/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-85.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 09:02:18,274 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 09:02:18,337 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 09:02:18,342 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 09:02:18,342 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 09:02:18,363 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 09:02:18,364 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 09:02:18,364 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 09:02:18,364 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 09:02:18,367 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 09:02:18,367 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 09:02:18,367 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 09:02:18,368 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 09:02:18,369 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 09:02:18,369 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 09:02:18,369 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 09:02:18,369 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 09:02:18,369 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 09:02:18,370 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 09:02:18,370 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 09:02:18,371 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 09:02:18,371 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 09:02:18,371 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 09:02:18,371 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 09:02:18,371 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 09:02:18,371 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 09:02:18,372 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 09:02:18,372 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 09:02:18,372 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 09:02:18,372 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 09:02:18,373 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 09:02:18,373 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 09:02:18,373 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 09:02:18,373 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 09:02:18,373 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 09:02:18,373 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 09:02:18,373 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 09:02:18,374 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 09:02:18,374 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 09:02:18,374 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 09:02:18,374 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 09:02:18,375 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 09:02:18,375 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 09:02:18,375 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 09:02:18,375 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 09:02:18,375 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 09:02:18,375 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 09:02:18,558 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 09:02:18,576 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 09:02:18,578 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 09:02:18,579 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 09:02:18,579 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 09:02:18,580 INFO  L431   ainManager$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-85.i
[2023-12-23 09:02:19,545 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 09:02:19,706 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 09:02:19,706 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-85.i
[2023-12-23 09:02:19,712 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f3176a7/d6839f61f45e4ee4b6f98998b40c9f75/FLAGca6a51818
[2023-12-23 09:02:19,726 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04f3176a7/d6839f61f45e4ee4b6f98998b40c9f75
[2023-12-23 09:02:19,728 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 09:02:19,729 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 09:02:19,729 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 09:02:19,730 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 09:02:19,734 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 09:02:19,734 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:19,735 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c610c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19, skipping insertion in model container
[2023-12-23 09:02:19,735 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:19,773 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 09:02:19,888 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-85.i[919,932]
[2023-12-23 09:02:19,931 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 09:02:19,941 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 09:02:19,949 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-85.i[919,932]
[2023-12-23 09:02:19,975 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 09:02:19,986 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 09:02:19,987 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19 WrapperNode
[2023-12-23 09:02:19,987 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 09:02:19,988 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 09:02:19,988 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 09:02:19,988 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 09:02:19,992 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,001 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,034 INFO  L138                Inliner]: procedures = 27, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235
[2023-12-23 09:02:20,035 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 09:02:20,035 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 09:02:20,035 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 09:02:20,036 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 09:02:20,050 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,051 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,062 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,076 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 09:02:20,077 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,077 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,085 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,087 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,096 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,097 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,100 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 09:02:20,101 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 09:02:20,101 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 09:02:20,101 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 09:02:20,101 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (1/1) ...
[2023-12-23 09:02:20,111 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 09:02:20,118 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 09:02:20,128 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 09:02:20,158 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 09:02:20,163 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 09:02:20,164 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 09:02:20,164 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 09:02:20,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 09:02:20,165 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 09:02:20,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 09:02:20,257 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 09:02:20,259 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 09:02:37,566 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 09:02:37,596 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 09:02:37,596 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 09:02:37,596 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:02:37 BoogieIcfgContainer
[2023-12-23 09:02:37,596 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 09:02:37,598 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 09:02:37,598 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 09:02:37,600 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 09:02:37,600 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:02:19" (1/3) ...
[2023-12-23 09:02:37,600 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcf372b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:02:37, skipping insertion in model container
[2023-12-23 09:02:37,600 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:19" (2/3) ...
[2023-12-23 09:02:37,600 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcf372b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:02:37, skipping insertion in model container
[2023-12-23 09:02:37,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:02:37" (3/3) ...
