/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-54.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 06:21:27,466 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 06:21:27,541 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 06:21:27,545 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 06:21:27,546 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 06:21:27,568 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 06:21:27,569 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 06:21:27,569 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 06:21:27,570 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 06:21:27,570 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 06:21:27,571 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 06:21:27,571 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 06:21:27,572 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 06:21:27,572 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 06:21:27,572 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 06:21:27,572 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 06:21:27,573 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 06:21:27,573 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 06:21:27,573 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 06:21:27,573 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 06:21:27,573 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 06:21:27,574 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 06:21:27,574 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 06:21:27,574 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 06:21:27,575 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 06:21:27,575 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 06:21:27,575 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 06:21:27,575 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 06:21:27,575 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 06:21:27,576 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 06:21:27,576 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 06:21:27,577 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 06:21:27,577 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 06:21:27,577 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 06:21:27,577 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 06:21:27,577 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 06:21:27,577 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 06:21:27,577 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 06:21:27,578 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 06:21:27,578 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 06:21:27,578 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 06:21:27,578 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 06:21:27,578 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 06:21:27,578 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 06:21:27,579 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 06:21:27,579 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 06:21:27,579 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 06:21:27,783 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 06:21:27,804 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 06:21:27,806 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 06:21:27,806 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 06:21:27,807 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 06:21:27,808 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-54.i
[2023-12-23 06:21:28,962 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 06:21:29,176 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 06:21:29,176 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-54.i
[2023-12-23 06:21:29,207 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8373eb107/5cdcafa9cc0d4b97b0cd60e04a6f2059/FLAGceb694f67
[2023-12-23 06:21:29,217 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8373eb107/5cdcafa9cc0d4b97b0cd60e04a6f2059
[2023-12-23 06:21:29,219 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 06:21:29,220 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 06:21:29,222 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 06:21:29,222 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 06:21:29,225 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 06:21:29,226 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,227 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef52ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29, skipping insertion in model container
[2023-12-23 06:21:29,228 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,261 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 06:21:29,392 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-54.i[915,928]
[2023-12-23 06:21:29,480 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 06:21:29,501 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 06:21:29,513 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-54.i[915,928]
[2023-12-23 06:21:29,548 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 06:21:29,564 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 06:21:29,564 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29 WrapperNode
[2023-12-23 06:21:29,564 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 06:21:29,565 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 06:21:29,566 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 06:21:29,566 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 06:21:29,571 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,595 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,618 INFO  L138                Inliner]: procedures = 27, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239
[2023-12-23 06:21:29,619 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 06:21:29,619 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 06:21:29,619 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 06:21:29,619 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 06:21:29,627 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,628 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,631 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,641 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 06:21:29,641 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,641 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,649 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,652 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,654 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,656 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,659 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 06:21:29,659 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 06:21:29,659 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 06:21:29,660 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 06:21:29,660 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (1/1) ...
[2023-12-23 06:21:29,664 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 06:21:29,674 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 06:21:29,686 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 06:21:29,702 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 06:21:29,715 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 06:21:29,715 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 06:21:29,715 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 06:21:29,716 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 06:21:29,716 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 06:21:29,716 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 06:21:29,813 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 06:21:29,816 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 06:21:34,551 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 06:21:34,604 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 06:21:34,604 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 06:21:34,604 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:21:34 BoogieIcfgContainer
[2023-12-23 06:21:34,604 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 06:21:34,606 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 06:21:34,606 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 06:21:34,614 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 06:21:34,615 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:21:29" (1/3) ...
[2023-12-23 06:21:34,616 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287ede66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:21:34, skipping insertion in model container
[2023-12-23 06:21:34,616 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:21:29" (2/3) ...
[2023-12-23 06:21:34,616 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287ede66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:21:34, skipping insertion in model container
[2023-12-23 06:21:34,616 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:21:34" (3/3) ...
[2023-12-23 06:21:34,618 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-54.i
[2023-12-23 06:21:34,631 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 06:21:34,631 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 06:21:34,667 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 06:21:34,672 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;@2eb6f116, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 06:21:34,673 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 06:21:34,677 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 101 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 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 06:21:34,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 254
[2023-12-23 06:21:34,700 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 06:21:34,701 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, 1, 1, 1]
[2023-12-23 06:21:34,701 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 06:21:34,708 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 06:21:34,709 INFO  L85        PathProgramCache]: Analyzing trace with hash -1126135593, now seen corresponding path program 1 times
[2023-12-23 06:21:34,721 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 06:21:34,722 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829160861]
[2023-12-23 06:21:34,722 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 06:21:34,722 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 06:21:34,722 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 06:21:34,725 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 06:21:34,728 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 06:21:35,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 06:21:35,383 INFO  L262         TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 06:21:35,395 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 06:21:35,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 3280 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 2756 trivial. 0 not checked.
