/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_variablewrapping_normal_file-76.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-24 12:27:51,219 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-24 12:27:51,282 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-24 12:27:51,287 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-24 12:27:51,288 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-24 12:27:51,311 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-24 12:27:51,311 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-24 12:27:51,312 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-24 12:27:51,312 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-24 12:27:51,315 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-24 12:27:51,315 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-24 12:27:51,316 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-24 12:27:51,316 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-24 12:27:51,318 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-24 12:27:51,318 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-24 12:27:51,318 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-24 12:27:51,318 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-24 12:27:51,319 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-24 12:27:51,320 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-24 12:27:51,320 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-24 12:27:51,320 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-24 12:27:51,320 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-24 12:27:51,321 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-24 12:27:51,321 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-24 12:27:51,321 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-24 12:27:51,321 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-24 12:27:51,321 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-24 12:27:51,321 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-24 12:27:51,322 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-24 12:27:51,322 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-24 12:27:51,323 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-24 12:27:51,323 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-24 12:27:51,323 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-24 12:27:51,323 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-24 12:27:51,323 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 12:27:51,323 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-24 12:27:51,323 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-24 12:27:51,324 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-24 12:27:51,324 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-24 12:27:51,324 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-24 12:27:51,324 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-24 12:27:51,324 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-24 12:27:51,324 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-24 12:27:51,324 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-24 12:27:51,325 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-24 12:27:51,325 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-24 12:27:51,325 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-24 12:27:51,699 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-24 12:27:51,713 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-24 12:27:51,714 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-24 12:27:51,715 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-24 12:27:51,719 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-24 12:27:51,720 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-76.i
[2023-12-24 12:27:53,212 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-24 12:27:53,469 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-24 12:27:53,470 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_normal_file-76.i
[2023-12-24 12:27:53,484 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bbf8b35/014acbb5a3074e019776855091a591e5/FLAG0ebdc2e93
[2023-12-24 12:27:53,496 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40bbf8b35/014acbb5a3074e019776855091a591e5
[2023-12-24 12:27:53,498 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-24 12:27:53,501 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-24 12:27:53,516 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-24 12:27:53,516 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-24 12:27:53,519 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-24 12:27:53,520 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,521 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477dec23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53, skipping insertion in model container
[2023-12-24 12:27:53,521 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,572 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-24 12:27:53,780 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_variablewrapping_normal_file-76.i[913,926]
[2023-12-24 12:27:53,833 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 12:27:53,846 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-24 12:27:53,862 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_variablewrapping_normal_file-76.i[913,926]
[2023-12-24 12:27:53,885 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 12:27:53,901 INFO  L206         MainTranslator]: Completed translation
[2023-12-24 12:27:53,902 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53 WrapperNode
[2023-12-24 12:27:53,903 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-24 12:27:53,903 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-24 12:27:53,904 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-24 12:27:53,904 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-24 12:27:53,908 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,924 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,949 INFO  L138                Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106
[2023-12-24 12:27:53,949 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-24 12:27:53,950 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-24 12:27:53,950 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-24 12:27:53,950 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-24 12:27:53,957 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,958 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,960 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,975 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].
[2023-12-24 12:27:53,975 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,975 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,980 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,982 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,983 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:53,992 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:54,003 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-24 12:27:54,004 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-24 12:27:54,004 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-24 12:27:54,004 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-24 12:27:54,004 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (1/1) ...
[2023-12-24 12:27:54,014 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 12:27:54,028 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-24 12:27:54,055 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)
[2023-12-24 12:27:54,070 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
[2023-12-24 12:27:54,115 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-24 12:27:54,115 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-24 12:27:54,115 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-24 12:27:54,115 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-24 12:27:54,115 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-24 12:27:54,115 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-24 12:27:54,226 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-24 12:27:54,228 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-24 12:27:54,882 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-24 12:27:54,977 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-24 12:27:54,978 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-24 12:27:54,978 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 12:27:54 BoogieIcfgContainer
[2023-12-24 12:27:54,978 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-24 12:27:54,980 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-24 12:27:54,980 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-24 12:27:54,982 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-24 12:27:54,982 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 12:27:53" (1/3) ...
