/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-pe-cn_file-50.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 08:36:17,296 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 08:36:17,364 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 08:36:17,367 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 08:36:17,368 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 08:36:17,389 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 08:36:17,390 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 08:36:17,390 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 08:36:17,391 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 08:36:17,395 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 08:36:17,395 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 08:36:17,396 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 08:36:17,396 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 08:36:17,397 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 08:36:17,398 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 08:36:17,398 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 08:36:17,398 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 08:36:17,398 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 08:36:17,400 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 08:36:17,400 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 08:36:17,400 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 08:36:17,400 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 08:36:17,400 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 08:36:17,401 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 08:36:17,401 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 08:36:17,401 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 08:36:17,401 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 08:36:17,401 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 08:36:17,401 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 08:36:17,401 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 08:36:17,402 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 08:36:17,402 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 08:36:17,402 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 08:36:17,403 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 08:36:17,403 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 08:36:17,403 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 08:36:17,403 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 08:36:17,403 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 08:36:17,403 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 08:36:17,403 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 08:36:17,403 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 08:36:17,404 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 08:36:17,404 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 08:36:17,404 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 08:36:17,404 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 08:36:17,404 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 08:36:17,404 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 08:36:17,594 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 08:36:17,620 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 08:36:17,621 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 08:36:17,622 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 08:36:17,623 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 08:36:17,624 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-50.i
[2023-12-23 08:36:18,749 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 08:36:18,968 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 08:36:18,969 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-50.i
[2023-12-23 08:36:18,975 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5582260/d78778c49daf4009a9cf4ffc20d8a7d0/FLAGbd95f35ae
[2023-12-23 08:36:18,987 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5582260/d78778c49daf4009a9cf4ffc20d8a7d0
[2023-12-23 08:36:18,989 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 08:36:18,989 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 08:36:18,990 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 08:36:18,990 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 08:36:18,995 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 08:36:18,995 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:36:18" (1/1) ...
[2023-12-23 08:36:18,996 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c630694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:18, skipping insertion in model container
[2023-12-23 08:36:18,996 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:36:18" (1/1) ...
[2023-12-23 08:36:19,030 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 08:36:19,150 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-pe-cn_file-50.i[919,932]
[2023-12-23 08:36:19,204 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 08:36:19,225 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 08:36:19,234 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-pe-cn_file-50.i[919,932]
[2023-12-23 08:36:19,261 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 08:36:19,274 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 08:36:19,274 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19 WrapperNode
[2023-12-23 08:36:19,274 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 08:36:19,275 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 08:36:19,275 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 08:36:19,275 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 08:36:19,280 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,291 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,315 INFO  L138                Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225
[2023-12-23 08:36:19,315 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 08:36:19,316 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 08:36:19,316 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 08:36:19,316 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 08:36:19,327 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,327 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,330 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,347 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 08:36:19,347 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,347 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,372 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,374 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,376 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,377 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,380 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 08:36:19,381 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 08:36:19,381 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 08:36:19,381 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 08:36:19,382 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (1/1) ...
[2023-12-23 08:36:19,385 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 08:36:19,394 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 08:36:19,404 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 08:36:19,421 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 08:36:19,429 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 08:36:19,429 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 08:36:19,429 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 08:36:19,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 08:36:19,429 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 08:36:19,429 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 08:36:19,501 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 08:36:19,503 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 08:36:28,608 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 08:36:28,671 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 08:36:28,671 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 08:36:28,671 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:36:28 BoogieIcfgContainer
[2023-12-23 08:36:28,671 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 08:36:28,673 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 08:36:28,673 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 08:36:28,675 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 08:36:28,676 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:36:18" (1/3) ...
[2023-12-23 08:36:28,676 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7258ab3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:36:28, skipping insertion in model container
[2023-12-23 08:36:28,676 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:36:19" (2/3) ...
[2023-12-23 08:36:28,677 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7258ab3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:36:28, skipping insertion in model container
[2023-12-23 08:36:28,677 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:36:28" (3/3) ...
[2023-12-23 08:36:28,678 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-50.i
[2023-12-23 08:36:28,694 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 08:36:28,694 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 08:36:28,746 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 08:36:28,754 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;@3b598101, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 08:36:28,755 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 08:36:28,758 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 97 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 56 states have internal predecessors, (76), 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 08:36:28,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2023-12-23 08:36:28,779 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:36:28,779 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 08:36:28,780 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:36:28,787 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:36:28,787 INFO  L85        PathProgramCache]: Analyzing trace with hash 1010859796, now seen corresponding path program 1 times
[2023-12-23 08:36:28,799 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:36:28,800 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602019095]
[2023-12-23 08:36:28,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:36:28,801 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 08:36:28,801 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:36:28,803 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 08:36:28,848 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 08:36:29,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:36:29,535 INFO  L262         TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 08:36:29,545 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:36:29,603 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 08:36:29,603 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 08:36:29,604 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:36:29,605 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602019095]
[2023-12-23 08:36:29,605 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [602019095] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 08:36:29,605 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 08:36:29,605 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 08:36:29,607 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262683917]
[2023-12-23 08:36:29,607 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 08:36:29,612 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 08:36:29,612 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:36:29,636 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 08:36:29,637 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 08:36:29,639 INFO  L87              Difference]: Start difference. First operand  has 97 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 56 states have internal predecessors, (76), 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 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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 08:36:29,892 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:36:29,892 INFO  L93              Difference]: Finished difference Result 191 states and 345 transitions.
