/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-100_file-89.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 00:48:02,988 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 00:48:03,057 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 00:48:03,061 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 00:48:03,061 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 00:48:03,082 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 00:48:03,083 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 00:48:03,083 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 00:48:03,083 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 00:48:03,086 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 00:48:03,086 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 00:48:03,086 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 00:48:03,087 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 00:48:03,088 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 00:48:03,088 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 00:48:03,088 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 00:48:03,088 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 00:48:03,089 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 00:48:03,089 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 00:48:03,089 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 00:48:03,089 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 00:48:03,089 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 00:48:03,089 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 00:48:03,090 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 00:48:03,090 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 00:48:03,090 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 00:48:03,090 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 00:48:03,090 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 00:48:03,090 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 00:48:03,090 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 00:48:03,091 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 00:48:03,091 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 00:48:03,091 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 00:48:03,091 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 00:48:03,091 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:48:03,092 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 00:48:03,092 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 00:48:03,093 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 00:48:03,093 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 00:48:03,093 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 00:48:03,271 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 00:48:03,293 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 00:48:03,294 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 00:48:03,296 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 00:48:03,296 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 00:48:03,297 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-89.i
[2023-12-23 00:48:04,263 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 00:48:04,427 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 00:48:04,427 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-89.i
[2023-12-23 00:48:04,440 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430f29c15/63bec1717d06490691956fcffe91b25d/FLAG86a6a1411
[2023-12-23 00:48:04,449 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/430f29c15/63bec1717d06490691956fcffe91b25d
[2023-12-23 00:48:04,453 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 00:48:04,453 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 00:48:04,454 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 00:48:04,454 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 00:48:04,458 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 00:48:04,459 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,460 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3938376b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04, skipping insertion in model container
[2023-12-23 00:48:04,460 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,483 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 00:48:04,601 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-100_file-89.i[916,929]
[2023-12-23 00:48:04,660 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:48:04,675 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 00:48:04,683 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-100_file-89.i[916,929]
[2023-12-23 00:48:04,718 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:48:04,731 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 00:48:04,731 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04 WrapperNode
[2023-12-23 00:48:04,731 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 00:48:04,732 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 00:48:04,732 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 00:48:04,732 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 00:48:04,737 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,746 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,777 INFO  L138                Inliner]: procedures = 27, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 268
[2023-12-23 00:48:04,777 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 00:48:04,778 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 00:48:04,778 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 00:48:04,778 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 00:48:04,798 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,798 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,802 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,813 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 00:48:04,813 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,813 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,828 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,831 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,834 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,835 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,838 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 00:48:04,839 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 00:48:04,839 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 00:48:04,839 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 00:48:04,840 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (1/1) ...
[2023-12-23 00:48:04,857 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:48:04,868 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 00:48:04,884 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 00:48:04,903 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 00:48:04,921 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 00:48:04,922 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 00:48:04,922 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 00:48:04,923 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 00:48:04,923 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 00:48:04,923 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 00:48:05,003 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 00:48:05,005 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 00:48:05,621 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 00:48:05,691 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 00:48:05,691 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 00:48:05,691 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:48:05 BoogieIcfgContainer
[2023-12-23 00:48:05,691 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 00:48:05,693 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 00:48:05,693 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 00:48:05,696 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 00:48:05,696 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:48:04" (1/3) ...
[2023-12-23 00:48:05,697 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6cd183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:48:05, skipping insertion in model container
[2023-12-23 00:48:05,698 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:48:04" (2/3) ...
[2023-12-23 00:48:05,698 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6cd183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:48:05, skipping insertion in model container
[2023-12-23 00:48:05,698 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:48:05" (3/3) ...
[2023-12-23 00:48:05,699 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-89.i
[2023-12-23 00:48:05,711 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 00:48:05,711 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 00:48:05,772 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 00:48:05,778 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;@1713a0e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 00:48:05,779 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 00:48:05,783 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 115 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 69 states have internal predecessors, (105), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2023-12-23 00:48:05,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2023-12-23 00:48:05,808 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:48:05,809 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:05,810 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:48:05,813 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:48:05,813 INFO  L85        PathProgramCache]: Analyzing trace with hash -754628416, now seen corresponding path program 1 times
[2023-12-23 00:48:05,827 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:48:05,828 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183547212]
[2023-12-23 00:48:05,828 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:48:05,829 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 00:48:05,829 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:48:05,831 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 00:48:05,838 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 00:48:06,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:48:06,195 INFO  L262         TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 00:48:06,218 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:48:06,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 1574 proven. 0 refuted. 0 times theorem prover too weak. 2210 trivial. 0 not checked.