[2023-12-23 09:02:37,601 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-85.i
[2023-12-23 09:02:37,612 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 09:02:37,612 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 09:02:37,643 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 09:02:37,649 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;@e36bb51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 09:02:37,649 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 09:02:37,652 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 99 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41)
[2023-12-23 09:02:37,663 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2023-12-23 09:02:37,663 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:02:37,663 INFO  L195           NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:37,664 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:02:37,667 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:02:37,667 INFO  L85        PathProgramCache]: Analyzing trace with hash -1105541111, now seen corresponding path program 1 times
[2023-12-23 09:02:37,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:02:37,679 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681298175]
[2023-12-23 09:02:37,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:02:37,679 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 09:02:37,679 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:02:37,681 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 09:02:37,684 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 09:02:38,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:02:38,911 INFO  L262         TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 09:02:38,920 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 09:02:38,967 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 2384 trivial. 0 not checked.
[2023-12-23 09:02:38,967 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 09:02:38,967 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 09:02:38,968 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681298175]
[2023-12-23 09:02:38,968 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [681298175] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 09:02:38,968 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 09:02:38,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 09:02:38,969 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601760575]
[2023-12-23 09:02:38,970 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 09:02:38,973 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 09:02:38,973 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 09:02:38,990 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 09:02:38,990 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 09:02:38,993 INFO  L87              Difference]: Start difference. First operand  has 99 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41)
[2023-12-23 09:02:39,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 09:02:39,791 INFO  L93              Difference]: Finished difference Result 195 states and 359 transitions.
[2023-12-23 09:02:39,824 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 09:02:39,826 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 247
[2023-12-23 09:02:39,826 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 09:02:39,831 INFO  L225             Difference]: With dead ends: 195
[2023-12-23 09:02:39,831 INFO  L226             Difference]: Without dead ends: 97
[2023-12-23 09:02:39,834 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 09:02:39,838 INFO  L413           NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2023-12-23 09:02:39,838 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2023-12-23 09:02:39,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2023-12-23 09:02:39,867 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2023-12-23 09:02:39,868 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41)
[2023-12-23 09:02:39,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 155 transitions.
[2023-12-23 09:02:39,871 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 155 transitions. Word has length 247
[2023-12-23 09:02:39,871 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 09:02:39,871 INFO  L495      AbstractCegarLoop]: Abstraction has 97 states and 155 transitions.
[2023-12-23 09:02:39,872 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41)
[2023-12-23 09:02:39,872 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions.
[2023-12-23 09:02:39,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2023-12-23 09:02:39,875 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:02:39,875 INFO  L195           NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:39,904 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 09:02:40,080 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 09:02:40,081 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:02:40,081 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:02:40,082 INFO  L85        PathProgramCache]: Analyzing trace with hash 1230800567, now seen corresponding path program 1 times
[2023-12-23 09:02:40,082 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:02:40,083 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882229351]
[2023-12-23 09:02:40,083 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:02:40,083 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 09:02:40,083 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:02:40,084 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 09:02:40,085 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 09:02:41,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:02:41,329 INFO  L262         TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-23 09:02:41,336 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 09:02:43,438 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked.
[2023-12-23 09:02:43,438 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 09:02:43,438 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 09:02:43,439 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882229351]
[2023-12-23 09:02:43,439 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882229351] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 09:02:43,439 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 09:02:43,439 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 09:02:43,439 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163346490]
[2023-12-23 09:02:43,439 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 09:02:43,440 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-23 09:02:43,440 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 09:02:43,441 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-23 09:02:43,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-23 09:02:43,441 INFO  L87              Difference]: Start difference. First operand 97 states and 155 transitions. Second operand  has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41)
[2023-12-23 09:02:45,458 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 09:02:45,458 INFO  L93              Difference]: Finished difference Result 193 states and 309 transitions.
[2023-12-23 09:02:45,491 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 09:02:45,491 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247
[2023-12-23 09:02:45,493 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 09:02:45,494 INFO  L225             Difference]: With dead ends: 193
[2023-12-23 09:02:45,494 INFO  L226             Difference]: Without dead ends: 97
[2023-12-23 09:02:45,495 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-12-23 09:02:45,495 INFO  L413           NwaCegarLoop]: 147 mSDtfsCounter, 153 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2023-12-23 09:02:45,496 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 176 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2023-12-23 09:02:45,496 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2023-12-23 09:02:45,506 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2023-12-23 09:02:45,506 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 54 states have internal predecessors, (72), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41)
[2023-12-23 09:02:45,507 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions.
