/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_amount50_file-99.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 20:27:01,064 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 20:27:01,121 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-05 20:27:01,125 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 20:27:01,126 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 20:27:01,152 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 20:27:01,152 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 20:27:01,153 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 20:27:01,153 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 20:27:01,153 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 20:27:01,153 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 20:27:01,154 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 20:27:01,155 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 20:27:01,158 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 20:27:01,158 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 20:27:01,158 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 20:27:01,158 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 20:27:01,158 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 20:27:01,159 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 20:27:01,159 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 20:27:01,159 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 20:27:01,161 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 20:27:01,161 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 20:27:01,161 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 20:27:01,162 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 20:27:01,162 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 20:27:01,162 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 20:27:01,162 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 20:27:01,162 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 20:27:01,162 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 20:27:01,163 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 20:27:01,163 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 20:27:01,163 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 20:27:01,163 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 20:27:01,163 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:27:01,163 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 20:27:01,163 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 20:27:01,164 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 20:27:01,164 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 20:27:01,164 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 20:27:01,165 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 20:27:01,165 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 20:27:01,165 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 20:27:01,165 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 20:27:01,166 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 20:27:01,354 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 20:27:01,376 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 20:27:01,379 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 20:27:01,380 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 20:27:01,380 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 20:27:01,382 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-99.i
[2024-11-05 20:27:02,890 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 20:27:03,054 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 20:27:03,055 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-99.i
[2024-11-05 20:27:03,063 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5632e7538/bbd95a87482e4b92acb5c00f104bd32f/FLAGa7dfa1e0a
[2024-11-05 20:27:03,080 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5632e7538/bbd95a87482e4b92acb5c00f104bd32f
[2024-11-05 20:27:03,082 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 20:27:03,083 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 20:27:03,085 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 20:27:03,085 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 20:27:03,089 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 20:27:03,090 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,091 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e038078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03, skipping insertion in model container
[2024-11-05 20:27:03,091 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,119 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 20:27:03,251 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-99.i[915,928]
[2024-11-05 20:27:03,300 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:27:03,311 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 20:27:03,321 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-99.i[915,928]
[2024-11-05 20:27:03,341 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 20:27:03,357 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 20:27:03,357 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03 WrapperNode
[2024-11-05 20:27:03,358 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 20:27:03,358 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 20:27:03,359 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 20:27:03,359 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 20:27:03,364 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,373 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,401 INFO  L138                Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160
[2024-11-05 20:27:03,401 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 20:27:03,402 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 20:27:03,402 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 20:27:03,402 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 20:27:03,413 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,413 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,424 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,435 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].
[2024-11-05 20:27:03,436 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,436 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,443 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,446 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,448 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,449 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,452 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 20:27:03,453 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 20:27:03,453 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 20:27:03,453 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 20:27:03,454 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (1/1) ...
[2024-11-05 20:27:03,461 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 20:27:03,471 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 20:27:03,485 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)
[2024-11-05 20:27:03,487 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
[2024-11-05 20:27:03,507 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 20:27:03,507 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 20:27:03,507 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 20:27:03,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 20:27:03,508 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 20:27:03,508 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 20:27:03,576 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 20:27:03,578 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 20:27:06,255 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-05 20:27:06,255 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 20:27:06,275 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 20:27:06,278 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 20:27:06,278 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:27:06 BoogieIcfgContainer
[2024-11-05 20:27:06,279 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 20:27:06,290 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 20:27:06,290 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 20:27:06,293 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 20:27:06,293 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:27:03" (1/3) ...
[2024-11-05 20:27:06,298 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a81d0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:27:06, skipping insertion in model container
[2024-11-05 20:27:06,298 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:27:03" (2/3) ...
[2024-11-05 20:27:06,299 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a81d0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:27:06, skipping insertion in model container
[2024-11-05 20:27:06,299 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:27:06" (3/3) ...
[2024-11-05 20:27:06,300 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-99.i
[2024-11-05 20:27:06,338 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 20:27:06,339 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 20:27:06,419 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 20:27:06,432 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;@2581f051, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 20:27:06,432 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 20:27:06,439 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 77 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 46 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-05 20:27:06,464 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-05 20:27:06,465 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:27:06,470 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 20:27:06,471 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:27:06,478 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:27:06,478 INFO  L85        PathProgramCache]: Analyzing trace with hash 638589968, now seen corresponding path program 1 times
[2024-11-05 20:27:06,492 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:27:06,492 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441822072]
[2024-11-05 20:27:06,492 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:27:06,494 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
[2024-11-05 20:27:06,495 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:27:06,502 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)
[2024-11-05 20:27:06,503 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
[2024-11-05 20:27:06,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:27:06,870 INFO  L255         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-05 20:27:06,880 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:27:07,883 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 455 proven. 141 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked.
[2024-11-05 20:27:07,885 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:27:08,382 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 21 proven. 144 refuted. 0 times theorem prover too weak. 1459 trivial. 0 not checked.