[2023-12-23 00:48:06,263 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:48:06,264 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:48:06,264 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183547212]
[2023-12-23 00:48:06,264 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183547212] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:48:06,264 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:48:06,265 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:48:06,266 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478038275]
[2023-12-23 00:48:06,266 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:48:06,269 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 00:48:06,270 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:48:06,296 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 00:48:06,296 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:48:06,299 INFO  L87              Difference]: Start difference. First operand  has 115 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 69 states have internal predecessors, (105), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) 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, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44)
[2023-12-23 00:48:06,462 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:48:06,462 INFO  L93              Difference]: Finished difference Result 227 states and 428 transitions.
[2023-12-23 00:48:06,475 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 00:48:06,476 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, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 268
[2023-12-23 00:48:06,476 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:48:06,482 INFO  L225             Difference]: With dead ends: 227
[2023-12-23 00:48:06,482 INFO  L226             Difference]: Without dead ends: 113
[2023-12-23 00:48:06,485 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:48:06,487 INFO  L413           NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 00:48:06,488 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 00:48:06,499 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2023-12-23 00:48:06,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2023-12-23 00:48:06,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 67 states have (on average 1.492537313432836) internal successors, (100), 67 states have internal predecessors, (100), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44)
[2023-12-23 00:48:06,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 188 transitions.
[2023-12-23 00:48:06,522 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 188 transitions. Word has length 268
[2023-12-23 00:48:06,522 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:48:06,522 INFO  L495      AbstractCegarLoop]: Abstraction has 113 states and 188 transitions.
[2023-12-23 00:48:06,523 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, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44)
[2023-12-23 00:48:06,523 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 188 transitions.
[2023-12-23 00:48:06,526 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 269
[2023-12-23 00:48:06,526 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:48:06,526 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:06,536 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 00:48:06,735 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 00:48:06,736 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:48:06,736 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:48:06,736 INFO  L85        PathProgramCache]: Analyzing trace with hash 2112072836, now seen corresponding path program 1 times
[2023-12-23 00:48:06,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:48:06,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574682132]
[2023-12-23 00:48:06,737 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:48:06,737 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 00:48:06,738 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:48:06,738 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 00:48:06,768 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 00:48:07,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:48:07,017 INFO  L262         TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 00:48:07,024 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:48:07,519 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2023-12-23 00:48:07,519 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:48:07,519 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:48:07,521 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574682132]
[2023-12-23 00:48:07,522 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [574682132] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:48:07,522 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:48:07,522 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:48:07,522 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877654499]
[2023-12-23 00:48:07,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:48:07,525 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 00:48:07,525 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:48:07,526 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 00:48:07,526 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:48:07,526 INFO  L87              Difference]: Start difference. First operand 113 states and 188 transitions. Second operand  has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-23 00:48:07,779 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:48:07,779 INFO  L93              Difference]: Finished difference Result 335 states and 558 transitions.
[2023-12-23 00:48:07,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 00:48:07,783 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 268
[2023-12-23 00:48:07,787 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:48:07,790 INFO  L225             Difference]: With dead ends: 335
[2023-12-23 00:48:07,790 INFO  L226             Difference]: Without dead ends: 223
[2023-12-23 00:48:07,791 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:48:07,791 INFO  L413           NwaCegarLoop]: 179 mSDtfsCounter, 59 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 00:48:07,792 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 352 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 00:48:07,792 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 223 states.
[2023-12-23 00:48:07,824 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220.
[2023-12-23 00:48:07,825 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 220 states, 129 states have (on average 1.4573643410852712) internal successors, (188), 129 states have internal predecessors, (188), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88)
[2023-12-23 00:48:07,828 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 364 transitions.
[2023-12-23 00:48:07,829 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 364 transitions. Word has length 268
[2023-12-23 00:48:07,830 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:48:07,830 INFO  L495      AbstractCegarLoop]: Abstraction has 220 states and 364 transitions.
[2023-12-23 00:48:07,831 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-23 00:48:07,831 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 364 transitions.
[2023-12-23 00:48:07,834 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2023-12-23 00:48:07,834 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:48:07,835 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:07,862 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 00:48:08,048 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 00:48:08,049 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:48:08,049 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:48:08,049 INFO  L85        PathProgramCache]: Analyzing trace with hash 784410519, now seen corresponding path program 1 times
[2023-12-23 00:48:08,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:48:08,050 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403215125]
[2023-12-23 00:48:08,050 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:48:08,050 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 00:48:08,050 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:48:08,051 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 00:48:08,053 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 00:48:08,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:48:08,316 INFO  L262         TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 00:48:08,321 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:48:08,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2023-12-23 00:48:08,678 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:48:08,679 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:48:08,679 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403215125]
[2023-12-23 00:48:08,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403215125] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:48:08,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:48:08,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:48:08,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987802793]
[2023-12-23 00:48:08,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:48:08,680 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 00:48:08,680 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:48:08,680 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 00:48:08,680 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:48:08,681 INFO  L87              Difference]: Start difference. First operand 220 states and 364 transitions. Second operand  has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-23 00:48:08,899 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:48:08,899 INFO  L93              Difference]: Finished difference Result 551 states and 914 transitions.