[2023-12-23 09:02:45,507 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 247
[2023-12-23 09:02:45,512 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 09:02:45,512 INFO  L495      AbstractCegarLoop]: Abstraction has 97 states and 154 transitions.
[2023-12-23 09:02:45,512 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41)
[2023-12-23 09:02:45,512 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions.
[2023-12-23 09:02:45,516 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-12-23 09:02:45,516 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:02:45,516 INFO  L195           NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:45,551 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 09:02:45,736 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 09:02:45,736 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:02:45,737 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:02:45,737 INFO  L85        PathProgramCache]: Analyzing trace with hash 1820561314, now seen corresponding path program 1 times
[2023-12-23 09:02:45,738 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:02:45,738 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777591692]
[2023-12-23 09:02:45,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:02:45,738 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 09:02:45,738 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:02:45,739 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 09:02:45,756 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 09:02:46,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:02:46,959 INFO  L262         TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-12-23 09:02:46,964 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 09:02:52,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 1408 proven. 84 refuted. 0 times theorem prover too weak. 1788 trivial. 0 not checked.
[2023-12-23 09:02:52,254 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 09:02:53,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 36 proven. 84 refuted. 0 times theorem prover too weak. 3160 trivial. 0 not checked.
[2023-12-23 09:02:53,867 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 09:02:53,867 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777591692]
[2023-12-23 09:02:53,868 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777591692] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 09:02:53,868 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 09:02:53,868 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14
[2023-12-23 09:02:53,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810848782]
[2023-12-23 09:02:53,868 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 09:02:53,869 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-12-23 09:02:53,869 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 09:02:53,869 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-12-23 09:02:53,870 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2023-12-23 09:02:53,870 INFO  L87              Difference]: Start difference. First operand 97 states and 154 transitions. Second operand  has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 4 states have call successors, (82), 3 states have call predecessors, (82), 5 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82)
[2023-12-23 09:02:58,442 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:02,153 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:02,505 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 09:03:02,505 INFO  L93              Difference]: Finished difference Result 424 states and 679 transitions.
[2023-12-23 09:03:02,506 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-12-23 09:03:02,506 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 4 states have call successors, (82), 3 states have call predecessors, (82), 5 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82) Word has length 248
[2023-12-23 09:03:02,507 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 09:03:02,509 INFO  L225             Difference]: With dead ends: 424
[2023-12-23 09:03:02,509 INFO  L226             Difference]: Without dead ends: 328
[2023-12-23 09:03:02,510 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 483 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812
[2023-12-23 09:03:02,511 INFO  L413           NwaCegarLoop]: 130 mSDtfsCounter, 532 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time
[2023-12-23 09:03:02,511 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 799 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time]
[2023-12-23 09:03:02,512 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 328 states.
[2023-12-23 09:03:02,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 219.
[2023-12-23 09:03:02,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 219 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 122 states have internal predecessors, (157), 93 states have call successors, (93), 4 states have call predecessors, (93), 4 states have return successors, (93), 92 states have call predecessors, (93), 93 states have call successors, (93)
[2023-12-23 09:03:02,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 343 transitions.
[2023-12-23 09:03:02,574 INFO  L78                 Accepts]: Start accepts. Automaton has 219 states and 343 transitions. Word has length 248
[2023-12-23 09:03:02,576 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 09:03:02,576 INFO  L495      AbstractCegarLoop]: Abstraction has 219 states and 343 transitions.
[2023-12-23 09:03:02,577 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 4 states have call successors, (82), 3 states have call predecessors, (82), 5 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82)
[2023-12-23 09:03:02,577 INFO  L276                IsEmpty]: Start isEmpty. Operand 219 states and 343 transitions.
