/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-250_file-92.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 03:07:08,657 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 03:07:08,713 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 03:07:08,717 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 03:07:08,718 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 03:07:08,744 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 03:07:08,744 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 03:07:08,745 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 03:07:08,745 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 03:07:08,748 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 03:07:08,748 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 03:07:08,748 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 03:07:08,748 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 03:07:08,750 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 03:07:08,750 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 03:07:08,750 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 03:07:08,750 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 03:07:08,750 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 03:07:08,751 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 03:07:08,751 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 03:07:08,752 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 03:07:08,752 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 03:07:08,752 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 03:07:08,752 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 03:07:08,752 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 03:07:08,752 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 03:07:08,753 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 03:07:08,753 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 03:07:08,753 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 03:07:08,753 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 03:07:08,754 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 03:07:08,754 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 03:07:08,754 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 03:07:08,754 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 03:07:08,754 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 03:07:08,754 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 03:07:08,754 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 03:07:08,754 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 03:07:08,755 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 03:07:08,756 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 03:07:08,946 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 03:07:08,964 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 03:07:08,967 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 03:07:08,967 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 03:07:08,968 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 03:07:08,969 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i
[2023-12-23 03:07:09,927 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 03:07:10,134 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 03:07:10,134 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i
[2023-12-23 03:07:10,143 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8929369c6/f93b1bc7554943c4af88ffdaeabc2bd7/FLAG66d8c8801
[2023-12-23 03:07:10,168 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8929369c6/f93b1bc7554943c4af88ffdaeabc2bd7
[2023-12-23 03:07:10,170 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 03:07:10,171 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 03:07:10,173 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 03:07:10,173 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 03:07:10,176 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 03:07:10,177 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,178 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379c9400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10, skipping insertion in model container
[2023-12-23 03:07:10,178 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,221 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 03:07:10,343 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-250_file-92.i[916,929]
[2023-12-23 03:07:10,477 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 03:07:10,493 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 03:07:10,502 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-250_file-92.i[916,929]
[2023-12-23 03:07:10,570 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 03:07:10,582 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 03:07:10,583 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10 WrapperNode
[2023-12-23 03:07:10,583 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 03:07:10,584 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 03:07:10,584 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 03:07:10,584 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 03:07:10,588 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,605 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,628 INFO  L138                Inliner]: procedures = 27, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 388
[2023-12-23 03:07:10,629 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 03:07:10,629 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 03:07:10,629 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 03:07:10,629 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 03:07:10,644 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,645 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,649 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,660 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 03:07:10,661 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,661 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,680 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,683 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,698 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,700 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,706 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 03:07:10,706 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 03:07:10,707 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 03:07:10,707 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 03:07:10,707 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (1/1) ...
[2023-12-23 03:07:10,712 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 03:07:10,721 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 03:07:10,736 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 03:07:10,752 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 03:07:10,766 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 03:07:10,766 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 03:07:10,766 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 03:07:10,767 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 03:07:10,767 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 03:07:10,767 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 03:07:10,864 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 03:07:10,867 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 03:07:23,909 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 03:07:23,951 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 03:07:23,951 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 03:07:23,951 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:07:23 BoogieIcfgContainer
[2023-12-23 03:07:23,951 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 03:07:23,953 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 03:07:23,953 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 03:07:23,955 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 03:07:23,955 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:07:10" (1/3) ...
[2023-12-23 03:07:23,964 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5169da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:07:23, skipping insertion in model container
[2023-12-23 03:07:23,964 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:07:10" (2/3) ...
[2023-12-23 03:07:23,964 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5169da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:07:23, skipping insertion in model container
[2023-12-23 03:07:23,965 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:07:23" (3/3) ...
[2023-12-23 03:07:23,966 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-92.i
[2023-12-23 03:07:23,978 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 03:07:23,979 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 03:07:24,025 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 03:07:24,029 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;@36caca84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 03:07:24,029 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 03:07:24,033 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 168 states, 107 states have (on average 1.588785046728972) internal successors, (170), 108 states have internal predecessors, (170), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2023-12-23 03:07:24,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 366
[2023-12-23 03:07:24,049 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 03:07:24,050 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:24,050 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 03:07:24,056 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 03:07:24,056 INFO  L85        PathProgramCache]: Analyzing trace with hash 771699526, now seen corresponding path program 1 times
[2023-12-23 03:07:24,069 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 03:07:24,069 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970932540]
[2023-12-23 03:07:24,070 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 03:07:24,072 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 03:07:24,072 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 03:07:24,074 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 03:07:24,076 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 03:07:24,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 03:07:24,641 INFO  L262         TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 03:07:24,652 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 03:07:24,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2023-12-23 03:07:24,794 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 03:07:24,794 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 03:07:24,795 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970932540]
[2023-12-23 03:07:24,795 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970932540] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 03:07:24,795 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 03:07:24,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 03:07:24,796 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927548172]
[2023-12-23 03:07:24,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 03:07:24,800 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 03:07:24,800 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 03:07:24,820 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 03:07:24,821 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 03:07:24,823 INFO  L87              Difference]: Start difference. First operand  has 168 states, 107 states have (on average 1.588785046728972) internal successors, (170), 108 states have internal predecessors, (170), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 03:07:27,773 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 03:07:28,491 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 03:07:28,491 INFO  L93              Difference]: Finished difference Result 442 states and 848 transitions.
