/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/hardness-nfm22/hardness_operatoramount_amount100_file-38.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 19:24:17,469 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 19:24:17,519 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 19:24:17,524 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 19:24:17,524 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 19:24:17,546 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 19:24:17,547 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 19:24:17,548 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 19:24:17,549 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 19:24:17,550 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 19:24:17,550 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 19:24:17,550 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 19:24:17,550 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 19:24:17,551 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 19:24:17,551 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 19:24:17,551 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 19:24:17,551 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 19:24:17,551 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 19:24:17,552 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 19:24:17,552 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 19:24:17,552 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 19:24:17,556 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 19:24:17,556 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 19:24:17,556 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 19:24:17,556 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 19:24:17,556 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 19:24:17,556 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 19:24:17,556 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 19:24:17,557 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 19:24:17,557 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 19:24:17,557 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 19:24:17,557 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 19:24:17,557 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 19:24:17,557 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 19:24:17,557 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:24:17,558 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 19:24:17,558 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 19:24:17,558 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 19:24:17,558 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 19:24:17,558 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 19:24:17,558 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 19:24:17,559 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 19:24:17,559 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 19:24:17,559 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 19:24:17,559 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 19:24:17,741 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 19:24:17,758 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 19:24:17,760 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 19:24:17,761 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 19:24:17,761 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 19:24:17,762 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-38.i
[2024-11-05 19:24:19,063 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 19:24:19,199 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 19:24:19,200 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-38.i
[2024-11-05 19:24:19,209 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a106843a/9984b8dc3be74631b9a965dd10fa9b9d/FLAGf291ed730
[2024-11-05 19:24:19,605 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a106843a/9984b8dc3be74631b9a965dd10fa9b9d
[2024-11-05 19:24:19,606 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 19:24:19,607 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 19:24:19,608 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 19:24:19,608 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 19:24:19,612 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 19:24:19,613 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,613 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784c92e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19, skipping insertion in model container
[2024-11-05 19:24:19,613 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,643 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 19:24:19,772 WARN  L250   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_operatoramount_amount100_file-38.i[916,929]
[2024-11-05 19:24:19,828 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:24:19,840 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 19:24:19,849 WARN  L250   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_operatoramount_amount100_file-38.i[916,929]
[2024-11-05 19:24:19,882 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:24:19,898 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 19:24:19,900 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19 WrapperNode
[2024-11-05 19:24:19,900 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 19:24:19,901 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 19:24:19,901 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 19:24:19,901 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 19:24:19,906 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,921 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,944 INFO  L138                Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166
[2024-11-05 19:24:19,944 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 19:24:19,945 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 19:24:19,945 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 19:24:19,945 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 19:24:19,952 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,952 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,955 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,965 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 19:24:19,965 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,966 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,972 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,975 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,976 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,978 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,980 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 19:24:19,981 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 19:24:19,981 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 19:24:19,981 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 19:24:19,982 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (1/1) ...
[2024-11-05 19:24:19,985 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:24:19,993 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 19:24:20,012 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 19:24:20,014 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 19:24:20,033 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 19:24:20,033 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 19:24:20,033 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 19:24:20,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 19:24:20,033 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 19:24:20,033 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 19:24:20,099 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 19:24:20,100 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 19:24:33,926 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-05 19:24:33,927 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 19:24:33,938 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 19:24:33,938 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 19:24:33,938 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:24:33 BoogieIcfgContainer
[2024-11-05 19:24:33,938 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 19:24:33,941 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 19:24:33,941 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 19:24:33,943 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 19:24:33,944 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:24:19" (1/3) ...
[2024-11-05 19:24:33,944 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129e0909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:24:33, skipping insertion in model container
[2024-11-05 19:24:33,945 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:24:19" (2/3) ...
[2024-11-05 19:24:33,945 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129e0909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:24:33, skipping insertion in model container
[2024-11-05 19:24:33,945 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:24:33" (3/3) ...
[2024-11-05 19:24:33,946 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-38.i
[2024-11-05 19:24:33,957 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 19:24:33,957 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 19:24:34,007 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 19:24:34,012 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;@33fe182d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 19:24:34,013 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 19:24:34,016 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 68 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-05 19:24:34,026 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-05 19:24:34,026 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:24:34,027 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:24:34,027 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:24:34,031 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:24:34,031 INFO  L85        PathProgramCache]: Analyzing trace with hash 666664046, now seen corresponding path program 1 times
[2024-11-05 19:24:34,037 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:24:34,037 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523144581]
[2024-11-05 19:24:34,038 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:24:34,040 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 19:24:34,040 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:24:34,043 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 19:24:34,045 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 19:24:34,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:24:34,840 INFO  L255         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 19:24:34,848 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:24:34,883 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked.
[2024-11-05 19:24:34,883 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:24:36,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked.
