/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 20:45:39,094 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 20:45:39,176 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-05 20:45:39,181 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 20:45:39,182 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 20:45:39,206 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 20:45:39,207 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 20:45:39,207 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 20:45:39,208 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 20:45:39,208 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 20:45:39,208 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 20:45:39,209 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 20:45:39,210 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 20:45:39,213 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 20:45:39,213 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 20:45:39,213 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 20:45:39,214 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 20:45:39,214 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 20:45:39,214 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 20:45:39,214 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 20:45:39,214 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 20:45:39,215 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 20:45:39,215 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 20:45:39,216 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 20:45:39,216 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 20:45:39,216 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 20:45:39,216 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 20:45:39,217 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 20:45:39,217 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 20:45:39,217 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 20:45:39,217 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 20:45:39,217 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 20:45:39,218 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 20:45:39,218 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 20:45:39,218 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:45:39,218 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 20:45:39,219 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 20:45:39,219 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 20:45:39,219 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 20:45:39,219 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 20:45:39,219 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 20:45:39,220 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 20:45:39,220 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 20:45:39,220 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 20:45:39,220 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 20:45:39,427 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 20:45:39,450 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 20:45:39,453 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 20:45:39,454 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 20:45:39,455 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 20:45:39,457 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i
[2024-11-05 20:45:40,878 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 20:45:41,046 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 20:45:41,046 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i
[2024-11-05 20:45:41,052 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f4100cf/1d1d8165e3b54383b375e06110f542dd/FLAG029cd35f5
[2024-11-05 20:45:41,068 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7f4100cf/1d1d8165e3b54383b375e06110f542dd
[2024-11-05 20:45:41,070 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 20:45:41,072 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 20:45:41,073 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 20:45:41,073 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 20:45:41,080 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 20:45:41,081 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,082 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10841ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41, skipping insertion in model container
[2024-11-05 20:45:41,083 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,103 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 20:45:41,254 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i[803,816]
[2024-11-05 20:45:41,268 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:45:41,282 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 20:45:41,292 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i[803,816]
[2024-11-05 20:45:41,295 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:45:41,309 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 20:45:41,310 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41 WrapperNode
[2024-11-05 20:45:41,310 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 20:45:41,311 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 20:45:41,311 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 20:45:41,312 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 20:45:41,318 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,325 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,341 INFO  L138                Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26
[2024-11-05 20:45:41,342 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 20:45:41,342 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 20:45:41,343 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 20:45:41,343 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 20:45:41,351 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,351 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,354 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,365 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].
[2024-11-05 20:45:41,366 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,366 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,372 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,375 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,376 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,377 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,379 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 20:45:41,380 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 20:45:41,380 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 20:45:41,380 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 20:45:41,381 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (1/1) ...
[2024-11-05 20:45:41,386 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:45:41,397 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 20:45:41,417 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)
[2024-11-05 20:45:41,422 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
[2024-11-05 20:45:41,449 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 20:45:41,449 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 20:45:41,450 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 20:45:41,450 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 20:45:41,527 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 20:45:41,530 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 20:45:41,903 INFO  L?                        ?]: Removed 7 outVars from TransFormulas that were not future-live.
[2024-11-05 20:45:41,903 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 20:45:41,919 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 20:45:41,919 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 20:45:41,920 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:45:41 BoogieIcfgContainer
[2024-11-05 20:45:41,920 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 20:45:41,923 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 20:45:41,923 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 20:45:41,929 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 20:45:41,929 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:45:41" (1/3) ...
[2024-11-05 20:45:41,930 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c84be2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:45:41, skipping insertion in model container
[2024-11-05 20:45:41,930 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:45:41" (2/3) ...
[2024-11-05 20:45:41,931 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c84be2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:45:41, skipping insertion in model container
[2024-11-05 20:45:41,931 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:45:41" (3/3) ...
[2024-11-05 20:45:41,933 INFO  L112   eAbstractionObserver]: Analyzing ICFG Float_div.i
[2024-11-05 20:45:41,950 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 20:45:41,950 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 20:45:41,999 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 20:45:42,004 INFO  L333      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, 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;@2d6dda00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 20:45:42,005 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 20:45:42,008 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-05 20:45:42,015 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-05 20:45:42,015 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:45:42,015 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-05 20:45:42,016 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:45:42,019 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:45:42,020 INFO  L85        PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times
[2024-11-05 20:45:42,026 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:45:42,026 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640725047]
[2024-11-05 20:45:42,027 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:45:42,028 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
[2024-11-05 20:45:42,028 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:45:42,030 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)
[2024-11-05 20:45:42,031 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
[2024-11-05 20:45:42,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:45:42,105 INFO  L255         TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 20:45:42,109 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:45:42,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-05 20:45:42,483 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:45:42,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-05 20:45:42,509 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:45:42,509 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640725047]
[2024-11-05 20:45:42,509 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1640725047] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 20:45:42,509 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 20:45:42,510 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5
[2024-11-05 20:45:42,511 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101659262]
[2024-11-05 20:45:42,512 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 20:45:42,514 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-05 20:45:42,515 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:45:42,531 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-05 20:45:42,532 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-05 20:45:42,533 INFO  L87              Difference]: Start difference. First operand  has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-05 20:45:45,432 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:45:45,898 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:45:45,899 INFO  L93              Difference]: Finished difference Result 21 states and 27 transitions.
