/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-50_file-14.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 05:50:13,808 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 05:50:13,887 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 05:50:13,891 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 05:50:13,891 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 05:50:13,918 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 05:50:13,919 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 05:50:13,920 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 05:50:13,920 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 05:50:13,925 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 05:50:13,925 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 05:50:13,926 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 05:50:13,926 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 05:50:13,927 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 05:50:13,927 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 05:50:13,927 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 05:50:13,928 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 05:50:13,928 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 05:50:13,928 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 05:50:13,928 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 05:50:13,928 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 05:50:13,929 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 05:50:13,929 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 05:50:13,929 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 05:50:13,929 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 05:50:13,929 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 05:50:13,929 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 05:50:13,930 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 05:50:13,930 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 05:50:13,930 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 05:50:13,931 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 05:50:13,931 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 05:50:13,931 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 05:50:13,931 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 05:50:13,931 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 05:50:13,932 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 05:50:13,932 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 05:50:13,932 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 05:50:13,932 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 05:50:13,932 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 05:50:13,932 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 05:50:13,933 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 05:50:13,933 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 05:50:13,933 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 05:50:13,933 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 05:50:13,933 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 05:50:13,933 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 05:50:14,141 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 05:50:14,163 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 05:50:14,165 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 05:50:14,166 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 05:50:14,166 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 05:50:14,168 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-14.i
[2023-12-23 05:50:15,337 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 05:50:15,538 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 05:50:15,539 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-14.i
[2023-12-23 05:50:15,551 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdc3757eb/ee6c2bad39d9421fabc63143d93957dc/FLAGac0309fb3
[2023-12-23 05:50:15,566 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdc3757eb/ee6c2bad39d9421fabc63143d93957dc
[2023-12-23 05:50:15,568 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 05:50:15,569 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 05:50:15,571 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 05:50:15,571 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 05:50:15,575 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 05:50:15,575 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,576 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8a093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15, skipping insertion in model container
[2023-12-23 05:50:15,576 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,608 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 05:50:15,715 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-50_file-14.i[915,928]
[2023-12-23 05:50:15,771 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 05:50:15,784 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 05:50:15,793 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-50_file-14.i[915,928]
[2023-12-23 05:50:15,818 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 05:50:15,830 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 05:50:15,831 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15 WrapperNode
[2023-12-23 05:50:15,831 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 05:50:15,832 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 05:50:15,832 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 05:50:15,832 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 05:50:15,836 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,844 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,867 INFO  L138                Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244
[2023-12-23 05:50:15,867 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 05:50:15,868 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 05:50:15,868 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 05:50:15,868 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 05:50:15,875 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,875 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,879 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,888 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 05:50:15,888 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,888 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,895 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,897 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,899 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,900 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,903 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 05:50:15,903 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 05:50:15,903 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 05:50:15,904 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 05:50:15,904 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (1/1) ...
[2023-12-23 05:50:15,920 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 05:50:15,930 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 05:50:15,954 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 05:50:15,959 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 05:50:15,974 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 05:50:15,975 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 05:50:15,975 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 05:50:15,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 05:50:15,976 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 05:50:15,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 05:50:16,072 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 05:50:16,075 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 05:50:47,785 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 05:50:47,829 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 05:50:47,829 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 05:50:47,830 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:50:47 BoogieIcfgContainer
[2023-12-23 05:50:47,830 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 05:50:47,831 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 05:50:47,831 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 05:50:47,835 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 05:50:47,835 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:50:15" (1/3) ...
[2023-12-23 05:50:47,836 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fc9e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:50:47, skipping insertion in model container
[2023-12-23 05:50:47,837 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:50:15" (2/3) ...
[2023-12-23 05:50:47,837 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fc9e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:50:47, skipping insertion in model container
[2023-12-23 05:50:47,837 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:50:47" (3/3) ...
[2023-12-23 05:50:47,838 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-14.i
[2023-12-23 05:50:47,849 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 05:50:47,849 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 05:50:47,903 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 05:50:47,909 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;@25a1aaca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 05:50:47,909 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 05:50:47,914 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 105 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45)
[2023-12-23 05:50:47,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2023-12-23 05:50:47,936 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 05:50:47,937 INFO  L195           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:47,937 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 05:50:47,944 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 05:50:47,944 INFO  L85        PathProgramCache]: Analyzing trace with hash -588371647, now seen corresponding path program 1 times
[2023-12-23 05:50:47,955 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 05:50:47,956 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641302788]
[2023-12-23 05:50:47,956 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 05:50:47,956 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 05:50:47,956 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 05:50:47,958 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 05:50:47,963 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 05:50:48,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 05:50:48,535 INFO  L262         TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 05:50:48,549 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 05:50:48,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 3380 trivial. 0 not checked.
