/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 WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-50.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-05 22:56:01,207 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 22:56:01,266 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 22:56:01,274 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 22:56:01,275 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 22:56:01,298 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 22:56:01,299 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 22:56:01,299 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 22:56:01,300 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 22:56:01,302 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 22:56:01,302 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 22:56:01,303 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 22:56:01,303 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 22:56:01,304 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 22:56:01,305 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 22:56:01,305 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 22:56:01,305 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 22:56:01,306 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 22:56:01,306 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 22:56:01,306 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 22:56:01,306 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 22:56:01,309 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 22:56:01,309 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 22:56:01,309 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 22:56:01,310 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 22:56:01,310 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 22:56:01,310 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 22:56:01,310 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 22:56:01,311 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 22:56:01,311 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 22:56:01,311 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 22:56:01,312 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 22:56:01,312 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 22:56:01,312 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 22:56:01,312 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:56:01,313 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 22:56:01,313 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 22:56:01,313 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 22:56:01,313 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 22:56:01,314 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 22:56:01,314 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 22:56:01,314 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 22:56:01,314 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 22:56:01,315 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 22:56:01,315 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-05 22:56:01,551 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 22:56:01,569 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 22:56:01,571 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 22:56:01,572 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 22:56:01,573 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 22:56:01,574 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-50.i
[2024-11-05 22:56:03,005 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 22:56:03,188 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 22:56:03,188 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-50.i
[2024-11-05 22:56:03,197 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9a9165d/4ce3302878e04151ac818e24941b8bb8/FLAG93c210d66
[2024-11-05 22:56:03,211 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc9a9165d/4ce3302878e04151ac818e24941b8bb8
[2024-11-05 22:56:03,215 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 22:56:03,217 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 22:56:03,218 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 22:56:03,218 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 22:56:03,222 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 22:56:03,223 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,224 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3369b457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03, skipping insertion in model container
[2024-11-05 22:56:03,224 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,248 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 22:56:03,409 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_floatingpointinfluence_no-floats_file-50.i[916,929]
[2024-11-05 22:56:03,458 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:56:03,472 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 22:56:03,482 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_floatingpointinfluence_no-floats_file-50.i[916,929]
[2024-11-05 22:56:03,510 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:56:03,530 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 22:56:03,530 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03 WrapperNode
[2024-11-05 22:56:03,530 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 22:56:03,531 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 22:56:03,532 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 22:56:03,532 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 22:56:03,537 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,547 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,571 INFO  L138                Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147
[2024-11-05 22:56:03,571 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 22:56:03,572 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 22:56:03,572 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 22:56:03,572 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 22:56:03,583 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,583 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,587 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,598 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 22:56:03,598 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,598 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,605 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,608 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,610 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,611 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,614 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 22:56:03,615 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 22:56:03,615 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 22:56:03,615 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 22:56:03,616 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (1/1) ...
[2024-11-05 22:56:03,624 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:56:03,632 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 22:56:03,644 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 22:56:03,646 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 22:56:03,665 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 22:56:03,665 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 22:56:03,665 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 22:56:03,665 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 22:56:03,665 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 22:56:03,666 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 22:56:03,731 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 22:56:03,733 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 22:56:04,200 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-05 22:56:04,200 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 22:56:04,215 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 22:56:04,215 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 22:56:04,216 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:56:04 BoogieIcfgContainer
[2024-11-05 22:56:04,216 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 22:56:04,218 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 22:56:04,218 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 22:56:04,222 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 22:56:04,222 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:56:03" (1/3) ...
[2024-11-05 22:56:04,222 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6045a09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:56:04, skipping insertion in model container
[2024-11-05 22:56:04,223 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:56:03" (2/3) ...
[2024-11-05 22:56:04,223 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6045a09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:56:04, skipping insertion in model container
[2024-11-05 22:56:04,223 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:56:04" (3/3) ...
