/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-pr-co_file-11.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-23 12:43:16,774 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-23 12:43:16,855 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 12:43:16,859 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-23 12:43:16,860 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-23 12:43:16,886 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-23 12:43:16,887 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-23 12:43:16,887 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-23 12:43:16,888 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-23 12:43:16,891 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-23 12:43:16,892 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-23 12:43:16,892 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-23 12:43:16,892 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-23 12:43:16,893 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-23 12:43:16,894 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-23 12:43:16,894 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-23 12:43:16,895 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-23 12:43:16,895 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-23 12:43:16,895 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-23 12:43:16,895 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-23 12:43:16,895 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-23 12:43:16,896 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-23 12:43:16,896 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-23 12:43:16,896 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-23 12:43:16,897 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-23 12:43:16,897 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-23 12:43:16,897 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-23 12:43:16,897 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-23 12:43:16,897 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-23 12:43:16,898 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-23 12:43:16,899 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-23 12:43:16,899 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-23 12:43:16,899 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-23 12:43:16,899 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-23 12:43:16,899 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 12:43:16,899 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-23 12:43:16,900 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-23 12:43:16,900 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-23 12:43:16,900 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-23 12:43:16,900 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-23 12:43:16,900 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-23 12:43:16,901 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-23 12:43:16,901 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-23 12:43:16,901 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-23 12:43:16,901 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-23 12:43:16,902 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-23 12:43:16,902 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-23 12:43:17,116 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-23 12:43:17,136 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-23 12:43:17,138 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-23 12:43:17,139 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-23 12:43:17,139 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-23 12:43:17,141 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-11.i
[2023-12-23 12:43:18,309 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-23 12:43:18,529 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-23 12:43:18,529 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-11.i
[2023-12-23 12:43:18,536 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea0e914f/0bf6318328694f91ae2ecf7c0b6c8992/FLAG3112995db
[2023-12-23 12:43:18,546 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea0e914f/0bf6318328694f91ae2ecf7c0b6c8992
[2023-12-23 12:43:18,548 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-23 12:43:18,549 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-23 12:43:18,550 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-23 12:43:18,550 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-23 12:43:18,556 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-23 12:43:18,556 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,557 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d057c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18, skipping insertion in model container
[2023-12-23 12:43:18,557 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,594 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-23 12:43:18,745 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-pr-co_file-11.i[919,932]
[2023-12-23 12:43:18,802 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 12:43:18,819 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-23 12:43:18,827 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-pr-co_file-11.i[919,932]
[2023-12-23 12:43:18,873 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-23 12:43:18,893 INFO  L206         MainTranslator]: Completed translation
[2023-12-23 12:43:18,894 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18 WrapperNode
[2023-12-23 12:43:18,894 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-23 12:43:18,895 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-23 12:43:18,895 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-23 12:43:18,895 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-23 12:43:18,899 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,910 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,941 INFO  L138                Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191
[2023-12-23 12:43:18,941 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-23 12:43:18,942 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-23 12:43:18,942 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-23 12:43:18,942 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-23 12:43:18,951 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,951 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,955 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,965 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 12:43:18,966 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,966 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,974 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,991 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,994 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:18,995 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:19,001 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-23 12:43:19,002 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-23 12:43:19,002 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-23 12:43:19,002 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-23 12:43:19,002 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (1/1) ...
[2023-12-23 12:43:19,007 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-23 12:43:19,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-23 12:43:19,037 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 12:43:19,063 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 12:43:19,069 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-23 12:43:19,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-23 12:43:19,069 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-23 12:43:19,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-23 12:43:19,071 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-23 12:43:19,071 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-23 12:43:19,179 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-23 12:43:19,181 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-23 12:43:21,541 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-23 12:43:21,589 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-23 12:43:21,590 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-23 12:43:21,590 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:43:21 BoogieIcfgContainer
[2023-12-23 12:43:21,590 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-23 12:43:21,597 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-23 12:43:21,597 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-23 12:43:21,600 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-23 12:43:21,600 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:43:18" (1/3) ...