[2023-12-23 03:07:28,492 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 03:07:28,494 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 365
[2023-12-23 03:07:28,495 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 03:07:28,502 INFO  L225             Difference]: With dead ends: 442
[2023-12-23 03:07:28,502 INFO  L226             Difference]: Without dead ends: 275
[2023-12-23 03:07:28,505 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 363 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 03:07:28,507 INFO  L413           NwaCegarLoop]: 350 mSDtfsCounter, 170 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time
[2023-12-23 03:07:28,508 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 603 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time]
[2023-12-23 03:07:28,519 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 275 states.
[2023-12-23 03:07:28,553 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272.
[2023-12-23 03:07:28,554 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 272 states, 181 states have (on average 1.5524861878453038) internal successors, (281), 182 states have internal predecessors, (281), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88)
[2023-12-23 03:07:28,556 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 457 transitions.
[2023-12-23 03:07:28,557 INFO  L78                 Accepts]: Start accepts. Automaton has 272 states and 457 transitions. Word has length 365
[2023-12-23 03:07:28,558 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 03:07:28,558 INFO  L495      AbstractCegarLoop]: Abstraction has 272 states and 457 transitions.
[2023-12-23 03:07:28,559 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 03:07:28,559 INFO  L276                IsEmpty]: Start isEmpty. Operand 272 states and 457 transitions.
[2023-12-23 03:07:28,564 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 366
[2023-12-23 03:07:28,564 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 03:07:28,565 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:28,593 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-23 03:07:28,765 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 03:07:28,766 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 03:07:28,766 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 03:07:28,767 INFO  L85        PathProgramCache]: Analyzing trace with hash 354209806, now seen corresponding path program 1 times
[2023-12-23 03:07:28,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 03:07:28,768 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302107766]
[2023-12-23 03:07:28,768 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 03:07:28,768 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 03:07:28,768 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 03:07:28,769 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 03:07:28,770 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 03:07:29,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 03:07:29,290 INFO  L262         TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 03:07:29,296 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 03:07:29,406 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2023-12-23 03:07:29,406 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 03:07:29,406 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 03:07:29,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302107766]
[2023-12-23 03:07:29,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302107766] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 03:07:29,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 03:07:29,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 03:07:29,407 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480687798]
[2023-12-23 03:07:29,407 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 03:07:29,408 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 03:07:29,409 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 03:07:29,410 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 03:07:29,410 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 03:07:29,410 INFO  L87              Difference]: Start difference. First operand 272 states and 457 transitions. Second operand  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 03:07:30,090 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 03:07:30,091 INFO  L93              Difference]: Finished difference Result 551 states and 920 transitions.
[2023-12-23 03:07:30,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 03:07:30,092 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 365
[2023-12-23 03:07:30,093 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 03:07:30,094 INFO  L225             Difference]: With dead ends: 551
[2023-12-23 03:07:30,094 INFO  L226             Difference]: Without dead ends: 280
[2023-12-23 03:07:30,095 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 363 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 03:07:30,096 INFO  L413           NwaCegarLoop]: 361 mSDtfsCounter, 178 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-12-23 03:07:30,096 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 610 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-12-23 03:07:30,097 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 280 states.
[2023-12-23 03:07:30,109 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 207.
[2023-12-23 03:07:30,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 207 states, 146 states have (on average 1.547945205479452) internal successors, (226), 146 states have internal predecessors, (226), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2023-12-23 03:07:30,110 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 342 transitions.
[2023-12-23 03:07:30,111 INFO  L78                 Accepts]: Start accepts. Automaton has 207 states and 342 transitions. Word has length 365
[2023-12-23 03:07:30,111 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 03:07:30,111 INFO  L495      AbstractCegarLoop]: Abstraction has 207 states and 342 transitions.
[2023-12-23 03:07:30,112 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 03:07:30,112 INFO  L276                IsEmpty]: Start isEmpty. Operand 207 states and 342 transitions.