[2024-11-05 20:45:45,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-05 20:45:45,901 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-11-05 20:45:45,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:45:45,906 INFO  L225             Difference]: With dead ends: 21
[2024-11-05 20:45:45,906 INFO  L226             Difference]: Without dead ends: 9
[2024-11-05 20:45:45,908 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-05 20:45:45,910 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-11-05 20:45:45,911 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 20 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-11-05 20:45:45,927 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2024-11-05 20:45:45,935 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2024-11-05 20:45:45,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-05 20:45:45,937 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-11-05 20:45:45,938 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6
[2024-11-05 20:45:45,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:45:45,939 INFO  L471      AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-11-05 20:45:45,939 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-05 20:45:45,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-11-05 20:45:45,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-05 20:45:45,940 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:45:45,940 INFO  L215           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-05 20:45:45,946 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
[2024-11-05 20:45:46,144 WARN  L453      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
[2024-11-05 20:45:46,145 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:45:46,145 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:45:46,145 INFO  L85        PathProgramCache]: Analyzing trace with hash 292915403, now seen corresponding path program 1 times
[2024-11-05 20:45:46,146 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:45:46,146 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922296006]
[2024-11-05 20:45:46,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:45:46,146 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
[2024-11-05 20:45:46,147 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:45:46,149 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)
[2024-11-05 20:45:46,150 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
[2024-11-05 20:45:46,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:45:46,290 INFO  L255         TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-05 20:45:46,291 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:45:47,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-05 20:45:47,532 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:46:18,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-05 20:46:18,781 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:46:18,781 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922296006]
[2024-11-05 20:46:18,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1922296006] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 20:46:18,782 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 20:46:18,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9
[2024-11-05 20:46:18,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527239745]
[2024-11-05 20:46:18,782 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 20:46:18,783 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-05 20:46:18,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:46:18,784 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-05 20:46:18,785 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=45, Unknown=2, NotChecked=0, Total=72
[2024-11-05 20:46:18,785 INFO  L87              Difference]: Start difference. First operand 9 states and 9 transitions. Second operand  has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-05 20:46:21,577 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-05 20:46:24,628 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-05 20:46:29,135 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:46:47,623 WARN  L286               SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-05 20:46:51,668 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:08,923 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:12,957 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:15,114 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:19,140 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:23,220 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:24,677 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:28,698 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:47:28,699 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:47:28,699 INFO  L93              Difference]: Finished difference Result 17 states and 20 transitions.
[2024-11-05 20:47:28,716 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-05 20:47:28,716 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-05 20:47:28,717 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:47:28,717 INFO  L225             Difference]: With dead ends: 17
[2024-11-05 20:47:28,717 INFO  L226             Difference]: Without dead ends: 13
[2024-11-05 20:47:28,718 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 62.4s TimeCoverageRelationStatistics Valid=73, Invalid=133, Unknown=4, NotChecked=0, Total=210
[2024-11-05 20:47:28,720 INFO  L432           NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time
[2024-11-05 20:47:28,720 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 6 Unknown, 0 Unchecked, 37.3s Time]
[2024-11-05 20:47:28,721 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2024-11-05 20:47:28,723 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2024-11-05 20:47:28,723 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-05 20:47:28,724 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions.
[2024-11-05 20:47:28,724 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 8
[2024-11-05 20:47:28,724 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:47:28,724 INFO  L471      AbstractCegarLoop]: Abstraction has 13 states and 13 transitions.
[2024-11-05 20:47:28,724 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-05 20:47:28,724 INFO  L276                IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions.
[2024-11-05 20:47:28,725 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-05 20:47:28,725 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:47:28,725 INFO  L215           NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1]
[2024-11-05 20:47:28,731 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
[2024-11-05 20:47:28,925 WARN  L453      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
[2024-11-05 20:47:28,926 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:47:28,927 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:47:28,927 INFO  L85        PathProgramCache]: Analyzing trace with hash -967103989, now seen corresponding path program 2 times
[2024-11-05 20:47:28,927 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:47:28,927 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205510716]
[2024-11-05 20:47:28,927 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:47:28,927 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
[2024-11-05 20:47:28,928 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:47:28,931 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)
[2024-11-05 20:47:28,932 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
[2024-11-05 20:47:29,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:47:29,191 INFO  L255         TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-05 20:47:29,192 INFO  L278         TraceCheckSpWp]: Computing forward predicates...