/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-27.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 08:04:23,865 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 08:04:23,923 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 08:04:23,928 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 08:04:23,928 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 08:04:23,949 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 08:04:23,949 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 08:04:23,949 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 08:04:23,950 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 08:04:23,951 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 08:04:23,951 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 08:04:23,951 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 08:04:23,951 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 08:04:23,952 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 08:04:23,952 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 08:04:23,952 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 08:04:23,953 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 08:04:23,954 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 08:04:23,954 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 08:04:23,954 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 08:04:23,954 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 08:04:23,955 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 08:04:23,955 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 08:04:23,955 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 08:04:23,955 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 08:04:23,955 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 08:04:23,955 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 08:04:23,956 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 08:04:23,956 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 08:04:23,956 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 08:04:23,956 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 08:04:23,956 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 08:04:23,956 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 08:04:23,957 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 08:04:23,957 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:04:23,957 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 08:04:23,957 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 08:04:23,957 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 08:04:23,958 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 08:04:23,958 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 08:04:23,958 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 08:04:23,958 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 08:04:23,958 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 08:04:23,959 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 08:04:23,959 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX
[2024-11-06 08:04:24,127 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 08:04:24,146 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 08:04:24,148 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 08:04:24,149 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 08:04:24,149 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 08:04:24,150 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-27.i
[2024-11-06 08:04:25,285 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 08:04:25,483 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 08:04:25,485 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-27.i
[2024-11-06 08:04:25,495 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a0a829a/4856fbf9b91247fc99d51f8b788b8c5d/FLAG2f7e353af
[2024-11-06 08:04:25,867 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a0a829a/4856fbf9b91247fc99d51f8b788b8c5d
[2024-11-06 08:04:25,869 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 08:04:25,870 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 08:04:25,871 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 08:04:25,871 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 08:04:25,878 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 08:04:25,879 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:04:25" (1/1) ...
[2024-11-06 08:04:25,880 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b28909d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:25, skipping insertion in model container
[2024-11-06 08:04:25,880 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:04:25" (1/1) ...
[2024-11-06 08:04:25,911 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 08:04:26,058 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-27.i[916,929]
[2024-11-06 08:04:26,124 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:04:26,139 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 08:04:26,149 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-27.i[916,929]
[2024-11-06 08:04:26,182 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 08:04:26,197 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 08:04:26,198 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26 WrapperNode
[2024-11-06 08:04:26,198 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 08:04:26,199 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 08:04:26,199 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 08:04:26,199 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 08:04:26,204 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,213 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,239 INFO  L138                Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186
[2024-11-06 08:04:26,239 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 08:04:26,240 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 08:04:26,240 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 08:04:26,240 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 08:04:26,255 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,256 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,259 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,276 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].
[2024-11-06 08:04:26,276 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,276 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,285 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,288 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,290 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,292 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,300 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 08:04:26,301 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 08:04:26,301 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 08:04:26,301 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 08:04:26,302 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (1/1) ...
[2024-11-06 08:04:26,309 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 08:04:26,318 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:04:26,334 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)
[2024-11-06 08:04:26,338 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
[2024-11-06 08:04:26,358 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 08:04:26,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 08:04:26,358 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 08:04:26,358 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 08:04:26,358 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 08:04:26,358 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 08:04:26,438 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 08:04:26,440 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 08:04:29,245 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-06 08:04:29,245 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 08:04:29,257 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 08:04:29,257 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 08:04:29,258 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:04:29 BoogieIcfgContainer
[2024-11-06 08:04:29,258 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 08:04:29,259 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 08:04:29,259 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 08:04:29,262 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 08:04:29,262 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:04:25" (1/3) ...
[2024-11-06 08:04:29,263 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e598fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:04:29, skipping insertion in model container
[2024-11-06 08:04:29,263 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:04:26" (2/3) ...
[2024-11-06 08:04:29,264 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e598fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:04:29, skipping insertion in model container
[2024-11-06 08:04:29,264 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:04:29" (3/3) ...