[2023-12-23 03:07:30,128 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 366
[2023-12-23 03:07:30,128 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 03:07:30,128 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:30,161 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 03:07:30,343 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 03:07:30,343 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 03:07:30,344 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 03:07:30,344 INFO  L85        PathProgramCache]: Analyzing trace with hash -1491157360, now seen corresponding path program 1 times
[2023-12-23 03:07:30,345 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 03:07:30,345 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035760211]
[2023-12-23 03:07:30,345 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 03:07:30,345 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 03:07:30,345 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 03:07:30,346 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 03:07:30,350 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 03:07:30,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 03:07:30,986 INFO  L262         TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-12-23 03:07:30,992 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 03:07:34,781 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 4230 proven. 216 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked.
[2023-12-23 03:07:34,782 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 03:07:35,462 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 03:07:35,463 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035760211]
[2023-12-23 03:07:35,463 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035760211] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-23 03:07:35,463 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1398420943]
[2023-12-23 03:07:35,463 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 03:07:35,463 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-23 03:07:35,463 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-23 03:07:35,501 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 03:07:35,519 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 03:07:37,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 03:07:37,475 INFO  L262         TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 03:07:37,480 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 03:07:39,991 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2023-12-23 03:07:39,991 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 03:07:39,991 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1398420943] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 03:07:39,991 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-23 03:07:39,992 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 16
[2023-12-23 03:07:39,992 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509659240]
[2023-12-23 03:07:39,992 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 03:07:39,992 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 03:07:39,992 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 03:07:39,993 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 03:07:39,993 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380
[2023-12-23 03:07:39,993 INFO  L87              Difference]: Start difference. First operand 207 states and 342 transitions. Second operand  has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 03:07:40,386 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 03:07:40,386 INFO  L93              Difference]: Finished difference Result 627 states and 1033 transitions.
[2023-12-23 03:07:40,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 03:07:40,389 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 365
[2023-12-23 03:07:40,389 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 03:07:40,391 INFO  L225             Difference]: With dead ends: 627
[2023-12-23 03:07:40,391 INFO  L226             Difference]: Without dead ends: 421
[2023-12-23 03:07:40,392 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420
[2023-12-23 03:07:40,393 INFO  L413           NwaCegarLoop]: 282 mSDtfsCounter, 257 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-23 03:07:40,393 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 832 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-23 03:07:40,394 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2023-12-23 03:07:40,417 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 411.
[2023-12-23 03:07:40,418 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 411 states, 290 states have (on average 1.5482758620689656) internal successors, (449), 290 states have internal predecessors, (449), 116 states have call successors, (116), 4 states have call predecessors, (116), 4 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116)
[2023-12-23 03:07:40,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 681 transitions.
[2023-12-23 03:07:40,420 INFO  L78                 Accepts]: Start accepts. Automaton has 411 states and 681 transitions. Word has length 365
[2023-12-23 03:07:40,420 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 03:07:40,420 INFO  L495      AbstractCegarLoop]: Abstraction has 411 states and 681 transitions.
[2023-12-23 03:07:40,421 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 03:07:40,421 INFO  L276                IsEmpty]: Start isEmpty. Operand 411 states and 681 transitions.
[2023-12-23 03:07:40,422 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 367
[2023-12-23 03:07:40,423 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 03:07:40,423 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:07:40,444 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 03:07:40,657 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0
[2023-12-23 03:07:40,841 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 03:07:40,842 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 03:07:40,842 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 03:07:40,842 INFO  L85        PathProgramCache]: Analyzing trace with hash 975103068, now seen corresponding path program 1 times
[2023-12-23 03:07:40,843 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 03:07:40,843 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952707635]
[2023-12-23 03:07:40,843 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 03:07:40,843 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 03:07:40,844 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 03:07:40,844 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 03:07:40,846 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 03:07:41,438 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 03:07:41,471 INFO  L262         TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-12-23 03:07:41,477 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 03:07:45,100 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 4230 proven. 216 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked.
[2023-12-23 03:07:45,100 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 03:07:45,668 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 03:07:45,668 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952707635]
[2023-12-23 03:07:45,668 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952707635] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-23 03:07:45,668 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [550798962]
[2023-12-23 03:07:45,668 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 03:07:45,669 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-23 03:07:45,669 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-23 03:07:45,670 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-23 03:07:45,684 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process
[2023-12-23 03:07:53,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 03:07:53,761 INFO  L262         TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 33 conjunts are in the unsatisfiable core
[2023-12-23 03:07:53,769 INFO  L285         TraceCheckSpWp]: Computing forward predicates...