[2023-12-23 08:36:29,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 08:36:29,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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 240
[2023-12-23 08:36:29,905 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:36:29,911 INFO  L225             Difference]: With dead ends: 191
[2023-12-23 08:36:29,911 INFO  L226             Difference]: Without dead ends: 95
[2023-12-23 08:36:29,918 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 239 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 08:36:29,923 INFO  L413           NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-23 08:36:29,924 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 08:36:29,936 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2023-12-23 08:36:29,958 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2023-12-23 08:36:29,959 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 54 states have internal predecessors, (70), 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 08:36:29,964 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions.
[2023-12-23 08:36:29,966 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 240
[2023-12-23 08:36:29,966 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:36:29,966 INFO  L495      AbstractCegarLoop]: Abstraction has 95 states and 148 transitions.
[2023-12-23 08:36:29,966 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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 08:36:29,967 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions.
[2023-12-23 08:36:29,974 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2023-12-23 08:36:29,975 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:36:29,975 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 08:36:29,994 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 08:36:30,175 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 08:36:30,176 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:36:30,176 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:36:30,177 INFO  L85        PathProgramCache]: Analyzing trace with hash 1221167898, now seen corresponding path program 1 times
[2023-12-23 08:36:30,177 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:36:30,177 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457266484]
[2023-12-23 08:36:30,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:36:30,178 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 08:36:30,178 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:36:30,180 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 08:36:30,186 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 08:36:30,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:36:30,809 INFO  L262         TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 08:36:30,813 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:36:31,003 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 08:36:31,003 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 08:36:31,004 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:36:31,004 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457266484]
[2023-12-23 08:36:31,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457266484] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 08:36:31,004 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 08:36:31,004 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 08:36:31,004 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287498769]
[2023-12-23 08:36:31,004 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 08:36:31,005 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 08:36:31,006 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:36:31,006 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 08:36:31,006 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 08:36:31,006 INFO  L87              Difference]: Start difference. First operand 95 states and 148 transitions. Second operand  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 08:36:31,270 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:36:31,270 INFO  L93              Difference]: Finished difference Result 260 states and 407 transitions.
[2023-12-23 08:36:31,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 08:36:31,271 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 240
[2023-12-23 08:36:31,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:36:31,275 INFO  L225             Difference]: With dead ends: 260
[2023-12-23 08:36:31,275 INFO  L226             Difference]: Without dead ends: 166
[2023-12-23 08:36:31,276 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 237 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 08:36:31,278 INFO  L413           NwaCegarLoop]: 252 mSDtfsCounter, 167 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 588 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 08:36:31,278 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 588 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-23 08:36:31,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2023-12-23 08:36:31,327 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 95.
[2023-12-23 08:36:31,327 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 54 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 08:36:31,329 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 147 transitions.
[2023-12-23 08:36:31,329 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 147 transitions. Word has length 240
[2023-12-23 08:36:31,331 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:36:31,331 INFO  L495      AbstractCegarLoop]: Abstraction has 95 states and 147 transitions.
[2023-12-23 08:36:31,332 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 08:36:31,332 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions.
[2023-12-23 08:36:31,334 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2023-12-23 08:36:31,335 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:36:31,335 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 08:36:31,353 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-23 08:36:31,535 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 08:36:31,536 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:36:31,536 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:36:31,536 INFO  L85        PathProgramCache]: Analyzing trace with hash 634361884, now seen corresponding path program 1 times
[2023-12-23 08:36:31,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:36:31,537 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117563108]
[2023-12-23 08:36:31,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:36:31,537 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 08:36:31,537 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:36:31,539 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 08:36:31,540 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 08:36:32,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:36:32,187 INFO  L262         TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-12-23 08:36:32,192 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:36:34,492 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 08:36:34,493 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 08:36:36,529 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 08:36:36,530 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:36:36,530 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117563108]
[2023-12-23 08:36:36,530 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [117563108] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 08:36:36,530 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 08:36:36,530 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 24
[2023-12-23 08:36:36,530 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745997743]
[2023-12-23 08:36:36,530 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 08:36:36,531 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2023-12-23 08:36:36,531 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:36:36,532 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2023-12-23 08:36:36,532 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552
[2023-12-23 08:36:36,533 INFO  L87              Difference]: Start difference. First operand 95 states and 147 transitions. Second operand  has 24 states, 24 states have (on average 3.6666666666666665) internal successors, (88), 24 states have internal predecessors, (88), 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 08:36:43,916 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:36:43,917 INFO  L93              Difference]: Finished difference Result 388 states and 569 transitions.