[2023-12-24 12:27:54,983 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e00ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 12:27:54, skipping insertion in model container
[2023-12-24 12:27:54,983 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 12:27:53" (2/3) ...
[2023-12-24 12:27:54,983 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e00ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 12:27:54, skipping insertion in model container
[2023-12-24 12:27:54,983 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 12:27:54" (3/3) ...
[2023-12-24 12:27:55,001 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-76.i
[2023-12-24 12:27:55,033 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-24 12:27:55,034 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-24 12:27:55,076 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-24 12:27:55,082 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;@73864f9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-24 12:27:55,082 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-24 12:27:55,085 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 45 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 28 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-12-24 12:27:55,096 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2023-12-24 12:27:55,096 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 12:27:55,097 INFO  L195           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 12:27:55,097 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 12:27:55,100 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 12:27:55,100 INFO  L85        PathProgramCache]: Analyzing trace with hash 726093493, now seen corresponding path program 1 times
[2023-12-24 12:27:55,116 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 12:27:55,117 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131857406]
[2023-12-24 12:27:55,117 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 12:27:55,120 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
[2023-12-24 12:27:55,120 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 12:27:55,122 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)
[2023-12-24 12:27:55,136 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
[2023-12-24 12:27:55,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 12:27:55,430 INFO  L262         TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-24 12:27:55,442 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 12:27:55,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-12-24 12:27:55,496 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 12:27:55,497 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 12:27:55,497 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131857406]
[2023-12-24 12:27:55,497 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131857406] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 12:27:55,498 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 12:27:55,498 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-24 12:27:55,499 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003131317]
[2023-12-24 12:27:55,499 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 12:27:55,502 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-24 12:27:55,502 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 12:27:55,582 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-24 12:27:55,583 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 12:27:55,593 INFO  L87              Difference]: Start difference. First operand  has 45 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 28 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-24 12:27:55,763 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 12:27:55,763 INFO  L93              Difference]: Finished difference Result 87 states and 153 transitions.
[2023-12-24 12:27:55,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-24 12:27:55,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 93
[2023-12-24 12:27:55,774 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 12:27:55,779 INFO  L225             Difference]: With dead ends: 87
[2023-12-24 12:27:55,779 INFO  L226             Difference]: Without dead ends: 43
[2023-12-24 12:27:55,781 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 12:27:55,784 INFO  L413           NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-24 12:27:55,795 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-24 12:27:55,820 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2023-12-24 12:27:55,844 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2023-12-24 12:27:55,846 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2023-12-24 12:27:55,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 64 transitions.
[2023-12-24 12:27:55,851 INFO  L78                 Accepts]: Start accepts. Automaton has 43 states and 64 transitions. Word has length 93
[2023-12-24 12:27:55,853 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 12:27:55,853 INFO  L495      AbstractCegarLoop]: Abstraction has 43 states and 64 transitions.
[2023-12-24 12:27:55,854 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-24 12:27:55,854 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions.
[2023-12-24 12:27:55,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2023-12-24 12:27:55,859 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 12:27:55,859 INFO  L195           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 12:27:55,870 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
[2023-12-24 12:27:56,068 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
[2023-12-24 12:27:56,069 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 12:27:56,070 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 12:27:56,071 INFO  L85        PathProgramCache]: Analyzing trace with hash 499233082, now seen corresponding path program 1 times
[2023-12-24 12:27:56,071 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 12:27:56,071 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207822946]
[2023-12-24 12:27:56,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 12:27:56,072 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
[2023-12-24 12:27:56,072 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 12:27:56,074 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)
[2023-12-24 12:27:56,110 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
[2023-12-24 12:27:56,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 12:27:56,271 INFO  L262         TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-24 12:27:56,275 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 12:27:56,482 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-12-24 12:27:56,483 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 12:27:56,483 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 12:27:56,483 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207822946]
[2023-12-24 12:27:56,483 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [207822946] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 12:27:56,483 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 12:27:56,483 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-24 12:27:56,483 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449963574]
[2023-12-24 12:27:56,484 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 12:27:56,484 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-24 12:27:56,485 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 12:27:56,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-24 12:27:56,485 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-24 12:27:56,486 INFO  L87              Difference]: Start difference. First operand 43 states and 64 transitions. Second operand  has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-24 12:27:56,950 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 12:27:56,951 INFO  L93              Difference]: Finished difference Result 138 states and 205 transitions.
