/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-50.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 15:24:10,416 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 15:24:10,487 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 15:24:10,491 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 15:24:10,492 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 15:24:10,524 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 15:24:10,525 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 15:24:10,525 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 15:24:10,526 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 15:24:10,529 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 15:24:10,529 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 15:24:10,530 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 15:24:10,530 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 15:24:10,531 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 15:24:10,532 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 15:24:10,532 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 15:24:10,532 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 15:24:10,533 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 15:24:10,533 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 15:24:10,533 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 15:24:10,533 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 15:24:10,533 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 15:24:10,534 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 15:24:10,534 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 15:24:10,534 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 15:24:10,534 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 15:24:10,534 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 15:24:10,535 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 15:24:10,535 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 15:24:10,535 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 15:24:10,536 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 15:24:10,536 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 15:24:10,536 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 15:24:10,536 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 15:24:10,536 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 15:24:10,537 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 15:24:10,537 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 15:24:10,537 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 15:24:10,537 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 15:24:10,537 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 15:24:10,537 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 15:24:10,538 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 15:24:10,538 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 15:24:10,538 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 15:24:10,538 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 15:24:10,538 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 15:24:10,538 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 15:24:10,742 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 15:24:10,758 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 15:24:10,760 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 15:24:10,761 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 15:24:10,761 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 15:24:10,762 INFO  L431   ainManager$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-50.i
[2023-12-23 15:24:11,895 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 15:24:12,115 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 15:24:12,116 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-50.i
[2023-12-23 15:24:12,125 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49d71be7/33be0961775e47c5aa57d83ca6a02cbd/FLAGd0aac94ad
[2023-12-23 15:24:12,139 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49d71be7/33be0961775e47c5aa57d83ca6a02cbd
[2023-12-23 15:24:12,141 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 15:24:12,142 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 15:24:12,148 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 15:24:12,148 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 15:24:12,152 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 15:24:12,153 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,154 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f6a1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12, skipping insertion in model container
[2023-12-23 15:24:12,154 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,194 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 15:24:12,344 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-50.i[919,932]
[2023-12-23 15:24:12,406 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 15:24:12,419 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 15:24:12,429 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-50.i[919,932]
[2023-12-23 15:24:12,480 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 15:24:12,501 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 15:24:12,502 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12 WrapperNode
[2023-12-23 15:24:12,502 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 15:24:12,503 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 15:24:12,503 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 15:24:12,503 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 15:24:12,509 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,530 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,558 INFO  L138                Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225
[2023-12-23 15:24:12,559 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 15:24:12,559 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 15:24:12,559 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 15:24:12,560 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 15:24:12,575 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,576 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,580 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,598 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 15:24:12,599 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,599 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,623 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,626 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,628 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,630 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,650 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 15:24:12,651 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 15:24:12,651 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 15:24:12,651 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 15:24:12,652 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (1/1) ...
[2023-12-23 15:24:12,660 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 15:24:12,669 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 15:24:12,681 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-23 15:24:12,702 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 15:24:12,716 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 15:24:12,716 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 15:24:12,716 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 15:24:12,716 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 15:24:12,716 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 15:24:12,716 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 15:24:12,798 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 15:24:12,800 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 15:24:21,587 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 15:24:21,681 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 15:24:21,681 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 15:24:21,681 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:24:21 BoogieIcfgContainer
[2023-12-23 15:24:21,681 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 15:24:21,684 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 15:24:21,684 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 15:24:21,687 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 15:24:21,687 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:24:12" (1/3) ...
[2023-12-23 15:24:21,688 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c63a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:24:21, skipping insertion in model container
[2023-12-23 15:24:21,689 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:24:12" (2/3) ...
[2023-12-23 15:24:21,689 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c63a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:24:21, skipping insertion in model container
[2023-12-23 15:24:21,689 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:24:21" (3/3) ...
