08:45:33,192 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2723ccab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:45:33, skipping insertion in model container
[2023-12-23 08:45:33,192 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:45:33" (3/3) ...
[2023-12-23 08:45:33,193 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-63.i
[2023-12-23 08:45:33,207 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 08:45:33,207 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 08:45:33,242 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 08:45:33,246 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;@5e4359b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 08:45:33,247 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 08:45:33,251 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 100 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 08:45:33,274 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2023-12-23 08:45:33,275 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:45:33,275 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:33,276 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:45:33,280 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:45:33,280 INFO  L85        PathProgramCache]: Analyzing trace with hash 1160586523, now seen corresponding path program 1 times
[2023-12-23 08:45:33,292 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:45:33,293 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116128486]
[2023-12-23 08:45:33,293 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:45:33,294 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 08:45:33,294 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:45:33,332 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 08:45:33,349 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 08:45:33,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:45:33,883 INFO  L262         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 08:45:33,891 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:45:33,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 1158 proven. 0 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked.
[2023-12-23 08:45:33,959 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 08:45:33,959 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:45:33,959 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116128486]
[2023-12-23 08:45:33,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116128486] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 08:45:33,960 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 08:45:33,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 08:45:33,961 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084244298]
[2023-12-23 08:45:33,962 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 08:45:33,965 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 08:45:33,965 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:45:33,983 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 08:45:33,983 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 08:45:33,985 INFO  L87              Difference]: Start difference. First operand  has 100 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand  has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-23 08:45:38,108 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 08:45:38,109 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:45:38,109 INFO  L93              Difference]: Finished difference Result 197 states and 358 transitions.
[2023-12-23 08:45:38,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 08:45:38,145 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 247
[2023-12-23 08:45:38,145 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:45:38,151 INFO  L225             Difference]: With dead ends: 197
[2023-12-23 08:45:38,151 INFO  L226             Difference]: Without dead ends: 98
[2023-12-23 08:45:38,153 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 246 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 08:45:38,156 INFO  L413           NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2023-12-23 08:45:38,156 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time]
[2023-12-23 08:45:38,167 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2023-12-23 08:45:38,188 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2023-12-23 08:45:38,189 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 98 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 08:45:38,191 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 155 transitions.
[2023-12-23 08:45:38,191 INFO  L78                 Accepts]: Start accepts. Automaton has 98 states and 155 transitions. Word has length 247
[2023-12-23 08:45:38,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:45:38,194 INFO  L495      AbstractCegarLoop]: Abstraction has 98 states and 155 transitions.
[2023-12-23 08:45:38,194 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-23 08:45:38,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions.
[2023-12-23 08:45:38,198 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2023-12-23 08:45:38,198 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:45:38,198 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:38,214 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 (2)] Ended with exit code 0
[2023-12-23 08:45:38,411 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 08:45:38,412 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:45:38,413 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:45:38,413 INFO  L85        PathProgramCache]: Analyzing trace with hash -64238905, now seen corresponding path program 1 times
[2023-12-23 08:45:38,414 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:45:38,414 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93339259]
[2023-12-23 08:45:38,414 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:45:38,414 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 08:45:38,415 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:45:38,416 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 08:45:38,433 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 08:45:38,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:45:38,930 INFO  L262         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-23 08:45:38,967 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:45:40,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 08:45:40,987 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 08:45:40,988 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:45:40,988 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93339259]
[2023-12-23 08:45:40,988 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [93339259] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 08:45:40,988 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 08:45:40,988 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 08:45:40,988 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487695966]
[2023-12-23 08:45:40,988 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 08:45:40,992 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-23 08:45:40,992 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:45:40,993 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-23 08:45:40,993 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-23 08:45:40,993 INFO  L87              Difference]: Start difference. First operand 98 states and 155 transitions. Second operand  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 08:45:43,181 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 08:45:47,399 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 08:45:47,400 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:45:47,400 INFO  L93              Difference]: Finished difference Result 293 states and 464 transitions.
[2023-12-23 08:45:47,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-23 08:45:47,432 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247
[2023-12-23 08:45:47,433 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:45:47,435 INFO  L225             Difference]: With dead ends: 293
[2023-12-23 08:45:47,435 INFO  L226             Difference]: Without dead ends: 196
[2023-12-23 08:45:47,436 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-23 08:45:47,437 INFO  L413           NwaCegarLoop]: 147 mSDtfsCounter, 125 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 81 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time
[2023-12-23 08:45:47,438 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 510 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time]
[2023-12-23 08:45:47,438 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 196 states.
[2023-12-23 08:45:47,467 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 169.
[2023-12-23 08:45:47,468 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 169 states, 86 states have (on average 1.2209302325581395) internal successors, (105), 86 states have internal predecessors, (105), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80)
[2023-12-23 08:45:47,470 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 265 transitions.
[2023-12-23 08:45:47,470 INFO  L78                 Accepts]: Start accepts. Automaton has 169 states and 265 transitions. Word has length 247
[2023-12-23 08:45:47,470 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:45:47,471 INFO  L495      AbstractCegarLoop]: Abstraction has 169 states and 265 transitions.
[2023-12-23 08:45:47,472 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 08:45:47,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 169 states and 265 transitions.
