/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-55.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 15:29:00,721 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 15:29:00,786 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 15:29:00,790 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 15:29:00,791 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 15:29:00,813 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 15:29:00,813 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 15:29:00,813 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 15:29:00,814 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 15:29:00,818 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 15:29:00,818 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 15:29:00,818 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 15:29:00,818 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 15:29:00,820 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 15:29:00,820 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 15:29:00,820 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 15:29:00,820 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 15:29:00,820 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 15:29:00,821 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 15:29:00,821 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 15:29:00,821 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 15:29:00,821 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 15:29:00,821 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 15:29:00,821 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 15:29:00,822 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 15:29:00,822 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 15:29:00,822 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 15:29:00,822 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 15:29:00,822 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 15:29:00,822 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 15:29:00,823 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 15:29:00,823 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 15:29:00,823 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 15:29:00,823 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 15:29:00,824 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 15:29:00,824 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 15:29:00,824 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 15:29:00,824 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 15:29:00,824 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 15:29:00,824 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 15:29:00,824 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 15:29:00,825 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 15:29:00,825 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 15:29:00,825 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 15:29:00,825 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 15:29:00,825 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 15:29:00,825 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 15:29:01,018 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 15:29:01,037 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 15:29:01,039 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 15:29:01,040 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 15:29:01,040 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 15:29:01,041 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-55.i
[2023-12-23 15:29:02,040 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 15:29:02,220 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 15:29:02,221 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-55.i
[2023-12-23 15:29:02,228 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1653917/ec0aa84ee6c34c159092064538245b5b/FLAGe9db8b600
[2023-12-23 15:29:02,240 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1653917/ec0aa84ee6c34c159092064538245b5b
[2023-12-23 15:29:02,242 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 15:29:02,243 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 15:29:02,243 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 15:29:02,243 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 15:29:02,259 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 15:29:02,260 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,261 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db37711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02, skipping insertion in model container
[2023-12-23 15:29:02,261 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,290 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 15:29:02,396 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-55.i[919,932]
[2023-12-23 15:29:02,457 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 15:29:02,491 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 15:29:02,506 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-55.i[919,932]
[2023-12-23 15:29:02,544 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 15:29:02,557 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 15:29:02,558 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02 WrapperNode
[2023-12-23 15:29:02,558 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 15:29:02,559 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 15:29:02,559 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 15:29:02,559 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 15:29:02,564 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,574 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,597 INFO  L138                Inliner]: procedures = 27, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 282
[2023-12-23 15:29:02,598 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 15:29:02,598 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 15:29:02,599 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 15:29:02,599 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 15:29:02,613 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,613 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,617 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,637 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 15:29:02,638 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,638 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,646 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,649 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,651 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,653 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,656 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 15:29:02,657 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 15:29:02,657 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 15:29:02,657 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 15:29:02,657 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (1/1) ...
[2023-12-23 15:29:02,661 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 15:29:02,671 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 15:29:02,717 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 15:29:02,732 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 15:29:02,751 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 15:29:02,752 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 15:29:02,752 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 15:29:02,753 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 15:29:02,753 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 15:29:02,754 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 15:29:02,861 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 15:29:02,864 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 15:29:12,494 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 15:29:12,558 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 15:29:12,559 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 15:29:12,559 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:29:12 BoogieIcfgContainer
[2023-12-23 15:29:12,559 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 15:29:12,561 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 15:29:12,561 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 15:29:12,563 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 15:29:12,563 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:29:02" (1/3) ...
[2023-12-23 15:29:12,564 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67475494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:29:12, skipping insertion in model container
[2023-12-23 15:29:12,564 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:29:02" (2/3) ...
[2023-12-23 15:29:12,564 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67475494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:29:12, skipping insertion in model container
[2023-12-23 15:29:12,564 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:29:12" (3/3) ...
