/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 16:37:51,251 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 16:37:51,321 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-23 16:37:51,325 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 16:37:51,325 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 16:37:51,347 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 16:37:51,347 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 16:37:51,348 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 16:37:51,348 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 16:37:51,351 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 16:37:51,351 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 16:37:51,352 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 16:37:51,352 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 16:37:51,353 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 16:37:51,353 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 16:37:51,354 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 16:37:51,354 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 16:37:51,354 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 16:37:51,354 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 16:37:51,354 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 16:37:51,355 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 16:37:51,355 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 16:37:51,356 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 16:37:51,356 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 16:37:51,356 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 16:37:51,356 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 16:37:51,356 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 16:37:51,356 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 16:37:51,356 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 16:37:51,357 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 16:37:51,357 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 16:37:51,357 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 16:37:51,358 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 16:37:51,358 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 16:37:51,359 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 16:37:51,359 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 16:37:51,359 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 16:37:51,359 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 16:37:51,359 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 16:37:51,359 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 16:37:51,566 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 16:37:51,586 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 16:37:51,588 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 16:37:51,590 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 16:37:51,590 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 16:37:51,592 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i
[2023-12-23 16:37:52,752 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 16:37:52,924 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 16:37:52,925 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i
[2023-12-23 16:37:52,935 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66eee4f53/5fa4f1c63ec3458e8d8485a29f4146cd/FLAG9c3a454ee
[2023-12-23 16:37:52,945 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66eee4f53/5fa4f1c63ec3458e8d8485a29f4146cd
[2023-12-23 16:37:52,946 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 16:37:52,947 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 16:37:52,948 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 16:37:52,948 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 16:37:52,954 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 16:37:52,954 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:37:52" (1/1) ...
[2023-12-23 16:37:52,955 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8e0b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:52, skipping insertion in model container
[2023-12-23 16:37:52,955 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:37:52" (1/1) ...
[2023-12-23 16:37:53,004 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 16:37:53,140 WARN  L239   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_fillercode_fillercodestructure_filler-ps-co_file-64.i[919,932]
[2023-12-23 16:37:53,217 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 16:37:53,235 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 16:37:53,243 WARN  L239   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_fillercode_fillercodestructure_filler-ps-co_file-64.i[919,932]
[2023-12-23 16:37:53,298 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 16:37:53,310 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 16:37:53,311 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53 WrapperNode
[2023-12-23 16:37:53,311 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 16:37:53,312 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 16:37:53,312 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 16:37:53,312 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 16:37:53,316 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,326 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,353 INFO  L138                Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214
[2023-12-23 16:37:53,354 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 16:37:53,354 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 16:37:53,354 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 16:37:53,355 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 16:37:53,369 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,369 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,373 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,384 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].
[2023-12-23 16:37:53,385 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,385 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,396 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,399 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,416 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,418 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,421 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 16:37:53,436 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 16:37:53,437 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 16:37:53,437 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 16:37:53,438 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (1/1) ...
[2023-12-23 16:37:53,441 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 16:37:53,450 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 16:37:53,473 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)
[2023-12-23 16:37:53,494 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
[2023-12-23 16:37:53,502 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 16:37:53,502 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 16:37:53,502 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 16:37:53,503 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 16:37:53,503 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 16:37:53,504 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 16:37:53,588 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 16:37:53,591 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 16:37:53,921 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 16:37:54,012 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 16:37:54,012 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 16:37:54,012 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:37:54 BoogieIcfgContainer
[2023-12-23 16:37:54,013 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 16:37:54,014 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 16:37:54,014 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 16:37:54,021 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 16:37:54,021 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:37:52" (1/3) ...
[2023-12-23 16:37:54,022 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a261752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:37:54, skipping insertion in model container
[2023-12-23 16:37:54,022 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:37:53" (2/3) ...
[2023-12-23 16:37:54,022 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a261752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:37:54, skipping insertion in model container
[2023-12-23 16:37:54,022 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:37:54" (3/3) ...
