/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-98.i


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


This is Ultimate 0.2.5-dev-17387ad-m
[2024-11-06 00:08:07,359 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-06 00:08:07,438 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 00:08:07,444 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 00:08:07,444 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 00:08:07,468 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 00:08:07,469 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 00:08:07,469 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 00:08:07,470 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 00:08:07,470 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-06 00:08:07,470 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 00:08:07,471 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 00:08:07,471 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 00:08:07,472 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-06 00:08:07,472 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-06 00:08:07,472 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 00:08:07,473 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-06 00:08:07,473 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-06 00:08:07,473 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-06 00:08:07,474 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-06 00:08:07,474 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 00:08:07,475 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 00:08:07,475 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 00:08:07,475 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-06 00:08:07,476 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-06 00:08:07,476 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-06 00:08:07,476 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 00:08:07,476 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-06 00:08:07,477 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-06 00:08:07,477 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-06 00:08:07,477 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 00:08:07,478 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-06 00:08:07,478 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 00:08:07,478 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-06 00:08:07,479 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:08:07,479 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 00:08:07,479 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 00:08:07,479 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 00:08:07,480 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-06 00:08:07,480 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 00:08:07,480 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 00:08:07,481 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 00:08:07,481 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 00:08:07,481 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 00:08:07,481 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF
[2024-11-06 00:08:07,728 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 00:08:07,750 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 00:08:07,753 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 00:08:07,754 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-06 00:08:07,755 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-06 00:08:07,756 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-98.i
[2024-11-06 00:08:09,226 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-06 00:08:09,423 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-06 00:08:09,424 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-98.i
[2024-11-06 00:08:09,436 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8969a4927/c45acc78492745fcbe5a3111bdb2c42d/FLAG4accd316a
[2024-11-06 00:08:09,450 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8969a4927/c45acc78492745fcbe5a3111bdb2c42d
[2024-11-06 00:08:09,452 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 00:08:09,453 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-06 00:08:09,455 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 00:08:09,455 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 00:08:09,459 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 00:08:09,460 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,460 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2656d6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09, skipping insertion in model container
[2024-11-06 00:08:09,461 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,491 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-06 00:08:09,649 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-98.i[915,928]
[2024-11-06 00:08:09,709 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:08:09,723 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-06 00:08:09,736 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-98.i[915,928]
[2024-11-06 00:08:09,770 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-06 00:08:09,791 INFO  L204         MainTranslator]: Completed translation
[2024-11-06 00:08:09,792 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09 WrapperNode
[2024-11-06 00:08:09,792 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 00:08:09,795 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 00:08:09,795 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 00:08:09,795 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 00:08:09,800 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,812 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,836 INFO  L138                Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141
[2024-11-06 00:08:09,840 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 00:08:09,841 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 00:08:09,841 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 00:08:09,841 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 00:08:09,852 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,852 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,856 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,876 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 00:08:09,877 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,877 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,891 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,894 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,896 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,897 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,902 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 00:08:09,903 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 00:08:09,903 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 00:08:09,903 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-06 00:08:09,904 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (1/1) ...
[2024-11-06 00:08:09,912 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 00:08:09,923 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 00:08:09,946 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 00:08:09,952 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 00:08:09,976 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 00:08:09,976 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 00:08:09,976 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-06 00:08:09,976 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-06 00:08:09,977 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 00:08:09,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 00:08:10,086 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-06 00:08:10,089 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 00:08:10,947 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-06 00:08:10,948 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-06 00:08:10,968 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 00:08:10,968 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-06 00:08:10,970 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:10 BoogieIcfgContainer
[2024-11-06 00:08:10,970 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 00:08:10,973 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 00:08:10,973 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 00:08:10,976 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-06 00:08:10,976 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:08:09" (1/3) ...
[2024-11-06 00:08:10,977 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f77c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:10, skipping insertion in model container
[2024-11-06 00:08:10,977 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:08:09" (2/3) ...
[2024-11-06 00:08:10,978 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f77c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:08:10, skipping insertion in model container
[2024-11-06 00:08:10,978 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:08:10" (3/3) ...
[2024-11-06 00:08:10,979 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-98.i
[2024-11-06 00:08:10,994 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 00:08:10,995 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 00:08:11,044 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 00:08:11,048 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;@68b2a911, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 00:08:11,049 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 00:08:11,052 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-06 00:08:11,061 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 151
[2024-11-06 00:08:11,061 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:11,062 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:11,062 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:11,066 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:11,066 INFO  L85        PathProgramCache]: Analyzing trace with hash -2033321866, now seen corresponding path program 1 times
[2024-11-06 00:08:11,080 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:11,081 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300770172]
[2024-11-06 00:08:11,081 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:11,081 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 00:08:11,082 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:11,085 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 00:08:11,086 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 00:08:11,357 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:11,379 INFO  L255         TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:11,389 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:08:11,444 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked.
[2024-11-06 00:08:11,444 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:08:11,445 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:08:11,445 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300770172]
[2024-11-06 00:08:11,449 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [300770172] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:08:11,449 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:08:11,450 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 00:08:11,451 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61458832]
[2024-11-06 00:08:11,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:08:11,456 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 00:08:11,457 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:08:11,475 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 00:08:11,476 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:08:11,478 INFO  L87              Difference]: Start difference. First operand  has 67 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-06 00:08:11,507 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:08:11,507 INFO  L93              Difference]: Finished difference Result 127 states and 222 transitions.
[2024-11-06 00:08:11,508 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-06 00:08:11,509 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150
[2024-11-06 00:08:11,510 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:08:11,518 INFO  L225             Difference]: With dead ends: 127
[2024-11-06 00:08:11,518 INFO  L226             Difference]: Without dead ends: 63
[2024-11-06 00:08:11,522 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 00:08:11,528 INFO  L432           NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 00:08:11,529 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 00:08:11,546 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2024-11-06 00:08:11,565 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2024-11-06 00:08:11,567 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-06 00:08:11,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions.
