/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-ps-cn_file-13.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 14:57:21,099 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 14:57:21,140 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 14:57:21,150 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 14:57:21,151 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 14:57:21,164 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 14:57:21,166 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 14:57:21,166 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 14:57:21,167 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 14:57:21,170 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 14:57:21,170 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 14:57:21,170 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 14:57:21,170 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 14:57:21,171 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 14:57:21,171 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 14:57:21,172 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 14:57:21,172 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 14:57:21,172 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 14:57:21,172 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 14:57:21,172 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 14:57:21,172 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 14:57:21,173 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 14:57:21,173 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 14:57:21,173 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 14:57:21,173 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 14:57:21,173 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 14:57:21,173 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 14:57:21,173 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 14:57:21,174 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 14:57:21,174 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 14:57:21,174 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 14:57:21,174 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 14:57:21,175 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 14:57:21,175 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 14:57:21,184 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 14:57:21,184 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 14:57:21,184 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 14:57:21,184 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 14:57:21,185 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 14:57:21,185 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 14:57:21,372 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 14:57:21,389 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 14:57:21,392 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 14:57:21,393 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 14:57:21,393 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 14:57:21,394 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-13.i
[2023-12-23 14:57:22,343 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 14:57:22,546 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 14:57:22,546 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-13.i
[2023-12-23 14:57:22,554 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1582e2a7a/9fa76157c55c40a6a6d2a173e050cf2a/FLAGb019e550d
[2023-12-23 14:57:22,568 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1582e2a7a/9fa76157c55c40a6a6d2a173e050cf2a
[2023-12-23 14:57:22,570 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 14:57:22,571 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 14:57:22,571 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 14:57:22,571 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 14:57:22,575 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 14:57:22,576 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,576 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1151bcdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22, skipping insertion in model container
[2023-12-23 14:57:22,576 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,606 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 14:57:22,689 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-ps-cn_file-13.i[919,932]
[2023-12-23 14:57:22,741 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 14:57:22,758 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 14:57:22,766 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-ps-cn_file-13.i[919,932]
[2023-12-23 14:57:22,790 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 14:57:22,802 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 14:57:22,802 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22 WrapperNode
[2023-12-23 14:57:22,802 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 14:57:22,803 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 14:57:22,803 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 14:57:22,803 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 14:57:22,820 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,831 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,852 INFO  L138                Inliner]: procedures = 27, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 231
[2023-12-23 14:57:22,852 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 14:57:22,853 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 14:57:22,853 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 14:57:22,853 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 14:57:22,863 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,864 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,867 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,884 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 14:57:22,884 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,885 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,907 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,910 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,912 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,913 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,915 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 14:57:22,916 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 14:57:22,916 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 14:57:22,916 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 14:57:22,917 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (1/1) ...
[2023-12-23 14:57:22,928 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 14:57:22,937 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 14:57:22,947 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 14:57:22,952 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 14:57:22,965 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 14:57:22,965 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 14:57:22,966 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 14:57:22,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 14:57:22,967 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 14:57:22,967 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 14:57:23,040 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 14:57:23,042 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 14:57:26,361 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 14:57:26,389 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 14:57:26,389 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 14:57:26,389 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:57:26 BoogieIcfgContainer
[2023-12-23 14:57:26,389 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 14:57:26,391 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 14:57:26,391 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 14:57:26,393 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 14:57:26,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 02:57:22" (1/3) ...
[2023-12-23 14:57:26,394 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318a826f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:57:26, skipping insertion in model container
[2023-12-23 14:57:26,394 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:57:22" (2/3) ...
[2023-12-23 14:57:26,394 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318a826f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:57:26, skipping insertion in model container
[2023-12-23 14:57:26,394 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:57:26" (3/3) ...
[2023-12-23 14:57:26,395 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-13.i
[2023-12-23 14:57:26,406 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 14:57:26,406 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 14:57:26,450 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 14:57:26,454 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;@45750647, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 14:57:26,455 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 14:57:26,457 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 101 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 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 14:57:26,468 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 250
[2023-12-23 14:57:26,468 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 14:57:26,469 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]
[2023-12-23 14:57:26,469 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 14:57:26,473 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 14:57:26,473 INFO  L85        PathProgramCache]: Analyzing trace with hash -111089027, now seen corresponding path program 1 times
[2023-12-23 14:57:26,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 14:57:26,482 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361382650]
[2023-12-23 14:57:26,482 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 14:57:26,483 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 14:57:26,483 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 14:57:26,485 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 14:57:26,491 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 14:57:26,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 14:57:26,913 INFO  L262         TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 14:57:26,926 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 14:57:26,963 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 1424 proven. 0 refuted. 0 times theorem prover too weak. 1856 trivial. 0 not checked.
