/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_codestructure_normal_file-67.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-22 21:15:50,956 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-22 21:15:51,006 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-22 21:15:51,010 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-22 21:15:51,011 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-22 21:15:51,033 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-22 21:15:51,033 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-22 21:15:51,034 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-22 21:15:51,034 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-22 21:15:51,034 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-22 21:15:51,035 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-22 21:15:51,035 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-22 21:15:51,035 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-22 21:15:51,036 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-22 21:15:51,036 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-22 21:15:51,036 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-22 21:15:51,037 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-22 21:15:51,037 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-22 21:15:51,037 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-22 21:15:51,038 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-22 21:15:51,038 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-22 21:15:51,041 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-22 21:15:51,041 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-22 21:15:51,042 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-22 21:15:51,042 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-22 21:15:51,042 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-22 21:15:51,042 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-22 21:15:51,043 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-22 21:15:51,043 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-22 21:15:51,043 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-22 21:15:51,043 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-22 21:15:51,044 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-22 21:15:51,044 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-22 21:15:51,044 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-22 21:15:51,044 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 21:15:51,045 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-22 21:15:51,045 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-22 21:15:51,045 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-22 21:15:51,046 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-22 21:15:51,046 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-22 21:15:51,046 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-22 21:15:51,046 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-22 21:15:51,047 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-22 21:15:51,047 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-22 21:15:51,047 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-22 21:15:51,047 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-22 21:15:51,047 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-22 21:15:51,222 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-22 21:15:51,248 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-22 21:15:51,250 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-22 21:15:51,251 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-22 21:15:51,252 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-22 21:15:51,254 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_normal_file-67.i
[2023-12-22 21:15:52,430 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-22 21:15:52,629 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-22 21:15:52,630 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_normal_file-67.i
[2023-12-22 21:15:52,646 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85772a13/3520ded18c36443da79befaa81d72c21/FLAG5df14705f
[2023-12-22 21:15:52,658 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a85772a13/3520ded18c36443da79befaa81d72c21
[2023-12-22 21:15:52,660 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-22 21:15:52,661 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-22 21:15:52,662 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-22 21:15:52,663 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-22 21:15:52,671 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-22 21:15:52,672 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:52,673 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1420ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52, skipping insertion in model container
[2023-12-22 21:15:52,673 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:52,700 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-22 21:15:52,828 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_codestructure_normal_file-67.i[913,926]
[2023-12-22 21:15:52,870 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 21:15:52,888 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-22 21:15:52,897 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_codestructure_normal_file-67.i[913,926]
[2023-12-22 21:15:52,921 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 21:15:52,937 INFO  L206         MainTranslator]: Completed translation
[2023-12-22 21:15:52,937 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52 WrapperNode
[2023-12-22 21:15:52,937 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-22 21:15:52,938 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-22 21:15:52,939 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-22 21:15:52,939 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-22 21:15:52,944 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:52,954 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:52,988 INFO  L138                Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152
[2023-12-22 21:15:52,988 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-22 21:15:52,990 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-22 21:15:52,990 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-22 21:15:52,990 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-22 21:15:52,999 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,000 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,004 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,015 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].
[2023-12-22 21:15:53,015 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,016 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,025 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,028 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,030 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,031 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,034 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-22 21:15:53,035 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-22 21:15:53,035 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-22 21:15:53,035 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-22 21:15:53,036 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (1/1) ...
[2023-12-22 21:15:53,043 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 21:15:53,055 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-22 21:15:53,072 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)
[2023-12-22 21:15:53,102 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
[2023-12-22 21:15:53,110 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-22 21:15:53,110 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-22 21:15:53,110 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-22 21:15:53,111 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-22 21:15:53,112 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-22 21:15:53,112 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-22 21:15:53,204 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-22 21:15:53,208 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-22 21:15:54,878 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-22 21:15:54,913 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-22 21:15:54,913 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-22 21:15:54,914 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:15:54 BoogieIcfgContainer
[2023-12-22 21:15:54,914 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-22 21:15:54,916 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-22 21:15:54,916 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-22 21:15:54,919 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-22 21:15:54,919 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 09:15:52" (1/3) ...
[2023-12-22 21:15:54,919 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a086f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:15:54, skipping insertion in model container
[2023-12-22 21:15:54,920 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:15:52" (2/3) ...
[2023-12-22 21:15:54,920 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a086f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:15:54, skipping insertion in model container
[2023-12-22 21:15:54,920 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:15:54" (3/3) ...
[2023-12-22 21:15:54,922 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-67.i
[2023-12-22 21:15:54,936 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-22 21:15:54,936 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-22 21:15:54,971 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-22 21:15:54,976 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;@6108fb6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-22 21:15:54,976 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-22 21:15:54,980 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 69 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2023-12-22 21:15:54,995 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2023-12-22 21:15:54,995 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 21:15:54,996 INFO  L195           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-22 21:15:54,997 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 21:15:55,002 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 21:15:55,002 INFO  L85        PathProgramCache]: Analyzing trace with hash 282924260, now seen corresponding path program 1 times
[2023-12-22 21:15:55,013 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 21:15:55,013 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115956879]
[2023-12-22 21:15:55,014 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 21:15:55,014 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
[2023-12-22 21:15:55,014 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 21:15:55,015 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)
[2023-12-22 21:15:55,019 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
[2023-12-22 21:15:55,270 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 21:15:55,291 INFO  L262         TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-22 21:15:55,303 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 21:15:55,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked.
