/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-15.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-05 22:51:39,147 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 22:51:39,217 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 22:51:39,224 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 22:51:39,224 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 22:51:39,254 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 22:51:39,254 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 22:51:39,255 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 22:51:39,255 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 22:51:39,256 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 22:51:39,256 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 22:51:39,256 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 22:51:39,257 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 22:51:39,257 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 22:51:39,258 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 22:51:39,258 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 22:51:39,258 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 22:51:39,259 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 22:51:39,259 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 22:51:39,259 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 22:51:39,260 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 22:51:39,263 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 22:51:39,264 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 22:51:39,264 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 22:51:39,264 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 22:51:39,264 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 22:51:39,265 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 22:51:39,265 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 22:51:39,265 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 22:51:39,266 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 22:51:39,266 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 22:51:39,266 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 22:51:39,266 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 22:51:39,267 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 22:51:39,271 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:51:39,271 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 22:51:39,271 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 22:51:39,271 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 22:51:39,272 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 22:51:39,272 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 22:51:39,272 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 22:51:39,272 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 22:51:39,273 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 22:51:39,273 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 22:51:39,273 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-05 22:51:39,490 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 22:51:39,513 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 22:51:39,516 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 22:51:39,517 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 22:51:39,518 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 22:51:39,519 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-15.i
[2024-11-05 22:51:40,996 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 22:51:41,175 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 22:51:41,176 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-15.i
[2024-11-05 22:51:41,183 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb47e044c/66ecc0a92ad5410c8bb41b878e61e961/FLAGb3573c264
[2024-11-05 22:51:41,195 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb47e044c/66ecc0a92ad5410c8bb41b878e61e961
[2024-11-05 22:51:41,197 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 22:51:41,198 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 22:51:41,200 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 22:51:41,200 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 22:51:41,205 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 22:51:41,206 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,207 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b357374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41, skipping insertion in model container
[2024-11-05 22:51:41,207 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,229 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 22:51:41,391 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-15.i[916,929]
[2024-11-05 22:51:41,424 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:51:41,441 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 22:51:41,451 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-15.i[916,929]
[2024-11-05 22:51:41,468 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 22:51:41,494 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 22:51:41,494 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41 WrapperNode
[2024-11-05 22:51:41,494 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 22:51:41,496 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 22:51:41,496 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 22:51:41,496 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 22:51:41,502 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,512 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,533 INFO  L138                Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104
[2024-11-05 22:51:41,534 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 22:51:41,535 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 22:51:41,535 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 22:51:41,535 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 22:51:41,549 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,549 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,557 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,571 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 22:51:41,572 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,572 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,578 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,581 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,583 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,584 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,587 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 22:51:41,588 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 22:51:41,588 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 22:51:41,588 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 22:51:41,589 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (1/1) ...
[2024-11-05 22:51:41,596 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 22:51:41,608 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 22:51:41,624 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 22:51:41,627 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 22:51:41,652 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 22:51:41,652 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 22:51:41,652 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 22:51:41,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 22:51:41,653 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 22:51:41,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 22:51:41,763 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 22:51:41,766 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 22:51:42,030 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-05 22:51:42,031 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 22:51:42,045 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 22:51:42,046 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 22:51:42,046 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:51:42 BoogieIcfgContainer
[2024-11-05 22:51:42,046 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 22:51:42,049 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 22:51:42,049 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 22:51:42,053 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 22:51:42,053 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:51:41" (1/3) ...
[2024-11-05 22:51:42,054 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572d1dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:51:42, skipping insertion in model container
[2024-11-05 22:51:42,054 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:41" (2/3) ...
[2024-11-05 22:51:42,054 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572d1dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:51:42, skipping insertion in model container
[2024-11-05 22:51:42,054 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:51:42" (3/3) ...
[2024-11-05 22:51:42,056 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-15.i
[2024-11-05 22:51:42,071 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 22:51:42,071 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 22:51:42,144 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 22:51:42,151 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;@211d276b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 22:51:42,151 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 22:51:42,157 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-05 22:51:42,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-05 22:51:42,168 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:51:42,169 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 22:51:42,170 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:51:42,176 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:51:42,176 INFO  L85        PathProgramCache]: Analyzing trace with hash 100213415, now seen corresponding path program 1 times
[2024-11-05 22:51:42,188 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:51:42,188 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358656871]
[2024-11-05 22:51:42,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:51:42,189 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 22:51:42,189 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:51:42,191 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 22:51:42,192 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 22:51:42,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:51:42,356 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 22:51:42,365 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:51:42,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked.
[2024-11-05 22:51:42,418 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:51:42,418 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:51:42,419 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358656871]
[2024-11-05 22:51:42,419 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [358656871] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:51:42,420 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:51:42,420 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 22:51:42,422 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103017163]
[2024-11-05 22:51:42,423 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:51:42,427 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 22:51:42,427 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:51:42,444 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 22:51:42,445 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 22:51:42,447 INFO  L87              Difference]: Start difference. First operand  has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-05 22:51:42,469 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:51:42,469 INFO  L93              Difference]: Finished difference Result 93 states and 158 transitions.
[2024-11-05 22:51:42,470 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 22:51:42,471 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102
[2024-11-05 22:51:42,472 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:51:42,476 INFO  L225             Difference]: With dead ends: 93
[2024-11-05 22:51:42,477 INFO  L226             Difference]: Without dead ends: 46
[2024-11-05 22:51:42,480 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 22:51:42,482 INFO  L432           NwaCegarLoop]: 66 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, 66 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 22:51:42,484 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 22:51:42,500 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-05 22:51:42,526 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-11-05 22:51:42,527 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-05 22:51:42,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions.