[2023-12-23 08:36:43,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2023-12-23 08:36:43,918 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 24 states have (on average 3.6666666666666665) internal successors, (88), 24 states have internal predecessors, (88), 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 240
[2023-12-23 08:36:43,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:36:43,925 INFO  L225             Difference]: With dead ends: 388
[2023-12-23 08:36:43,925 INFO  L226             Difference]: Without dead ends: 294
[2023-12-23 08:36:43,926 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 461 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1091, Invalid=2941, Unknown=0, NotChecked=0, Total=4032
[2023-12-23 08:36:43,929 INFO  L413           NwaCegarLoop]: 203 mSDtfsCounter, 463 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 662 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time
[2023-12-23 08:36:43,930 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 966 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [662 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time]
[2023-12-23 08:36:43,932 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2023-12-23 08:36:43,979 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 262.
[2023-12-23 08:36:43,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 262 states, 146 states have (on average 1.1986301369863013) internal successors, (175), 147 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 08:36:43,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 385 transitions.
[2023-12-23 08:36:43,983 INFO  L78                 Accepts]: Start accepts. Automaton has 262 states and 385 transitions. Word has length 240
[2023-12-23 08:36:43,985 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:36:43,985 INFO  L495      AbstractCegarLoop]: Abstraction has 262 states and 385 transitions.
[2023-12-23 08:36:43,986 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 3.6666666666666665) internal successors, (88), 24 states have internal predecessors, (88), 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 08:36:43,986 INFO  L276                IsEmpty]: Start isEmpty. Operand 262 states and 385 transitions.
[2023-12-23 08:36:43,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2023-12-23 08:36:43,989 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:36:43,989 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 08:36:44,008 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 08:36:44,205 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 08:36:44,205 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:36:44,206 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:36:44,206 INFO  L85        PathProgramCache]: Analyzing trace with hash -1885598050, now seen corresponding path program 1 times
[2023-12-23 08:36:44,207 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:36:44,207 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012523392]
[2023-12-23 08:36:44,207 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:36:44,207 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 08:36:44,207 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:36:44,213 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 08:36:44,236 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 08:36:44,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:36:44,895 INFO  L262         TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-23 08:36:44,899 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 08:36:44,957 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 08:36:44,957 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 08:36:44,958 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 08:36:44,958 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012523392]
[2023-12-23 08:36:44,958 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012523392] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 08:36:44,958 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 08:36:44,958 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 08:36:44,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629684067]
[2023-12-23 08:36:44,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 08:36:44,959 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-23 08:36:44,959 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 08:36:44,959 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-23 08:36:44,959 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-23 08:36:44,960 INFO  L87              Difference]: Start difference. First operand 262 states and 385 transitions. Second operand  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 08:36:45,342 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 08:36:45,343 INFO  L93              Difference]: Finished difference Result 488 states and 705 transitions.
[2023-12-23 08:36:45,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-23 08:36:45,343 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 240
[2023-12-23 08:36:45,344 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 08:36:45,346 INFO  L225             Difference]: With dead ends: 488
[2023-12-23 08:36:45,346 INFO  L226             Difference]: Without dead ends: 270
[2023-12-23 08:36:45,347 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 238 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 08:36:45,348 INFO  L413           NwaCegarLoop]: 190 mSDtfsCounter, 69 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-12-23 08:36:45,349 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 310 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-12-23 08:36:45,349 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 270 states.
[2023-12-23 08:36:45,363 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270.
[2023-12-23 08:36:45,364 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 270 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 153 states have internal predecessors, (180), 105 states have call successors, (105), 12 states have call predecessors, (105), 12 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105)
[2023-12-23 08:36:45,365 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 390 transitions.
[2023-12-23 08:36:45,366 INFO  L78                 Accepts]: Start accepts. Automaton has 270 states and 390 transitions. Word has length 240
[2023-12-23 08:36:45,366 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 08:36:45,366 INFO  L495      AbstractCegarLoop]: Abstraction has 270 states and 390 transitions.
[2023-12-23 08:36:45,366 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 08:36:45,366 INFO  L276                IsEmpty]: Start isEmpty. Operand 270 states and 390 transitions.
[2023-12-23 08:36:45,368 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 242
[2023-12-23 08:36:45,368 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 08:36:45,368 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, 1]
[2023-12-23 08:36:45,386 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 08:36:45,586 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 08:36:45,587 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 08:36:45,587 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 08:36:45,587 INFO  L85        PathProgramCache]: Analyzing trace with hash -1820388838, now seen corresponding path program 1 times
[2023-12-23 08:36:45,588 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 08:36:45,588 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397361462]
[2023-12-23 08:36:45,588 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 08:36:45,588 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 08:36:45,588 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 08:36:45,589 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 08:36:45,592 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 08:36:46,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 08:36:46,566 INFO  L262         TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-23 08:36:46,572 INFO  L285         TraceCheckSpWp]: Computing forward predicates...