/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-68.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 00:29:55,025 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 00:29:55,086 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-23 00:29:55,091 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 00:29:55,091 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 00:29:55,118 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 00:29:55,118 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 00:29:55,119 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 00:29:55,119 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 00:29:55,122 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 00:29:55,122 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 00:29:55,123 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 00:29:55,123 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 00:29:55,124 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 00:29:55,124 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 00:29:55,124 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 00:29:55,125 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 00:29:55,125 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 00:29:55,125 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 00:29:55,125 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 00:29:55,125 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 00:29:55,126 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 00:29:55,126 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 00:29:55,126 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 00:29:55,127 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 00:29:55,127 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 00:29:55,127 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 00:29:55,127 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 00:29:55,127 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 00:29:55,127 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 00:29:55,128 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 00:29:55,128 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 00:29:55,128 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 00:29:55,128 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 00:29:55,128 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:29:55,129 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 00:29:55,129 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 00:29:55,129 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 00:29:55,129 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 00:29:55,129 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 00:29:55,129 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 00:29:55,129 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 00:29:55,130 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 00:29:55,130 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 00:29:55,130 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 00:29:55,130 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 00:29:55,130 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 00:29:55,328 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 00:29:55,350 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 00:29:55,352 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 00:29:55,352 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 00:29:55,353 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 00:29:55,354 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-68.i
[2023-12-23 00:29:56,508 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 00:29:56,694 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 00:29:56,695 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-68.i
[2023-12-23 00:29:56,713 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4ca2458/b3eba0b37572484c9978c2917fa72601/FLAG5094bf35c
[2023-12-23 00:29:56,723 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4ca2458/b3eba0b37572484c9978c2917fa72601
[2023-12-23 00:29:56,725 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 00:29:56,725 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 00:29:56,727 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 00:29:56,727 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 00:29:56,730 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 00:29:56,731 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:29:56" (1/1) ...
[2023-12-23 00:29:56,732 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3d3393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:56, skipping insertion in model container
[2023-12-23 00:29:56,732 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:29:56" (1/1) ...
[2023-12-23 00:29:56,768 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 00:29:56,859 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-68.i[916,929]
[2023-12-23 00:29:56,926 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:29:56,941 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 00:29:56,956 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-68.i[916,929]
[2023-12-23 00:29:56,992 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 00:29:57,005 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 00:29:57,006 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57 WrapperNode
[2023-12-23 00:29:57,006 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 00:29:57,007 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 00:29:57,007 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 00:29:57,007 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 00:29:57,011 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,022 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,046 INFO  L138                Inliner]: procedures = 27, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 265
[2023-12-23 00:29:57,047 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 00:29:57,047 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 00:29:57,047 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 00:29:57,047 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 00:29:57,059 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,060 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,064 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,074 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-23 00:29:57,074 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,074 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,083 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,086 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,089 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,090 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,093 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 00:29:57,094 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 00:29:57,094 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 00:29:57,094 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 00:29:57,095 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (1/1) ...
[2023-12-23 00:29:57,099 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 00:29:57,108 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 00:29:57,141 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-23 00:29:57,173 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-23 00:29:57,193 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 00:29:57,193 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 00:29:57,193 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 00:29:57,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 00:29:57,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 00:29:57,195 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 00:29:57,291 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 00:29:57,293 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 00:29:59,097 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 00:29:59,148 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 00:29:59,148 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 00:29:59,149 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:29:59 BoogieIcfgContainer
[2023-12-23 00:29:59,149 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 00:29:59,150 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 00:29:59,150 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 00:29:59,152 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 00:29:59,152 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:29:56" (1/3) ...
[2023-12-23 00:29:59,153 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62440343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:29:59, skipping insertion in model container
[2023-12-23 00:29:59,154 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:29:57" (2/3) ...
[2023-12-23 00:29:59,154 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62440343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:29:59, skipping insertion in model container
[2023-12-23 00:29:59,154 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:29:59" (3/3) ...