[2023-12-23 00:48:08,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 00:48:08,900 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 269
[2023-12-23 00:48:08,900 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:48:08,902 INFO  L225             Difference]: With dead ends: 551
[2023-12-23 00:48:08,902 INFO  L226             Difference]: Without dead ends: 332
[2023-12-23 00:48:08,903 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 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 00:48:08,904 INFO  L413           NwaCegarLoop]: 183 mSDtfsCounter, 60 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 00:48:08,904 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 362 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 00:48:08,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 332 states.
[2023-12-23 00:48:08,941 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 329.
[2023-12-23 00:48:08,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 329 states, 193 states have (on average 1.450777202072539) internal successors, (280), 193 states have internal predecessors, (280), 132 states have call successors, (132), 3 states have call predecessors, (132), 3 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132)
[2023-12-23 00:48:08,946 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 544 transitions.
[2023-12-23 00:48:08,946 INFO  L78                 Accepts]: Start accepts. Automaton has 329 states and 544 transitions. Word has length 269
[2023-12-23 00:48:08,947 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:48:08,947 INFO  L495      AbstractCegarLoop]: Abstraction has 329 states and 544 transitions.
[2023-12-23 00:48:08,947 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-23 00:48:08,947 INFO  L276                IsEmpty]: Start isEmpty. Operand 329 states and 544 transitions.
[2023-12-23 00:48:08,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2023-12-23 00:48:08,949 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:48:08,949 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:08,958 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2023-12-23 00:48:09,150 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 00:48:09,151 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:48:09,151 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:48:09,151 INFO  L85        PathProgramCache]: Analyzing trace with hash 1805478873, now seen corresponding path program 1 times
[2023-12-23 00:48:09,152 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:48:09,152 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588590988]
[2023-12-23 00:48:09,152 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:48:09,152 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 00:48:09,152 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:48:09,153 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 00:48:09,158 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 00:48:09,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:48:09,415 INFO  L262         TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 00:48:09,419 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:48:09,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked.
[2023-12-23 00:48:09,684 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:48:09,684 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:48:09,684 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588590988]
[2023-12-23 00:48:09,684 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [588590988] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:48:09,685 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:48:09,685 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:48:09,685 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927200989]
[2023-12-23 00:48:09,685 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:48:09,686 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 00:48:09,687 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:48:09,688 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 00:48:09,688 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:48:09,688 INFO  L87              Difference]: Start difference. First operand 329 states and 544 transitions. Second operand  has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-23 00:48:09,881 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:48:09,881 INFO  L93              Difference]: Finished difference Result 979 states and 1618 transitions.
[2023-12-23 00:48:09,881 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 00:48:09,882 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 269
[2023-12-23 00:48:09,882 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:48:09,885 INFO  L225             Difference]: With dead ends: 979
[2023-12-23 00:48:09,885 INFO  L226             Difference]: Without dead ends: 651
[2023-12-23 00:48:09,886 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 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 00:48:09,887 INFO  L413           NwaCegarLoop]: 181 mSDtfsCounter, 45 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 00:48:09,887 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 357 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 00:48:09,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 651 states.
[2023-12-23 00:48:09,936 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 643.
[2023-12-23 00:48:09,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 643 states, 372 states have (on average 1.4112903225806452) internal successors, (525), 372 states have internal predecessors, (525), 264 states have call successors, (264), 6 states have call predecessors, (264), 6 states have return successors, (264), 264 states have call predecessors, (264), 264 states have call successors, (264)
[2023-12-23 00:48:09,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1053 transitions.
[2023-12-23 00:48:09,941 INFO  L78                 Accepts]: Start accepts. Automaton has 643 states and 1053 transitions. Word has length 269
[2023-12-23 00:48:09,941 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:48:09,941 INFO  L495      AbstractCegarLoop]: Abstraction has 643 states and 1053 transitions.
[2023-12-23 00:48:09,942 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)
[2023-12-23 00:48:09,942 INFO  L276                IsEmpty]: Start isEmpty. Operand 643 states and 1053 transitions.
[2023-12-23 00:48:09,944 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 270
[2023-12-23 00:48:09,944 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:48:09,944 INFO  L195           NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:48:09,953 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 00:48:10,153 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 00:48:10,154 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:48:10,154 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:48:10,154 INFO  L85        PathProgramCache]: Analyzing trace with hash 1813164951, now seen corresponding path program 1 times
[2023-12-23 00:48:10,155 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:48:10,155 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327713985]
[2023-12-23 00:48:10,155 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:48:10,155 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 00:48:10,156 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:48:10,156 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 00:48:10,161 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 00:48:10,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:48:10,432 INFO  L262         TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 23 conjunts are in the unsatisfiable core
[2023-12-23 00:48:10,439 INFO  L285         TraceCheckSpWp]: Computing forward predicates...