/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_loopvsstraightlinecode_50-while_file-40.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-24 04:01:58,309 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-24 04:01:58,351 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-24 04:01:58,354 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-24 04:01:58,354 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-24 04:01:58,369 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-24 04:01:58,369 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-24 04:01:58,369 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-24 04:01:58,370 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-24 04:01:58,370 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-24 04:01:58,370 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-24 04:01:58,371 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-24 04:01:58,371 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-24 04:01:58,371 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-24 04:01:58,372 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-24 04:01:58,372 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-24 04:01:58,372 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-24 04:01:58,372 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-24 04:01:58,373 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-24 04:01:58,373 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-24 04:01:58,373 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-24 04:01:58,374 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-24 04:01:58,374 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-24 04:01:58,374 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-24 04:01:58,374 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-24 04:01:58,375 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-24 04:01:58,375 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-24 04:01:58,375 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-24 04:01:58,375 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-24 04:01:58,376 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-24 04:01:58,376 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-24 04:01:58,376 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-24 04:01:58,376 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-24 04:01:58,376 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-24 04:01:58,377 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 04:01:58,377 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-24 04:01:58,377 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-24 04:01:58,377 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-24 04:01:58,378 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-24 04:01:58,378 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-24 04:01:58,378 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-24 04:01:58,378 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-24 04:01:58,378 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-24 04:01:58,379 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-24 04:01:58,379 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-24 04:01:58,379 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-24 04:01:58,379 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-24 04:01:58,545 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-24 04:01:58,565 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-24 04:01:58,567 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-24 04:01:58,568 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-24 04:01:58,568 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-24 04:01:58,570 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-40.i
[2023-12-24 04:01:59,808 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-24 04:02:00,034 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-24 04:02:00,034 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-40.i
[2023-12-24 04:02:00,042 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb6ab29e/c1aa9dde9b984546893167d3d1663a63/FLAGc3b735dfd
[2023-12-24 04:02:00,082 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb6ab29e/c1aa9dde9b984546893167d3d1663a63
[2023-12-24 04:02:00,084 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-24 04:02:00,086 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-24 04:02:00,095 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-24 04:02:00,095 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-24 04:02:00,099 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-24 04:02:00,099 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,101 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4977c701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00, skipping insertion in model container
[2023-12-24 04:02:00,102 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,145 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-24 04:02:00,380 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_loopvsstraightlinecode_50-while_file-40.i[915,928]
[2023-12-24 04:02:00,454 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 04:02:00,476 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-24 04:02:00,496 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_loopvsstraightlinecode_50-while_file-40.i[915,928]
[2023-12-24 04:02:00,529 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-24 04:02:00,555 INFO  L206         MainTranslator]: Completed translation
[2023-12-24 04:02:00,567 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00 WrapperNode
[2023-12-24 04:02:00,567 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-24 04:02:00,568 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-24 04:02:00,568 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-24 04:02:00,568 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-24 04:02:00,575 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,603 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,626 INFO  L138                Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108
[2023-12-24 04:02:00,626 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-24 04:02:00,627 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-24 04:02:00,627 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-24 04:02:00,627 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-24 04:02:00,635 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,635 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,637 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,647 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-24 04:02:00,647 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,647 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,655 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,657 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,659 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,660 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,662 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-24 04:02:00,663 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-24 04:02:00,663 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-24 04:02:00,663 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-24 04:02:00,663 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (1/1) ...
[2023-12-24 04:02:00,667 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-24 04:02:00,677 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-24 04:02:00,718 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-24 04:02:00,720 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-24 04:02:00,766 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-24 04:02:00,766 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-24 04:02:00,766 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-24 04:02:00,768 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-24 04:02:00,768 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-24 04:02:00,768 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-24 04:02:00,873 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-24 04:02:00,876 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-24 04:02:01,535 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-24 04:02:01,584 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-24 04:02:01,585 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-24 04:02:01,585 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:02:01 BoogieIcfgContainer
[2023-12-24 04:02:01,585 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-24 04:02:01,586 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-24 04:02:01,587 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-24 04:02:01,596 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-24 04:02:01,596 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 04:02:00" (1/3) ...
[2023-12-24 04:02:01,597 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410a12ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:02:01, skipping insertion in model container
[2023-12-24 04:02:01,598 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:02:00" (2/3) ...