[2024-11-06 08:04:29,265 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-27.i
[2024-11-06 08:04:29,278 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 08:04:29,278 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 08:04:29,332 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 08:04:29,336 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;@502e7bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 08:04:29,337 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 08:04:29,341 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 86 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-06 08:04:29,354 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-06 08:04:29,354 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:04:29,355 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:04:29,355 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:04:29,360 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:04:29,360 INFO  L85        PathProgramCache]: Analyzing trace with hash 51728933, now seen corresponding path program 1 times
[2024-11-06 08:04:29,370 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:04:29,371 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600335246]
[2024-11-06 08:04:29,371 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:29,371 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
[2024-11-06 08:04:29,371 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:04:29,373 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)
[2024-11-06 08:04:29,374 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
[2024-11-06 08:04:29,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:29,723 INFO  L255         TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:29,732 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:29,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked.
[2024-11-06 08:04:29,774 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:04:29,775 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:04:29,776 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600335246]
[2024-11-06 08:04:29,776 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [600335246] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:04:29,776 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 08:04:29,776 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 08:04:29,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760469133]
[2024-11-06 08:04:29,778 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:04:29,782 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 08:04:29,782 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:04:29,799 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 08:04:29,800 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:04:29,801 INFO  L87              Difference]: Start difference. First operand  has 86 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-06 08:04:29,831 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:04:29,831 INFO  L93              Difference]: Finished difference Result 165 states and 287 transitions.
[2024-11-06 08:04:29,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 08:04:29,834 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177
[2024-11-06 08:04:29,834 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:04:29,839 INFO  L225             Difference]: With dead ends: 165
[2024-11-06 08:04:29,840 INFO  L226             Difference]: Without dead ends: 82
[2024-11-06 08:04:29,843 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 08:04:29,846 INFO  L432           NwaCegarLoop]: 125 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, 125 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
[2024-11-06 08:04:29,846 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 08:04:29,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2024-11-06 08:04:29,879 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2024-11-06 08:04:29,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-06 08:04:29,882 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 125 transitions.
[2024-11-06 08:04:29,883 INFO  L78                 Accepts]: Start accepts. Automaton has 82 states and 125 transitions. Word has length 177
[2024-11-06 08:04:29,883 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:04:29,884 INFO  L471      AbstractCegarLoop]: Abstraction has 82 states and 125 transitions.
[2024-11-06 08:04:29,884 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2024-11-06 08:04:29,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions.
[2024-11-06 08:04:29,891 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2024-11-06 08:04:29,891 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:04:29,891 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:04:29,905 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
[2024-11-06 08:04:30,093 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
[2024-11-06 08:04:30,094 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:04:30,094 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:04:30,095 INFO  L85        PathProgramCache]: Analyzing trace with hash -1119708623, now seen corresponding path program 1 times
[2024-11-06 08:04:30,096 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:04:30,096 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61809333]
[2024-11-06 08:04:30,097 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:30,097 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
[2024-11-06 08:04:30,097 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:04:30,098 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)
[2024-11-06 08:04:30,099 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
[2024-11-06 08:04:30,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:30,434 INFO  L255         TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:30,446 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:33,082 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 216 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-06 08:04:33,082 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:34,204 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:04:34,204 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61809333]
[2024-11-06 08:04:34,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [61809333] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:34,204 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830960409]
[2024-11-06 08:04:34,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:34,205 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:34,205 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:04:34,221 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:04:34,222 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-06 08:04:34,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:34,437 INFO  L255         TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:34,443 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:34,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2024-11-06 08:04:34,492 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 08:04:34,492 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [830960409] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 08:04:34,492 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-06 08:04:34,493 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13
[2024-11-06 08:04:34,493 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924431742]
[2024-11-06 08:04:34,493 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 08:04:34,494 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 08:04:34,494 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:04:34,495 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 08:04:34,495 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240
[2024-11-06 08:04:34,496 INFO  L87              Difference]: Start difference. First operand 82 states and 125 transitions. Second operand  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-06 08:04:36,001 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:04:36,013 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:04:36,013 INFO  L93              Difference]: Finished difference Result 213 states and 326 transitions.
