/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-99.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 00:08:09,463 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 00:08:09,527 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 00:08:09,533 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 00:08:09,534 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 00:08:09,562 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 00:08:09,562 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 00:08:09,563 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 00:08:09,563 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 00:08:09,564 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 00:08:09,564 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 00:08:09,564 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 00:08:09,565 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 00:08:09,568 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 00:08:09,569 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 00:08:09,569 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 00:08:09,569 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 00:08:09,569 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 00:08:09,570 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 00:08:09,570 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 00:08:09,570 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 00:08:09,571 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 00:08:09,572 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 00:08:09,572 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 00:08:09,572 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 00:08:09,572 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 00:08:09,572 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 00:08:09,572 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 00:08:09,573 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 00:08:09,573 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 00:08:09,574 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 00:08:09,574 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 00:08:09,574 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 00:08:09,574 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 00:08:09,574 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:08:09,574 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 00:08:09,574 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 00:08:09,575 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 00:08:09,575 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 00:08:09,575 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 00:08:09,575 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 00:08:09,575 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 00:08:09,575 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 00:08:09,575 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 00:08:09,576 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-06 00:08:09,792 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 00:08:09,817 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 00:08:09,819 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 00:08:09,820 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 00:08:09,821 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 00:08:09,822 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-99.i
[2024-11-06 00:08:11,216 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 00:08:11,404 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 00:08:11,405 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-99.i
[2024-11-06 00:08:11,417 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a4a9a31/cd3a5a90395c4229b65f012e5abd41bd/FLAG1df9ece7e
[2024-11-06 00:08:11,431 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a4a9a31/cd3a5a90395c4229b65f012e5abd41bd
[2024-11-06 00:08:11,434 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 00:08:11,435 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 00:08:11,438 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 00:08:11,438 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 00:08:11,442 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 00:08:11,443 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,444 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d448e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11, skipping insertion in model container
[2024-11-06 00:08:11,444 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,474 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 00:08:11,645 WARN  L250   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_operatoramount_amount50_file-99.i[915,928]
[2024-11-06 00:08:11,725 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:08:11,740 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 00:08:11,753 WARN  L250   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_operatoramount_amount50_file-99.i[915,928]
[2024-11-06 00:08:11,779 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:08:11,799 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 00:08:11,800 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11 WrapperNode
[2024-11-06 00:08:11,801 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 00:08:11,802 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 00:08:11,802 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 00:08:11,802 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 00:08:11,808 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,820 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,852 INFO  L138                Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160
[2024-11-06 00:08:11,852 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 00:08:11,853 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 00:08:11,853 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 00:08:11,853 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 00:08:11,863 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,863 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,867 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,881 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].
[2024-11-06 00:08:11,885 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,885 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,896 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,903 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,910 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,911 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,919 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 00:08:11,920 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 00:08:11,920 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 00:08:11,920 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 00:08:11,921 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (1/1) ...
[2024-11-06 00:08:11,928 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:08:11,939 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 00:08:11,964 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)
[2024-11-06 00:08:11,970 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
[2024-11-06 00:08:11,992 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 00:08:11,992 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 00:08:11,992 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 00:08:11,992 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 00:08:11,992 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 00:08:11,993 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 00:08:12,067 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 00:08:12,069 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 00:08:14,973 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-06 00:08:14,973 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 00:08:14,986 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 00:08:14,986 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 00:08:14,987 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:14 BoogieIcfgContainer
[2024-11-06 00:08:14,987 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 00:08:14,989 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 00:08:14,989 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 00:08:14,992 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 00:08:14,992 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:08:11" (1/3) ...
[2024-11-06 00:08:14,993 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25343df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:14, skipping insertion in model container
[2024-11-06 00:08:14,993 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:11" (2/3) ...
[2024-11-06 00:08:14,993 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25343df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:14, skipping insertion in model container
[2024-11-06 00:08:14,993 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:14" (3/3) ...