[2023-12-23 15:24:21,690 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-50.i
[2023-12-23 15:24:21,704 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 15:24:21,705 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 15:24:21,745 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 15:24:21,750 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;@2dabfde5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 15:24:21,750 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 15:24:21,756 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 96 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39)
[2023-12-23 15:24:21,772 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2023-12-23 15:24:21,772 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:24:21,773 INFO  L195           NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:21,774 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:24:21,777 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:24:21,778 INFO  L85        PathProgramCache]: Analyzing trace with hash 1912159997, now seen corresponding path program 1 times
[2023-12-23 15:24:21,790 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:24:21,790 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680878562]
[2023-12-23 15:24:21,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:24:21,791 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 15:24:21,791 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:24:21,792 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 15:24:21,794 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 (2)] Waiting until timeout for monitored process
[2023-12-23 15:24:22,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:24:22,413 INFO  L262         TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 15:24:22,424 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:24:22,474 INFO  L134       CoverageAnalysis]: Checked inductivity of 2964 backedges. 1264 proven. 0 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked.
[2023-12-23 15:24:22,474 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:24:22,475 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:24:22,475 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680878562]
[2023-12-23 15:24:22,476 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680878562] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:24:22,476 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:24:22,476 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 15:24:22,477 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406231827]
[2023-12-23 15:24:22,478 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:24:22,482 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 15:24:22,482 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:24:22,505 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 15:24:22,505 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 15:24:22,508 INFO  L87              Difference]: Start difference. First operand  has 96 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 55 states have internal predecessors, (75), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39)
[2023-12-23 15:24:22,680 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:24:22,680 INFO  L93              Difference]: Finished difference Result 189 states and 343 transitions.
[2023-12-23 15:24:22,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 15:24:22,693 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 239
[2023-12-23 15:24:22,694 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:24:22,700 INFO  L225             Difference]: With dead ends: 189
[2023-12-23 15:24:22,701 INFO  L226             Difference]: Without dead ends: 94
[2023-12-23 15:24:22,704 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 238 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 15:24:22,708 INFO  L413           NwaCegarLoop]: 144 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, 144 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
[2023-12-23 15:24:22,708 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-23 15:24:22,721 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-12-23 15:24:22,744 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2023-12-23 15:24:22,745 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39)
[2023-12-23 15:24:22,747 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions.
[2023-12-23 15:24:22,748 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 239
[2023-12-23 15:24:22,748 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:24:22,749 INFO  L495      AbstractCegarLoop]: Abstraction has 94 states and 147 transitions.
[2023-12-23 15:24:22,749 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39)
[2023-12-23 15:24:22,749 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions.
[2023-12-23 15:24:22,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2023-12-23 15:24:22,754 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:24:22,754 INFO  L195           NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:22,772 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2023-12-23 15:24:22,964 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 15:24:22,965 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:24:22,965 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:24:22,965 INFO  L85        PathProgramCache]: Analyzing trace with hash -574907849, now seen corresponding path program 1 times
[2023-12-23 15:24:22,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:24:22,967 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549094435]
[2023-12-23 15:24:22,967 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:24:22,967 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 15:24:22,967 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:24:22,969 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 15:24:22,970 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 15:24:23,546 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:24:23,579 INFO  L262         TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-12-23 15:24:23,587 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:24:25,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 2964 backedges. 1426 proven. 75 refuted. 0 times theorem prover too weak. 1463 trivial. 0 not checked.
[2023-12-23 15:24:25,822 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 15:24:27,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 2964 backedges. 345 proven. 93 refuted. 0 times theorem prover too weak. 2526 trivial. 0 not checked.
[2023-12-23 15:24:27,752 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:24:27,756 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549094435]
[2023-12-23 15:24:27,757 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549094435] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 15:24:27,758 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 15:24:27,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 24
[2023-12-23 15:24:27,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890940034]
[2023-12-23 15:24:27,758 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 15:24:27,762 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2023-12-23 15:24:27,763 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:24:27,765 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2023-12-23 15:24:27,766 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552
[2023-12-23 15:24:27,766 INFO  L87              Difference]: Start difference. First operand 94 states and 147 transitions. Second operand  has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 5 states have call successors, (50), 5 states have call predecessors, (50), 13 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51)
[2023-12-23 15:24:35,119 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:24:35,120 INFO  L93              Difference]: Finished difference Result 385 states and 569 transitions.