[2024-11-06 08:04:36,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-06 08:04:36,037 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 178
[2024-11-06 08:04:36,038 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:04:36,040 INFO  L225             Difference]: With dead ends: 213
[2024-11-06 08:04:36,040 INFO  L226             Difference]: Without dead ends: 134
[2024-11-06 08:04:36,041 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240
[2024-11-06 08:04:36,042 INFO  L432           NwaCegarLoop]: 193 mSDtfsCounter, 112 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-06 08:04:36,042 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 277 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-06 08:04:36,043 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2024-11-06 08:04:36,050 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 80.
[2024-11-06 08:04:36,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 51 states have internal predecessors, (62), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-06 08:04:36,052 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 116 transitions.
[2024-11-06 08:04:36,052 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 116 transitions. Word has length 178
[2024-11-06 08:04:36,053 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:04:36,053 INFO  L471      AbstractCegarLoop]: Abstraction has 80 states and 116 transitions.
[2024-11-06 08:04:36,053 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2024-11-06 08:04:36,053 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions.
[2024-11-06 08:04:36,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-06 08:04:36,058 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:04:36,058 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:04:36,072 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 (3)] Ended with exit code 0
[2024-11-06 08:04:36,284 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-06 08:04:36,459 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=3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:36,459 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:04:36,460 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:04:36,460 INFO  L85        PathProgramCache]: Analyzing trace with hash -1776204910, now seen corresponding path program 1 times
[2024-11-06 08:04:36,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:04:36,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699856452]
[2024-11-06 08:04:36,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:36,461 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
[2024-11-06 08:04:36,461 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:04:36,463 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)
[2024-11-06 08:04:36,464 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
[2024-11-06 08:04:36,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:36,747 INFO  L255         TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:36,751 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:38,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 84 proven. 216 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-06 08:04:38,260 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:39,203 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:04:39,204 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699856452]
[2024-11-06 08:04:39,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699856452] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:39,204 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948173966]
[2024-11-06 08:04:39,204 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:39,204 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:39,204 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 08:04:39,206 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 08:04:39,207 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-06 08:04:39,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:39,407 INFO  L255         TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:39,411 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:40,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 152 proven. 147 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked.
[2024-11-06 08:04:40,139 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:40,766 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [948173966] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-06 08:04:40,766 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:04:40,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 14
[2024-11-06 08:04:40,767 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106061713]
[2024-11-06 08:04:40,767 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:04:40,767 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-06 08:04:40,767 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:04:40,768 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-06 08:04:40,769 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272
[2024-11-06 08:04:40,769 INFO  L87              Difference]: Start difference. First operand 80 states and 116 transitions. Second operand  has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 5 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (53), 4 states have call predecessors, (53), 5 states have call successors, (53)
[2024-11-06 08:04:43,656 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:04:45,067 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:04:45,297 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:04:45,297 INFO  L93              Difference]: Finished difference Result 171 states and 240 transitions.
[2024-11-06 08:04:45,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-06 08:04:45,299 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 5 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (53), 4 states have call predecessors, (53), 5 states have call successors, (53) Word has length 179
[2024-11-06 08:04:45,299 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:04:45,300 INFO  L225             Difference]: With dead ends: 171
[2024-11-06 08:04:45,300 INFO  L226             Difference]: Without dead ends: 94
[2024-11-06 08:04:45,301 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 659 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380
[2024-11-06 08:04:45,302 INFO  L432           NwaCegarLoop]: 79 mSDtfsCounter, 42 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time
[2024-11-06 08:04:45,302 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 358 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time]
[2024-11-06 08:04:45,303 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-06 08:04:45,311 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 92.
[2024-11-06 08:04:45,311 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 60 states have internal predecessors, (70), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2024-11-06 08:04:45,312 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 124 transitions.
[2024-11-06 08:04:45,312 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 124 transitions. Word has length 179
[2024-11-06 08:04:45,313 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:04:45,313 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 124 transitions.
[2024-11-06 08:04:45,313 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 14 states have internal predecessors, (78), 5 states have call successors, (52), 5 states have call predecessors, (52), 6 states have return successors, (53), 4 states have call predecessors, (53), 5 states have call successors, (53)
[2024-11-06 08:04:45,313 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 124 transitions.
