/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 01:14:33,544 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 01:14:33,624 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 01:14:33,630 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 01:14:33,630 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 01:14:33,657 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 01:14:33,657 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 01:14:33,658 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 01:14:33,658 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 01:14:33,661 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 01:14:33,662 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 01:14:33,662 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 01:14:33,663 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 01:14:33,664 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 01:14:33,664 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 01:14:33,664 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 01:14:33,665 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 01:14:33,665 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 01:14:33,665 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 01:14:33,665 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 01:14:33,665 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 01:14:33,665 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 01:14:33,666 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 01:14:33,666 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 01:14:33,666 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 01:14:33,666 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 01:14:33,666 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 01:14:33,666 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 01:14:33,666 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 01:14:33,667 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 01:14:33,667 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 01:14:33,668 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 01:14:33,668 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 01:14:33,669 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 01:14:33,669 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 01:14:33,669 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 01:14:33,669 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 01:14:33,669 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 01:14:33,669 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 01:14:33,670 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 01:14:33,835 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 01:14:33,860 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 01:14:33,862 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 01:14:33,862 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 01:14:33,863 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 01:14:33,865 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i
[2023-12-23 01:14:34,996 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 01:14:35,207 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 01:14:35,207 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i
[2023-12-23 01:14:35,217 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/007ef08c4/12320ce55fe448b0a5bbca41a1f9e00e/FLAG43d6041f2
[2023-12-23 01:14:35,230 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/007ef08c4/12320ce55fe448b0a5bbca41a1f9e00e
[2023-12-23 01:14:35,233 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 01:14:35,234 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 01:14:35,236 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 01:14:35,236 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 01:14:35,241 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 01:14:35,242 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,242 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8c46e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35, skipping insertion in model container
[2023-12-23 01:14:35,242 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,279 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 01:14:35,379 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i[915,928]
[2023-12-23 01:14:35,413 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 01:14:35,424 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 01:14:35,432 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-38.i[915,928]
[2023-12-23 01:14:35,459 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 01:14:35,471 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 01:14:35,471 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35 WrapperNode
[2023-12-23 01:14:35,472 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 01:14:35,472 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 01:14:35,472 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 01:14:35,472 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 01:14:35,477 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,493 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,524 INFO  L138                Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170
[2023-12-23 01:14:35,524 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 01:14:35,525 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 01:14:35,525 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 01:14:35,525 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 01:14:35,532 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,533 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,535 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,544 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 01:14:35,545 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,545 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,553 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,555 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,556 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,558 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,560 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 01:14:35,561 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 01:14:35,561 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 01:14:35,561 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 01:14:35,561 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (1/1) ...
[2023-12-23 01:14:35,568 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 01:14:35,584 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 01:14:35,618 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 01:14:35,645 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 01:14:35,645 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 01:14:35,645 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 01:14:35,645 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 01:14:35,645 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 01:14:35,631 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 01:14:35,649 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 01:14:35,780 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 01:14:35,782 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 01:14:41,335 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 01:14:41,371 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 01:14:41,372 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 01:14:41,372 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:14:41 BoogieIcfgContainer
[2023-12-23 01:14:41,372 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 01:14:41,373 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 01:14:41,373 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 01:14:41,376 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 01:14:41,376 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:14:35" (1/3) ...
[2023-12-23 01:14:41,376 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d173bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:14:41, skipping insertion in model container
[2023-12-23 01:14:41,376 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:14:35" (2/3) ...
[2023-12-23 01:14:41,376 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d173bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:14:41, skipping insertion in model container
[2023-12-23 01:14:41,376 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:14:41" (3/3) ...
[2023-12-23 01:14:41,377 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-38.i
[2023-12-23 01:14:41,390 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 01:14:41,391 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 01:14:41,422 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 01:14:41,426 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;@23e0cdcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 01:14:41,427 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 01:14:41,429 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 68 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2023-12-23 01:14:41,439 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 165
[2023-12-23 01:14:41,440 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 01:14:41,440 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:41,441 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 01:14:41,444 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 01:14:41,445 INFO  L85        PathProgramCache]: Analyzing trace with hash -165172690, now seen corresponding path program 1 times
[2023-12-23 01:14:41,453 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 01:14:41,454 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690378378]
[2023-12-23 01:14:41,454 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:14:41,454 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 01:14:41,454 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 01:14:41,456 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 01:14:41,461 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 01:14:41,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:14:41,953 INFO  L262         TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 01:14:41,962 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 01:14:42,006 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked.