[2023-12-23 14:57:26,964 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 14:57:26,964 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 14:57:26,964 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361382650]
[2023-12-23 14:57:26,965 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [361382650] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 14:57:26,965 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 14:57:26,965 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 14:57:26,966 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218946056]
[2023-12-23 14:57:26,966 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 14:57:26,969 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 14:57:26,969 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 14:57:26,988 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 14:57:26,989 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 14:57:26,990 INFO  L87              Difference]: Start difference. First operand  has 101 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 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 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 14:57:29,342 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 14:57:29,343 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 14:57:29,343 INFO  L93              Difference]: Finished difference Result 199 states and 367 transitions.
[2023-12-23 14:57:29,373 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 14:57:29,374 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 249
[2023-12-23 14:57:29,374 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 14:57:29,380 INFO  L225             Difference]: With dead ends: 199
[2023-12-23 14:57:29,380 INFO  L226             Difference]: Without dead ends: 99
[2023-12-23 14:57:29,382 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 248 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 14:57:29,384 INFO  L413           NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2023-12-23 14:57:29,385 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2023-12-23 14:57:29,395 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2023-12-23 14:57:29,414 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2023-12-23 14:57:29,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 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 14:57:29,418 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 158 transitions.
[2023-12-23 14:57:29,419 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 158 transitions. Word has length 249
[2023-12-23 14:57:29,419 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 14:57:29,419 INFO  L495      AbstractCegarLoop]: Abstraction has 99 states and 158 transitions.
[2023-12-23 14:57:29,419 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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 14:57:29,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions.
[2023-12-23 14:57:29,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 250
[2023-12-23 14:57:29,423 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 14:57:29,424 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]
[2023-12-23 14:57:29,439 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 14:57:29,631 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 14:57:29,631 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 14:57:29,631 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 14:57:29,632 INFO  L85        PathProgramCache]: Analyzing trace with hash -1072251897, now seen corresponding path program 1 times
[2023-12-23 14:57:29,632 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 14:57:29,633 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858815376]
[2023-12-23 14:57:29,633 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 14:57:29,633 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 14:57:29,633 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 14:57:29,635 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 14:57:29,636 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 14:57:29,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 14:57:29,986 INFO  L262         TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-23 14:57:29,999 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 14:57:31,410 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 14:57:31,410 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 14:57:31,410 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 14:57:31,410 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858815376]
[2023-12-23 14:57:31,410 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858815376] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 14:57:31,410 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 14:57:31,411 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 14:57:31,411 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386192990]
[2023-12-23 14:57:31,411 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 14:57:31,412 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-23 14:57:31,412 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 14:57:31,412 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-23 14:57:31,413 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-23 14:57:31,413 INFO  L87              Difference]: Start difference. First operand 99 states and 158 transitions. Second operand  has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 14:57:33,659 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 14:57:35,278 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 14:57:35,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 14:57:35,279 INFO  L93              Difference]: Finished difference Result 296 states and 473 transitions.
[2023-12-23 14:57:35,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-23 14:57:35,308 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 249
[2023-12-23 14:57:35,310 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 14:57:35,312 INFO  L225             Difference]: With dead ends: 296
[2023-12-23 14:57:35,312 INFO  L226             Difference]: Without dead ends: 198
[2023-12-23 14:57:35,313 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-23 14:57:35,313 INFO  L413           NwaCegarLoop]: 152 mSDtfsCounter, 119 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time
[2023-12-23 14:57:35,314 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 522 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time]
[2023-12-23 14:57:35,314 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2023-12-23 14:57:35,360 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 180.
[2023-12-23 14:57:35,362 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 180 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 95 states have internal predecessors, (125), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82)
[2023-12-23 14:57:35,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 289 transitions.
[2023-12-23 14:57:35,366 INFO  L78                 Accepts]: Start accepts. Automaton has 180 states and 289 transitions. Word has length 249
[2023-12-23 14:57:35,368 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 14:57:35,368 INFO  L495      AbstractCegarLoop]: Abstraction has 180 states and 289 transitions.
[2023-12-23 14:57:35,370 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 14:57:35,370 INFO  L276                IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions.
[2023-12-23 14:57:35,376 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2023-12-23 14:57:35,376 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 14:57:35,376 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 14:57:35,392 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 14:57:35,592 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 14:57:35,592 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 14:57:35,592 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 14:57:35,593 INFO  L85        PathProgramCache]: Analyzing trace with hash -1065934883, now seen corresponding path program 1 times
[2023-12-23 14:57:35,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 14:57:35,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714355410]
[2023-12-23 14:57:35,593 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 14:57:35,593 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 14:57:35,594 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 14:57:35,594 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 14:57:35,605 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 14:57:35,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 14:57:35,949 INFO  L262         TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 14:57:35,966 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 14:57:35,991 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 14:57:35,991 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 14:57:35,992 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 14:57:35,992 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714355410]
[2023-12-23 14:57:35,992 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [714355410] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 14:57:35,992 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 14:57:35,992 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 14:57:35,992 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794088000]
[2023-12-23 14:57:35,992 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 14:57:35,993 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 14:57:35,993 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 14:57:35,993 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 14:57:35,993 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 14:57:35,994 INFO  L87              Difference]: Start difference. First operand 180 states and 289 transitions. Second operand  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 14:57:37,433 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 14:57:37,548 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 14:57:37,549 INFO  L93              Difference]: Finished difference Result 307 states and 486 transitions.