[2023-12-23 12:43:21,601 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431378ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:43:21, skipping insertion in model container
[2023-12-23 12:43:21,601 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:43:18" (2/3) ...
[2023-12-23 12:43:21,601 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431378ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:43:21, skipping insertion in model container
[2023-12-23 12:43:21,602 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:43:21" (3/3) ...
[2023-12-23 12:43:21,602 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-11.i
[2023-12-23 12:43:21,616 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-23 12:43:21,616 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-23 12:43:21,654 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-23 12:43:21,659 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;@25c0570, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-23 12:43:21,660 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-23 12:43:21,663 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 79 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 50 states have internal predecessors, (76), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2023-12-23 12:43:21,680 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2023-12-23 12:43:21,681 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 12:43:21,681 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:21,682 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 12:43:21,687 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 12:43:21,687 INFO  L85        PathProgramCache]: Analyzing trace with hash 104009431, now seen corresponding path program 1 times
[2023-12-23 12:43:21,703 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 12:43:21,703 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473434843]
[2023-12-23 12:43:21,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 12:43:21,704 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 12:43:21,704 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 12:43:21,706 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 12:43:21,710 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 12:43:21,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 12:43:22,001 INFO  L262         TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-23 12:43:22,010 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 12:43:22,065 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked.
[2023-12-23 12:43:22,065 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 12:43:22,066 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 12:43:22,066 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473434843]
[2023-12-23 12:43:22,067 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [473434843] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 12:43:22,067 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 12:43:22,067 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-23 12:43:22,075 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479595787]
[2023-12-23 12:43:22,076 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 12:43:22,080 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-23 12:43:22,080 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 12:43:22,112 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-23 12:43:22,112 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-23 12:43:22,115 INFO  L87              Difference]: Start difference. First operand  has 79 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 50 states have internal predecessors, (76), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand  has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2023-12-23 12:43:22,190 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 12:43:22,191 INFO  L93              Difference]: Finished difference Result 155 states and 285 transitions.
[2023-12-23 12:43:22,194 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-23 12:43:22,195 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167
[2023-12-23 12:43:22,195 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 12:43:22,201 INFO  L225             Difference]: With dead ends: 155
[2023-12-23 12:43:22,201 INFO  L226             Difference]: Without dead ends: 77
[2023-12-23 12:43:22,204 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 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 12:43:22,207 INFO  L413           NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-23 12:43:22,208 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-23 12:43:22,220 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2023-12-23 12:43:22,241 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2023-12-23 12:43:22,242 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 77 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27)
[2023-12-23 12:43:22,244 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 123 transitions.
[2023-12-23 12:43:22,245 INFO  L78                 Accepts]: Start accepts. Automaton has 77 states and 123 transitions. Word has length 167
[2023-12-23 12:43:22,245 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 12:43:22,245 INFO  L495      AbstractCegarLoop]: Abstraction has 77 states and 123 transitions.
[2023-12-23 12:43:22,246 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)
[2023-12-23 12:43:22,246 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions.
[2023-12-23 12:43:22,249 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2023-12-23 12:43:22,249 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 12:43:22,249 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:22,261 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 12:43:22,458 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 12:43:22,458 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 12:43:22,459 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 12:43:22,459 INFO  L85        PathProgramCache]: Analyzing trace with hash 1518491357, now seen corresponding path program 1 times
[2023-12-23 12:43:22,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 12:43:22,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272379139]
[2023-12-23 12:43:22,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 12:43:22,461 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 12:43:22,462 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 12:43:22,463 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 12:43:22,473 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 12:43:22,675 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 12:43:22,681 INFO  L262         TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-23 12:43:22,687 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 12:43:23,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2023-12-23 12:43:23,586 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 12:43:23,586 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 12:43:23,587 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272379139]
[2023-12-23 12:43:23,587 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [272379139] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 12:43:23,588 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 12:43:23,588 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-23 12:43:23,588 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753618219]
[2023-12-23 12:43:23,588 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 12:43:23,589 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-23 12:43:23,589 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 12:43:23,591 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-23 12:43:23,591 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-23 12:43:23,591 INFO  L87              Difference]: Start difference. First operand 77 states and 123 transitions. Second operand  has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2023-12-23 12:43:24,145 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 12:43:24,145 INFO  L93              Difference]: Finished difference Result 230 states and 368 transitions.