[2023-12-23 09:03:02,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2023-12-23 09:03:02,581 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:03:02,581 INFO  L195           NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:02,614 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 (4)] Ended with exit code 0
[2023-12-23 09:03:02,800 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 09:03:02,800 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:03:02,801 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:03:02,801 INFO  L85        PathProgramCache]: Analyzing trace with hash 1934819878, now seen corresponding path program 1 times
[2023-12-23 09:03:02,802 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:03:02,802 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078796979]
[2023-12-23 09:03:02,802 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:03:02,802 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 09:03:02,802 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:03:02,804 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 09:03:02,807 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 09:03:04,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:03:04,060 INFO  L262         TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-23 09:03:04,065 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 09:03:04,657 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 1218 proven. 27 refuted. 0 times theorem prover too weak. 2035 trivial. 0 not checked.
[2023-12-23 09:03:04,657 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 09:03:05,221 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 93 proven. 27 refuted. 0 times theorem prover too weak. 3160 trivial. 0 not checked.
[2023-12-23 09:03:05,221 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 09:03:05,221 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078796979]
[2023-12-23 09:03:05,221 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078796979] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 09:03:05,221 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 09:03:05,221 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2023-12-23 09:03:05,222 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617632292]
[2023-12-23 09:03:05,222 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 09:03:05,222 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-23 09:03:05,222 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 09:03:05,223 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-23 09:03:05,223 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-12-23 09:03:05,223 INFO  L87              Difference]: Start difference. First operand 219 states and 343 transitions. Second operand  has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51)
[2023-12-23 09:03:10,572 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:14,576 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:18,203 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:22,660 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:26,671 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:28,333 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 09:03:28,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 09:03:28,421 INFO  L93              Difference]: Finished difference Result 369 states and 572 transitions.
[2023-12-23 09:03:28,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-23 09:03:28,452 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 248
[2023-12-23 09:03:28,453 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 09:03:28,455 INFO  L225             Difference]: With dead ends: 369
[2023-12-23 09:03:28,455 INFO  L226             Difference]: Without dead ends: 235
[2023-12-23 09:03:28,456 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 488 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182
[2023-12-23 09:03:28,456 INFO  L413           NwaCegarLoop]: 103 mSDtfsCounter, 177 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 223 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time
[2023-12-23 09:03:28,457 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 226 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 212 Invalid, 4 Unknown, 0 Unchecked, 22.9s Time]
[2023-12-23 09:03:28,457 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 235 states.
[2023-12-23 09:03:28,477 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 227.
[2023-12-23 09:03:28,478 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 227 states, 127 states have (on average 1.2677165354330708) internal successors, (161), 128 states have internal predecessors, (161), 93 states have call successors, (93), 6 states have call predecessors, (93), 6 states have return successors, (93), 92 states have call predecessors, (93), 93 states have call successors, (93)
[2023-12-23 09:03:28,479 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 347 transitions.
[2023-12-23 09:03:28,479 INFO  L78                 Accepts]: Start accepts. Automaton has 227 states and 347 transitions. Word has length 248
[2023-12-23 09:03:28,480 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 09:03:28,480 INFO  L495      AbstractCegarLoop]: Abstraction has 227 states and 347 transitions.
[2023-12-23 09:03:28,480 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51)
[2023-12-23 09:03:28,480 INFO  L276                IsEmpty]: Start isEmpty. Operand 227 states and 347 transitions.
[2023-12-23 09:03:28,482 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2023-12-23 09:03:28,482 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 09:03:28,482 INFO  L195           NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:28,514 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-12-23 09:03:28,696 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 09:03:28,697 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 09:03:28,697 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 09:03:28,697 INFO  L85        PathProgramCache]: Analyzing trace with hash -1019500394, now seen corresponding path program 1 times
[2023-12-23 09:03:28,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 09:03:28,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865586695]
[2023-12-23 09:03:28,698 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 09:03:28,698 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 09:03:28,698 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 09:03:28,699 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 09:03:28,701 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 09:03:29,884 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 09:03:29,937 INFO  L262         TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-23 09:03:29,943 INFO  L285         TraceCheckSpWp]: Computing forward predicates...