/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 10:11:25,087 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 10:11:25,146 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 10:11:25,150 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 10:11:25,150 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 10:11:25,170 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 10:11:25,171 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 10:11:25,171 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 10:11:25,172 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 10:11:25,175 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 10:11:25,175 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 10:11:25,175 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 10:11:25,175 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 10:11:25,176 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 10:11:25,176 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 10:11:25,177 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 10:11:25,177 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 10:11:25,177 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 10:11:25,178 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 10:11:25,178 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 10:11:25,178 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 10:11:25,179 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 10:11:25,179 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 10:11:25,179 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 10:11:25,179 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 10:11:25,179 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 10:11:25,180 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 10:11:25,180 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 10:11:25,180 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 10:11:25,180 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 10:11:25,181 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 10:11:25,181 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 10:11:25,181 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 10:11:25,181 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 10:11:25,181 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 10:11:25,182 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 10:11:25,182 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 10:11:25,182 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 10:11:25,182 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 10:11:25,182 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 10:11:25,182 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 10:11:25,183 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 10:11:25,183 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 10:11:25,183 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 10:11:25,183 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 10:11:25,184 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 10:11:25,184 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 10:11:25,361 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 10:11:25,377 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 10:11:25,379 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 10:11:25,380 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 10:11:25,380 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 10:11:25,381 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i
[2023-12-23 10:11:26,342 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 10:11:26,550 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 10:11:26,550 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i
[2023-12-23 10:11:26,560 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f166d7b0/e854150fcc034808a5bb753a5161c21d/FLAG8cc6988d2
[2023-12-23 10:11:26,575 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f166d7b0/e854150fcc034808a5bb753a5161c21d
[2023-12-23 10:11:26,577 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 10:11:26,579 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 10:11:26,580 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 10:11:26,581 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 10:11:26,584 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 10:11:26,584 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,585 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b54f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26, skipping insertion in model container
[2023-12-23 10:11:26,585 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,617 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 10:11:26,705 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i[919,932]
[2023-12-23 10:11:26,752 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 10:11:26,762 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 10:11:26,770 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i[919,932]
[2023-12-23 10:11:26,809 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 10:11:26,825 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 10:11:26,826 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26 WrapperNode
[2023-12-23 10:11:26,826 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 10:11:26,827 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 10:11:26,827 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 10:11:26,827 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 10:11:26,831 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,840 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,861 INFO  L138                Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221
[2023-12-23 10:11:26,867 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 10:11:26,868 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 10:11:26,868 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 10:11:26,868 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 10:11:26,881 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,881 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,884 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,893 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 10:11:26,894 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,894 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,906 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,931 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,942 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,943 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,945 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 10:11:26,946 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 10:11:26,946 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 10:11:26,946 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 10:11:26,947 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (1/1) ...
[2023-12-23 10:11:26,950 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 10:11:26,969 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 10:11:26,980 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 10:11:26,981 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 10:11:27,000 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 10:11:27,000 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 10:11:27,000 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 10:11:27,000 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 10:11:27,000 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 10:11:27,001 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 10:11:27,064 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 10:11:27,066 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 10:11:27,684 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 10:11:27,720 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 10:11:27,721 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 10:11:27,721 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:11:27 BoogieIcfgContainer
[2023-12-23 10:11:27,721 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 10:11:27,723 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 10:11:27,723 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 10:11:27,725 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 10:11:27,725 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:11:26" (1/3) ...
[2023-12-23 10:11:27,725 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a968c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:11:27, skipping insertion in model container
[2023-12-23 10:11:27,726 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:11:26" (2/3) ...
[2023-12-23 10:11:27,726 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a968c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:11:27, skipping insertion in model container
[2023-12-23 10:11:27,726 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:11:27" (3/3) ...
[2023-12-23 10:11:27,727 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-84.i
[2023-12-23 10:11:27,758 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 10:11:27,758 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 10:11:27,793 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 10:11:27,798 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;@5f169dbe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 10:11:27,798 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 10:11:27,801 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 99 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 10:11:27,827 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2023-12-23 10:11:27,827 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 10:11:27,828 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:27,830 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 10:11:27,834 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 10:11:27,835 INFO  L85        PathProgramCache]: Analyzing trace with hash -840299724, now seen corresponding path program 1 times
[2023-12-23 10:11:27,845 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 10:11:27,845 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536345534]
[2023-12-23 10:11:27,845 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 10:11:27,848 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 10:11:27,848 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 10:11:27,853 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 10:11:27,892 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 10:11:28,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 10:11:28,153 INFO  L262         TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 10:11:28,163 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 10:11:28,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 2610 trivial. 0 not checked.
[2023-12-23 10:11:28,225 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 10:11:28,225 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 10:11:28,225 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536345534]
[2023-12-23 10:11:28,226 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536345534] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 10:11:28,226 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 10:11:28,226 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 10:11:28,227 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970217332]
[2023-12-23 10:11:28,228 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 10:11:28,232 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 10:11:28,232 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 10:11:28,258 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 10:11:28,258 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 10:11:28,260 INFO  L87              Difference]: Start difference. First operand  has 99 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-23 10:11:28,348 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 10:11:28,349 INFO  L93              Difference]: Finished difference Result 195 states and 360 transitions.
[2023-12-23 10:11:28,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 10:11:28,358 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 244
[2023-12-23 10:11:28,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 10:11:28,363 INFO  L225             Difference]: With dead ends: 195
[2023-12-23 10:11:28,363 INFO  L226             Difference]: Without dead ends: 97
[2023-12-23 10:11:28,366 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 243 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 10:11:28,368 INFO  L413           NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-23 10:11:28,369 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-23 10:11:28,378 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2023-12-23 10:11:28,396 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2023-12-23 10:11:28,397 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 10:11:28,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 156 transitions.