[2024-11-05 19:24:36,027 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:24:36,028 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523144581]
[2024-11-05 19:24:36,028 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [523144581] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 19:24:36,028 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 19:24:36,028 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 19:24:36,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742128325]
[2024-11-05 19:24:36,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 19:24:36,033 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 19:24:36,033 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:24:36,046 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 19:24:36,046 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:24:36,048 INFO  L87              Difference]: Start difference. First operand  has 68 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-05 19:24:36,064 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:24:36,064 INFO  L93              Difference]: Finished difference Result 129 states and 224 transitions.
[2024-11-05 19:24:36,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 19:24:36,066 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113
[2024-11-05 19:24:36,067 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:24:36,071 INFO  L225             Difference]: With dead ends: 129
[2024-11-05 19:24:36,071 INFO  L226             Difference]: Without dead ends: 64
[2024-11-05 19:24:36,073 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:24:36,075 INFO  L432           NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-05 19:24:36,076 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 19:24:36,086 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-05 19:24:36,098 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-11-05 19:24:36,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-05 19:24:36,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 100 transitions.
[2024-11-05 19:24:36,105 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 100 transitions. Word has length 113
[2024-11-05 19:24:36,105 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:24:36,105 INFO  L471      AbstractCegarLoop]: Abstraction has 64 states and 100 transitions.
[2024-11-05 19:24:36,105 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-05 19:24:36,105 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions.
[2024-11-05 19:24:36,107 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-05 19:24:36,107 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:24:36,107 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:24:36,132 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-05 19:24:36,312 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 19:24:36,313 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:24:36,314 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:24:36,314 INFO  L85        PathProgramCache]: Analyzing trace with hash 90699178, now seen corresponding path program 1 times
[2024-11-05 19:24:36,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:24:36,314 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225195466]
[2024-11-05 19:24:36,314 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:24:36,314 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 19:24:36,315 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:24:36,317 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 19:24:36,318 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 19:24:37,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:24:37,071 INFO  L255         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 19:24:37,074 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:24:38,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked.
[2024-11-05 19:24:38,855 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:24:41,464 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-05 19:24:41,465 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:24:41,465 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225195466]
[2024-11-05 19:24:41,465 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1225195466] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:24:41,465 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:24:41,465 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-05 19:24:41,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750499045]
[2024-11-05 19:24:41,465 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:24:41,470 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-05 19:24:41,470 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:24:41,471 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-05 19:24:41,471 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-05 19:24:41,471 INFO  L87              Difference]: Start difference. First operand 64 states and 100 transitions. Second operand  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 19:24:48,471 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:24:52,504 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:24:56,519 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:24:56,523 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:24:56,523 INFO  L93              Difference]: Finished difference Result 133 states and 204 transitions.
[2024-11-05 19:24:56,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-05 19:24:56,680 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 113
[2024-11-05 19:24:56,680 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:24:56,681 INFO  L225             Difference]: With dead ends: 133
[2024-11-05 19:24:56,681 INFO  L226             Difference]: Without dead ends: 72
[2024-11-05 19:24:56,682 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-05 19:24:56,683 INFO  L432           NwaCegarLoop]: 77 mSDtfsCounter, 181 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 39 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time
[2024-11-05 19:24:56,683 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 195 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time]
[2024-11-05 19:24:56,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-11-05 19:24:56,690 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68.
[2024-11-05 19:24:56,690 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 68 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-05 19:24:56,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 102 transitions.
[2024-11-05 19:24:56,691 INFO  L78                 Accepts]: Start accepts. Automaton has 68 states and 102 transitions. Word has length 113
[2024-11-05 19:24:56,692 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:24:56,692 INFO  L471      AbstractCegarLoop]: Abstraction has 68 states and 102 transitions.
[2024-11-05 19:24:56,692 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2024-11-05 19:24:56,692 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions.
[2024-11-05 19:24:56,693 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-05 19:24:56,694 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:24:56,694 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:24:56,716 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 19:24:56,895 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 19:24:56,895 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:24:56,896 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:24:56,896 INFO  L85        PathProgramCache]: Analyzing trace with hash -1903445528, now seen corresponding path program 1 times
[2024-11-05 19:24:56,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:24:56,896 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878188945]
[2024-11-05 19:24:56,896 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:24:56,896 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 19:24:56,896 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:24:56,898 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 19:24:56,898 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 19:24:57,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:24:57,640 INFO  L255         TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 19:24:57,643 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:25:00,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 243 proven. 27 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked.