[2023-12-24 12:27:56,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-24 12:27:56,960 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94
[2023-12-24 12:27:56,961 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 12:27:56,963 INFO  L225             Difference]: With dead ends: 138
[2023-12-24 12:27:56,963 INFO  L226             Difference]: Without dead ends: 96
[2023-12-24 12:27:56,964 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-12-24 12:27:56,964 INFO  L413           NwaCegarLoop]: 69 mSDtfsCounter, 65 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-12-24 12:27:56,965 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 201 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-12-24 12:27:56,966 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2023-12-24 12:27:56,980 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 83.
[2023-12-24 12:27:56,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2023-12-24 12:27:56,982 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 125 transitions.
[2023-12-24 12:27:56,982 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 125 transitions. Word has length 94
[2023-12-24 12:27:56,983 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 12:27:56,983 INFO  L495      AbstractCegarLoop]: Abstraction has 83 states and 125 transitions.
[2023-12-24 12:27:56,983 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-24 12:27:56,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 125 transitions.
[2023-12-24 12:27:56,986 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2023-12-24 12:27:56,986 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 12:27:56,986 INFO  L195           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 12:27:57,007 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
[2023-12-24 12:27:57,194 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
[2023-12-24 12:27:57,194 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 12:27:57,195 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 12:27:57,195 INFO  L85        PathProgramCache]: Analyzing trace with hash 1179291452, now seen corresponding path program 1 times
[2023-12-24 12:27:57,195 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 12:27:57,196 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015543747]
[2023-12-24 12:27:57,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 12:27:57,196 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
[2023-12-24 12:27:57,196 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 12:27:57,199 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)
[2023-12-24 12:27:57,249 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
[2023-12-24 12:27:57,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 12:27:57,379 INFO  L262         TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-24 12:27:57,382 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 12:27:57,410 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-12-24 12:27:57,411 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 12:27:57,411 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 12:27:57,414 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015543747]
[2023-12-24 12:27:57,415 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015543747] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 12:27:57,415 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 12:27:57,415 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-24 12:27:57,415 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649105412]
[2023-12-24 12:27:57,415 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 12:27:57,416 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-24 12:27:57,417 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 12:27:57,419 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-24 12:27:57,419 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-24 12:27:57,420 INFO  L87              Difference]: Start difference. First operand 83 states and 125 transitions. Second operand  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-24 12:27:57,698 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 12:27:57,698 INFO  L93              Difference]: Finished difference Result 165 states and 249 transitions.
[2023-12-24 12:27:57,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-24 12:27:57,711 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94
[2023-12-24 12:27:57,711 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 12:27:57,713 INFO  L225             Difference]: With dead ends: 165
[2023-12-24 12:27:57,713 INFO  L226             Difference]: Without dead ends: 83
[2023-12-24 12:27:57,714 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-24 12:27:57,714 INFO  L413           NwaCegarLoop]: 59 mSDtfsCounter, 7 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-24 12:27:57,715 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 108 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-24 12:27:57,715 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2023-12-24 12:27:57,755 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2023-12-24 12:27:57,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 50 states have (on average 1.26) internal successors, (63), 50 states have internal predecessors, (63), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2023-12-24 12:27:57,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 123 transitions.