[2024-11-05 22:51:42,532 INFO  L78                 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102
[2024-11-05 22:51:42,532 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:51:42,532 INFO  L471      AbstractCegarLoop]: Abstraction has 46 states and 66 transitions.
[2024-11-05 22:51:42,533 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-05 22:51:42,533 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions.
[2024-11-05 22:51:42,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-05 22:51:42,536 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:51:42,536 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 22:51:42,541 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-05 22:51:42,737 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 22:51:42,738 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:51:42,739 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:51:42,739 INFO  L85        PathProgramCache]: Analyzing trace with hash -972029273, now seen corresponding path program 1 times
[2024-11-05 22:51:42,740 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:51:42,740 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202587083]
[2024-11-05 22:51:42,740 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:51:42,741 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 22:51:42,741 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:51:42,744 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 22:51:42,745 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 22:51:42,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:51:42,840 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-05 22:51:42,847 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:51:43,159 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked.
[2024-11-05 22:51:43,160 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 22:51:43,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-05 22:51:43,313 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:51:43,313 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202587083]
[2024-11-05 22:51:43,313 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202587083] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 22:51:43,313 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 22:51:43,314 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9
[2024-11-05 22:51:43,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019006519]
[2024-11-05 22:51:43,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:51:43,317 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-05 22:51:43,317 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:51:43,319 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-05 22:51:43,319 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-05 22:51:43,319 INFO  L87              Difference]: Start difference. First operand 46 states and 66 transitions. Second operand  has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-05 22:51:43,396 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:51:43,398 INFO  L93              Difference]: Finished difference Result 103 states and 147 transitions.
[2024-11-05 22:51:43,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-05 22:51:43,400 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102
[2024-11-05 22:51:43,401 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:51:43,402 INFO  L225             Difference]: With dead ends: 103
[2024-11-05 22:51:43,403 INFO  L226             Difference]: Without dead ends: 60
[2024-11-05 22:51:43,405 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-05 22:51:43,407 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 16 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-05 22:51:43,407 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 189 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 22:51:43,408 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-05 22:51:43,418 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49.
[2024-11-05 22:51:43,419 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 49 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-05 22:51:43,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions.
[2024-11-05 22:51:43,424 INFO  L78                 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 102
[2024-11-05 22:51:43,425 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:51:43,425 INFO  L471      AbstractCegarLoop]: Abstraction has 49 states and 69 transitions.
[2024-11-05 22:51:43,426 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-05 22:51:43,426 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions.
[2024-11-05 22:51:43,427 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-05 22:51:43,427 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:51:43,427 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 22:51:43,435 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 22:51:43,628 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 22:51:43,629 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:51:43,629 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:51:43,630 INFO  L85        PathProgramCache]: Analyzing trace with hash -1101317529, now seen corresponding path program 1 times
[2024-11-05 22:51:43,630 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:51:43,630 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350825996]
[2024-11-05 22:51:43,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:51:43,631 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 22:51:43,631 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:51:43,634 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 22:51:43,635 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 22:51:43,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:51:43,734 INFO  L255         TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-05 22:51:43,742 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 22:51:44,027 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-05 22:51:44,027 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-05 22:51:44,028 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-05 22:51:44,028 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350825996]
[2024-11-05 22:51:44,028 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [350825996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-05 22:51:44,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-05 22:51:44,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-05 22:51:44,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852903982]
[2024-11-05 22:51:44,031 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 22:51:44,031 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-05 22:51:44,031 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-05 22:51:44,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-05 22:51:44,032 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 22:51:44,032 INFO  L87              Difference]: Start difference. First operand 49 states and 69 transitions. Second operand  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-05 22:51:44,073 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 22:51:44,073 INFO  L93              Difference]: Finished difference Result 139 states and 199 transitions.
[2024-11-05 22:51:44,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-05 22:51:44,074 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102
[2024-11-05 22:51:44,074 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 22:51:44,076 INFO  L225             Difference]: With dead ends: 139
[2024-11-05 22:51:44,076 INFO  L226             Difference]: Without dead ends: 93
[2024-11-05 22:51:44,077 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-05 22:51:44,078 INFO  L432           NwaCegarLoop]: 75 mSDtfsCounter, 13 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-05 22:51:44,078 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 132 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 22:51:44,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-11-05 22:51:44,099 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90.
[2024-11-05 22:51:44,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-05 22:51:44,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 130 transitions.
[2024-11-05 22:51:44,102 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 130 transitions. Word has length 102
[2024-11-05 22:51:44,103 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 22:51:44,103 INFO  L471      AbstractCegarLoop]: Abstraction has 90 states and 130 transitions.
[2024-11-05 22:51:44,103 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-05 22:51:44,107 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions.
[2024-11-05 22:51:44,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-11-05 22:51:44,108 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 22:51:44,108 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 22:51:44,120 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 22:51:44,309 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 22:51:44,310 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 22:51:44,310 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 22:51:44,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 187553380, now seen corresponding path program 1 times
[2024-11-05 22:51:44,311 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-05 22:51:44,311 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845015027]
[2024-11-05 22:51:44,311 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 22:51:44,311 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 22:51:44,312 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 22:51:44,315 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 22:51:44,317 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 22:51:44,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 22:51:44,400 INFO  L255         TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-05 22:51:44,405 INFO  L278         TraceCheckSpWp]: Computing forward predicates...