[2023-12-23 08:45:47,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2023-12-23 08:45:47,478 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:45:47,479 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:47,521 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 08:45:47,679 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 08:45:47,680 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:45:47,680 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:45:47,680 INFO  L85        PathProgramCache]: Analyzing trace with hash -881887355, now seen corresponding path program 1 times
[2023-12-23 08:45:47,681 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:45:47,681 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218247604]
[2023-12-23 08:45:47,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:45:47,681 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 08:45:47,681 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:45:47,684 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 08:45:47,687 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 08:45:48,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:45:48,174 INFO  L262         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 08:45:48,179 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:45:48,279 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 08:45:48,281 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 08:45:48,281 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:45:48,283 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218247604]
[2023-12-23 08:45:48,285 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [218247604] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 08:45:48,285 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 08:45:48,285 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 08:45:48,286 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635347606]
[2023-12-23 08:45:48,286 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 08:45:48,286 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 08:45:48,286 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:45:48,287 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 08:45:48,287 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 08:45:48,288 INFO  L87              Difference]: Start difference. First operand 169 states and 265 transitions. Second operand  has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 08:45:50,334 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-12-23 08:45:51,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:45:51,439 INFO  L93              Difference]: Finished difference Result 366 states and 577 transitions.
[2023-12-23 08:45:51,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 08:45:51,440 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247
[2023-12-23 08:45:51,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:45:51,443 INFO  L225             Difference]: With dead ends: 366
[2023-12-23 08:45:51,443 INFO  L226             Difference]: Without dead ends: 269
[2023-12-23 08:45:51,444 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-23 08:45:51,445 INFO  L413           NwaCegarLoop]: 255 mSDtfsCounter, 293 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2023-12-23 08:45:51,445 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 542 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2023-12-23 08:45:51,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2023-12-23 08:45:51,511 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 170.
[2023-12-23 08:45:51,512 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 170 states, 87 states have (on average 1.2183908045977012) internal successors, (106), 87 states have internal predecessors, (106), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80)
[2023-12-23 08:45:51,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 266 transitions.
[2023-12-23 08:45:51,513 INFO  L78                 Accepts]: Start accepts. Automaton has 170 states and 266 transitions. Word has length 247
[2023-12-23 08:45:51,514 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:45:51,514 INFO  L495      AbstractCegarLoop]: Abstraction has 170 states and 266 transitions.
[2023-12-23 08:45:51,514 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 08:45:51,515 INFO  L276                IsEmpty]: Start isEmpty. Operand 170 states and 266 transitions.
[2023-12-23 08:45:51,516 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2023-12-23 08:45:51,516 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:45:51,517 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:51,536 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 08:45:51,717 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 08:45:51,719 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:45:51,719 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:45:51,719 INFO  L85        PathProgramCache]: Analyzing trace with hash 129229895, now seen corresponding path program 1 times
[2023-12-23 08:45:51,720 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:45:51,720 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433805315]
[2023-12-23 08:45:51,720 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:45:51,720 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 08:45:51,720 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:45:51,721 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 08:45:51,760 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 08:45:52,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:45:52,218 INFO  L262         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 08:45:52,222 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:45:52,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 08:45:52,248 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 08:45:52,249 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:45:52,249 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433805315]
[2023-12-23 08:45:52,249 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433805315] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 08:45:52,249 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 08:45:52,249 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 08:45:52,249 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070091183]
[2023-12-23 08:45:52,249 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 08:45:52,250 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 08:45:52,250 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:45:52,250 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 08:45:52,250 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 08:45:52,251 INFO  L87              Difference]: Start difference. First operand 170 states and 266 transitions. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 08:45:55,481 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 08:45:55,633 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:45:55,634 INFO  L93              Difference]: Finished difference Result 293 states and 461 transitions.
[2023-12-23 08:45:55,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 08:45:55,634 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 247
[2023-12-23 08:45:55,635 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:45:55,636 INFO  L225             Difference]: With dead ends: 293
[2023-12-23 08:45:55,636 INFO  L226             Difference]: Without dead ends: 195
[2023-12-23 08:45:55,637 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 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 08:45:55,637 INFO  L413           NwaCegarLoop]: 172 mSDtfsCounter, 31 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2023-12-23 08:45:55,637 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 312 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2023-12-23 08:45:55,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 195 states.
[2023-12-23 08:45:55,654 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 179.
[2023-12-23 08:45:55,654 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 179 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 96 states have internal predecessors, (118), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80)
[2023-12-23 08:45:55,655 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 278 transitions.
[2023-12-23 08:45:55,656 INFO  L78                 Accepts]: Start accepts. Automaton has 179 states and 278 transitions. Word has length 247
[2023-12-23 08:45:55,656 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:45:55,656 INFO  L495      AbstractCegarLoop]: Abstraction has 179 states and 278 transitions.
[2023-12-23 08:45:55,656 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 08:45:55,657 INFO  L276                IsEmpty]: Start isEmpty. Operand 179 states and 278 transitions.
[2023-12-23 08:45:55,658 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2023-12-23 08:45:55,658 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:45:55,658 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:55,675 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 (5)] Ended with exit code 0
[2023-12-23 08:45:55,876 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 08:45:55,877 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:45:55,878 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:45:55,878 INFO  L85        PathProgramCache]: Analyzing trace with hash 841704583, now seen corresponding path program 1 times
[2023-12-23 08:45:55,878 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:45:55,878 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388682602]
[2023-12-23 08:45:55,879 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:45:55,879 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 08:45:55,879 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:45:55,880 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 08:45:55,881 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 08:45:56,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:45:56,373 INFO  L262         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-23 08:45:56,379 INFO  L285         TraceCheckSpWp]: Computing forward predicates...