[2023-12-24 12:27:57,756 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 123 transitions. Word has length 94
[2023-12-24 12:27:57,757 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 12:27:57,757 INFO  L495      AbstractCegarLoop]: Abstraction has 83 states and 123 transitions.
[2023-12-24 12:27:57,757 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15)
[2023-12-24 12:27:57,757 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 123 transitions.
[2023-12-24 12:27:57,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2023-12-24 12:27:57,758 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 12:27:57,758 INFO  L195           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 12:27:57,780 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
[2023-12-24 12:27:57,971 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
[2023-12-24 12:27:57,972 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 12:27:57,972 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 12:27:57,973 INFO  L85        PathProgramCache]: Analyzing trace with hash 1951682934, now seen corresponding path program 1 times
[2023-12-24 12:27:57,973 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 12:27:57,973 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983995071]
[2023-12-24 12:27:57,973 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 12:27:57,973 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
[2023-12-24 12:27:57,974 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 12:27:57,984 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)
[2023-12-24 12:27:57,987 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
[2023-12-24 12:27:58,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 12:27:58,216 INFO  L262         TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-24 12:27:58,219 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 12:27:58,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 204 proven. 27 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2023-12-24 12:27:58,766 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-24 12:27:58,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2023-12-24 12:27:58,937 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 12:27:58,939 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983995071]
[2023-12-24 12:27:58,939 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983995071] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-24 12:27:58,939 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-24 12:27:58,939 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2023-12-24 12:27:58,940 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63683231]
[2023-12-24 12:27:58,940 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-24 12:27:58,942 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-24 12:27:58,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 12:27:58,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-24 12:27:58,944 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-12-24 12:27:58,945 INFO  L87              Difference]: Start difference. First operand 83 states and 123 transitions. Second operand  has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2023-12-24 12:28:00,025 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 12:28:00,025 INFO  L93              Difference]: Finished difference Result 266 states and 374 transitions.
[2023-12-24 12:28:00,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2023-12-24 12:28:00,080 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 95
[2023-12-24 12:28:00,081 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 12:28:00,082 INFO  L225             Difference]: With dead ends: 266
[2023-12-24 12:28:00,082 INFO  L226             Difference]: Without dead ends: 184
[2023-12-24 12:28:00,083 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2023-12-24 12:28:00,084 INFO  L413           NwaCegarLoop]: 60 mSDtfsCounter, 148 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-12-24 12:28:00,084 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 149 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-12-24 12:28:00,085 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 184 states.
[2023-12-24 12:28:00,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 97.
[2023-12-24 12:28:00,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2023-12-24 12:28:00,103 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 132 transitions.
[2023-12-24 12:28:00,104 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 132 transitions. Word has length 95
[2023-12-24 12:28:00,104 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 12:28:00,104 INFO  L495      AbstractCegarLoop]: Abstraction has 97 states and 132 transitions.
[2023-12-24 12:28:00,104 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)
[2023-12-24 12:28:00,104 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 132 transitions.
[2023-12-24 12:28:00,105 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2023-12-24 12:28:00,105 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 12:28:00,105 INFO  L195           NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 12:28:00,134 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 (5)] Forceful destruction successful, exit code 0
[2023-12-24 12:28:00,317 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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
[2023-12-24 12:28:00,318 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 12:28:00,318 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 12:28:00,318 INFO  L85        PathProgramCache]: Analyzing trace with hash 1953529976, now seen corresponding path program 1 times
[2023-12-24 12:28:00,319 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 12:28:00,319 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384021559]
[2023-12-24 12:28:00,319 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 12:28:00,319 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
[2023-12-24 12:28:00,319 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 12:28:00,328 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)
[2023-12-24 12:28:00,329 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
[2023-12-24 12:28:00,571 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 12:28:00,587 INFO  L262         TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-12-24 12:28:00,591 INFO  L285         TraceCheckSpWp]: Computing forward predicates...