/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_functionizing_file-1.i


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-22 20:33:38,030 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-22 20:33:38,093 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 20:33:38,097 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-22 20:33:38,097 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-22 20:33:38,118 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-22 20:33:38,119 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-22 20:33:38,119 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-22 20:33:38,120 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-22 20:33:38,122 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-22 20:33:38,123 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-22 20:33:38,123 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-22 20:33:38,124 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-22 20:33:38,124 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-22 20:33:38,125 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-22 20:33:38,125 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-22 20:33:38,125 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-22 20:33:38,125 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-22 20:33:38,126 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-22 20:33:38,126 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-22 20:33:38,126 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-22 20:33:38,126 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-22 20:33:38,126 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-22 20:33:38,127 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-22 20:33:38,127 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-22 20:33:38,127 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-22 20:33:38,127 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-22 20:33:38,127 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-22 20:33:38,127 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-22 20:33:38,127 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-22 20:33:38,128 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-22 20:33:38,128 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-22 20:33:38,128 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-22 20:33:38,129 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-22 20:33:38,129 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 20:33:38,129 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-22 20:33:38,129 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-22 20:33:38,129 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-22 20:33:38,129 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-22 20:33:38,129 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-22 20:33:38,129 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-22 20:33:38,130 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-22 20:33:38,130 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-22 20:33:38,130 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-22 20:33:38,130 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-22 20:33:38,130 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-22 20:33:38,130 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-22 20:33:38,295 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-22 20:33:38,321 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-22 20:33:38,323 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-22 20:33:38,324 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-22 20:33:38,327 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-22 20:33:38,328 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_functionizing_file-1.i
[2023-12-22 20:33:39,321 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-22 20:33:39,530 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-22 20:33:39,533 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_functionizing_file-1.i
[2023-12-22 20:33:39,544 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a079c7f/bcf718a8925a4c029b6d29d940a95f38/FLAGe39907428
[2023-12-22 20:33:39,555 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16a079c7f/bcf718a8925a4c029b6d29d940a95f38
[2023-12-22 20:33:39,557 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-22 20:33:39,559 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-22 20:33:39,562 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-22 20:33:39,562 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-22 20:33:39,566 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-22 20:33:39,568 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,569 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f39a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39, skipping insertion in model container
[2023-12-22 20:33:39,569 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,605 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-22 20:33:39,712 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_functionizing_file-1.i[919,932]
[2023-12-22 20:33:39,768 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 20:33:39,785 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-22 20:33:39,797 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_functionizing_file-1.i[919,932]
[2023-12-22 20:33:39,818 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-22 20:33:39,831 INFO  L206         MainTranslator]: Completed translation
[2023-12-22 20:33:39,831 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39 WrapperNode
[2023-12-22 20:33:39,831 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-22 20:33:39,832 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-22 20:33:39,832 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-22 20:33:39,832 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-22 20:33:39,837 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,845 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,865 INFO  L138                Inliner]: procedures = 34, calls = 55, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 214
[2023-12-22 20:33:39,865 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-22 20:33:39,866 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-22 20:33:39,866 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-22 20:33:39,866 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-22 20:33:39,874 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,874 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,878 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,888 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 20:33:39,889 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,889 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,896 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,898 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,900 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,901 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,909 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-22 20:33:39,910 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-22 20:33:39,910 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-22 20:33:39,910 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-22 20:33:39,911 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (1/1) ...
[2023-12-22 20:33:39,927 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-22 20:33:39,935 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-22 20:33:39,949 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 20:33:39,992 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 20:33:39,998 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-22 20:33:39,998 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-22 20:33:39,999 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-22 20:33:40,000 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-22 20:33:40,000 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-22 20:33:40,000 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-22 20:33:40,070 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-22 20:33:40,071 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-22 20:33:40,481 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-22 20:33:40,525 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-22 20:33:40,525 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-22 20:33:40,525 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:33:40 BoogieIcfgContainer
[2023-12-22 20:33:40,525 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-22 20:33:40,527 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-22 20:33:40,527 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-22 20:33:40,529 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-22 20:33:40,529 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:33:39" (1/3) ...
[2023-12-22 20:33:40,530 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adf21a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:33:40, skipping insertion in model container
[2023-12-22 20:33:40,530 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:33:39" (2/3) ...
[2023-12-22 20:33:40,530 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@adf21a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:33:40, skipping insertion in model container
[2023-12-22 20:33:40,530 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:33:40" (3/3) ...
[2023-12-22 20:33:40,531 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_codestructure_functionizing_file-1.i
[2023-12-22 20:33:40,542 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-22 20:33:40,543 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-22 20:33:40,573 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-22 20:33:40,578 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;@53f5b4eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-22 20:33:40,578 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-22 20:33:40,581 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 82 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2023-12-22 20:33:40,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2023-12-22 20:33:40,591 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 20:33:40,592 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:40,592 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 20:33:40,596 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 20:33:40,596 INFO  L85        PathProgramCache]: Analyzing trace with hash 180645521, now seen corresponding path program 1 times
[2023-12-22 20:33:40,605 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 20:33:40,606 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431470896]
[2023-12-22 20:33:40,606 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 20:33:40,606 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 20:33:40,606 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 20:33:40,608 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 20:33:40,612 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 20:33:40,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 20:33:40,828 INFO  L262         TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-22 20:33:40,836 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 20:33:40,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked.