[2023-12-23 15:29:12,565 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-55.i
[2023-12-23 15:29:12,580 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 15:29:12,580 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 15:29:12,622 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 15:29:12,628 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;@73b674d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 15:29:12,628 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 15:29:12,632 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 123 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 63 states have internal predecessors, (84), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2023-12-23 15:29:12,663 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 342
[2023-12-23 15:29:12,663 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:29:12,664 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:12,665 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:29:12,669 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:29:12,669 INFO  L85        PathProgramCache]: Analyzing trace with hash 383021877, now seen corresponding path program 1 times
[2023-12-23 15:29:12,680 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:29:12,680 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959840539]
[2023-12-23 15:29:12,680 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:29:12,681 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 15:29:12,681 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:29:12,682 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 15:29:12,685 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 15:29:13,666 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:29:13,701 INFO  L262         TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 15:29:13,712 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:29:13,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 3338 proven. 0 refuted. 0 times theorem prover too weak. 3274 trivial. 0 not checked.
[2023-12-23 15:29:13,792 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:29:13,793 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:29:13,793 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959840539]
[2023-12-23 15:29:13,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [959840539] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:29:13,794 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:29:13,794 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 15:29:13,795 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979152291]
[2023-12-23 15:29:13,796 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:29:13,801 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 15:29:13,802 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:29:13,828 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 15:29:13,828 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 15:29:13,831 INFO  L87              Difference]: Start difference. First operand  has 123 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 63 states have internal predecessors, (84), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58)
[2023-12-23 15:29:13,904 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:29:13,904 INFO  L93              Difference]: Finished difference Result 243 states and 456 transitions.
[2023-12-23 15:29:13,911 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 15:29:13,913 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 341
[2023-12-23 15:29:13,913 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:29:13,919 INFO  L225             Difference]: With dead ends: 243
[2023-12-23 15:29:13,919 INFO  L226             Difference]: Without dead ends: 121
[2023-12-23 15:29:13,923 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 340 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 15:29:13,925 INFO  L413           NwaCegarLoop]: 191 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, 191 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 15:29:13,925 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-23 15:29:13,946 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2023-12-23 15:29:14,013 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2023-12-23 15:29:14,014 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 121 states, 61 states have (on average 1.278688524590164) internal successors, (78), 61 states have internal predecessors, (78), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2023-12-23 15:29:14,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions.
[2023-12-23 15:29:14,032 INFO  L78                 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 341
[2023-12-23 15:29:14,034 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:29:14,034 INFO  L495      AbstractCegarLoop]: Abstraction has 121 states and 194 transitions.
[2023-12-23 15:29:14,034 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58)
[2023-12-23 15:29:14,034 INFO  L276                IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions.
[2023-12-23 15:29:14,052 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 342
[2023-12-23 15:29:14,052 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:29:14,052 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:14,077 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-23 15:29:14,273 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 15:29:14,274 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:29:14,274 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:29:14,274 INFO  L85        PathProgramCache]: Analyzing trace with hash 528801729, now seen corresponding path program 1 times
[2023-12-23 15:29:14,275 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:29:14,275 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835482356]
[2023-12-23 15:29:14,275 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:29:14,276 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 15:29:14,277 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:29:14,278 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 15:29:14,281 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 15:29:15,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:29:15,261 INFO  L262         TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 15:29:15,276 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:29:15,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2023-12-23 15:29:15,343 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:29:15,344 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:29:15,347 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835482356]
[2023-12-23 15:29:15,348 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835482356] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:29:15,348 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:29:15,348 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 15:29:15,348 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80001945]
[2023-12-23 15:29:15,349 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:29:15,354 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 15:29:15,354 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:29:15,356 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 15:29:15,356 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 15:29:15,356 INFO  L87              Difference]: Start difference. First operand 121 states and 194 transitions. Second operand  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 15:29:15,647 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:29:15,647 INFO  L93              Difference]: Finished difference Result 361 states and 580 transitions.
