/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-03 07:59:45,598 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-03 07:59:45,660 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-03 07:59:45,664 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-03 07:59:45,665 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-03 07:59:45,691 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-03 07:59:45,692 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-03 07:59:45,692 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-03 07:59:45,693 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-03 07:59:45,694 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-03 07:59:45,694 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-03 07:59:45,694 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-03 07:59:45,695 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-03 07:59:45,695 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-03 07:59:45,695 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-03 07:59:45,695 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-03 07:59:45,696 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-03 07:59:45,696 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-03 07:59:45,696 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-03 07:59:45,696 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-03 07:59:45,696 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-03 07:59:45,700 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-03 07:59:45,700 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-03 07:59:45,701 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-03 07:59:45,703 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-03 07:59:45,704 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-03 07:59:45,704 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-03 07:59:45,704 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-03 07:59:45,704 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-03 07:59:45,704 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-03 07:59:45,704 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-03 07:59:45,705 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-03 07:59:45,705 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-03 07:59:45,705 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-03 07:59:45,705 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 07:59:45,705 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-03 07:59:45,705 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-03 07:59:45,706 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-03 07:59:45,706 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-03 07:59:45,706 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-03 07:59:45,706 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-03 07:59:45,707 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-03 07:59:45,707 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-03 07:59:45,707 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-03 07:59:45,707 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 07:59:45,912 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-03 07:59:45,935 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-03 07:59:45,938 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-03 07:59:45,938 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-03 07:59:45,939 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-03 07:59:45,940 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i
[2024-11-03 07:59:47,252 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-03 07:59:47,419 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-03 07:59:47,419 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-63.i
[2024-11-03 07:59:47,425 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5e5cee6/204fe539eb254d938a795dc3004961ec/FLAGca3c46401
[2024-11-03 07:59:47,446 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5e5cee6/204fe539eb254d938a795dc3004961ec
[2024-11-03 07:59:47,448 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-03 07:59:47,449 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-03 07:59:47,451 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-03 07:59:47,452 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-03 07:59:47,457 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-03 07:59:47,457 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,458 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc9c9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47, skipping insertion in model container
[2024-11-03 07:59:47,458 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,494 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-03 07:59:47,681 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_amount100_file-63.i[916,929]
[2024-11-03 07:59:47,757 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 07:59:47,766 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-03 07:59:47,777 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_amount100_file-63.i[916,929]
[2024-11-03 07:59:47,814 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-03 07:59:47,837 INFO  L204         MainTranslator]: Completed translation
[2024-11-03 07:59:47,838 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47 WrapperNode
[2024-11-03 07:59:47,838 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-03 07:59:47,839 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-03 07:59:47,839 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-03 07:59:47,839 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-03 07:59:47,847 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,864 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,900 INFO  L138                Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178
[2024-11-03 07:59:47,901 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-03 07:59:47,906 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-03 07:59:47,906 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-03 07:59:47,906 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-03 07:59:47,915 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,915 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,925 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,943 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].
[2024-11-03 07:59:47,944 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,944 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,956 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,962 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,971 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,973 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,980 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-03 07:59:47,981 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-03 07:59:47,981 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-03 07:59:47,981 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-03 07:59:47,982 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (1/1) ...
[2024-11-03 07:59:47,989 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-03 07:59:47,999 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-03 07:59:48,016 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)
[2024-11-03 07:59:48,041 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
[2024-11-03 07:59:48,068 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-03 07:59:48,069 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-03 07:59:48,069 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-03 07:59:48,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-03 07:59:48,069 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-03 07:59:48,069 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-03 07:59:48,154 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-03 07:59:48,155 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-03 07:59:49,124 INFO  L?                        ?]: Removed 21 outVars from TransFormulas that were not future-live.
[2024-11-03 07:59:49,125 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-03 07:59:49,137 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-03 07:59:49,137 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-03 07:59:49,138 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:59:49 BoogieIcfgContainer
[2024-11-03 07:59:49,138 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-03 07:59:49,140 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-03 07:59:49,140 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-03 07:59:49,143 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-03 07:59:49,143 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 07:59:47" (1/3) ...
[2024-11-03 07:59:49,144 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ded2d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:59:49, skipping insertion in model container
[2024-11-03 07:59:49,144 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:59:47" (2/3) ...
[2024-11-03 07:59:49,144 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ded2d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:59:49, skipping insertion in model container
[2024-11-03 07:59:49,145 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:59:49" (3/3) ...
