/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-50_file-31.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 06:01:08,389 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 06:01:08,465 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 06:01:08,469 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 06:01:08,470 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 06:01:08,493 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 06:01:08,493 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 06:01:08,493 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 06:01:08,494 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 06:01:08,496 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 06:01:08,497 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 06:01:08,497 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 06:01:08,497 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 06:01:08,499 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 06:01:08,499 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 06:01:08,499 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 06:01:08,499 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 06:01:08,499 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 06:01:08,500 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 06:01:08,500 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 06:01:08,500 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 06:01:08,500 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 06:01:08,500 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 06:01:08,501 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 06:01:08,501 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 06:01:08,501 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 06:01:08,501 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 06:01:08,501 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 06:01:08,502 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 06:01:08,502 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 06:01:08,503 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 06:01:08,503 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 06:01:08,503 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 06:01:08,503 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 06:01:08,503 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 06:01:08,503 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 06:01:08,504 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 06:01:08,504 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 06:01:08,504 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 06:01:08,504 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 06:01:08,504 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 06:01:08,505 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 06:01:08,505 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 06:01:08,505 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 06:01:08,505 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 06:01:08,505 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 06:01:08,505 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 06:01:08,713 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 06:01:08,732 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 06:01:08,734 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 06:01:08,735 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 06:01:08,737 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 06:01:08,739 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.i
[2023-12-23 06:01:10,141 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 06:01:10,508 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 06:01:10,509 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-31.i
[2023-12-23 06:01:10,518 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e8f101d3/898fa65a547e4858be2a30e225852775/FLAG324cf8dd2
[2023-12-23 06:01:10,804 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e8f101d3/898fa65a547e4858be2a30e225852775
[2023-12-23 06:01:10,806 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 06:01:10,807 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 06:01:10,811 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 06:01:10,811 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 06:01:10,823 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 06:01:10,823 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:01:10" (1/1) ...
[2023-12-23 06:01:10,824 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e65f5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:10, skipping insertion in model container
[2023-12-23 06:01:10,824 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:01:10" (1/1) ...
[2023-12-23 06:01:10,903 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 06:01:11,090 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-50_file-31.i[915,928]
[2023-12-23 06:01:11,224 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 06:01:11,258 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 06:01:11,269 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-50_file-31.i[915,928]
[2023-12-23 06:01:11,345 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 06:01:11,391 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 06:01:11,391 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11 WrapperNode
[2023-12-23 06:01:11,391 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 06:01:11,393 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 06:01:11,393 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 06:01:11,393 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 06:01:11,397 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,433 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,485 INFO  L138                Inliner]: procedures = 27, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269
[2023-12-23 06:01:11,486 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 06:01:11,486 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 06:01:11,486 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 06:01:11,487 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 06:01:11,509 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,510 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,520 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,545 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 06:01:11,545 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,545 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,575 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,578 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,580 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,581 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,584 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 06:01:11,585 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 06:01:11,585 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 06:01:11,585 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 06:01:11,585 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (1/1) ...
[2023-12-23 06:01:11,635 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 06:01:11,656 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 06:01:11,681 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 06:01:11,728 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 06:01:11,734 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 06:01:11,734 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 06:01:11,734 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 06:01:11,748 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 06:01:11,748 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 06:01:11,749 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 06:01:11,877 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 06:01:11,880 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 06:01:12,607 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 06:01:12,655 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 06:01:12,655 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 06:01:12,656 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:01:12 BoogieIcfgContainer
[2023-12-23 06:01:12,656 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 06:01:12,657 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 06:01:12,657 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 06:01:12,659 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 06:01:12,660 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:01:10" (1/3) ...
[2023-12-23 06:01:12,660 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208385f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:01:12, skipping insertion in model container
[2023-12-23 06:01:12,660 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:01:11" (2/3) ...
[2023-12-23 06:01:12,660 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208385f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:01:12, skipping insertion in model container
[2023-12-23 06:01:12,660 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:01:12" (3/3) ...
[2023-12-23 06:01:12,661 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-31.i
[2023-12-23 06:01:12,673 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 06:01:12,673 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 06:01:12,740 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 06:01:12,745 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;@2b29d87a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 06:01:12,745 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 06:01:12,749 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 121 states, 64 states have (on average 1.390625) internal successors, (89), 65 states have internal predecessors, (89), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2023-12-23 06:01:12,773 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 320
[2023-12-23 06:01:12,774 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 06:01:12,775 INFO  L195           NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:12,775 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 06:01:12,780 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 06:01:12,781 INFO  L85        PathProgramCache]: Analyzing trace with hash 1974952257, now seen corresponding path program 1 times
[2023-12-23 06:01:12,796 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 06:01:12,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579119184]
[2023-12-23 06:01:12,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 06:01:12,800 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 06:01:12,801 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 06:01:12,802 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 06:01:12,803 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 06:01:13,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 06:01:13,119 INFO  L262         TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 06:01:13,128 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 06:01:13,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 5724 backedges. 1234 proven. 0 refuted. 0 times theorem prover too weak. 4490 trivial. 0 not checked.