[2023-12-23 00:29:59,155 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-68.i
[2023-12-23 00:29:59,167 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 00:29:59,167 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 00:29:59,209 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 00:29:59,214 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;@4217b1f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 00:29:59,214 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 00:29:59,217 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 111 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-23 00:29:59,240 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2023-12-23 00:29:59,241 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:29:59,241 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:29:59,242 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:29:59,249 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:29:59,249 INFO  L85        PathProgramCache]: Analyzing trace with hash -1229580600, now seen corresponding path program 1 times
[2023-12-23 00:29:59,261 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:29:59,262 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187466669]
[2023-12-23 00:29:59,262 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:29:59,262 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:29:59,262 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:29:59,265 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 00:29:59,270 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-23 00:29:59,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:29:59,744 INFO  L262         TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 00:29:59,753 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:29:59,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 1474 proven. 0 refuted. 0 times theorem prover too weak. 1970 trivial. 0 not checked.
[2023-12-23 00:29:59,803 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:29:59,804 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:29:59,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187466669]
[2023-12-23 00:29:59,804 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [187466669] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:29:59,804 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:29:59,805 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 00:29:59,806 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933339050]
[2023-12-23 00:29:59,807 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:29:59,814 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 00:29:59,815 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:29:59,844 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 00:29:59,844 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:29:59,848 INFO  L87              Difference]: Start difference. First operand  has 111 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42)
[2023-12-23 00:30:00,123 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:30:00,123 INFO  L93              Difference]: Finished difference Result 219 states and 402 transitions.
[2023-12-23 00:30:00,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 00:30:00,136 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 261
[2023-12-23 00:30:00,136 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:30:00,141 INFO  L225             Difference]: With dead ends: 219
[2023-12-23 00:30:00,141 INFO  L226             Difference]: Without dead ends: 109
[2023-12-23 00:30:00,146 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 00:30:00,150 INFO  L413           NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 00:30:00,152 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 00:30:00,166 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2023-12-23 00:30:00,194 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2023-12-23 00:30:00,195 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 65 states have (on average 1.4153846153846155) internal successors, (92), 65 states have internal predecessors, (92), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-23 00:30:00,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 176 transitions.
[2023-12-23 00:30:00,198 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 176 transitions. Word has length 261
[2023-12-23 00:30:00,199 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:30:00,199 INFO  L495      AbstractCegarLoop]: Abstraction has 109 states and 176 transitions.
[2023-12-23 00:30:00,199 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42)
[2023-12-23 00:30:00,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 176 transitions.
[2023-12-23 00:30:00,213 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2023-12-23 00:30:00,214 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:30:00,214 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:30:00,251 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-23 00:30:00,452 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:30:00,453 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:30:00,453 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:30:00,454 INFO  L85        PathProgramCache]: Analyzing trace with hash 479037064, now seen corresponding path program 1 times
[2023-12-23 00:30:00,454 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:30:00,455 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464989445]
[2023-12-23 00:30:00,455 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:30:00,455 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:30:00,456 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:30:00,460 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 00:30:00,461 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-23 00:30:00,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:30:00,862 INFO  L262         TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-23 00:30:00,875 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:30:01,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 1383 proven. 90 refuted. 0 times theorem prover too weak. 1971 trivial. 0 not checked.
[2023-12-23 00:30:01,291 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 00:30:01,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 33 proven. 90 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked.
[2023-12-23 00:30:01,635 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:30:01,635 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464989445]
[2023-12-23 00:30:01,635 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464989445] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 00:30:01,635 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 00:30:01,635 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2023-12-23 00:30:01,635 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944343835]
[2023-12-23 00:30:01,636 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 00:30:01,637 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-23 00:30:01,637 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:30:01,638 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-23 00:30:01,639 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-23 00:30:01,639 INFO  L87              Difference]: Start difference. First operand 109 states and 176 transitions. Second operand  has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (72), 2 states have call predecessors, (72), 4 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73)
[2023-12-23 00:30:02,560 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:30:02,560 INFO  L93              Difference]: Finished difference Result 225 states and 358 transitions.