[2023-12-23 06:21:35,457 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 06:21:35,458 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 06:21:35,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829160861]
[2023-12-23 06:21:35,459 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [829160861] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 06:21:35,459 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 06:21:35,459 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 06:21:35,460 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757949030]
[2023-12-23 06:21:35,461 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 06:21:35,464 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 06:21:35,464 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 06:21:35,486 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 06:21:35,487 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 06:21:35,489 INFO  L87              Difference]: Start difference. First operand  has 101 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 06:21:38,150 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 06:21:38,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 06:21:38,152 INFO  L93              Difference]: Finished difference Result 199 states and 361 transitions.
[2023-12-23 06:21:38,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 06:21:38,193 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 253
[2023-12-23 06:21:38,194 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 06:21:38,199 INFO  L225             Difference]: With dead ends: 199
[2023-12-23 06:21:38,199 INFO  L226             Difference]: Without dead ends: 99
[2023-12-23 06:21:38,202 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 252 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 06:21:38,204 INFO  L413           NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2023-12-23 06:21:38,205 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2023-12-23 06:21:38,215 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2023-12-23 06:21:38,234 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2023-12-23 06:21:38,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 56 states have internal predecessors, (73), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41)
[2023-12-23 06:21:38,239 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 155 transitions.
[2023-12-23 06:21:38,240 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 155 transitions. Word has length 253
[2023-12-23 06:21:38,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 06:21:38,241 INFO  L495      AbstractCegarLoop]: Abstraction has 99 states and 155 transitions.
[2023-12-23 06:21:38,241 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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 06:21:38,241 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 155 transitions.
[2023-12-23 06:21:38,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 254
[2023-12-23 06:21:38,245 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 06:21:38,245 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, 1, 1, 1]
[2023-12-23 06:21:38,262 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-23 06:21:38,462 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 06:21:38,462 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 06:21:38,463 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 06:21:38,463 INFO  L85        PathProgramCache]: Analyzing trace with hash -2018011993, now seen corresponding path program 1 times
[2023-12-23 06:21:38,464 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 06:21:38,464 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351018064]
[2023-12-23 06:21:38,464 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 06:21:38,464 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 06:21:38,465 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 06:21:38,466 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 06:21:38,469 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 06:21:39,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 06:21:39,112 INFO  L262         TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 06:21:39,119 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 06:21:40,138 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 06:21:40,139 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 06:21:40,139 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 06:21:40,139 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351018064]
[2023-12-23 06:21:40,139 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [351018064] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 06:21:40,139 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 06:21:40,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 06:21:40,140 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642190293]
[2023-12-23 06:21:40,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 06:21:40,141 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 06:21:40,141 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 06:21:40,142 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 06:21:40,142 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 06:21:40,142 INFO  L87              Difference]: Start difference. First operand 99 states and 155 transitions. Second operand  has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 06:21:44,205 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 06:21:46,489 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 06:21:46,490 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 06:21:46,490 INFO  L93              Difference]: Finished difference Result 296 states and 464 transitions.
[2023-12-23 06:21:46,535 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 06:21:46,535 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 253
[2023-12-23 06:21:46,537 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 06:21:46,539 INFO  L225             Difference]: With dead ends: 296
[2023-12-23 06:21:46,539 INFO  L226             Difference]: Without dead ends: 198
[2023-12-23 06:21:46,540 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-23 06:21:46,541 INFO  L413           NwaCegarLoop]: 151 mSDtfsCounter, 92 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time
[2023-12-23 06:21:46,541 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 451 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time]
[2023-12-23 06:21:46,542 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2023-12-23 06:21:46,585 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 183.
[2023-12-23 06:21:46,586 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 183 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 98 states have internal predecessors, (124), 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 06:21:46,588 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 288 transitions.
[2023-12-23 06:21:46,588 INFO  L78                 Accepts]: Start accepts. Automaton has 183 states and 288 transitions. Word has length 253
[2023-12-23 06:21:46,589 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 06:21:46,589 INFO  L495      AbstractCegarLoop]: Abstraction has 183 states and 288 transitions.
[2023-12-23 06:21:46,589 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 06:21:46,589 INFO  L276                IsEmpty]: Start isEmpty. Operand 183 states and 288 transitions.
[2023-12-23 06:21:46,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 255
[2023-12-23 06:21:46,591 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 06:21:46,591 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, 1, 1, 1, 1]
[2023-12-23 06:21:46,618 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 06:21:46,819 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 06:21:46,820 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 06:21:46,821 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 06:21:46,821 INFO  L85        PathProgramCache]: Analyzing trace with hash 1235759671, now seen corresponding path program 1 times
[2023-12-23 06:21:46,822 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 06:21:46,823 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418871558]
[2023-12-23 06:21:46,823 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 06:21:46,825 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 06:21:46,825 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 06:21:46,846 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 06:21:46,848 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 06:21:47,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 06:21:47,780 INFO  L262         TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 21 conjunts are in the unsatisfiable core
[2023-12-23 06:21:47,789 INFO  L285         TraceCheckSpWp]: Computing forward predicates...