[2023-12-23 01:14:42,006 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 01:14:42,007 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 01:14:42,007 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690378378]
[2023-12-23 01:14:42,007 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690378378] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 01:14:42,008 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 01:14:42,008 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 01:14:42,009 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664527474]
[2023-12-23 01:14:42,009 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 01:14:42,013 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 01:14:42,013 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 01:14:42,036 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 01:14:42,037 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 01:14:42,039 INFO  L87              Difference]: Start difference. First operand  has 68 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2023-12-23 01:14:46,196 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 01:14:46,197 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 01:14:46,197 INFO  L93              Difference]: Finished difference Result 133 states and 241 transitions.
[2023-12-23 01:14:46,239 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 01:14:46,240 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 164
[2023-12-23 01:14:46,241 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 01:14:46,245 INFO  L225             Difference]: With dead ends: 133
[2023-12-23 01:14:46,245 INFO  L226             Difference]: Without dead ends: 66
[2023-12-23 01:14:46,248 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 01:14:46,254 INFO  L413           NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time
[2023-12-23 01:14:46,268 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time]
[2023-12-23 01:14:46,279 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2023-12-23 01:14:46,313 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2023-12-23 01:14:46,315 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2023-12-23 01:14:46,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions.
[2023-12-23 01:14:46,322 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 164
[2023-12-23 01:14:46,322 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 01:14:46,322 INFO  L495      AbstractCegarLoop]: Abstraction has 66 states and 102 transitions.
[2023-12-23 01:14:46,323 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2023-12-23 01:14:46,323 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions.
[2023-12-23 01:14:46,331 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 165
[2023-12-23 01:14:46,331 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 01:14:46,331 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:46,349 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 01:14:46,546 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 01:14:46,546 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 01:14:46,547 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 01:14:46,547 INFO  L85        PathProgramCache]: Analyzing trace with hash -903697482, now seen corresponding path program 1 times
[2023-12-23 01:14:46,547 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 01:14:46,548 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406969223]
[2023-12-23 01:14:46,548 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:14:46,548 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 01:14:46,548 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 01:14:46,551 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 01:14:46,552 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 01:14:47,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:14:47,049 INFO  L262         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-23 01:14:47,057 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 01:14:48,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2023-12-23 01:14:48,094 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 01:14:48,095 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 01:14:48,095 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406969223]
[2023-12-23 01:14:48,095 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406969223] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 01:14:48,095 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 01:14:48,095 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 01:14:48,095 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332533547]
[2023-12-23 01:14:48,095 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 01:14:48,097 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-23 01:14:48,097 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 01:14:48,097 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-23 01:14:48,097 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-23 01:14:48,098 INFO  L87              Difference]: Start difference. First operand 66 states and 102 transitions. Second operand  has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2023-12-23 01:14:51,062 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 01:14:55,375 WARN  L539   Checker$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 01:14:58,543 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 01:14:58,599 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 01:14:58,599 INFO  L93              Difference]: Finished difference Result 306 states and 473 transitions.
[2023-12-23 01:14:58,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-23 01:14:58,600 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 164
[2023-12-23 01:14:58,601 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 01:14:58,604 INFO  L225             Difference]: With dead ends: 306
[2023-12-23 01:14:58,605 INFO  L226             Difference]: Without dead ends: 241
[2023-12-23 01:14:58,605 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 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 01:14:58,606 INFO  L413           NwaCegarLoop]: 262 mSDtfsCounter, 167 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time
[2023-12-23 01:14:58,607 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 554 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time]
[2023-12-23 01:14:58,607 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2023-12-23 01:14:58,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 129.
[2023-12-23 01:14:58,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 129 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2023-12-23 01:14:58,634 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 201 transitions.
[2023-12-23 01:14:58,634 INFO  L78                 Accepts]: Start accepts. Automaton has 129 states and 201 transitions. Word has length 164
[2023-12-23 01:14:58,634 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 01:14:58,634 INFO  L495      AbstractCegarLoop]: Abstraction has 129 states and 201 transitions.
[2023-12-23 01:14:58,635 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2023-12-23 01:14:58,635 INFO  L276                IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions.
[2023-12-23 01:14:58,636 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2023-12-23 01:14:58,636 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 01:14:58,636 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:14:58,651 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 01:14:58,846 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 01:14:58,846 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 01:14:58,848 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 01:14:58,848 INFO  L85        PathProgramCache]: Analyzing trace with hash -1337428624, now seen corresponding path program 1 times
[2023-12-23 01:14:58,849 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 01:14:58,851 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053273351]
[2023-12-23 01:14:58,851 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 01:14:58,851 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 01:14:58,851 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 01:14:58,854 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 01:14:58,855 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 01:14:59,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 01:14:59,289 INFO  L262         TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-12-23 01:14:59,295 INFO  L285         TraceCheckSpWp]: Computing forward predicates...