[2023-12-22 21:15:55,349 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 21:15:55,350 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 21:15:55,350 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115956879]
[2023-12-22 21:15:55,351 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115956879] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 21:15:55,351 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 21:15:55,351 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 21:15:55,353 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295146340]
[2023-12-22 21:15:55,353 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 21:15:55,358 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-22 21:15:55,358 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 21:15:55,387 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-22 21:15:55,388 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 21:15:55,390 INFO  L87              Difference]: Start difference. First operand  has 69 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2023-12-22 21:15:56,022 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 21:15:56,022 INFO  L93              Difference]: Finished difference Result 135 states and 246 transitions.
[2023-12-22 21:15:56,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-22 21:15:56,050 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 166
[2023-12-22 21:15:56,051 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 21:15:56,056 INFO  L225             Difference]: With dead ends: 135
[2023-12-22 21:15:56,057 INFO  L226             Difference]: Without dead ends: 67
[2023-12-22 21:15:56,060 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 21:15:56,063 INFO  L413           NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-12-22 21:15:56,064 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-12-22 21:15:56,078 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2023-12-22 21:15:56,103 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67.
[2023-12-22 21:15:56,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 67 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2023-12-22 21:15:56,107 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 105 transitions.
[2023-12-22 21:15:56,109 INFO  L78                 Accepts]: Start accepts. Automaton has 67 states and 105 transitions. Word has length 166
[2023-12-22 21:15:56,109 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 21:15:56,109 INFO  L495      AbstractCegarLoop]: Abstraction has 67 states and 105 transitions.
[2023-12-22 21:15:56,109 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)
[2023-12-22 21:15:56,110 INFO  L276                IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions.
[2023-12-22 21:15:56,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2023-12-22 21:15:56,115 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 21:15:56,115 INFO  L195           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-22 21:15:56,128 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
[2023-12-22 21:15:56,326 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
[2023-12-22 21:15:56,327 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 21:15:56,328 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 21:15:56,328 INFO  L85        PathProgramCache]: Analyzing trace with hash -10620580, now seen corresponding path program 1 times
[2023-12-22 21:15:56,329 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 21:15:56,329 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889597606]
[2023-12-22 21:15:56,329 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 21:15:56,330 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
[2023-12-22 21:15:56,330 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 21:15:56,333 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)
[2023-12-22 21:15:56,365 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
[2023-12-22 21:15:56,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 21:15:56,633 INFO  L262         TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-22 21:15:56,641 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 21:15:57,379 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked.
[2023-12-22 21:15:57,380 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-22 21:15:57,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked.
[2023-12-22 21:15:57,744 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 21:15:57,747 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889597606]
[2023-12-22 21:15:57,748 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889597606] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-22 21:15:57,748 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-22 21:15:57,748 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2023-12-22 21:15:57,748 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5150419]
[2023-12-22 21:15:57,748 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-22 21:15:57,750 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-12-22 21:15:57,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 21:15:57,751 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-12-22 21:15:57,752 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2023-12-22 21:15:57,755 INFO  L87              Difference]: Start difference. First operand 67 states and 105 transitions. Second operand  has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50)
[2023-12-22 21:15:59,510 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 21:15:59,510 INFO  L93              Difference]: Finished difference Result 137 states and 210 transitions.
[2023-12-22 21:15:59,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-12-22 21:15:59,546 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 166
[2023-12-22 21:15:59,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 21:15:59,548 INFO  L225             Difference]: With dead ends: 137
[2023-12-22 21:15:59,548 INFO  L226             Difference]: Without dead ends: 71
[2023-12-22 21:15:59,549 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210
[2023-12-22 21:15:59,550 INFO  L413           NwaCegarLoop]: 59 mSDtfsCounter, 94 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2023-12-22 21:15:59,551 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 119 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2023-12-22 21:15:59,552 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2023-12-22 21:15:59,566 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69.
[2023-12-22 21:15:59,566 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 69 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2023-12-22 21:15:59,568 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions.
[2023-12-22 21:15:59,568 INFO  L78                 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 166
[2023-12-22 21:15:59,569 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 21:15:59,569 INFO  L495      AbstractCegarLoop]: Abstraction has 69 states and 100 transitions.
[2023-12-22 21:15:59,569 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50)
[2023-12-22 21:15:59,569 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions.
[2023-12-22 21:15:59,572 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2023-12-22 21:15:59,572 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 21:15:59,572 INFO  L195           NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-22 21:15:59,584 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
[2023-12-22 21:15:59,783 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
[2023-12-22 21:15:59,784 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 21:15:59,785 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 21:15:59,785 INFO  L85        PathProgramCache]: Analyzing trace with hash 1857746322, now seen corresponding path program 1 times
[2023-12-22 21:15:59,786 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 21:15:59,786 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188314774]
[2023-12-22 21:15:59,786 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 21:15:59,786 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
[2023-12-22 21:15:59,786 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 21:15:59,788 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)
[2023-12-22 21:15:59,818 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
[2023-12-22 21:16:00,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 21:16:00,066 INFO  L262         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjunts are in the unsatisfiable core
[2023-12-22 21:16:00,074 INFO  L285         TraceCheckSpWp]: Computing forward predicates...