[2023-12-23 06:01:13,266 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 06:01:13,266 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 06:01:13,267 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579119184]
[2023-12-23 06:01:13,267 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579119184] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 06:01:13,267 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 06:01:13,268 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 06:01:13,269 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455725946]
[2023-12-23 06:01:13,269 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 06:01:13,274 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 06:01:13,275 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 06:01:13,314 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 06:01:13,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 06:01:13,317 INFO  L87              Difference]: Start difference. First operand  has 121 states, 64 states have (on average 1.390625) internal successors, (89), 65 states have internal predecessors, (89), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand  has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54)
[2023-12-23 06:01:13,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 06:01:13,357 INFO  L93              Difference]: Finished difference Result 239 states and 446 transitions.
[2023-12-23 06:01:13,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 06:01:13,360 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 319
[2023-12-23 06:01:13,360 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 06:01:13,365 INFO  L225             Difference]: With dead ends: 239
[2023-12-23 06:01:13,366 INFO  L226             Difference]: Without dead ends: 119
[2023-12-23 06:01:13,369 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 318 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 06:01:13,371 INFO  L413           NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-23 06:01:13,371 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-23 06:01:13,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2023-12-23 06:01:13,403 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119.
[2023-12-23 06:01:13,404 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2023-12-23 06:01:13,405 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 192 transitions.
[2023-12-23 06:01:13,406 INFO  L78                 Accepts]: Start accepts. Automaton has 119 states and 192 transitions. Word has length 319
[2023-12-23 06:01:13,407 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 06:01:13,407 INFO  L495      AbstractCegarLoop]: Abstraction has 119 states and 192 transitions.
[2023-12-23 06:01:13,407 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54)
[2023-12-23 06:01:13,407 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions.
[2023-12-23 06:01:13,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 320
[2023-12-23 06:01:13,411 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 06:01:13,411 INFO  L195           NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:13,420 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-23 06:01:13,619 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 06:01:13,619 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 06:01:13,620 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 06:01:13,620 INFO  L85        PathProgramCache]: Analyzing trace with hash -831135803, now seen corresponding path program 1 times
[2023-12-23 06:01:13,621 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 06:01:13,621 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488394279]
[2023-12-23 06:01:13,621 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 06:01:13,621 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 06:01:13,622 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 06:01:13,623 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 06:01:13,624 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 06:01:13,894 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 06:01:13,905 INFO  L262         TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-23 06:01:13,912 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 06:01:14,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 5724 backedges. 2733 proven. 99 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked.
[2023-12-23 06:01:14,288 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 06:01:14,574 INFO  L134       CoverageAnalysis]: Checked inductivity of 5724 backedges. 60 proven. 99 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked.
[2023-12-23 06:01:14,575 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 06:01:14,578 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488394279]
[2023-12-23 06:01:14,578 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488394279] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 06:01:14,578 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 06:01:14,579 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2023-12-23 06:01:14,579 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440847885]
[2023-12-23 06:01:14,579 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 06:01:14,583 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-23 06:01:14,583 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 06:01:14,584 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-23 06:01:14,585 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-12-23 06:01:14,585 INFO  L87              Difference]: Start difference. First operand 119 states and 192 transitions. Second operand  has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88)
[2023-12-23 06:01:15,868 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 06:01:15,868 INFO  L93              Difference]: Finished difference Result 400 states and 637 transitions.
[2023-12-23 06:01:15,868 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-12-23 06:01:15,869 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 319
[2023-12-23 06:01:15,870 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 06:01:15,872 INFO  L225             Difference]: With dead ends: 400
[2023-12-23 06:01:15,872 INFO  L226             Difference]: Without dead ends: 282
[2023-12-23 06:01:15,873 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 630 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2023-12-23 06:01:15,874 INFO  L413           NwaCegarLoop]: 187 mSDtfsCounter, 305 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-12-23 06:01:15,874 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 493 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-12-23 06:01:15,875 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2023-12-23 06:01:15,976 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 253.
[2023-12-23 06:01:15,978 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 253 states, 120 states have (on average 1.2) internal successors, (144), 122 states have internal predecessors, (144), 128 states have call successors, (128), 4 states have call predecessors, (128), 4 states have return successors, (128), 126 states have call predecessors, (128), 128 states have call successors, (128)
[2023-12-23 06:01:15,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 400 transitions.
[2023-12-23 06:01:15,980 INFO  L78                 Accepts]: Start accepts. Automaton has 253 states and 400 transitions. Word has length 319
[2023-12-23 06:01:15,982 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 06:01:15,982 INFO  L495      AbstractCegarLoop]: Abstraction has 253 states and 400 transitions.
[2023-12-23 06:01:15,982 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88)
[2023-12-23 06:01:15,982 INFO  L276                IsEmpty]: Start isEmpty. Operand 253 states and 400 transitions.
[2023-12-23 06:01:15,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 320
[2023-12-23 06:01:15,991 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 06:01:15,992 INFO  L195           NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:01:16,012 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-23 06:01:16,199 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 06:01:16,200 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 06:01:16,201 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 06:01:16,201 INFO  L85        PathProgramCache]: Analyzing trace with hash 943871559, now seen corresponding path program 1 times
[2023-12-23 06:01:16,202 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 06:01:16,202 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043308279]
[2023-12-23 06:01:16,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 06:01:16,202 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 06:01:16,202 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 06:01:16,216 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 06:01:16,268 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 06:01:16,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 06:01:16,731 INFO  L262         TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 31 conjunts are in the unsatisfiable core
[2023-12-23 06:01:16,768 INFO  L285         TraceCheckSpWp]: Computing forward predicates...