[2024-11-05 19:25:00,000 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:25:02,697 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-05 19:25:02,697 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:25:02,697 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878188945]
[2024-11-05 19:25:02,697 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1878188945] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:25:02,698 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:25:02,698 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-05 19:25:02,698 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350100615]
[2024-11-05 19:25:02,698 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:25:02,698 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-05 19:25:02,699 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:25:02,699 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-05 19:25:02,699 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-05 19:25:02,700 INFO  L87              Difference]: Start difference. First operand 68 states and 102 transitions. Second operand  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-05 19:25:09,924 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:25:13,932 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:25:17,940 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:25:18,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:25:18,742 INFO  L93              Difference]: Finished difference Result 153 states and 226 transitions.
[2024-11-05 19:25:18,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-05 19:25:18,743 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 113
[2024-11-05 19:25:18,743 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:25:18,745 INFO  L225             Difference]: With dead ends: 153
[2024-11-05 19:25:18,745 INFO  L226             Difference]: Without dead ends: 88
[2024-11-05 19:25:18,745 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-05 19:25:18,746 INFO  L432           NwaCegarLoop]: 88 mSDtfsCounter, 58 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time
[2024-11-05 19:25:18,747 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 236 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 3 Unknown, 0 Unchecked, 15.6s Time]
[2024-11-05 19:25:18,747 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-05 19:25:18,757 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83.
[2024-11-05 19:25:18,758 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 58 states have internal predecessors, (76), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-05 19:25:18,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions.
[2024-11-05 19:25:18,759 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 113
[2024-11-05 19:25:18,759 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:25:18,759 INFO  L471      AbstractCegarLoop]: Abstraction has 83 states and 120 transitions.
[2024-11-05 19:25:18,760 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)
[2024-11-05 19:25:18,760 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions.
[2024-11-05 19:25:18,761 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-05 19:25:18,761 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:25:18,761 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:25:18,784 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-11-05 19:25:18,965 WARN  L453      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
[2024-11-05 19:25:18,966 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:25:18,966 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:25:18,966 INFO  L85        PathProgramCache]: Analyzing trace with hash -1287139982, now seen corresponding path program 1 times
[2024-11-05 19:25:18,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:25:18,966 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546456151]
[2024-11-05 19:25:18,967 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:25:18,967 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 19:25:18,967 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:25:18,968 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)
[2024-11-05 19:25:18,969 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
[2024-11-05 19:25:19,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:25:19,709 INFO  L255         TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-05 19:25:19,712 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:25:27,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2024-11-05 19:25:27,320 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:25:34,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-05 19:25:34,365 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:25:34,365 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546456151]
[2024-11-05 19:25:34,365 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [546456151] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:25:34,366 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:25:34,366 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9
[2024-11-05 19:25:34,366 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277939612]
[2024-11-05 19:25:34,366 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:25:34,366 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-05 19:25:34,366 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:25:34,367 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-05 19:25:34,367 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72
[2024-11-05 19:25:34,367 INFO  L87              Difference]: Start difference. First operand 83 states and 120 transitions. Second operand  has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32)
[2024-11-05 19:25:41,078 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:25:45,091 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:25:49,111 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:25:53,917 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:25:57,919 WARN  L539   Checker$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 19:26:01,932 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 19:26:01,935 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:26:01,935 INFO  L93              Difference]: Finished difference Result 164 states and 230 transitions.
[2024-11-05 19:26:02,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-05 19:26:02,092 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 114
[2024-11-05 19:26:02,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:26:02,095 INFO  L225             Difference]: With dead ends: 164
[2024-11-05 19:26:02,095 INFO  L226             Difference]: Without dead ends: 95
[2024-11-05 19:26:02,095 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132
[2024-11-05 19:26:02,096 INFO  L432           NwaCegarLoop]: 72 mSDtfsCounter, 136 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time
[2024-11-05 19:26:02,096 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 178 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 6 Unknown, 0 Unchecked, 27.0s Time]
[2024-11-05 19:26:02,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-11-05 19:26:02,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91.
[2024-11-05 19:26:02,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 64 states have internal predecessors, (81), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-05 19:26:02,104 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions.
[2024-11-05 19:26:02,104 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 114
[2024-11-05 19:26:02,104 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:26:02,104 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 125 transitions.
[2024-11-05 19:26:02,105 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32)
[2024-11-05 19:26:02,105 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions.
[2024-11-05 19:26:02,107 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2024-11-05 19:26:02,107 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:26:02,107 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:26:02,131 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
[2024-11-05 19:26:02,307 WARN  L453      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
[2024-11-05 19:26:02,308 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:26:02,308 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:26:02,308 INFO  L85        PathProgramCache]: Analyzing trace with hash 1419479412, now seen corresponding path program 1 times
[2024-11-05 19:26:02,308 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:26:02,308 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72120025]
[2024-11-05 19:26:02,309 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:26:02,309 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 19:26:02,309 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:26:02,310 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)
[2024-11-05 19:26:02,310 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
[2024-11-05 19:26:03,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:26:03,040 INFO  L255         TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-05 19:26:03,043 INFO  L278         TraceCheckSpWp]: Computing forward predicates...