[2023-12-22 20:33:40,888 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 20:33:40,888 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 20:33:40,888 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431470896]
[2023-12-22 20:33:40,889 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [431470896] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 20:33:40,889 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 20:33:40,889 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-22 20:33:40,890 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820630475]
[2023-12-22 20:33:40,893 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 20:33:40,896 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-22 20:33:40,896 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 20:33:40,919 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-22 20:33:40,919 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-22 20:33:40,922 INFO  L87              Difference]: Start difference. First operand  has 82 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand  has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2023-12-22 20:33:41,124 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 20:33:41,124 INFO  L93              Difference]: Finished difference Result 161 states and 291 transitions.
[2023-12-22 20:33:41,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-22 20:33:41,132 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 209
[2023-12-22 20:33:41,132 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 20:33:41,137 INFO  L225             Difference]: With dead ends: 161
[2023-12-22 20:33:41,137 INFO  L226             Difference]: Without dead ends: 80
[2023-12-22 20:33:41,139 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 208 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 20:33:41,142 INFO  L413           NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-22 20:33:41,142 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-22 20:33:41,152 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2023-12-22 20:33:41,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2023-12-22 20:33:41,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 states have internal predecessors, (54), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2023-12-22 20:33:41,172 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 124 transitions.
[2023-12-22 20:33:41,173 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 124 transitions. Word has length 209
[2023-12-22 20:33:41,174 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 20:33:41,174 INFO  L495      AbstractCegarLoop]: Abstraction has 80 states and 124 transitions.
[2023-12-22 20:33:41,174 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2023-12-22 20:33:41,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions.
[2023-12-22 20:33:41,176 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2023-12-22 20:33:41,177 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 20:33:41,177 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:41,184 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 20:33:41,384 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 20:33:41,384 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 20:33:41,385 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 20:33:41,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 1847441363, now seen corresponding path program 1 times
[2023-12-22 20:33:41,386 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 20:33:41,386 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634489902]
[2023-12-22 20:33:41,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 20:33:41,386 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 20:33:41,386 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 20:33:41,390 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 20:33:41,391 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 20:33:41,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 20:33:41,604 INFO  L262         TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-22 20:33:41,609 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-22 20:33:41,647 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked.
[2023-12-22 20:33:41,648 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-22 20:33:41,648 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-22 20:33:41,648 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634489902]
[2023-12-22 20:33:41,648 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [634489902] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-22 20:33:41,648 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-22 20:33:41,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-22 20:33:41,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815936023]
[2023-12-22 20:33:41,649 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-22 20:33:41,650 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-22 20:33:41,650 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-22 20:33:41,650 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-22 20:33:41,651 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 20:33:41,651 INFO  L87              Difference]: Start difference. First operand 80 states and 124 transitions. Second operand  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2023-12-22 20:33:41,802 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-22 20:33:41,802 INFO  L93              Difference]: Finished difference Result 194 states and 297 transitions.
[2023-12-22 20:33:41,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-22 20:33:41,805 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 209
[2023-12-22 20:33:41,806 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-22 20:33:41,809 INFO  L225             Difference]: With dead ends: 194
[2023-12-22 20:33:41,809 INFO  L226             Difference]: Without dead ends: 115
[2023-12-22 20:33:41,810 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-22 20:33:41,812 INFO  L413           NwaCegarLoop]: 119 mSDtfsCounter, 51 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-22 20:33:41,812 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 223 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-22 20:33:41,813 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2023-12-22 20:33:41,829 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112.
[2023-12-22 20:33:41,830 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 61 states have internal predecessors, (73), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49)
[2023-12-22 20:33:41,832 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 171 transitions.
[2023-12-22 20:33:41,832 INFO  L78                 Accepts]: Start accepts. Automaton has 112 states and 171 transitions. Word has length 209
[2023-12-22 20:33:41,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-22 20:33:41,834 INFO  L495      AbstractCegarLoop]: Abstraction has 112 states and 171 transitions.
[2023-12-22 20:33:41,835 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35)
[2023-12-22 20:33:41,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions.
[2023-12-22 20:33:41,841 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2023-12-22 20:33:41,841 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-22 20:33:41,842 INFO  L195           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:41,851 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 20:33:42,049 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 20:33:42,050 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-22 20:33:42,050 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-22 20:33:42,050 INFO  L85        PathProgramCache]: Analyzing trace with hash -1409743227, now seen corresponding path program 1 times
[2023-12-22 20:33:42,051 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-22 20:33:42,051 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624496191]
[2023-12-22 20:33:42,051 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-22 20:33:42,051 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 20:33:42,051 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-22 20:33:42,052 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 20:33:42,079 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 20:33:42,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-22 20:33:42,306 INFO  L262         TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 34 conjunts are in the unsatisfiable core
[2023-12-22 20:33:42,317 INFO  L285         TraceCheckSpWp]: Computing forward predicates...