[2024-11-06 08:04:45,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-06 08:04:45,315 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:04:45,315 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:04:45,330 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 (5)] Ended with exit code 0
[2024-11-06 08:04:45,541 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-06 08:04:45,715 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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 08:04:45,716 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:04:45,716 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:04:45,716 INFO  L85        PathProgramCache]: Analyzing trace with hash -1910218416, now seen corresponding path program 1 times
[2024-11-06 08:04:45,717 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:04:45,717 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091783037]
[2024-11-06 08:04:45,717 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:45,717 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
[2024-11-06 08:04:45,717 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:04:45,720 INFO  L229       MonitoredProcess]: Starting monitored process 7 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)
[2024-11-06 08:04:45,722 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 (7)] Waiting until timeout for monitored process
[2024-11-06 08:04:45,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:45,990 INFO  L255         TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:45,994 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 08:04:46,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 728 proven. 39 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked.
[2024-11-06 08:04:46,253 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 08:04:46,584 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 39 proven. 39 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked.
[2024-11-06 08:04:46,584 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-06 08:04:46,584 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091783037]
[2024-11-06 08:04:46,584 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091783037] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 08:04:46,584 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 08:04:46,585 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2024-11-06 08:04:46,585 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546319537]
[2024-11-06 08:04:46,585 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 08:04:46,585 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-06 08:04:46,586 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-06 08:04:46,586 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-06 08:04:46,586 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2024-11-06 08:04:46,587 INFO  L87              Difference]: Start difference. First operand 92 states and 124 transitions. Second operand  has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41)
[2024-11-06 08:04:48,758 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 08:04:49,216 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 08:04:49,216 INFO  L93              Difference]: Finished difference Result 226 states and 298 transitions.
[2024-11-06 08:04:49,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-06 08:04:49,218 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 179
[2024-11-06 08:04:49,218 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 08:04:49,219 INFO  L225             Difference]: With dead ends: 226
[2024-11-06 08:04:49,219 INFO  L226             Difference]: Without dead ends: 137
[2024-11-06 08:04:49,220 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342
[2024-11-06 08:04:49,221 INFO  L432           NwaCegarLoop]: 102 mSDtfsCounter, 128 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-06 08:04:49,221 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 454 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-06 08:04:49,224 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-06 08:04:49,232 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132.
[2024-11-06 08:04:49,233 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 132 states, 82 states have (on average 1.1097560975609757) internal successors, (91), 83 states have internal predecessors, (91), 40 states have call successors, (40), 9 states have call predecessors, (40), 9 states have return successors, (40), 39 states have call predecessors, (40), 40 states have call successors, (40)
[2024-11-06 08:04:49,234 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 171 transitions.
[2024-11-06 08:04:49,234 INFO  L78                 Accepts]: Start accepts. Automaton has 132 states and 171 transitions. Word has length 179
[2024-11-06 08:04:49,234 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 08:04:49,235 INFO  L471      AbstractCegarLoop]: Abstraction has 132 states and 171 transitions.
[2024-11-06 08:04:49,235 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41)
[2024-11-06 08:04:49,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions.
[2024-11-06 08:04:49,236 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-06 08:04:49,236 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 08:04:49,236 INFO  L215           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 08:04:49,252 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 (7)] Forceful destruction successful, exit code 0
[2024-11-06 08:04:49,437 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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
[2024-11-06 08:04:49,437 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 08:04:49,438 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 08:04:49,438 INFO  L85        PathProgramCache]: Analyzing trace with hash -1209153838, now seen corresponding path program 1 times
[2024-11-06 08:04:49,438 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-06 08:04:49,438 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741038290]
[2024-11-06 08:04:49,438 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 08:04:49,438 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
[2024-11-06 08:04:49,439 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 08:04:49,440 INFO  L229       MonitoredProcess]: Starting monitored process 8 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)
[2024-11-06 08:04:49,440 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 (8)] Waiting until timeout for monitored process
[2024-11-06 08:04:49,750 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 08:04:49,764 INFO  L255         TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 42 conjuncts are in the unsatisfiable core
[2024-11-06 08:04:49,770 INFO  L278         TraceCheckSpWp]: Computing forward predicates...