[2023-12-23 15:29:15,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 15:29:15,648 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 341
[2023-12-23 15:29:15,653 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:29:15,658 INFO  L225             Difference]: With dead ends: 361
[2023-12-23 15:29:15,658 INFO  L226             Difference]: Without dead ends: 241
[2023-12-23 15:29:15,661 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 15:29:15,662 INFO  L413           NwaCegarLoop]: 346 mSDtfsCounter, 190 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 15:29:15,662 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 531 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 15:29:15,663 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2023-12-23 15:29:15,719 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239.
[2023-12-23 15:29:15,721 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 239 states, 120 states have (on average 1.275) internal successors, (153), 120 states have internal predecessors, (153), 116 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116)
[2023-12-23 15:29:15,724 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 385 transitions.
[2023-12-23 15:29:15,724 INFO  L78                 Accepts]: Start accepts. Automaton has 239 states and 385 transitions. Word has length 341
[2023-12-23 15:29:15,726 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:29:15,726 INFO  L495      AbstractCegarLoop]: Abstraction has 239 states and 385 transitions.
[2023-12-23 15:29:15,727 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58)
[2023-12-23 15:29:15,727 INFO  L276                IsEmpty]: Start isEmpty. Operand 239 states and 385 transitions.
[2023-12-23 15:29:15,732 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 342
[2023-12-23 15:29:15,732 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:29:15,733 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:15,769 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 15:29:15,970 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 15:29:15,971 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:29:15,972 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:29:15,972 INFO  L85        PathProgramCache]: Analyzing trace with hash -751061949, now seen corresponding path program 1 times
[2023-12-23 15:29:15,973 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:29:15,973 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792289713]
[2023-12-23 15:29:15,973 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:29:15,974 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 15:29:15,974 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:29:15,975 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 15:29:15,976 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 15:29:16,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:29:16,890 INFO  L262         TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-23 15:29:16,896 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:29:18,560 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 3333 proven. 93 refuted. 0 times theorem prover too weak. 3186 trivial. 0 not checked.
[2023-12-23 15:29:18,560 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 15:29:19,501 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 78 proven. 93 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked.
[2023-12-23 15:29:19,501 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:29:19,502 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792289713]
[2023-12-23 15:29:19,502 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792289713] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 15:29:19,502 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 15:29:19,502 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2023-12-23 15:29:19,502 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641889668]
[2023-12-23 15:29:19,502 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 15:29:19,503 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-23 15:29:19,503 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:29:19,504 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-23 15:29:19,504 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-12-23 15:29:19,504 INFO  L87              Difference]: Start difference. First operand 239 states and 385 transitions. Second operand  has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90)
[2023-12-23 15:29:21,476 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:29:21,476 INFO  L93              Difference]: Finished difference Result 493 states and 783 transitions.
[2023-12-23 15:29:21,481 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-12-23 15:29:21,482 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) Word has length 341
[2023-12-23 15:29:21,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:29:21,484 INFO  L225             Difference]: With dead ends: 493
[2023-12-23 15:29:21,484 INFO  L226             Difference]: Without dead ends: 255
[2023-12-23 15:29:21,485 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 674 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210
[2023-12-23 15:29:21,486 INFO  L413           NwaCegarLoop]: 127 mSDtfsCounter, 177 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2023-12-23 15:29:21,486 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 261 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2023-12-23 15:29:21,490 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 255 states.
[2023-12-23 15:29:21,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 247.
[2023-12-23 15:29:21,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 247 states, 126 states have (on average 1.2301587301587302) internal successors, (155), 126 states have internal predecessors, (155), 116 states have call successors, (116), 4 states have call predecessors, (116), 4 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116)
[2023-12-23 15:29:21,557 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 387 transitions.
[2023-12-23 15:29:21,557 INFO  L78                 Accepts]: Start accepts. Automaton has 247 states and 387 transitions. Word has length 341
[2023-12-23 15:29:21,558 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:29:21,559 INFO  L495      AbstractCegarLoop]: Abstraction has 247 states and 387 transitions.
[2023-12-23 15:29:21,559 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90)
[2023-12-23 15:29:21,559 INFO  L276                IsEmpty]: Start isEmpty. Operand 247 states and 387 transitions.
