/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_fillercodesize_ps-cn-100_file-50.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 00:17:41,829 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 00:17:41,890 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 00:17:41,895 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 00:17:41,896 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 00:17:41,922 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 00:17:41,923 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 00:17:41,923 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 00:17:41,924 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 00:17:41,926 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 00:17:41,927 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 00:17:41,927 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 00:17:41,927 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 00:17:41,928 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 00:17:41,928 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 00:17:41,929 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 00:17:41,929 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 00:17:41,929 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 00:17:41,929 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 00:17:41,929 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 00:17:41,929 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 00:17:41,930 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 00:17:41,930 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 00:17:41,930 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 00:17:41,930 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 00:17:41,930 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 00:17:41,930 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 00:17:41,930 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 00:17:41,931 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 00:17:41,931 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 00:17:41,931 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 00:17:41,931 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:17:41,932 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 00:17:41,932 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 00:17:41,933 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 00:17:41,933 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 00:17:41,933 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 00:17:41,933 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 00:17:41,933 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 00:17:41,933 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 00:17:42,111 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 00:17:42,125 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 00:17:42,127 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 00:17:42,128 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 00:17:42,128 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 00:17:42,129 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-50.i
[2023-12-23 00:17:43,192 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 00:17:43,384 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 00:17:43,385 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-50.i
[2023-12-23 00:17:43,395 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94580c615/3defd2962fd3444a929df4e28cb32c61/FLAGb915fe816
[2023-12-23 00:17:43,409 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94580c615/3defd2962fd3444a929df4e28cb32c61
[2023-12-23 00:17:43,411 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 00:17:43,413 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 00:17:43,415 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 00:17:43,415 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 00:17:43,418 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 00:17:43,419 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,420 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76daa71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43, skipping insertion in model container
[2023-12-23 00:17:43,420 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,458 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 00:17:43,556 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_fillercodesize_ps-cn-100_file-50.i[916,929]
[2023-12-23 00:17:43,619 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:17:43,636 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 00:17:43,644 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_fillercodesize_ps-cn-100_file-50.i[916,929]
[2023-12-23 00:17:43,678 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:17:43,692 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 00:17:43,692 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43 WrapperNode
[2023-12-23 00:17:43,692 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 00:17:43,694 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 00:17:43,694 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 00:17:43,694 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 00:17:43,699 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,721 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,747 INFO  L138                Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 295
[2023-12-23 00:17:43,748 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 00:17:43,748 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 00:17:43,748 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 00:17:43,748 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 00:17:43,758 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,759 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,774 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,788 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 00:17:43,789 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,789 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,813 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,816 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,818 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,819 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,823 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 00:17:43,823 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 00:17:43,824 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 00:17:43,824 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 00:17:43,840 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (1/1) ...
[2023-12-23 00:17:43,844 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:17:43,856 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 00:17:43,900 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 00:17:43,935 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 00:17:43,946 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 00:17:43,946 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 00:17:43,947 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 00:17:43,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 00:17:43,947 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 00:17:43,947 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 00:17:44,053 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 00:17:44,055 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 00:17:45,565 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 00:17:45,595 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 00:17:45,595 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 00:17:45,596 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:17:45 BoogieIcfgContainer
[2023-12-23 00:17:45,596 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 00:17:45,597 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 00:17:45,597 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 00:17:45,600 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 00:17:45,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:17:43" (1/3) ...
[2023-12-23 00:17:45,601 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1fa8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:17:45, skipping insertion in model container
[2023-12-23 00:17:45,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:17:43" (2/3) ...
[2023-12-23 00:17:45,601 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1fa8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:17:45, skipping insertion in model container
[2023-12-23 00:17:45,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:17:45" (3/3) ...