[2023-12-23 00:30:02,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-23 00:30:02,583 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (72), 2 states have call predecessors, (72), 4 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 261
[2023-12-23 00:30:02,585 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:30:02,586 INFO  L225             Difference]: With dead ends: 225
[2023-12-23 00:30:02,586 INFO  L226             Difference]: Without dead ends: 117
[2023-12-23 00:30:02,587 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 514 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2023-12-23 00:30:02,588 INFO  L413           NwaCegarLoop]: 125 mSDtfsCounter, 79 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2023-12-23 00:30:02,589 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 290 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2023-12-23 00:30:02,589 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2023-12-23 00:30:02,622 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113.
[2023-12-23 00:30:02,624 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 68 states have internal predecessors, (94), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-23 00:30:02,627 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 178 transitions.
[2023-12-23 00:30:02,627 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 178 transitions. Word has length 261
[2023-12-23 00:30:02,631 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:30:02,631 INFO  L495      AbstractCegarLoop]: Abstraction has 113 states and 178 transitions.
[2023-12-23 00:30:02,631 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (72), 2 states have call predecessors, (72), 4 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73)
[2023-12-23 00:30:02,631 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions.
[2023-12-23 00:30:02,636 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2023-12-23 00:30:02,636 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:30:02,637 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:30:02,653 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-23 00:30:02,856 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:30:02,858 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:30:02,858 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:30:02,858 INFO  L85        PathProgramCache]: Analyzing trace with hash -1209906678, now seen corresponding path program 1 times
[2023-12-23 00:30:02,859 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:30:02,859 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583057225]
[2023-12-23 00:30:02,859 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:30:02,860 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:30:02,860 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:30:02,867 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 00:30:02,868 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-23 00:30:03,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:30:03,400 INFO  L262         TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-12-23 00:30:03,406 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:30:03,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2023-12-23 00:30:03,817 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:30:03,817 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:30:03,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583057225]
[2023-12-23 00:30:03,818 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [583057225] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:30:03,818 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:30:03,818 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-12-23 00:30:03,818 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059935344]
[2023-12-23 00:30:03,818 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:30:03,819 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-23 00:30:03,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:30:03,820 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-23 00:30:03,820 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2023-12-23 00:30:03,820 INFO  L87              Difference]: Start difference. First operand 113 states and 178 transitions. Second operand  has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42)
[2023-12-23 00:30:06,763 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:30:06,764 INFO  L93              Difference]: Finished difference Result 465 states and 730 transitions.
[2023-12-23 00:30:06,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-12-23 00:30:06,777 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261
[2023-12-23 00:30:06,778 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:30:06,781 INFO  L225             Difference]: With dead ends: 465
[2023-12-23 00:30:06,781 INFO  L226             Difference]: Without dead ends: 353
[2023-12-23 00:30:06,782 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2023-12-23 00:30:06,783 INFO  L413           NwaCegarLoop]: 310 mSDtfsCounter, 402 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2023-12-23 00:30:06,783 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 900 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2023-12-23 00:30:06,784 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 353 states.
[2023-12-23 00:30:06,815 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 212.
[2023-12-23 00:30:06,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 212 states, 123 states have (on average 1.3658536585365855) internal successors, (168), 123 states have internal predecessors, (168), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84)
[2023-12-23 00:30:06,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 336 transitions.
[2023-12-23 00:30:06,817 INFO  L78                 Accepts]: Start accepts. Automaton has 212 states and 336 transitions. Word has length 261
[2023-12-23 00:30:06,817 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:30:06,817 INFO  L495      AbstractCegarLoop]: Abstraction has 212 states and 336 transitions.
[2023-12-23 00:30:06,818 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42)
[2023-12-23 00:30:06,818 INFO  L276                IsEmpty]: Start isEmpty. Operand 212 states and 336 transitions.