[2023-12-23 15:24:35,120 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2023-12-23 15:24:35,121 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 5 states have call successors, (50), 5 states have call predecessors, (50), 13 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51) Word has length 239
[2023-12-23 15:24:35,122 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:24:35,125 INFO  L225             Difference]: With dead ends: 385
[2023-12-23 15:24:35,125 INFO  L226             Difference]: Without dead ends: 292
[2023-12-23 15:24:35,129 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1091, Invalid=2941, Unknown=0, NotChecked=0, Total=4032
[2023-12-23 15:24:35,130 INFO  L413           NwaCegarLoop]: 203 mSDtfsCounter, 344 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time
[2023-12-23 15:24:35,131 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 770 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time]
[2023-12-23 15:24:35,132 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 292 states.
[2023-12-23 15:24:35,173 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 260.
[2023-12-23 15:24:35,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 260 states, 144 states have (on average 1.2152777777777777) internal successors, (175), 145 states have internal predecessors, (175), 105 states have call successors, (105), 10 states have call predecessors, (105), 10 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105)
[2023-12-23 15:24:35,176 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 385 transitions.
[2023-12-23 15:24:35,177 INFO  L78                 Accepts]: Start accepts. Automaton has 260 states and 385 transitions. Word has length 239
[2023-12-23 15:24:35,178 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:24:35,178 INFO  L495      AbstractCegarLoop]: Abstraction has 260 states and 385 transitions.
[2023-12-23 15:24:35,178 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 3.625) internal successors, (87), 24 states have internal predecessors, (87), 5 states have call successors, (50), 5 states have call predecessors, (50), 13 states have return successors, (51), 5 states have call predecessors, (51), 5 states have call successors, (51)
[2023-12-23 15:24:35,178 INFO  L276                IsEmpty]: Start isEmpty. Operand 260 states and 385 transitions.
[2023-12-23 15:24:35,182 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2023-12-23 15:24:35,182 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:24:35,182 INFO  L195           NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:35,202 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 15:24:35,405 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 15:24:35,405 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:24:35,406 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:24:35,406 INFO  L85        PathProgramCache]: Analyzing trace with hash 2131711545, now seen corresponding path program 1 times
[2023-12-23 15:24:35,406 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:24:35,407 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493639888]
[2023-12-23 15:24:35,407 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:24:35,407 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 15:24:35,407 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:24:35,408 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 15:24:35,416 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 15:24:35,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:24:35,968 INFO  L262         TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 15:24:35,976 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:24:36,146 INFO  L134       CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked.
[2023-12-23 15:24:36,146 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:24:36,147 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:24:36,147 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493639888]
[2023-12-23 15:24:36,147 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [493639888] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:24:36,147 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:24:36,147 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 15:24:36,147 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591419180]
[2023-12-23 15:24:36,147 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:24:36,148 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 15:24:36,148 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:24:36,149 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 15:24:36,149 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 15:24:36,149 INFO  L87              Difference]: Start difference. First operand 260 states and 385 transitions. Second operand  has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39)
[2023-12-23 15:24:36,423 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:24:36,424 INFO  L93              Difference]: Finished difference Result 539 states and 786 transitions.
[2023-12-23 15:24:36,424 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 15:24:36,425 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 239
[2023-12-23 15:24:36,425 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:24:36,428 INFO  L225             Difference]: With dead ends: 539
[2023-12-23 15:24:36,428 INFO  L226             Difference]: Without dead ends: 323
[2023-12-23 15:24:36,429 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-23 15:24:36,430 INFO  L413           NwaCegarLoop]: 267 mSDtfsCounter, 149 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 15:24:36,433 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 651 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 15:24:36,436 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 323 states.
[2023-12-23 15:24:36,490 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 299.
[2023-12-23 15:24:36,491 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 299 states, 166 states have (on average 1.1746987951807228) internal successors, (195), 167 states have internal predecessors, (195), 117 states have call successors, (117), 15 states have call predecessors, (117), 15 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117)
[2023-12-23 15:24:36,493 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 429 transitions.