[2023-12-23 00:17:45,602 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-50.i
[2023-12-23 00:17:45,615 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 00:17:45,615 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 00:17:45,648 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 00:17:45,654 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;@37245b3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 00:17:45,655 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 00:17:45,660 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 131 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2023-12-23 00:17:45,685 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 336
[2023-12-23 00:17:45,685 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:17:45,686 INFO  L195           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:17:45,687 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:17:45,691 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:17:45,692 INFO  L85        PathProgramCache]: Analyzing trace with hash -478723836, now seen corresponding path program 1 times
[2023-12-23 00:17:45,705 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:17:45,705 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136701995]
[2023-12-23 00:17:45,706 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:17:45,706 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 00:17:45,707 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:17:45,709 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 00:17:45,724 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 00:17:46,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:17:46,196 INFO  L262         TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 00:17:46,209 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:17:46,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 1766 proven. 0 refuted. 0 times theorem prover too weak. 4394 trivial. 0 not checked.
[2023-12-23 00:17:46,260 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:17:46,261 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:17:46,261 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136701995]
[2023-12-23 00:17:46,261 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136701995] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:17:46,262 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:17:46,262 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:17:46,263 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824201974]
[2023-12-23 00:17:46,263 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:17:46,267 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 00:17:46,267 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:17:46,287 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 00:17:46,287 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:17:46,289 INFO  L87              Difference]: Start difference. First operand  has 131 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand  has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2023-12-23 00:17:46,471 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:17:46,471 INFO  L93              Difference]: Finished difference Result 257 states and 482 transitions.
[2023-12-23 00:17:46,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 00:17:46,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 335
[2023-12-23 00:17:46,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:17:46,490 INFO  L225             Difference]: With dead ends: 257
[2023-12-23 00:17:46,490 INFO  L226             Difference]: Without dead ends: 127
[2023-12-23 00:17:46,494 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 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 00:17:46,496 INFO  L413           NwaCegarLoop]: 203 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 00:17:46,497 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 00:17:46,508 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2023-12-23 00:17:46,534 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127.
[2023-12-23 00:17:46,535 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 127 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56)
[2023-12-23 00:17:46,537 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 206 transitions.
[2023-12-23 00:17:46,538 INFO  L78                 Accepts]: Start accepts. Automaton has 127 states and 206 transitions. Word has length 335
[2023-12-23 00:17:46,540 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:17:46,540 INFO  L495      AbstractCegarLoop]: Abstraction has 127 states and 206 transitions.
[2023-12-23 00:17:46,540 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56)
[2023-12-23 00:17:46,540 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions.
[2023-12-23 00:17:46,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 336
[2023-12-23 00:17:46,546 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:17:46,546 INFO  L195           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:17:46,560 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 00:17:46,760 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 00:17:46,763 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:17:46,764 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:17:46,764 INFO  L85        PathProgramCache]: Analyzing trace with hash -1141676668, now seen corresponding path program 1 times
[2023-12-23 00:17:46,765 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:17:46,765 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835145488]
[2023-12-23 00:17:46,765 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:17:46,765 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 00:17:46,765 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:17:46,767 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 00:17:46,769 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 00:17:47,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:17:47,238 INFO  L262         TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 00:17:47,246 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:17:48,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked.
[2023-12-23 00:17:48,211 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:17:48,211 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:17:48,211 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835145488]
[2023-12-23 00:17:48,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835145488] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:17:48,211 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:17:48,211 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:17:48,211 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786314161]
[2023-12-23 00:17:48,212 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:17:48,213 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 00:17:48,213 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:17:48,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 00:17:48,214 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 00:17:48,214 INFO  L87              Difference]: Start difference. First operand 127 states and 206 transitions. Second operand  has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56)
[2023-12-23 00:17:49,586 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:17:49,587 INFO  L93              Difference]: Finished difference Result 379 states and 616 transitions.
[2023-12-23 00:17:49,587 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 00:17:49,588 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 335
[2023-12-23 00:17:49,589 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:17:49,591 INFO  L225             Difference]: With dead ends: 379
[2023-12-23 00:17:49,591 INFO  L226             Difference]: Without dead ends: 253
[2023-12-23 00:17:49,592 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 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 00:17:49,593 INFO  L413           NwaCegarLoop]: 190 mSDtfsCounter, 50 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2023-12-23 00:17:49,593 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 377 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2023-12-23 00:17:49,594 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 253 states.
[2023-12-23 00:17:49,623 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 251.