[2023-12-23 12:43:24,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-23 12:43:24,150 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167
[2023-12-23 12:43:24,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 12:43:24,153 INFO  L225             Difference]: With dead ends: 230
[2023-12-23 12:43:24,153 INFO  L226             Difference]: Without dead ends: 154
[2023-12-23 12:43:24,154 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-23 12:43:24,155 INFO  L413           NwaCegarLoop]: 118 mSDtfsCounter, 125 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-12-23 12:43:24,155 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 410 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-12-23 12:43:24,156 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 154 states.
[2023-12-23 12:43:24,183 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125.
[2023-12-23 12:43:24,184 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 125 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 68 states have internal predecessors, (89), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2023-12-23 12:43:24,187 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 197 transitions.
[2023-12-23 12:43:24,187 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 197 transitions. Word has length 167
[2023-12-23 12:43:24,189 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 12:43:24,190 INFO  L495      AbstractCegarLoop]: Abstraction has 125 states and 197 transitions.
[2023-12-23 12:43:24,190 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2023-12-23 12:43:24,190 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 197 transitions.
[2023-12-23 12:43:24,192 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 169
[2023-12-23 12:43:24,192 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 12:43:24,193 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:24,202 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-23 12:43:24,401 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 12:43:24,401 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 12:43:24,402 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 12:43:24,402 INFO  L85        PathProgramCache]: Analyzing trace with hash 1676699383, now seen corresponding path program 1 times
[2023-12-23 12:43:24,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 12:43:24,403 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792707319]
[2023-12-23 12:43:24,403 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 12:43:24,403 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 12:43:24,403 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 12:43:24,404 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 12:43:24,407 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 12:43:24,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 12:43:24,609 INFO  L262         TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-23 12:43:24,613 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 12:43:24,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked.
[2023-12-23 12:43:24,889 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-12-23 12:43:25,146 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked.
[2023-12-23 12:43:25,147 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 12:43:25,147 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792707319]
[2023-12-23 12:43:25,147 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792707319] provided 0 perfect and 2 imperfect interpolant sequences
[2023-12-23 12:43:25,147 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-23 12:43:25,148 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2023-12-23 12:43:25,148 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335449098]
[2023-12-23 12:43:25,148 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-23 12:43:25,149 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-12-23 12:43:25,149 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 12:43:25,150 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-12-23 12:43:25,150 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2023-12-23 12:43:25,150 INFO  L87              Difference]: Start difference. First operand 125 states and 197 transitions. Second operand  has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51)
[2023-12-23 12:43:25,783 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 12:43:25,783 INFO  L93              Difference]: Finished difference Result 217 states and 333 transitions.
[2023-12-23 12:43:25,788 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-12-23 12:43:25,789 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 168
[2023-12-23 12:43:25,792 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 12:43:25,793 INFO  L225             Difference]: With dead ends: 217
[2023-12-23 12:43:25,794 INFO  L226             Difference]: Without dead ends: 141
[2023-12-23 12:43:25,794 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240
[2023-12-23 12:43:25,795 INFO  L413           NwaCegarLoop]: 81 mSDtfsCounter, 192 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-12-23 12:43:25,796 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 187 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-12-23 12:43:25,799 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2023-12-23 12:43:25,836 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133.
[2023-12-23 12:43:25,837 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 133 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 74 states have internal predecessors, (91), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2023-12-23 12:43:25,838 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 199 transitions.