[2024-11-03 07:59:49,147 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-63.i
[2024-11-03 07:59:49,172 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-03 07:59:49,172 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-03 07:59:49,239 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-03 07:59:49,245 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;@2851f50d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-03 07:59:49,245 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-03 07:59:49,249 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-03 07:59:49,258 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 07:59:49,259 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:59:49,259 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 07:59:49,260 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:59:49,263 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:59:49,264 INFO  L85        PathProgramCache]: Analyzing trace with hash -1892635537, now seen corresponding path program 1 times
[2024-11-03 07:59:49,272 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:59:49,273 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761093339]
[2024-11-03 07:59:49,273 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:59:49,275 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
[2024-11-03 07:59:49,275 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:59:49,278 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)
[2024-11-03 07:59:49,280 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
[2024-11-03 07:59:49,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:59:49,545 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-03 07:59:49,563 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:59:49,615 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked.
[2024-11-03 07:59:49,615 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:59:49,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked.
[2024-11-03 07:59:49,845 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:59:49,845 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761093339]
[2024-11-03 07:59:49,845 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [761093339] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-03 07:59:49,845 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-03 07:59:49,846 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-03 07:59:49,850 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044931570]
[2024-11-03 07:59:49,851 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-03 07:59:49,855 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-03 07:59:49,855 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:59:49,873 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-03 07:59:49,874 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 07:59:49,876 INFO  L87              Difference]: Start difference. First operand  has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-03 07:59:49,898 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 07:59:49,898 INFO  L93              Difference]: Finished difference Result 145 states and 250 transitions.
[2024-11-03 07:59:49,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-03 07:59:49,901 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 140
[2024-11-03 07:59:49,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 07:59:49,907 INFO  L225             Difference]: With dead ends: 145
[2024-11-03 07:59:49,907 INFO  L226             Difference]: Without dead ends: 72
[2024-11-03 07:59:49,911 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-03 07:59:49,913 INFO  L432           NwaCegarLoop]: 109 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, 109 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
[2024-11-03 07:59:49,916 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-03 07:59:49,931 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-11-03 07:59:49,950 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-11-03 07:59:49,952 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 50 states have (on average 1.38) internal successors, (69), 50 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-03 07:59:49,954 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions.
[2024-11-03 07:59:49,956 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 140
[2024-11-03 07:59:49,957 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 07:59:49,957 INFO  L471      AbstractCegarLoop]: Abstraction has 72 states and 109 transitions.
[2024-11-03 07:59:49,957 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-03 07:59:49,957 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions.
[2024-11-03 07:59:49,961 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 07:59:49,961 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 07:59:49,962 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 07:59:49,972 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
[2024-11-03 07:59:50,162 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
[2024-11-03 07:59:50,163 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 07:59:50,164 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 07:59:50,164 INFO  L85        PathProgramCache]: Analyzing trace with hash -1501656533, now seen corresponding path program 1 times
[2024-11-03 07:59:50,164 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 07:59:50,164 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596421834]
[2024-11-03 07:59:50,164 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 07:59:50,165 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
[2024-11-03 07:59:50,165 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 07:59:50,168 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)
[2024-11-03 07:59:50,169 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
[2024-11-03 07:59:50,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 07:59:50,405 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-03 07:59:50,412 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 07:59:51,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 382 proven. 81 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked.
[2024-11-03 07:59:51,955 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 07:59:56,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked.
[2024-11-03 07:59:56,761 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 07:59:56,761 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596421834]
[2024-11-03 07:59:56,761 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [596421834] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 07:59:56,761 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 07:59:56,762 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18
[2024-11-03 07:59:56,762 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862348513]
[2024-11-03 07:59:56,762 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 07:59:56,763 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-03 07:59:56,763 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 07:59:56,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-03 07:59:56,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306
[2024-11-03 07:59:56,764 INFO  L87              Difference]: Start difference. First operand 72 states and 109 transitions. Second operand  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40)
[2024-11-03 08:01:04,503 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:01:04,504 INFO  L93              Difference]: Finished difference Result 353 states and 519 transitions.
[2024-11-03 08:01:04,529 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-11-03 08:01:04,529 INFO  L78                 Accepts]: Start accepts. Automaton has  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 140
[2024-11-03 08:01:04,530 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:01:04,533 INFO  L225             Difference]: With dead ends: 353
[2024-11-03 08:01:04,533 INFO  L226             Difference]: Without dead ends: 284
[2024-11-03 08:01:04,535 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=603, Invalid=1119, Unknown=0, NotChecked=0, Total=1722
[2024-11-03 08:01:04,537 INFO  L432           NwaCegarLoop]: 89 mSDtfsCounter, 810 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.5s IncrementalHoareTripleChecker+Time
[2024-11-03 08:01:04,537 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 585 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 40.5s Time]
[2024-11-03 08:01:04,538 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 284 states.
[2024-11-03 08:01:04,589 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 194.
[2024-11-03 08:01:04,590 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 194 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 126 states have internal predecessors, (164), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-03 08:01:04,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 284 transitions.