[2023-12-23 00:17:49,624 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 251 states, 136 states have (on average 1.3529411764705883) internal successors, (184), 136 states have internal predecessors, (184), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112)
[2023-12-23 00:17:49,626 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 408 transitions.
[2023-12-23 00:17:49,626 INFO  L78                 Accepts]: Start accepts. Automaton has 251 states and 408 transitions. Word has length 335
[2023-12-23 00:17:49,627 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:17:49,627 INFO  L495      AbstractCegarLoop]: Abstraction has 251 states and 408 transitions.
[2023-12-23 00:17:49,627 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56)
[2023-12-23 00:17:49,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 251 states and 408 transitions.
[2023-12-23 00:17:49,631 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 336
[2023-12-23 00:17:49,631 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:17:49,631 INFO  L195           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:17:49,650 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-23 00:17:49,850 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 00:17:49,850 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:17:49,851 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:17:49,851 INFO  L85        PathProgramCache]: Analyzing trace with hash 1564942726, now seen corresponding path program 1 times
[2023-12-23 00:17:49,852 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:17:49,852 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781876381]
[2023-12-23 00:17:49,852 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:17:49,852 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 00:17:49,853 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:17:49,853 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 00:17:49,855 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 00:17:50,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:17:50,368 INFO  L262         TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 00:17:50,374 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:17:50,451 INFO  L134       CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked.
[2023-12-23 00:17:50,452 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:17:50,452 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:17:50,452 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781876381]
[2023-12-23 00:17:50,452 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781876381] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:17:50,452 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:17:50,452 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 00:17:50,452 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542206767]
[2023-12-23 00:17:50,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:17:50,453 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 00:17:50,453 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:17:50,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 00:17:50,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 00:17:50,454 INFO  L87              Difference]: Start difference. First operand 251 states and 408 transitions. Second operand  has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56)
[2023-12-23 00:17:50,819 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:17:50,819 INFO  L93              Difference]: Finished difference Result 629 states and 1027 transitions.
[2023-12-23 00:17:50,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 00:17:50,820 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 335
[2023-12-23 00:17:50,821 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:17:50,823 INFO  L225             Difference]: With dead ends: 629
[2023-12-23 00:17:50,823 INFO  L226             Difference]: Without dead ends: 379
[2023-12-23 00:17:50,824 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-23 00:17:50,825 INFO  L413           NwaCegarLoop]: 385 mSDtfsCounter, 208 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-23 00:17:50,825 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 946 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-23 00:17:50,826 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 379 states.
[2023-12-23 00:17:50,909 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 251.
[2023-12-23 00:17:50,911 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 251 states, 136 states have (on average 1.338235294117647) internal successors, (182), 136 states have internal predecessors, (182), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112)
[2023-12-23 00:17:50,913 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 406 transitions.
[2023-12-23 00:17:50,914 INFO  L78                 Accepts]: Start accepts. Automaton has 251 states and 406 transitions. Word has length 335
[2023-12-23 00:17:50,915 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:17:50,915 INFO  L495      AbstractCegarLoop]: Abstraction has 251 states and 406 transitions.
[2023-12-23 00:17:50,915 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56)
[2023-12-23 00:17:50,915 INFO  L276                IsEmpty]: Start isEmpty. Operand 251 states and 406 transitions.
[2023-12-23 00:17:50,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 336
[2023-12-23 00:17:50,919 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:17:50,919 INFO  L195           NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:17:50,936 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
[2023-12-23 00:17:51,136 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
[2023-12-23 00:17:51,137 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:17:51,138 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:17:51,138 INFO  L85        PathProgramCache]: Analyzing trace with hash 1622201028, now seen corresponding path program 1 times
[2023-12-23 00:17:51,139 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:17:51,139 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532975671]
[2023-12-23 00:17:51,139 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:17:51,139 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 00:17:51,139 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:17:51,140 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)
[2023-12-23 00:17:51,185 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
[2023-12-23 00:17:51,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:17:51,673 INFO  L262         TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-23 00:17:51,681 INFO  L285         TraceCheckSpWp]: Computing forward predicates...