[2023-12-23 00:30:06,820 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2023-12-23 00:30:06,820 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:30:06,820 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:30:06,857 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-23 00:30:07,034 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:30:07,034 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:30:07,035 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:30:07,035 INFO  L85        PathProgramCache]: Analyzing trace with hash -1602933688, now seen corresponding path program 1 times
[2023-12-23 00:30:07,035 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:30:07,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777538858]
[2023-12-23 00:30:07,036 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:30:07,036 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:30:07,036 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:30:07,037 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 00:30:07,057 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-23 00:30:07,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:30:07,440 INFO  L262         TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 00:30:07,444 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:30:07,518 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2023-12-23 00:30:07,518 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 00:30:07,518 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:30:07,518 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777538858]
[2023-12-23 00:30:07,519 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777538858] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 00:30:07,519 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 00:30:07,519 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 00:30:07,519 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927350054]
[2023-12-23 00:30:07,519 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 00:30:07,520 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 00:30:07,520 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 00:30:07,520 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 00:30:07,520 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 00:30:07,521 INFO  L87              Difference]: Start difference. First operand 212 states and 336 transitions. Second operand  has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42)
[2023-12-23 00:30:07,816 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 00:30:07,816 INFO  L93              Difference]: Finished difference Result 324 states and 513 transitions.
[2023-12-23 00:30:07,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 00:30:07,827 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261
[2023-12-23 00:30:07,827 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 00:30:07,828 INFO  L225             Difference]: With dead ends: 324
[2023-12-23 00:30:07,829 INFO  L226             Difference]: Without dead ends: 212
[2023-12-23 00:30:07,829 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-23 00:30:07,830 INFO  L413           NwaCegarLoop]: 163 mSDtfsCounter, 178 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-23 00:30:07,830 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 319 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-23 00:30:07,831 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2023-12-23 00:30:07,856 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212.
[2023-12-23 00:30:07,856 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 212 states, 123 states have (on average 1.3577235772357723) internal successors, (167), 123 states have internal predecessors, (167), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84)
[2023-12-23 00:30:07,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 335 transitions.
[2023-12-23 00:30:07,858 INFO  L78                 Accepts]: Start accepts. Automaton has 212 states and 335 transitions. Word has length 261
[2023-12-23 00:30:07,858 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 00:30:07,859 INFO  L495      AbstractCegarLoop]: Abstraction has 212 states and 335 transitions.
[2023-12-23 00:30:07,859 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42)
[2023-12-23 00:30:07,859 INFO  L276                IsEmpty]: Start isEmpty. Operand 212 states and 335 transitions.
[2023-12-23 00:30:07,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 263
[2023-12-23 00:30:07,861 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 00:30:07,861 INFO  L195           NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-23 00:30:07,877 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
[2023-12-23 00:30:08,074 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
[2023-12-23 00:30:08,075 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 00:30:08,076 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 00:30:08,076 INFO  L85        PathProgramCache]: Analyzing trace with hash 1362418774, now seen corresponding path program 1 times
[2023-12-23 00:30:08,076 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 00:30:08,077 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241309098]
[2023-12-23 00:30:08,077 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:30:08,077 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 00:30:08,077 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 00:30:08,078 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 00:30:08,080 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-23 00:30:08,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:30:08,815 INFO  L262         TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-12-23 00:30:08,820 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 00:30:10,296 INFO  L134       CoverageAnalysis]: Checked inductivity of 3444 backedges. 813 proven. 222 refuted. 0 times theorem prover too weak. 2409 trivial. 0 not checked.
[2023-12-23 00:30:10,296 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 00:30:12,320 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 00:30:12,321 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241309098]
[2023-12-23 00:30:12,321 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [241309098] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-23 00:30:12,321 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2090462743]
[2023-12-23 00:30:12,321 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 00:30:12,321 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-23 00:30:12,321 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-23 00:30:12,323 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-23 00:30:12,369 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process
[2023-12-23 00:30:14,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 00:30:14,313 INFO  L262         TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 26 conjunts are in the unsatisfiable core
[2023-12-23 00:30:14,318 INFO  L285         TraceCheckSpWp]: Computing forward predicates...