[2024-11-05 22:56:04,225 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-50.i
[2024-11-05 22:56:04,243 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 22:56:04,243 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 22:56:04,307 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 22:56:04,312 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;@25504d78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 22:56:04,313 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 22:56:04,318 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 72 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 40 states have internal predecessors, (50), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-05 22:56:04,337 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-05 22:56:04,338 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:56:04,339 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:04,339 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:56:04,346 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:56:04,347 INFO  L85        PathProgramCache]: Analyzing trace with hash -416482401, now seen corresponding path program 1 times
[2024-11-05 22:56:04,363 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:56:04,363 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976315716]
[2024-11-05 22:56:04,364 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:56:04,364 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 22:56:04,364 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:56:04,368 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 22:56:04,370 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 22:56:04,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:56:04,594 INFO  L255         TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 22:56:04,610 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:56:04,672 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked.
[2024-11-05 22:56:04,673 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:56:04,675 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:56:04,676 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976315716]
[2024-11-05 22:56:04,676 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [976315716] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:56:04,676 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:56:04,677 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 22:56:04,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054322472]
[2024-11-05 22:56:04,680 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:56:04,684 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 22:56:04,685 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:56:04,710 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 22:56:04,711 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 22:56:04,713 INFO  L87              Difference]: Start difference. First operand  has 72 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 40 states have internal predecessors, (50), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-05 22:56:04,747 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:56:04,748 INFO  L93              Difference]: Finished difference Result 137 states and 244 transitions.
[2024-11-05 22:56:04,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 22:56:04,751 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 179
[2024-11-05 22:56:04,752 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:56:04,760 INFO  L225             Difference]: With dead ends: 137
[2024-11-05 22:56:04,760 INFO  L226             Difference]: Without dead ends: 68
[2024-11-05 22:56:04,764 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 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 22:56:04,769 INFO  L432           NwaCegarLoop]: 102 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, 102 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 22:56:04,771 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 22:56:04,784 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2024-11-05 22:56:04,806 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2024-11-05 22:56:04,807 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 68 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 36 states have internal predecessors, (42), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-05 22:56:04,809 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 102 transitions.
[2024-11-05 22:56:04,811 INFO  L78                 Accepts]: Start accepts. Automaton has 68 states and 102 transitions. Word has length 179
[2024-11-05 22:56:04,811 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:56:04,812 INFO  L471      AbstractCegarLoop]: Abstraction has 68 states and 102 transitions.
[2024-11-05 22:56:04,812 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)
[2024-11-05 22:56:04,812 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions.
[2024-11-05 22:56:04,836 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-05 22:56:04,837 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:56:04,838 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:04,846 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-05 22:56:05,043 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 22:56:05,044 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:56:05,045 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:56:05,045 INFO  L85        PathProgramCache]: Analyzing trace with hash -750611210, now seen corresponding path program 1 times
[2024-11-05 22:56:05,046 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:56:05,046 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824219789]
[2024-11-05 22:56:05,047 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:56:05,047 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 22:56:05,047 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:56:05,050 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 22:56:05,051 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 22:56:05,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:56:05,233 INFO  L255         TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 22:56:05,241 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:56:05,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked.
[2024-11-05 22:56:05,798 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:56:05,798 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:56:05,799 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824219789]
[2024-11-05 22:56:05,799 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824219789] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:56:05,799 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:56:05,799 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-05 22:56:05,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181696811]
[2024-11-05 22:56:05,799 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:56:05,801 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-05 22:56:05,801 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:56:05,803 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-05 22:56:05,803 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-05 22:56:05,804 INFO  L87              Difference]: Start difference. First operand 68 states and 102 transitions. Second operand  has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2024-11-05 22:56:06,362 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:56:06,362 INFO  L93              Difference]: Finished difference Result 209 states and 313 transitions.
[2024-11-05 22:56:06,373 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-05 22:56:06,373 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 180
[2024-11-05 22:56:06,375 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:56:06,378 INFO  L225             Difference]: With dead ends: 209
[2024-11-05 22:56:06,378 INFO  L226             Difference]: Without dead ends: 144
[2024-11-05 22:56:06,379 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-05 22:56:06,380 INFO  L432           NwaCegarLoop]: 106 mSDtfsCounter, 57 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-05 22:56:06,381 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 399 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-05 22:56:06,382 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2024-11-05 22:56:06,420 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 131.