[2023-12-24 04:02:01,598 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410a12ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:02:01, skipping insertion in model container
[2023-12-24 04:02:01,598 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:02:01" (3/3) ...
[2023-12-24 04:02:01,599 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-40.i
[2023-12-24 04:02:01,613 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-24 04:02:01,614 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-24 04:02:01,657 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-24 04:02:01,664 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;@3254d380, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-24 04:02:01,665 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-24 04:02:01,669 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 44 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 30 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-12-24 04:02:01,676 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-12-24 04:02:01,677 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 04:02:01,677 INFO  L195           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 04:02:01,678 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 04:02:01,684 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 04:02:01,684 INFO  L85        PathProgramCache]: Analyzing trace with hash -1953190482, now seen corresponding path program 1 times
[2023-12-24 04:02:01,696 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 04:02:01,697 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116635117]
[2023-12-24 04:02:01,697 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:02:01,697 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-24 04:02:01,697 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 04:02:01,702 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-24 04:02:01,725 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-24 04:02:01,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:02:01,937 INFO  L262         TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-24 04:02:01,942 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 04:02:01,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked.
[2023-12-24 04:02:01,987 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 04:02:01,987 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 04:02:01,988 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116635117]
[2023-12-24 04:02:01,988 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [116635117] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 04:02:01,988 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 04:02:01,988 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-24 04:02:01,989 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029966248]
[2023-12-24 04:02:01,990 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 04:02:01,993 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-24 04:02:01,993 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 04:02:02,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-24 04:02:02,019 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 04:02:02,020 INFO  L87              Difference]: Start difference. First operand  has 44 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 30 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-12-24 04:02:02,159 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 04:02:02,160 INFO  L93              Difference]: Finished difference Result 85 states and 144 transitions.
[2023-12-24 04:02:02,170 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-24 04:02:02,172 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81
[2023-12-24 04:02:02,172 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 04:02:02,177 INFO  L225             Difference]: With dead ends: 85
[2023-12-24 04:02:02,177 INFO  L226             Difference]: Without dead ends: 42
[2023-12-24 04:02:02,179 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-24 04:02:02,184 INFO  L413           NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-24 04:02:02,186 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-24 04:02:02,198 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2023-12-24 04:02:02,219 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2023-12-24 04:02:02,220 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-12-24 04:02:02,224 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 61 transitions.
[2023-12-24 04:02:02,226 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 61 transitions. Word has length 81
[2023-12-24 04:02:02,226 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 04:02:02,226 INFO  L495      AbstractCegarLoop]: Abstraction has 42 states and 61 transitions.
[2023-12-24 04:02:02,226 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2023-12-24 04:02:02,226 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions.
[2023-12-24 04:02:02,231 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-12-24 04:02:02,231 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 04:02:02,231 INFO  L195           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 04:02:02,259 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-24 04:02:02,440 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-24 04:02:02,441 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 04:02:02,442 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 04:02:02,442 INFO  L85        PathProgramCache]: Analyzing trace with hash -1812912933, now seen corresponding path program 1 times
[2023-12-24 04:02:02,443 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 04:02:02,443 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842061143]
[2023-12-24 04:02:02,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:02:02,443 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-24 04:02:02,443 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 04:02:02,444 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-24 04:02:02,445 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-24 04:02:02,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:02:02,647 INFO  L262         TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-24 04:02:02,654 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 04:02:02,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2023-12-24 04:02:02,725 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 04:02:02,725 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 04:02:02,729 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842061143]
[2023-12-24 04:02:02,729 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842061143] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 04:02:02,729 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 04:02:02,729 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-24 04:02:02,730 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37168692]
[2023-12-24 04:02:02,730 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 04:02:02,731 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-24 04:02:02,731 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 04:02:02,732 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-24 04:02:02,732 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-24 04:02:02,733 INFO  L87              Difference]: Start difference. First operand 42 states and 61 transitions. Second operand  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-12-24 04:02:03,004 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 04:02:03,005 INFO  L93              Difference]: Finished difference Result 83 states and 121 transitions.