[2023-12-23 14:57:37,549 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 14:57:37,549 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 250
[2023-12-23 14:57:37,550 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 14:57:37,551 INFO  L225             Difference]: With dead ends: 307
[2023-12-23 14:57:37,551 INFO  L226             Difference]: Without dead ends: 209
[2023-12-23 14:57:37,552 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 248 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 14:57:37,553 INFO  L413           NwaCegarLoop]: 178 mSDtfsCounter, 33 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2023-12-23 14:57:37,553 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 325 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2023-12-23 14:57:37,554 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2023-12-23 14:57:37,581 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206.
[2023-12-23 14:57:37,582 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 206 states, 114 states have (on average 1.3157894736842106) internal successors, (150), 115 states have internal predecessors, (150), 88 states have call successors, (88), 3 states have call predecessors, (88), 3 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88)
[2023-12-23 14:57:37,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 326 transitions.
[2023-12-23 14:57:37,583 INFO  L78                 Accepts]: Start accepts. Automaton has 206 states and 326 transitions. Word has length 250
[2023-12-23 14:57:37,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 14:57:37,584 INFO  L495      AbstractCegarLoop]: Abstraction has 206 states and 326 transitions.
[2023-12-23 14:57:37,585 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 14:57:37,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 206 states and 326 transitions.
[2023-12-23 14:57:37,587 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2023-12-23 14:57:37,587 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 14:57:37,587 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 14:57:37,606 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-23 14:57:37,804 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 14:57:37,805 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 14:57:37,805 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 14:57:37,805 INFO  L85        PathProgramCache]: Analyzing trace with hash -807769445, now seen corresponding path program 1 times
[2023-12-23 14:57:37,806 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 14:57:37,806 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294129296]
[2023-12-23 14:57:37,806 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 14:57:37,806 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 14:57:37,806 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 14:57:37,807 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 14:57:37,808 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 14:57:38,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 14:57:38,147 INFO  L262         TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-12-23 14:57:38,151 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 14:57:39,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 82 proven. 234 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked.
[2023-12-23 14:57:39,154 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 14:57:39,293 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 14:57:39,293 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 14:57:39,293 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294129296]
[2023-12-23 14:57:39,293 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294129296] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-23 14:57:39,293 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-23 14:57:39,293 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12
[2023-12-23 14:57:39,294 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696581507]
[2023-12-23 14:57:39,294 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 14:57:39,294 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 14:57:39,294 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 14:57:39,295 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 14:57:39,295 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132
[2023-12-23 14:57:39,295 INFO  L87              Difference]: Start difference. First operand 206 states and 326 transitions. Second operand  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 14:57:42,162 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 14:57:45,003 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 14:57:45,141 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 14:57:45,141 INFO  L93              Difference]: Finished difference Result 379 states and 591 transitions.
[2023-12-23 14:57:45,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-23 14:57:45,142 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 250
[2023-12-23 14:57:45,142 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 14:57:45,145 INFO  L225             Difference]: With dead ends: 379
[2023-12-23 14:57:45,145 INFO  L226             Difference]: Without dead ends: 255
[2023-12-23 14:57:45,146 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2023-12-23 14:57:45,146 INFO  L413           NwaCegarLoop]: 148 mSDtfsCounter, 48 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time
[2023-12-23 14:57:45,146 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 440 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time]
[2023-12-23 14:57:45,147 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 255 states.
[2023-12-23 14:57:45,165 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 211.
[2023-12-23 14:57:45,166 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 211 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 120 states have internal predecessors, (156), 88 states have call successors, (88), 3 states have call predecessors, (88), 3 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88)
[2023-12-23 14:57:45,167 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 332 transitions.
[2023-12-23 14:57:45,167 INFO  L78                 Accepts]: Start accepts. Automaton has 211 states and 332 transitions. Word has length 250
[2023-12-23 14:57:45,167 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 14:57:45,167 INFO  L495      AbstractCegarLoop]: Abstraction has 211 states and 332 transitions.
[2023-12-23 14:57:45,167 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 14:57:45,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 211 states and 332 transitions.
[2023-12-23 14:57:45,169 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2023-12-23 14:57:45,169 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 14:57:45,169 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 14:57:45,186 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 14:57:45,380 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 14:57:45,380 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 14:57:45,381 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 14:57:45,381 INFO  L85        PathProgramCache]: Analyzing trace with hash -1200796455, now seen corresponding path program 1 times
[2023-12-23 14:57:45,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 14:57:45,381 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433957393]
[2023-12-23 14:57:45,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 14:57:45,382 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 14:57:45,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 14:57:45,383 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 14:57:45,384 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 14:57:45,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 14:57:45,732 INFO  L262         TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 33 conjunts are in the unsatisfiable core
[2023-12-23 14:57:45,738 INFO  L285         TraceCheckSpWp]: Computing forward predicates...