[2023-12-23 12:43:25,838 INFO  L78                 Accepts]: Start accepts. Automaton has 133 states and 199 transitions. Word has length 168
[2023-12-23 12:43:25,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 12:43:25,839 INFO  L495      AbstractCegarLoop]: Abstraction has 133 states and 199 transitions.
[2023-12-23 12:43:25,840 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51)
[2023-12-23 12:43:25,840 INFO  L276                IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions.
[2023-12-23 12:43:25,844 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2023-12-23 12:43:25,844 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 12:43:25,844 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:25,855 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 (4)] Forceful destruction successful, exit code 0
[2023-12-23 12:43:26,052 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 12:43:26,053 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 12:43:26,053 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 12:43:26,053 INFO  L85        PathProgramCache]: Analyzing trace with hash 42234183, now seen corresponding path program 1 times
[2023-12-23 12:43:26,054 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 12:43:26,054 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506641624]
[2023-12-23 12:43:26,054 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 12:43:26,054 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 12:43:26,054 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 12:43:26,056 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 12:43:26,058 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 12:43:26,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 12:43:26,228 INFO  L262         TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-23 12:43:26,232 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-23 12:43:26,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked.
[2023-12-23 12:43:26,586 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-23 12:43:26,586 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-23 12:43:26,586 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506641624]
[2023-12-23 12:43:26,586 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [506641624] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-23 12:43:26,586 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-23 12:43:26,586 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-23 12:43:26,586 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517271735]
[2023-12-23 12:43:26,586 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-23 12:43:26,587 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-23 12:43:26,587 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-23 12:43:26,588 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-23 12:43:26,588 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-23 12:43:26,588 INFO  L87              Difference]: Start difference. First operand 133 states and 199 transitions. Second operand  has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2023-12-23 12:43:28,044 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-23 12:43:31,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-23 12:43:31,044 INFO  L93              Difference]: Finished difference Result 221 states and 333 transitions.
[2023-12-23 12:43:31,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-23 12:43:31,045 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169
[2023-12-23 12:43:31,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-23 12:43:31,047 INFO  L225             Difference]: With dead ends: 221
[2023-12-23 12:43:31,047 INFO  L226             Difference]: Without dead ends: 141
[2023-12-23 12:43:31,048 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 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 12:43:31,048 INFO  L413           NwaCegarLoop]: 176 mSDtfsCounter, 97 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time
[2023-12-23 12:43:31,049 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 250 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time]
[2023-12-23 12:43:31,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2023-12-23 12:43:31,071 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 138.
[2023-12-23 12:43:31,072 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 138 states, 79 states have (on average 1.240506329113924) internal successors, (98), 79 states have internal predecessors, (98), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2023-12-23 12:43:31,073 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 206 transitions.
[2023-12-23 12:43:31,073 INFO  L78                 Accepts]: Start accepts. Automaton has 138 states and 206 transitions. Word has length 169
[2023-12-23 12:43:31,074 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-23 12:43:31,074 INFO  L495      AbstractCegarLoop]: Abstraction has 138 states and 206 transitions.
[2023-12-23 12:43:31,074 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)
[2023-12-23 12:43:31,074 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 206 transitions.
[2023-12-23 12:43:31,076 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2023-12-23 12:43:31,076 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-23 12:43:31,076 INFO  L195           NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:31,087 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 12:43:31,283 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 12:43:31,284 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-23 12:43:31,284 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-23 12:43:31,285 INFO  L85        PathProgramCache]: Analyzing trace with hash -1146180740, now seen corresponding path program 1 times
[2023-12-23 12:43:31,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-23 12:43:31,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181058783]
[2023-12-23 12:43:31,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-23 12:43:31,286 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 12:43:31,286 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-23 12:43:31,287 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 12:43:31,289 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 12:43:31,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-23 12:43:31,487 INFO  L262         TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-23 12:43:31,493 INFO  L285         TraceCheckSpWp]: Computing forward predicates...