[2023-12-23 15:29:21,561 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 342
[2023-12-23 15:29:21,561 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:29:21,562 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:21,581 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
[2023-12-23 15:29:21,762 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:29:21,763 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:29:21,763 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:29:21,763 INFO  L85        PathProgramCache]: Analyzing trace with hash 1023945413, now seen corresponding path program 1 times
[2023-12-23 15:29:21,764 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:29:21,764 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641072728]
[2023-12-23 15:29:21,764 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:29:21,764 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 15:29:21,764 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:29:21,769 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 15:29:21,794 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-23 15:29:22,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:29:22,767 INFO  L262         TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-23 15:29:22,773 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:29:24,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 3333 proven. 93 refuted. 0 times theorem prover too weak. 3186 trivial. 0 not checked.
[2023-12-23 15:29:24,443 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 15:29:25,299 INFO  L134       CoverageAnalysis]: Checked inductivity of 6612 backedges. 78 proven. 93 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked.
[2023-12-23 15:29:25,312 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:29:25,313 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641072728]
[2023-12-23 15:29:25,313 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [641072728] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 15:29:25,315 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 15:29:25,315 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2023-12-23 15:29:25,315 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896586454]
[2023-12-23 15:29:25,315 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 15:29:25,317 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-12-23 15:29:25,318 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:29:25,319 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-12-23 15:29:25,319 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-12-23 15:29:25,319 INFO  L87              Difference]: Start difference. First operand 247 states and 387 transitions. Second operand  has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90)
[2023-12-23 15:29:29,377 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:29:29,377 INFO  L93              Difference]: Finished difference Result 632 states and 986 transitions.
[2023-12-23 15:29:29,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2023-12-23 15:29:29,378 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) Word has length 341
[2023-12-23 15:29:29,379 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:29:29,381 INFO  L225             Difference]: With dead ends: 632
[2023-12-23 15:29:29,381 INFO  L226             Difference]: Without dead ends: 386
[2023-12-23 15:29:29,382 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 674 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2023-12-23 15:29:29,382 INFO  L413           NwaCegarLoop]: 241 mSDtfsCounter, 150 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time
[2023-12-23 15:29:29,382 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 602 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time]
[2023-12-23 15:29:29,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2023-12-23 15:29:29,407 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 247.
[2023-12-23 15:29:29,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 247 states, 126 states have (on average 1.1984126984126984) internal successors, (151), 126 states have internal predecessors, (151), 116 states have call successors, (116), 4 states have call predecessors, (116), 4 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116)
[2023-12-23 15:29:29,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 383 transitions.
[2023-12-23 15:29:29,410 INFO  L78                 Accepts]: Start accepts. Automaton has 247 states and 383 transitions. Word has length 341
[2023-12-23 15:29:29,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:29:29,411 INFO  L495      AbstractCegarLoop]: Abstraction has 247 states and 383 transitions.
[2023-12-23 15:29:29,412 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 2 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90)
[2023-12-23 15:29:29,412 INFO  L276                IsEmpty]: Start isEmpty. Operand 247 states and 383 transitions.
[2023-12-23 15:29:29,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 342
[2023-12-23 15:29:29,414 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:29:29,414 INFO  L195           NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:29,436 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2023-12-23 15:29:29,631 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-23 15:29:29,632 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:29:29,633 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:29:29,633 INFO  L85        PathProgramCache]: Analyzing trace with hash 1025792455, now seen corresponding path program 1 times
[2023-12-23 15:29:29,634 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:29:29,634 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024641563]
[2023-12-23 15:29:29,634 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:29:29,634 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 15:29:29,634 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:29:29,635 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-23 15:29:29,636 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-23 15:29:30,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:29:30,843 INFO  L262         TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 39 conjunts are in the unsatisfiable core
[2023-12-23 15:29:30,851 INFO  L285         TraceCheckSpWp]: Computing forward predicates...