[2024-11-05 22:56:06,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 131 states, 68 states have (on average 1.161764705882353) internal successors, (79), 68 states have internal predecessors, (79), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-05 22:56:06,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 199 transitions.
[2024-11-05 22:56:06,423 INFO  L78                 Accepts]: Start accepts. Automaton has 131 states and 199 transitions. Word has length 180
[2024-11-05 22:56:06,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:56:06,425 INFO  L471      AbstractCegarLoop]: Abstraction has 131 states and 199 transitions.
[2024-11-05 22:56:06,425 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2024-11-05 22:56:06,425 INFO  L276                IsEmpty]: Start isEmpty. Operand 131 states and 199 transitions.
[2024-11-05 22:56:06,429 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-05 22:56:06,430 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:56:06,430 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:06,438 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
[2024-11-05 22:56:06,630 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 22:56:06,632 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:56:06,633 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:56:06,633 INFO  L85        PathProgramCache]: Analyzing trace with hash -1143638220, now seen corresponding path program 1 times
[2024-11-05 22:56:06,634 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:56:06,634 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771576200]
[2024-11-05 22:56:06,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:56:06,635 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 22:56:06,635 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:56:06,636 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 22:56:06,637 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 22:56:06,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:56:06,786 INFO  L255         TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-05 22:56:06,800 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:57:15,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked.
[2024-11-05 22:57:15,758 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:57:15,759 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:57:15,759 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771576200]
[2024-11-05 22:57:15,759 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771576200] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:57:15,759 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:57:15,759 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-05 22:57:15,759 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558471914]
[2024-11-05 22:57:15,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:57:15,760 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-05 22:57:15,760 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:57:15,761 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-05 22:57:15,761 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-11-05 22:57:15,761 INFO  L87              Difference]: Start difference. First operand 131 states and 199 transitions. Second operand  has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2024-11-05 22:57:17,858 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:57:17,859 INFO  L93              Difference]: Finished difference Result 182 states and 266 transitions.
[2024-11-05 22:57:17,867 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-05 22:57:17,867 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 180
[2024-11-05 22:57:17,868 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:57:17,872 INFO  L225             Difference]: With dead ends: 182
[2024-11-05 22:57:17,872 INFO  L226             Difference]: Without dead ends: 180
[2024-11-05 22:57:17,873 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2024-11-05 22:57:17,874 INFO  L432           NwaCegarLoop]: 134 mSDtfsCounter, 91 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-05 22:57:17,874 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 673 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-05 22:57:17,875 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 180 states.
[2024-11-05 22:57:17,913 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 164.
[2024-11-05 22:57:17,914 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 164 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 87 states have internal predecessors, (99), 74 states have call successors, (74), 3 states have call predecessors, (74), 3 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74)
[2024-11-05 22:57:17,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions.
[2024-11-05 22:57:17,916 INFO  L78                 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 180
[2024-11-05 22:57:17,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:57:17,917 INFO  L471      AbstractCegarLoop]: Abstraction has 164 states and 247 transitions.
[2024-11-05 22:57:17,918 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30)
[2024-11-05 22:57:17,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions.
[2024-11-05 22:57:17,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-05 22:57:17,920 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:57:17,921 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:17,928 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 22:57:18,125 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 22:57:18,126 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:57:18,127 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:57:18,127 INFO  L85        PathProgramCache]: Analyzing trace with hash -1815194822, now seen corresponding path program 1 times
[2024-11-05 22:57:18,128 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:57:18,128 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011663287]
[2024-11-05 22:57:18,128 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:57:18,128 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 22:57:18,129 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:57:18,132 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 22:57:18,133 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 22:57:18,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:57:18,468 INFO  L255         TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-11-05 22:57:18,475 INFO  L278         TraceCheckSpWp]: Computing forward predicates...