[2023-12-23 16:37:54,024 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i
[2023-12-23 16:37:54,036 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 16:37:54,037 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 16:37:54,083 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 16:37:54,089 INFO  L357      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, mHoare=true, 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;@12c22f56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 16:37:54,089 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 16:37:54,094 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 92 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2023-12-23 16:37:54,109 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 232
[2023-12-23 16:37:54,109 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 16:37:54,110 INFO  L195           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 16:37:54,111 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 16:37:54,114 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 16:37:54,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 342173464, now seen corresponding path program 1 times
[2023-12-23 16:37:54,128 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 16:37:54,129 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094395987]
[2023-12-23 16:37:54,129 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 16:37:54,129 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
[2023-12-23 16:37:54,129 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 16:37:54,132 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)
[2023-12-23 16:37:54,137 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
[2023-12-23 16:37:54,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 16:37:54,324 INFO  L262         TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 16:37:54,332 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 16:37:54,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 1274 proven. 0 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked.
[2023-12-23 16:37:54,370 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 16:37:54,370 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 16:37:54,370 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094395987]
[2023-12-23 16:37:54,371 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094395987] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 16:37:54,371 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 16:37:54,371 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 16:37:54,372 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130015389]
[2023-12-23 16:37:54,373 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 16:37:54,376 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 16:37:54,376 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 16:37:54,398 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 16:37:54,398 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 16:37:54,400 INFO  L87              Difference]: Start difference. First operand  has 92 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 52 states have internal predecessors, (73), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38)
[2023-12-23 16:37:54,451 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 16:37:54,451 INFO  L93              Difference]: Finished difference Result 181 states and 334 transitions.
[2023-12-23 16:37:54,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 16:37:54,457 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 231
[2023-12-23 16:37:54,457 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 16:37:54,464 INFO  L225             Difference]: With dead ends: 181
[2023-12-23 16:37:54,465 INFO  L226             Difference]: Without dead ends: 90
[2023-12-23 16:37:54,470 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 16:37:54,474 INFO  L413           NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-23 16:37:54,475 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-23 16:37:54,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2023-12-23 16:37:54,509 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90.
[2023-12-23 16:37:54,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38)
[2023-12-23 16:37:54,512 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 144 transitions.
[2023-12-23 16:37:54,513 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 144 transitions. Word has length 231
[2023-12-23 16:37:54,513 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 16:37:54,513 INFO  L495      AbstractCegarLoop]: Abstraction has 90 states and 144 transitions.
[2023-12-23 16:37:54,514 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38)
[2023-12-23 16:37:54,514 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 144 transitions.
[2023-12-23 16:37:54,517 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 232
[2023-12-23 16:37:54,517 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 16:37:54,517 INFO  L195           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 16:37:54,524 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
[2023-12-23 16:37:54,723 WARN  L477      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
[2023-12-23 16:37:54,724 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 16:37:54,724 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 16:37:54,724 INFO  L85        PathProgramCache]: Analyzing trace with hash -1195974892, now seen corresponding path program 1 times
[2023-12-23 16:37:54,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 16:37:54,725 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557395637]
[2023-12-23 16:37:54,725 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 16:37:54,725 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
[2023-12-23 16:37:54,726 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 16:37:54,728 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)
[2023-12-23 16:37:54,731 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
[2023-12-23 16:37:54,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 16:37:54,895 INFO  L262         TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 16:37:54,901 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 16:37:55,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2023-12-23 16:37:55,264 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 16:37:55,264 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 16:37:55,267 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557395637]
[2023-12-23 16:37:55,268 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [557395637] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 16:37:55,268 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 16:37:55,268 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 16:37:55,268 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5180643]
[2023-12-23 16:37:55,268 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 16:37:55,271 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 16:37:55,271 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 16:37:55,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 16:37:55,273 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 16:37:55,273 INFO  L87              Difference]: Start difference. First operand 90 states and 144 transitions. Second operand  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2023-12-23 16:37:55,413 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 16:37:55,413 INFO  L93              Difference]: Finished difference Result 267 states and 428 transitions.
[2023-12-23 16:37:55,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 16:37:55,414 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 231
[2023-12-23 16:37:55,416 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 16:37:55,417 INFO  L225             Difference]: With dead ends: 267
[2023-12-23 16:37:55,417 INFO  L226             Difference]: Without dead ends: 178
[2023-12-23 16:37:55,418 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 16:37:55,419 INFO  L413           NwaCegarLoop]: 148 mSDtfsCounter, 33 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 16:37:55,419 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 280 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 16:37:55,420 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 178 states.