[2024-11-03 08:01:04,592 INFO  L78                 Accepts]: Start accepts. Automaton has 194 states and 284 transitions. Word has length 140
[2024-11-03 08:01:04,592 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:01:04,592 INFO  L471      AbstractCegarLoop]: Abstraction has 194 states and 284 transitions.
[2024-11-03 08:01:04,593 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 18 states, 18 states have (on average 4.388888888888889) internal successors, (79), 18 states have internal predecessors, (79), 6 states have call successors, (40), 4 states have call predecessors, (40), 7 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40)
[2024-11-03 08:01:04,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 194 states and 284 transitions.
[2024-11-03 08:01:04,594 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-03 08:01:04,594 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:01:04,594 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:01:04,609 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
[2024-11-03 08:01:04,794 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
[2024-11-03 08:01:04,795 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:01:04,795 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:01:04,796 INFO  L85        PathProgramCache]: Analyzing trace with hash 924292043, now seen corresponding path program 1 times
[2024-11-03 08:01:04,796 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:01:04,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50187703]
[2024-11-03 08:01:04,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:01:04,796 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
[2024-11-03 08:01:04,796 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:01:04,798 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)
[2024-11-03 08:01:04,800 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
[2024-11-03 08:01:05,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:01:05,021 INFO  L255         TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-03 08:01:05,026 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:01:06,285 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 343 proven. 39 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2024-11-03 08:01:06,286 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:01:07,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-03 08:01:07,504 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:01:07,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50187703]
[2024-11-03 08:01:07,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [50187703] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 08:01:07,505 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 08:01:07,505 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-03 08:01:07,505 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141237864]
[2024-11-03 08:01:07,505 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 08:01:07,506 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-03 08:01:07,506 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:01:07,506 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-03 08:01:07,507 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-03 08:01:07,507 INFO  L87              Difference]: Start difference. First operand 194 states and 284 transitions. Second operand  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 08:01:09,173 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:01:09,174 INFO  L93              Difference]: Finished difference Result 353 states and 507 transitions.
[2024-11-03 08:01:09,191 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-03 08:01:09,191 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 140
[2024-11-03 08:01:09,192 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:01:09,194 INFO  L225             Difference]: With dead ends: 353
[2024-11-03 08:01:09,194 INFO  L226             Difference]: Without dead ends: 210
[2024-11-03 08:01:09,195 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-03 08:01:09,197 INFO  L432           NwaCegarLoop]: 78 mSDtfsCounter, 107 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-03 08:01:09,197 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 190 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-03 08:01:09,198 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-11-03 08:01:09,221 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 202.
[2024-11-03 08:01:09,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 202 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 131 states have internal predecessors, (160), 60 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-03 08:01:09,225 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 280 transitions.
[2024-11-03 08:01:09,225 INFO  L78                 Accepts]: Start accepts. Automaton has 202 states and 280 transitions. Word has length 140
[2024-11-03 08:01:09,226 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:01:09,226 INFO  L471      AbstractCegarLoop]: Abstraction has 202 states and 280 transitions.
[2024-11-03 08:01:09,226 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)
[2024-11-03 08:01:09,226 INFO  L276                IsEmpty]: Start isEmpty. Operand 202 states and 280 transitions.
[2024-11-03 08:01:09,228 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-03 08:01:09,228 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:01:09,228 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:01:09,244 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
[2024-11-03 08:01:09,428 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
[2024-11-03 08:01:09,429 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:01:09,429 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:01:09,429 INFO  L85        PathProgramCache]: Analyzing trace with hash 110609269, now seen corresponding path program 1 times
[2024-11-03 08:01:09,429 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:01:09,429 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108387567]
[2024-11-03 08:01:09,430 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:01:09,430 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
[2024-11-03 08:01:09,430 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:01:09,432 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)
[2024-11-03 08:01:09,433 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
[2024-11-03 08:01:09,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:01:09,636 INFO  L255         TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-03 08:01:09,639 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:01:10,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked.
[2024-11-03 08:01:10,807 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:01:12,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-03 08:01:12,217 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:01:12,217 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108387567]
[2024-11-03 08:01:12,217 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2108387567] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 08:01:12,218 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 08:01:12,218 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-03 08:01:12,218 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182715282]
[2024-11-03 08:01:12,218 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 08:01:12,218 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-03 08:01:12,218 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:01:12,219 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-03 08:01:12,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-03 08:01:12,225 INFO  L87              Difference]: Start difference. First operand 202 states and 280 transitions. Second operand  has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 08:01:15,186 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:01:15,186 INFO  L93              Difference]: Finished difference Result 530 states and 723 transitions.
[2024-11-03 08:01:15,189 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-03 08:01:15,189 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141
[2024-11-03 08:01:15,190 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:01:15,192 INFO  L225             Difference]: With dead ends: 530
[2024-11-03 08:01:15,192 INFO  L226             Difference]: Without dead ends: 387
[2024-11-03 08:01:15,193 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 274 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2024-11-03 08:01:15,194 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 160 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-03 08:01:15,194 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 230 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-03 08:01:15,195 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 387 states.