[2024-11-06 00:08:14,994 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-99.i
[2024-11-06 00:08:15,010 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 00:08:15,010 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 00:08:15,069 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 00:08:15,076 INFO  L333      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, 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;@7a0f17dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 00:08:15,076 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 00:08:15,080 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 77 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 46 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-06 00:08:15,094 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-06 00:08:15,094 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:15,095 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:08:15,096 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:15,101 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:15,101 INFO  L85        PathProgramCache]: Analyzing trace with hash 638589968, now seen corresponding path program 1 times
[2024-11-06 00:08:15,113 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:15,114 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077898016]
[2024-11-06 00:08:15,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:15,114 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
[2024-11-06 00:08:15,115 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:15,117 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)
[2024-11-06 00:08:15,118 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
[2024-11-06 00:08:15,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:15,480 INFO  L255         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:15,498 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:08:17,081 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 455 proven. 141 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked.
[2024-11-06 00:08:17,082 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:08:18,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 21 proven. 144 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked.
[2024-11-06 00:08:18,078 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:08:18,078 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077898016]
[2024-11-06 00:08:18,079 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077898016] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 00:08:18,079 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 00:08:18,080 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13
[2024-11-06 00:08:18,082 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292329370]
[2024-11-06 00:08:18,083 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 00:08:18,088 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-06 00:08:18,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:08:18,110 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-06 00:08:18,111 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2024-11-06 00:08:18,113 INFO  L87              Difference]: Start difference. First operand  has 77 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 46 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand  has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)
[2024-11-06 00:08:20,453 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 00:08:21,764 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:08:21,765 INFO  L93              Difference]: Finished difference Result 243 states and 427 transitions.
[2024-11-06 00:08:21,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2024-11-06 00:08:21,768 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 180
[2024-11-06 00:08:21,769 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:08:21,776 INFO  L225             Difference]: With dead ends: 243
[2024-11-06 00:08:21,777 INFO  L226             Difference]: Without dead ends: 169
[2024-11-06 00:08:21,780 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 348 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056
[2024-11-06 00:08:21,783 INFO  L432           NwaCegarLoop]: 119 mSDtfsCounter, 160 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-11-06 00:08:21,784 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 420 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-11-06 00:08:21,800 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2024-11-06 00:08:21,840 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 83.
[2024-11-06 00:08:21,842 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-06 00:08:21,843 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions.
[2024-11-06 00:08:21,848 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 180
[2024-11-06 00:08:21,849 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:08:21,849 INFO  L471      AbstractCegarLoop]: Abstraction has 83 states and 117 transitions.
[2024-11-06 00:08:21,850 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)
[2024-11-06 00:08:21,851 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions.
[2024-11-06 00:08:21,854 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-06 00:08:21,855 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:21,855 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:08:21,878 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-06 00:08:22,056 WARN  L453      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
[2024-11-06 00:08:22,058 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:22,058 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:22,059 INFO  L85        PathProgramCache]: Analyzing trace with hash 1339654546, now seen corresponding path program 1 times
[2024-11-06 00:08:22,059 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:22,059 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191244453]
[2024-11-06 00:08:22,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:22,060 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
[2024-11-06 00:08:22,060 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:22,062 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)
[2024-11-06 00:08:22,063 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
[2024-11-06 00:08:22,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:22,361 INFO  L255         TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:22,366 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:08:24,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 760 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked.
[2024-11-06 00:08:24,094 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-06 00:08:25,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2024-11-06 00:08:25,073 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:08:25,073 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191244453]
[2024-11-06 00:08:25,073 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [191244453] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-06 00:08:25,073 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-06 00:08:25,073 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11
[2024-11-06 00:08:25,074 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91489898]
[2024-11-06 00:08:25,074 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-06 00:08:25,078 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-06 00:08:25,078 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:08:25,079 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-06 00:08:25,080 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110
[2024-11-06 00:08:25,080 INFO  L87              Difference]: Start difference. First operand 83 states and 117 transitions. Second operand  has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (58), 3 states have call predecessors, (58), 5 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58)
[2024-11-06 00:08:29,412 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 00:08:30,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:08:30,036 INFO  L93              Difference]: Finished difference Result 217 states and 292 transitions.
[2024-11-06 00:08:30,039 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-06 00:08:30,040 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (58), 3 states have call predecessors, (58), 5 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 180
[2024-11-06 00:08:30,041 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:08:30,044 INFO  L225             Difference]: With dead ends: 217
[2024-11-06 00:08:30,044 INFO  L226             Difference]: Without dead ends: 137
[2024-11-06 00:08:30,045 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=213, Unknown=0, NotChecked=0, Total=342
[2024-11-06 00:08:30,046 INFO  L432           NwaCegarLoop]: 88 mSDtfsCounter, 131 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time
[2024-11-06 00:08:30,046 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 226 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time]
[2024-11-06 00:08:30,047 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-06 00:08:30,073 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 122.