[2023-12-23 16:37:55,457 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176.
[2023-12-23 16:37:55,458 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 176 states, 97 states have (on average 1.3298969072164948) internal successors, (129), 97 states have internal predecessors, (129), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76)
[2023-12-23 16:37:55,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 281 transitions.
[2023-12-23 16:37:55,459 INFO  L78                 Accepts]: Start accepts. Automaton has 176 states and 281 transitions. Word has length 231
[2023-12-23 16:37:55,464 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 16:37:55,464 INFO  L495      AbstractCegarLoop]: Abstraction has 176 states and 281 transitions.
[2023-12-23 16:37:55,465 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2023-12-23 16:37:55,465 INFO  L276                IsEmpty]: Start isEmpty. Operand 176 states and 281 transitions.
[2023-12-23 16:37:55,472 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2023-12-23 16:37:55,472 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 16:37:55,472 INFO  L195           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 16:37:55,478 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
[2023-12-23 16:37:55,677 WARN  L477      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
[2023-12-23 16:37:55,678 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 16:37:55,679 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 16:37:55,679 INFO  L85        PathProgramCache]: Analyzing trace with hash -743048313, now seen corresponding path program 1 times
[2023-12-23 16:37:55,679 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 16:37:55,679 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467376849]
[2023-12-23 16:37:55,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 16:37:55,680 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
[2023-12-23 16:37:55,680 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 16:37:55,681 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)
[2023-12-23 16:37:55,683 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
[2023-12-23 16:37:55,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 16:37:55,839 INFO  L262         TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-23 16:37:55,844 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 16:37:56,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 741 proven. 15 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked.
[2023-12-23 16:37:56,258 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 16:37:56,361 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 16:37:56,361 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467376849]
[2023-12-23 16:37:56,361 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467376849] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-23 16:37:56,361 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [986630154]
[2023-12-23 16:37:56,361 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 16:37:56,362 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-23 16:37:56,362 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-23 16:37:56,420 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-23 16:37:56,454 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process
[2023-12-23 16:37:56,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 16:37:56,815 INFO  L262         TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-23 16:37:56,823 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 16:37:57,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 741 proven. 15 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked.
[2023-12-23 16:37:57,144 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 16:37:57,198 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [986630154] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-23 16:37:57,198 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 16:37:57,198 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5
[2023-12-23 16:37:57,198 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253963811]
[2023-12-23 16:37:57,198 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 16:37:57,200 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-23 16:37:57,200 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 16:37:57,201 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-23 16:37:57,201 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2023-12-23 16:37:57,201 INFO  L87              Difference]: Start difference. First operand 176 states and 281 transitions. Second operand  has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38)
[2023-12-23 16:37:57,638 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 16:37:57,638 INFO  L93              Difference]: Finished difference Result 434 states and 689 transitions.
[2023-12-23 16:37:57,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-23 16:37:57,639 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 232
[2023-12-23 16:37:57,641 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 16:37:57,645 INFO  L225             Difference]: With dead ends: 434
[2023-12-23 16:37:57,645 INFO  L226             Difference]: Without dead ends: 259
[2023-12-23 16:37:57,646 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2023-12-23 16:37:57,648 INFO  L413           NwaCegarLoop]: 96 mSDtfsCounter, 84 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-23 16:37:57,649 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 320 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-23 16:37:57,651 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 259 states.
[2023-12-23 16:37:57,689 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 250.
[2023-12-23 16:37:57,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 250 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 131 states have internal predecessors, (167), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114)
[2023-12-23 16:37:57,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 395 transitions.
[2023-12-23 16:37:57,694 INFO  L78                 Accepts]: Start accepts. Automaton has 250 states and 395 transitions. Word has length 232
[2023-12-23 16:37:57,694 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 16:37:57,695 INFO  L495      AbstractCegarLoop]: Abstraction has 250 states and 395 transitions.
[2023-12-23 16:37:57,695 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38)
[2023-12-23 16:37:57,695 INFO  L276                IsEmpty]: Start isEmpty. Operand 250 states and 395 transitions.