[2023-12-23 05:50:48,603 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 05:50:48,603 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 05:50:48,603 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641302788]
[2023-12-23 05:50:48,604 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [641302788] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 05:50:48,604 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 05:50:48,604 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 05:50:48,605 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899411501]
[2023-12-23 05:50:48,606 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 05:50:48,609 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 05:50:48,609 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 05:50:48,631 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 05:50:48,631 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 05:50:48,633 INFO  L87              Difference]: Start difference. First operand  has 105 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45)
[2023-12-23 05:50:51,806 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 05:50:51,808 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 05:50:51,808 INFO  L93              Difference]: Finished difference Result 207 states and 385 transitions.
[2023-12-23 05:50:51,873 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 05:50:51,875 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 268
[2023-12-23 05:50:51,875 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 05:50:51,881 INFO  L225             Difference]: With dead ends: 207
[2023-12-23 05:50:51,881 INFO  L226             Difference]: Without dead ends: 103
[2023-12-23 05:50:51,884 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 267 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 05:50:51,886 INFO  L413           NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time
[2023-12-23 05:50:51,886 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time]
[2023-12-23 05:50:51,896 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2023-12-23 05:50:51,915 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103.
[2023-12-23 05:50:51,916 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 103 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45)
[2023-12-23 05:50:51,918 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 166 transitions.
[2023-12-23 05:50:51,919 INFO  L78                 Accepts]: Start accepts. Automaton has 103 states and 166 transitions. Word has length 268
[2023-12-23 05:50:51,920 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 05:50:51,920 INFO  L495      AbstractCegarLoop]: Abstraction has 103 states and 166 transitions.
[2023-12-23 05:50:51,920 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45)
[2023-12-23 05:50:51,920 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 166 transitions.
[2023-12-23 05:50:51,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2023-12-23 05:50:51,923 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 05:50:51,923 INFO  L195           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:51,941 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 05:50:52,140 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 05:50:52,140 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 05:50:52,141 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 05:50:52,141 INFO  L85        PathProgramCache]: Analyzing trace with hash 628036539, now seen corresponding path program 1 times
[2023-12-23 05:50:52,142 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 05:50:52,142 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360936833]
[2023-12-23 05:50:52,142 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 05:50:52,142 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 05:50:52,142 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 05:50:52,143 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 05:50:52,144 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 05:50:52,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 05:50:52,693 INFO  L262         TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 05:50:52,704 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 05:50:52,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked.
[2023-12-23 05:50:52,815 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 05:50:52,815 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 05:50:52,815 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360936833]
[2023-12-23 05:50:52,815 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360936833] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 05:50:52,815 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 05:50:52,816 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 05:50:52,816 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635220485]
[2023-12-23 05:50:52,816 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 05:50:52,817 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 05:50:52,817 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 05:50:52,818 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 05:50:52,818 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 05:50:52,818 INFO  L87              Difference]: Start difference. First operand 103 states and 166 transitions. Second operand  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45)
[2023-12-23 05:50:56,090 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 05:50:56,261 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 05:50:56,261 INFO  L93              Difference]: Finished difference Result 270 states and 434 transitions.
[2023-12-23 05:50:56,266 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 05:50:56,267 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 268
[2023-12-23 05:50:56,268 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 05:50:56,269 INFO  L225             Difference]: With dead ends: 270
[2023-12-23 05:50:56,269 INFO  L226             Difference]: Without dead ends: 168
[2023-12-23 05:50:56,270 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 266 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 05:50:56,273 INFO  L413           NwaCegarLoop]: 161 mSDtfsCounter, 99 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2023-12-23 05:50:56,273 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 316 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2023-12-23 05:50:56,274 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 168 states.
[2023-12-23 05:50:56,291 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165.
[2023-12-23 05:50:56,292 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 165 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 94 states have internal predecessors, (128), 69 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69)
[2023-12-23 05:50:56,293 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 266 transitions.
[2023-12-23 05:50:56,293 INFO  L78                 Accepts]: Start accepts. Automaton has 165 states and 266 transitions. Word has length 268
[2023-12-23 05:50:56,294 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 05:50:56,294 INFO  L495      AbstractCegarLoop]: Abstraction has 165 states and 266 transitions.
[2023-12-23 05:50:56,294 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45)
[2023-12-23 05:50:56,294 INFO  L276                IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions.
[2023-12-23 05:50:56,297 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2023-12-23 05:50:56,297 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 05:50:56,297 INFO  L195           NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:56,316 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 05:50:56,507 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 05:50:56,508 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 05:50:56,508 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 05:50:56,508 INFO  L85        PathProgramCache]: Analyzing trace with hash -383080711, now seen corresponding path program 1 times
[2023-12-23 05:50:56,509 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 05:50:56,509 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373574105]
[2023-12-23 05:50:56,509 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 05:50:56,509 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 05:50:56,509 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 05:50:56,510 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 05:50:56,535 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 05:50:57,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 05:50:57,066 INFO  L262         TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-23 05:50:57,080 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 05:51:35,489 INFO  L134       CoverageAnalysis]: Checked inductivity of 3960 backedges. 692 proven. 120 refuted. 0 times theorem prover too weak. 3148 trivial. 0 not checked.
[2023-12-23 05:51:35,489 INFO  L327         TraceCheckSpWp]: Computing backward predicates...