[2024-11-06 00:08:30,074 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 122 states, 76 states have (on average 1.144736842105263) internal successors, (87), 77 states have internal predecessors, (87), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-06 00:08:30,075 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions.
[2024-11-06 00:08:30,075 INFO  L78                 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 180
[2024-11-06 00:08:30,076 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:08:30,076 INFO  L471      AbstractCegarLoop]: Abstraction has 122 states and 163 transitions.
[2024-11-06 00:08:30,077 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (58), 3 states have call predecessors, (58), 5 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58)
[2024-11-06 00:08:30,077 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions.
[2024-11-06 00:08:30,080 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-06 00:08:30,081 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:30,081 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:08:30,099 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
[2024-11-06 00:08:30,281 WARN  L453      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
[2024-11-06 00:08:30,282 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:30,283 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:30,283 INFO  L85        PathProgramCache]: Analyzing trace with hash -1574420026, now seen corresponding path program 1 times
[2024-11-06 00:08:30,283 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:30,283 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1327610523]
[2024-11-06 00:08:30,283 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:30,284 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
[2024-11-06 00:08:30,284 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:30,289 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)
[2024-11-06 00:08:30,291 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
[2024-11-06 00:08:30,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:30,608 INFO  L255         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:30,616 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:08:31,145 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-06 00:08:31,145 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:08:31,145 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:08:31,146 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1327610523]
[2024-11-06 00:08:31,146 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1327610523] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:08:31,146 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:08:31,146 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 00:08:31,146 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144849034]
[2024-11-06 00:08:31,146 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:08:31,147 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 00:08:31,147 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:08:31,147 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 00:08:31,147 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 00:08:31,147 INFO  L87              Difference]: Start difference. First operand 122 states and 163 transitions. Second operand  has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29)
[2024-11-06 00:08:32,464 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 00:08:32,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:08:32,652 INFO  L93              Difference]: Finished difference Result 360 states and 483 transitions.
[2024-11-06 00:08:32,679 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-06 00:08:32,679 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181
[2024-11-06 00:08:32,680 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:08:32,684 INFO  L225             Difference]: With dead ends: 360
[2024-11-06 00:08:32,684 INFO  L226             Difference]: Without dead ends: 241
[2024-11-06 00:08:32,688 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-06 00:08:32,689 INFO  L432           NwaCegarLoop]: 104 mSDtfsCounter, 21 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-06 00:08:32,689 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 301 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-06 00:08:32,690 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2024-11-06 00:08:32,735 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239.
[2024-11-06 00:08:32,737 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 239 states, 148 states have (on average 1.1418918918918919) internal successors, (169), 150 states have internal predecessors, (169), 76 states have call successors, (76), 14 states have call predecessors, (76), 14 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76)
[2024-11-06 00:08:32,739 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 321 transitions.
[2024-11-06 00:08:32,739 INFO  L78                 Accepts]: Start accepts. Automaton has 239 states and 321 transitions. Word has length 181
[2024-11-06 00:08:32,741 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:08:32,741 INFO  L471      AbstractCegarLoop]: Abstraction has 239 states and 321 transitions.
[2024-11-06 00:08:32,741 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29)
[2024-11-06 00:08:32,741 INFO  L276                IsEmpty]: Start isEmpty. Operand 239 states and 321 transitions.
[2024-11-06 00:08:32,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-06 00:08:32,743 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:32,743 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 00:08:32,770 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-06 00:08:32,949 WARN  L453      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
[2024-11-06 00:08:32,950 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:32,951 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:32,951 INFO  L85        PathProgramCache]: Analyzing trace with hash 200587336, now seen corresponding path program 1 times
[2024-11-06 00:08:32,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:32,951 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388239499]
[2024-11-06 00:08:32,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:32,951 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
[2024-11-06 00:08:32,952 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:32,955 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)
[2024-11-06 00:08:32,956 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
[2024-11-06 00:08:33,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:33,618 INFO  L255         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 59 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:33,631 INFO  L278         TraceCheckSpWp]: Computing forward predicates...