[2023-12-23 10:11:28,399 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 156 transitions. Word has length 244
[2023-12-23 10:11:28,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 10:11:28,399 INFO  L495      AbstractCegarLoop]: Abstraction has 97 states and 156 transitions.
[2023-12-23 10:11:28,399 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)
[2023-12-23 10:11:28,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions.
[2023-12-23 10:11:28,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2023-12-23 10:11:28,403 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 10:11:28,403 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:28,416 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 10:11:28,616 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 10:11:28,616 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 10:11:28,617 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 10:11:28,617 INFO  L85        PathProgramCache]: Analyzing trace with hash 397359932, now seen corresponding path program 1 times
[2023-12-23 10:11:28,618 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 10:11:28,618 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675683917]
[2023-12-23 10:11:28,618 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 10:11:28,618 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 10:11:28,619 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 10:11:28,620 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 10:11:28,621 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 10:11:28,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 10:11:28,861 INFO  L262         TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 10:11:28,867 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 10:11:28,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 10:11:28,894 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 10:11:28,894 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 10:11:28,894 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675683917]
[2023-12-23 10:11:28,894 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675683917] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 10:11:28,894 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 10:11:28,894 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 10:11:28,894 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000673854]
[2023-12-23 10:11:28,894 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 10:11:28,896 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 10:11:28,896 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 10:11:28,896 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 10:11:28,896 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 10:11:28,897 INFO  L87              Difference]: Start difference. First operand 97 states and 156 transitions. Second operand  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 10:11:28,992 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 10:11:28,992 INFO  L93              Difference]: Finished difference Result 283 states and 454 transitions.
[2023-12-23 10:11:28,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 10:11:28,993 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 244
[2023-12-23 10:11:28,994 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 10:11:28,997 INFO  L225             Difference]: With dead ends: 283
[2023-12-23 10:11:28,997 INFO  L226             Difference]: Without dead ends: 187
[2023-12-23 10:11:28,998 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 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 10:11:28,999 INFO  L413           NwaCegarLoop]: 275 mSDtfsCounter, 138 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 10:11:28,999 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 413 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 10:11:29,000 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2023-12-23 10:11:29,018 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 109.
[2023-12-23 10:11:29,019 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 10:11:29,020 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 173 transitions.
[2023-12-23 10:11:29,020 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 173 transitions. Word has length 244
[2023-12-23 10:11:29,022 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 10:11:29,022 INFO  L495      AbstractCegarLoop]: Abstraction has 109 states and 173 transitions.
[2023-12-23 10:11:29,022 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 10:11:29,022 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions.
[2023-12-23 10:11:29,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 245
[2023-12-23 10:11:29,025 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 10:11:29,025 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:29,037 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 10:11:29,235 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 10:11:29,235 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 10:11:29,236 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 10:11:29,236 INFO  L85        PathProgramCache]: Analyzing trace with hash -623708422, now seen corresponding path program 1 times
[2023-12-23 10:11:29,237 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 10:11:29,237 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467349582]
[2023-12-23 10:11:29,237 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 10:11:29,237 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 10:11:29,237 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 10:11:29,238 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 10:11:29,264 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 10:11:29,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 10:11:29,471 INFO  L262         TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 10:11:29,476 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 10:11:29,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked.
[2023-12-23 10:11:29,503 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 10:11:29,503 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 10:11:29,506 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467349582]
[2023-12-23 10:11:29,507 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467349582] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 10:11:29,507 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 10:11:29,509 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 10:11:29,513 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67157080]
[2023-12-23 10:11:29,513 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 10:11:29,513 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 10:11:29,514 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 10:11:29,514 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 10:11:29,514 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 10:11:29,515 INFO  L87              Difference]: Start difference. First operand 109 states and 173 transitions. Second operand  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 10:11:29,605 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 10:11:29,605 INFO  L93              Difference]: Finished difference Result 202 states and 322 transitions.
[2023-12-23 10:11:29,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 10:11:29,616 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 244
[2023-12-23 10:11:29,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 10:11:29,618 INFO  L225             Difference]: With dead ends: 202
[2023-12-23 10:11:29,618 INFO  L226             Difference]: Without dead ends: 94
[2023-12-23 10:11:29,618 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 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 10:11:29,619 INFO  L413           NwaCegarLoop]: 139 mSDtfsCounter, 137 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-23 10:11:29,619 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 139 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 10:11:29,620 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-12-23 10:11:29,627 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2023-12-23 10:11:29,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40)
[2023-12-23 10:11:29,628 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions.
[2023-12-23 10:11:29,628 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 244
[2023-12-23 10:11:29,629 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 10:11:29,629 INFO  L495      AbstractCegarLoop]: Abstraction has 94 states and 146 transitions.
[2023-12-23 10:11:29,629 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40)
[2023-12-23 10:11:29,629 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions.
[2023-12-23 10:11:29,631 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 246
[2023-12-23 10:11:29,631 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 10:11:29,631 INFO  L195           NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:11:29,643 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 10:11:29,841 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
[2023-12-23 10:11:29,841 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 10:11:29,842 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 10:11:29,842 INFO  L85        PathProgramCache]: Analyzing trace with hash 2129102734, now seen corresponding path program 1 times
[2023-12-23 10:11:29,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 10:11:29,843 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897985594]
[2023-12-23 10:11:29,843 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 10:11:29,843 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 10:11:29,843 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 10:11:29,845 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 10:11:29,846 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 (5)] Waiting until timeout for monitored process
[2023-12-23 10:11:30,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 10:11:30,131 INFO  L262         TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-23 10:11:30,138 INFO  L285         TraceCheckSpWp]: Computing forward predicates...