[2023-12-23 15:24:36,494 INFO  L78                 Accepts]: Start accepts. Automaton has 299 states and 429 transitions. Word has length 239
[2023-12-23 15:24:36,494 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:24:36,495 INFO  L495      AbstractCegarLoop]: Abstraction has 299 states and 429 transitions.
[2023-12-23 15:24:36,495 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39)
[2023-12-23 15:24:36,495 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states and 429 transitions.
[2023-12-23 15:24:36,497 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2023-12-23 15:24:36,498 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:24:36,498 INFO  L195           NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:36,519 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 15:24:36,719 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 15:24:36,720 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:24:36,721 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:24:36,721 INFO  L85        PathProgramCache]: Analyzing trace with hash -2105997449, now seen corresponding path program 1 times
[2023-12-23 15:24:36,722 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:24:36,722 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258380257]
[2023-12-23 15:24:36,722 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:24:36,722 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 15:24:36,722 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:24:36,723 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 15:24:36,729 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 15:24:37,384 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:24:37,412 INFO  L262         TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 15:24:37,416 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 15:24:37,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 2964 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2964 trivial. 0 not checked.
[2023-12-23 15:24:37,478 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 15:24:37,478 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 15:24:37,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258380257]
[2023-12-23 15:24:37,479 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [258380257] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 15:24:37,479 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 15:24:37,479 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 15:24:37,479 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453507012]
[2023-12-23 15:24:37,479 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 15:24:37,480 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 15:24:37,480 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 15:24:37,481 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 15:24:37,481 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 15:24:37,481 INFO  L87              Difference]: Start difference. First operand 299 states and 429 transitions. Second operand  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39)
[2023-12-23 15:24:38,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 15:24:38,096 INFO  L93              Difference]: Finished difference Result 523 states and 747 transitions.
[2023-12-23 15:24:38,097 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 15:24:38,097 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 239
[2023-12-23 15:24:38,099 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 15:24:38,105 INFO  L225             Difference]: With dead ends: 523
[2023-12-23 15:24:38,107 INFO  L226             Difference]: Without dead ends: 307
[2023-12-23 15:24:38,111 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 237 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 15:24:38,113 INFO  L413           NwaCegarLoop]: 189 mSDtfsCounter, 88 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-23 15:24:38,115 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-23 15:24:38,117 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 307 states.
[2023-12-23 15:24:38,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 196.
[2023-12-23 15:24:38,158 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 196 states, 106 states have (on average 1.1320754716981132) internal successors, (120), 107 states have internal predecessors, (120), 78 states have call successors, (78), 11 states have call predecessors, (78), 11 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78)
[2023-12-23 15:24:38,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 276 transitions.
[2023-12-23 15:24:38,160 INFO  L78                 Accepts]: Start accepts. Automaton has 196 states and 276 transitions. Word has length 239
[2023-12-23 15:24:38,162 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 15:24:38,162 INFO  L495      AbstractCegarLoop]: Abstraction has 196 states and 276 transitions.
[2023-12-23 15:24:38,162 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39)
[2023-12-23 15:24:38,162 INFO  L276                IsEmpty]: Start isEmpty. Operand 196 states and 276 transitions.
[2023-12-23 15:24:38,166 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2023-12-23 15:24:38,166 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 15:24:38,166 INFO  L195           NwaCegarLoop]: trace histogram [39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:24:38,189 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 15:24:38,380 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 15:24:38,381 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 15:24:38,381 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 15:24:38,381 INFO  L85        PathProgramCache]: Analyzing trace with hash 1465419660, now seen corresponding path program 1 times
[2023-12-23 15:24:38,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 15:24:38,382 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508717426]
[2023-12-23 15:24:38,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 15:24:38,382 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 15:24:38,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 15:24:38,386 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 15:24:38,414 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 15:24:39,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 15:24:39,153 INFO  L262         TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-23 15:24:39,162 INFO  L285         TraceCheckSpWp]: Computing forward predicates...