[2023-12-23 16:37:57,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2023-12-23 16:37:57,698 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 16:37:57,698 INFO  L195           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 16:37:57,720 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 (4)] Ended with exit code 0
[2023-12-23 16:37:57,923 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0
[2023-12-23 16:37:58,109 WARN  L477      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=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2023-12-23 16:37:58,109 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 16:37:58,110 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 16:37:58,110 INFO  L85        PathProgramCache]: Analyzing trace with hash -2022911991, now seen corresponding path program 1 times
[2023-12-23 16:37:58,110 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 16:37:58,112 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556816981]
[2023-12-23 16:37:58,112 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 16:37:58,112 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
[2023-12-23 16:37:58,112 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 16:37:58,122 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 16:37:58,126 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-23 16:37:58,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 16:37:58,288 INFO  L262         TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-12-23 16:37:58,292 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 16:37:59,697 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 1233 proven. 33 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked.
[2023-12-23 16:37:59,697 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 16:37:59,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked.
[2023-12-23 16:37:59,962 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 16:37:59,963 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556816981]
[2023-12-23 16:37:59,963 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556816981] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-23 16:37:59,963 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-23 16:37:59,963 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10
[2023-12-23 16:37:59,963 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79651005]
[2023-12-23 16:37:59,963 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 16:37:59,963 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-23 16:37:59,963 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 16:37:59,964 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-23 16:37:59,964 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2023-12-23 16:37:59,964 INFO  L87              Difference]: Start difference. First operand 250 states and 395 transitions. Second operand  has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2023-12-23 16:38:00,644 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 16:38:00,644 INFO  L93              Difference]: Finished difference Result 821 states and 1296 transitions.
[2023-12-23 16:38:00,645 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-23 16:38:00,645 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 232
[2023-12-23 16:38:00,645 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 16:38:00,649 INFO  L225             Difference]: With dead ends: 821
[2023-12-23 16:38:00,649 INFO  L226             Difference]: Without dead ends: 646
[2023-12-23 16:38:00,649 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2023-12-23 16:38:00,650 INFO  L413           NwaCegarLoop]: 293 mSDtfsCounter, 352 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-23 16:38:00,650 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 606 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-23 16:38:00,651 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 646 states.
[2023-12-23 16:38:00,684 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 398.
[2023-12-23 16:38:00,685 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 398 states, 225 states have (on average 1.3244444444444445) internal successors, (298), 227 states have internal predecessors, (298), 166 states have call successors, (166), 6 states have call predecessors, (166), 6 states have return successors, (166), 164 states have call predecessors, (166), 166 states have call successors, (166)
[2023-12-23 16:38:00,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 630 transitions.
[2023-12-23 16:38:00,687 INFO  L78                 Accepts]: Start accepts. Automaton has 398 states and 630 transitions. Word has length 232
[2023-12-23 16:38:00,688 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 16:38:00,688 INFO  L495      AbstractCegarLoop]: Abstraction has 398 states and 630 transitions.
[2023-12-23 16:38:00,688 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38)
[2023-12-23 16:38:00,688 INFO  L276                IsEmpty]: Start isEmpty. Operand 398 states and 630 transitions.
[2023-12-23 16:38:00,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2023-12-23 16:38:00,689 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 16:38:00,690 INFO  L195           NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 16:38:00,711 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 (6)] Forceful destruction successful, exit code 0
[2023-12-23 16:38:00,912 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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
[2023-12-23 16:38:00,912 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 16:38:00,912 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 16:38:00,913 INFO  L85        PathProgramCache]: Analyzing trace with hash 277910599, now seen corresponding path program 1 times
[2023-12-23 16:38:00,913 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 16:38:00,913 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955742343]
[2023-12-23 16:38:00,913 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 16:38:00,913 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
[2023-12-23 16:38:00,913 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 16:38:00,914 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 16:38:00,916 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2023-12-23 16:38:02,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 16:38:02,033 INFO  L262         TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 39 conjunts are in the unsatisfiable core
[2023-12-23 16:38:02,039 INFO  L285         TraceCheckSpWp]: Computing forward predicates...