[2023-12-24 04:02:03,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-24 04:02:03,017 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82
[2023-12-24 04:02:03,018 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 04:02:03,018 INFO  L225             Difference]: With dead ends: 83
[2023-12-24 04:02:03,019 INFO  L226             Difference]: Without dead ends: 42
[2023-12-24 04:02:03,019 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-24 04:02:03,020 INFO  L413           NwaCegarLoop]: 56 mSDtfsCounter, 6 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-24 04:02:03,020 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 104 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-24 04:02:03,021 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2023-12-24 04:02:03,024 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2023-12-24 04:02:03,024 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2023-12-24 04:02:03,025 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 60 transitions.
[2023-12-24 04:02:03,025 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 60 transitions. Word has length 82
[2023-12-24 04:02:03,026 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 04:02:03,026 INFO  L495      AbstractCegarLoop]: Abstraction has 42 states and 60 transitions.
[2023-12-24 04:02:03,027 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-12-24 04:02:03,027 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions.
[2023-12-24 04:02:03,028 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-12-24 04:02:03,028 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 04:02:03,030 INFO  L195           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 04:02:03,044 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-24 04:02:03,237 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-24 04:02:03,237 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 04:02:03,238 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 04:02:03,238 INFO  L85        PathProgramCache]: Analyzing trace with hash -37905571, now seen corresponding path program 1 times
[2023-12-24 04:02:03,238 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 04:02:03,238 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027024369]
[2023-12-24 04:02:03,239 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:02:03,239 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-24 04:02:03,239 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 04:02:03,242 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-24 04:02:03,246 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-24 04:02:03,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:02:03,519 INFO  L262         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-24 04:02:03,522 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-24 04:02:03,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2023-12-24 04:02:03,694 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-24 04:02:03,694 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-24 04:02:03,696 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027024369]
[2023-12-24 04:02:03,699 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027024369] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-24 04:02:03,699 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-24 04:02:03,701 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-24 04:02:03,702 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066334711]
[2023-12-24 04:02:03,702 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-24 04:02:03,702 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-24 04:02:03,703 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-24 04:02:03,703 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-24 04:02:03,703 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-12-24 04:02:03,703 INFO  L87              Difference]: Start difference. First operand 42 states and 60 transitions. Second operand  has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-12-24 04:02:04,879 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-24 04:02:04,880 INFO  L93              Difference]: Finished difference Result 180 states and 251 transitions.
[2023-12-24 04:02:04,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-12-24 04:02:04,880 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82
[2023-12-24 04:02:04,881 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-24 04:02:04,882 INFO  L225             Difference]: With dead ends: 180
[2023-12-24 04:02:04,882 INFO  L226             Difference]: Without dead ends: 139
[2023-12-24 04:02:04,882 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2023-12-24 04:02:04,883 INFO  L413           NwaCegarLoop]: 88 mSDtfsCounter, 110 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-12-24 04:02:04,883 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 245 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-12-24 04:02:04,884 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2023-12-24 04:02:04,896 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 82.
[2023-12-24 04:02:04,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 55 states have internal predecessors, (67), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24)
[2023-12-24 04:02:04,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 115 transitions.
[2023-12-24 04:02:04,898 INFO  L78                 Accepts]: Start accepts. Automaton has 82 states and 115 transitions. Word has length 82
[2023-12-24 04:02:04,898 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-24 04:02:04,898 INFO  L495      AbstractCegarLoop]: Abstraction has 82 states and 115 transitions.
[2023-12-24 04:02:04,898 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)
[2023-12-24 04:02:04,898 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions.
[2023-12-24 04:02:04,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-12-24 04:02:04,899 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-24 04:02:04,899 INFO  L195           NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-24 04:02:04,909 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 (4)] Ended with exit code 0
[2023-12-24 04:02:05,106 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-24 04:02:05,106 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-24 04:02:05,107 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-24 04:02:05,107 INFO  L85        PathProgramCache]: Analyzing trace with hash -37845989, now seen corresponding path program 1 times
[2023-12-24 04:02:05,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-24 04:02:05,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14590151]
[2023-12-24 04:02:05,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-24 04:02:05,107 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-24 04:02:05,107 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-24 04:02:05,108 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-24 04:02:05,115 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-24 04:02:05,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-24 04:02:05,276 INFO  L262         TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core
[2023-12-24 04:02:05,279 INFO  L285         TraceCheckSpWp]: Computing forward predicates...