[2024-11-03 08:01:15,220 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 220.
[2024-11-03 08:01:15,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 220 states, 146 states have (on average 1.1849315068493151) internal successors, (173), 146 states have internal predecessors, (173), 60 states have call successors, (60), 13 states have call predecessors, (60), 13 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-03 08:01:15,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 293 transitions.
[2024-11-03 08:01:15,223 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 293 transitions. Word has length 141
[2024-11-03 08:01:15,223 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:01:15,223 INFO  L471      AbstractCegarLoop]: Abstraction has 220 states and 293 transitions.
[2024-11-03 08:01:15,223 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 08:01:15,223 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 293 transitions.
[2024-11-03 08:01:15,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-03 08:01:15,225 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:01:15,225 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:01:15,236 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 (5)] Ended with exit code 0
[2024-11-03 08:01:15,428 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-03 08:01:15,429 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:01:15,429 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:01:15,429 INFO  L85        PathProgramCache]: Analyzing trace with hash -1125242315, now seen corresponding path program 1 times
[2024-11-03 08:01:15,429 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:01:15,429 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069316289]
[2024-11-03 08:01:15,429 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:01:15,430 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
[2024-11-03 08:01:15,430 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:01:15,432 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-03 08:01:15,433 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-03 08:01:15,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:01:15,622 INFO  L255         TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-03 08:01:15,624 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-03 08:01:16,952 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 397 proven. 30 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked.
[2024-11-03 08:01:16,953 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-03 08:01:18,517 INFO  L134       CoverageAnalysis]: Checked inductivity of 760 backedges. 27 proven. 30 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked.
[2024-11-03 08:01:18,518 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-03 08:01:18,518 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069316289]
[2024-11-03 08:01:18,518 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1069316289] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-03 08:01:18,518 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-03 08:01:18,518 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2024-11-03 08:01:18,518 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791099683]
[2024-11-03 08:01:18,518 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-03 08:01:18,519 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-03 08:01:18,519 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-03 08:01:18,519 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-03 08:01:18,520 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-03 08:01:18,520 INFO  L87              Difference]: Start difference. First operand 220 states and 293 transitions. Second operand  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 08:01:21,653 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-03 08:01:21,653 INFO  L93              Difference]: Finished difference Result 530 states and 703 transitions.
[2024-11-03 08:01:21,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-03 08:01:21,656 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141
[2024-11-03 08:01:21,657 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-03 08:01:21,661 INFO  L225             Difference]: With dead ends: 530
[2024-11-03 08:01:21,661 INFO  L226             Difference]: Without dead ends: 387
[2024-11-03 08:01:21,662 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420
[2024-11-03 08:01:21,663 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 328 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-03 08:01:21,663 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 295 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-03 08:01:21,664 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 387 states.
[2024-11-03 08:01:21,718 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 240.
[2024-11-03 08:01:21,719 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 240 states, 166 states have (on average 1.2108433734939759) internal successors, (201), 166 states have internal predecessors, (201), 60 states have call successors, (60), 13 states have call predecessors, (60), 13 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60)
[2024-11-03 08:01:21,720 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 321 transitions.
[2024-11-03 08:01:21,720 INFO  L78                 Accepts]: Start accepts. Automaton has 240 states and 321 transitions. Word has length 141
[2024-11-03 08:01:21,723 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-03 08:01:21,723 INFO  L471      AbstractCegarLoop]: Abstraction has 240 states and 321 transitions.
[2024-11-03 08:01:21,723 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)
[2024-11-03 08:01:21,723 INFO  L276                IsEmpty]: Start isEmpty. Operand 240 states and 321 transitions.
[2024-11-03 08:01:21,726 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2024-11-03 08:01:21,726 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-03 08:01:21,726 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-03 08:01:21,736 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 (6)] Ended with exit code 0
[2024-11-03 08:01:21,927 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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
[2024-11-03 08:01:21,927 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-03 08:01:21,927 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-03 08:01:21,928 INFO  L85        PathProgramCache]: Analyzing trace with hash -1518269325, now seen corresponding path program 1 times
[2024-11-03 08:01:21,928 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-03 08:01:21,928 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48849258]
[2024-11-03 08:01:21,928 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-03 08:01:21,928 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
[2024-11-03 08:01:21,928 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-03 08:01:21,931 INFO  L229       MonitoredProcess]: Starting monitored process 7 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)
[2024-11-03 08:01:21,933 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 (7)] Waiting until timeout for monitored process
[2024-11-03 08:01:22,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-03 08:01:22,171 INFO  L255         TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 46 conjuncts are in the unsatisfiable core
[2024-11-03 08:01:22,176 INFO  L278         TraceCheckSpWp]: Computing forward predicates...