[2024-11-06 00:08:11,570 INFO  L78                 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 150
[2024-11-06 00:08:11,571 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:08:11,571 INFO  L471      AbstractCegarLoop]: Abstraction has 63 states and 95 transitions.
[2024-11-06 00:08:11,571 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)
[2024-11-06 00:08:11,571 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions.
[2024-11-06 00:08:11,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 151
[2024-11-06 00:08:11,574 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:11,575 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:11,590 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 00:08:11,775 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 00:08:11,776 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:11,777 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:11,777 INFO  L85        PathProgramCache]: Analyzing trace with hash -94721410, now seen corresponding path program 1 times
[2024-11-06 00:08:11,778 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:11,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080686845]
[2024-11-06 00:08:11,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:11,779 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 00:08:11,779 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:11,782 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 00:08:11,783 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 00:08:12,045 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:12,060 INFO  L255         TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:12,070 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:08:12,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-06 00:08:12,305 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:08:12,305 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:08:12,305 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080686845]
[2024-11-06 00:08:12,305 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080686845] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:08:12,305 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:08:12,306 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 00:08:12,306 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262478695]
[2024-11-06 00:08:12,306 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:08:12,310 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 00:08:12,310 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:08:12,311 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 00:08:12,311 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 00:08:12,312 INFO  L87              Difference]: Start difference. First operand 63 states and 95 transitions. Second operand  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-06 00:08:13,079 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:08:13,080 INFO  L93              Difference]: Finished difference Result 167 states and 255 transitions.
[2024-11-06 00:08:13,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-06 00:08:13,107 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150
[2024-11-06 00:08:13,109 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:08:13,113 INFO  L225             Difference]: With dead ends: 167
[2024-11-06 00:08:13,113 INFO  L226             Difference]: Without dead ends: 107
[2024-11-06 00:08:13,114 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 00:08:13,115 INFO  L432           NwaCegarLoop]: 153 mSDtfsCounter, 85 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-06 00:08:13,116 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 222 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-06 00:08:13,118 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2024-11-06 00:08:13,135 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 63.
[2024-11-06 00:08:13,136 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-06 00:08:13,139 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions.
[2024-11-06 00:08:13,139 INFO  L78                 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 150
[2024-11-06 00:08:13,145 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:08:13,145 INFO  L471      AbstractCegarLoop]: Abstraction has 63 states and 94 transitions.
[2024-11-06 00:08:13,146 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-06 00:08:13,146 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions.
[2024-11-06 00:08:13,148 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 151
[2024-11-06 00:08:13,148 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:13,148 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:13,165 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-06 00:08:13,349 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 00:08:13,350 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:13,350 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:13,351 INFO  L85        PathProgramCache]: Analyzing trace with hash -37463108, now seen corresponding path program 1 times
[2024-11-06 00:08:13,352 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:13,352 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439161644]
[2024-11-06 00:08:13,352 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:13,352 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 00:08:13,352 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:13,354 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 00:08:13,368 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 00:08:13,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:13,598 INFO  L255         TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:13,604 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 00:08:13,750 INFO  L134       CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-06 00:08:13,750 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 00:08:13,750 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 00:08:13,751 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439161644]
[2024-11-06 00:08:13,751 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [439161644] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 00:08:13,751 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 00:08:13,751 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 00:08:13,751 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698467935]
[2024-11-06 00:08:13,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 00:08:13,752 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 00:08:13,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 00:08:13,756 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 00:08:13,756 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 00:08:13,756 INFO  L87              Difference]: Start difference. First operand 63 states and 94 transitions. Second operand  has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-06 00:08:15,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 00:08:15,130 INFO  L93              Difference]: Finished difference Result 227 states and 344 transitions.
[2024-11-06 00:08:15,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-06 00:08:15,132 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150
[2024-11-06 00:08:15,133 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 00:08:15,135 INFO  L225             Difference]: With dead ends: 227
[2024-11-06 00:08:15,136 INFO  L226             Difference]: Without dead ends: 167
[2024-11-06 00:08:15,137 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 00:08:15,138 INFO  L432           NwaCegarLoop]: 158 mSDtfsCounter, 150 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-06 00:08:15,138 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 375 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-06 00:08:15,139 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 167 states.
[2024-11-06 00:08:15,163 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 119.
[2024-11-06 00:08:15,164 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-06 00:08:15,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 180 transitions.
[2024-11-06 00:08:15,166 INFO  L78                 Accepts]: Start accepts. Automaton has 119 states and 180 transitions. Word has length 150
[2024-11-06 00:08:15,167 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-06 00:08:15,167 INFO  L471      AbstractCegarLoop]: Abstraction has 119 states and 180 transitions.
[2024-11-06 00:08:15,167 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24)
[2024-11-06 00:08:15,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 180 transitions.
[2024-11-06 00:08:15,170 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 151
[2024-11-06 00:08:15,170 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-06 00:08:15,170 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:08:15,182 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 00:08:15,370 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 00:08:15,371 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 00:08:15,372 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 00:08:15,372 INFO  L85        PathProgramCache]: Analyzing trace with hash -35616066, now seen corresponding path program 1 times
[2024-11-06 00:08:15,372 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 00:08:15,373 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645566599]
[2024-11-06 00:08:15,373 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 00:08:15,373 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 00:08:15,373 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 00:08:15,374 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 00:08:15,375 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 00:08:15,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 00:08:15,627 INFO  L255         TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-06 00:08:15,637 INFO  L278         TraceCheckSpWp]: Computing forward predicates...