[2024-11-05 20:27:08,384 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:27:08,384 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441822072]
[2024-11-05 20:27:08,384 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [441822072] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 20:27:08,384 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 20:27:08,385 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13
[2024-11-05 20:27:08,386 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946149903]
[2024-11-05 20:27:08,387 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 20:27:08,391 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-05 20:27:08,391 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:27:08,410 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-05 20:27:08,411 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2024-11-05 20:27:08,413 INFO  L87              Difference]: Start difference. First operand  has 77 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 46 states have internal predecessors, (59), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand  has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)
[2024-11-05 20:27:10,925 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:27:10,925 INFO  L93              Difference]: Finished difference Result 243 states and 427 transitions.
[2024-11-05 20:27:10,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2024-11-05 20:27:10,927 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 180
[2024-11-05 20:27:10,928 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:27:10,935 INFO  L225             Difference]: With dead ends: 243
[2024-11-05 20:27:10,935 INFO  L226             Difference]: Without dead ends: 169
[2024-11-05 20:27:10,938 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 348 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056
[2024-11-05 20:27:10,941 INFO  L432           NwaCegarLoop]: 119 mSDtfsCounter, 160 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-11-05 20:27:10,941 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 420 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-11-05 20:27:10,953 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2024-11-05 20:27:10,995 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 83.
[2024-11-05 20:27:11,000 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29)
[2024-11-05 20:27:11,001 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions.
[2024-11-05 20:27:11,006 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 180
[2024-11-05 20:27:11,007 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:27:11,007 INFO  L471      AbstractCegarLoop]: Abstraction has 83 states and 117 transitions.
[2024-11-05 20:27:11,007 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)
[2024-11-05 20:27:11,007 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions.
[2024-11-05 20:27:11,013 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-05 20:27:11,013 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:27:11,013 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 20:27:11,037 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
[2024-11-05 20:27:11,213 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
[2024-11-05 20:27:11,214 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:27:11,215 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:27:11,215 INFO  L85        PathProgramCache]: Analyzing trace with hash 1339654546, now seen corresponding path program 1 times
[2024-11-05 20:27:11,215 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:27:11,215 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967950031]
[2024-11-05 20:27:11,215 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:27:11,215 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
[2024-11-05 20:27:11,216 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:27:11,224 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)
[2024-11-05 20:27:11,225 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
[2024-11-05 20:27:11,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:27:11,512 INFO  L255         TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-05 20:27:11,520 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:27:12,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 760 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked.
[2024-11-05 20:27:12,730 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:27:13,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked.
[2024-11-05 20:27:13,174 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:27:13,174 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967950031]
[2024-11-05 20:27:13,175 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [967950031] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 20:27:13,175 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 20:27:13,175 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11
[2024-11-05 20:27:13,175 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667075874]
[2024-11-05 20:27:13,175 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 20:27:13,176 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-05 20:27:13,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:27:13,177 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-05 20:27:13,177 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110
[2024-11-05 20:27:13,178 INFO  L87              Difference]: Start difference. First operand 83 states and 117 transitions. Second operand  has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (58), 3 states have call predecessors, (58), 5 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58)
[2024-11-05 20:27:16,417 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-05 20:27:16,805 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:27:16,805 INFO  L93              Difference]: Finished difference Result 217 states and 292 transitions.
[2024-11-05 20:27:16,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-05 20:27:16,806 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (58), 3 states have call predecessors, (58), 5 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 180
[2024-11-05 20:27:16,806 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:27:16,808 INFO  L225             Difference]: With dead ends: 217
[2024-11-05 20:27:16,808 INFO  L226             Difference]: Without dead ends: 137
[2024-11-05 20:27:16,808 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=213, Unknown=0, NotChecked=0, Total=342
[2024-11-05 20:27:16,809 INFO  L432           NwaCegarLoop]: 88 mSDtfsCounter, 131 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2024-11-05 20:27:16,810 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 226 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2024-11-05 20:27:16,810 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 137 states.
[2024-11-05 20:27:16,822 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 122.
[2024-11-05 20:27:16,822 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 122 states, 76 states have (on average 1.144736842105263) internal successors, (87), 77 states have internal predecessors, (87), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-05 20:27:16,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions.
[2024-11-05 20:27:16,823 INFO  L78                 Accepts]: Start accepts. Automaton has 122 states and 163 transitions. Word has length 180
[2024-11-05 20:27:16,823 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:27:16,824 INFO  L471      AbstractCegarLoop]: Abstraction has 122 states and 163 transitions.
[2024-11-05 20:27:16,824 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 11 states have internal predecessors, (79), 4 states have call successors, (58), 3 states have call predecessors, (58), 5 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58)
[2024-11-05 20:27:16,824 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 163 transitions.
[2024-11-05 20:27:16,826 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-05 20:27:16,826 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:27:16,826 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 20:27:16,839 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
[2024-11-05 20:27:17,030 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
[2024-11-05 20:27:17,031 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:27:17,034 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:27:17,035 INFO  L85        PathProgramCache]: Analyzing trace with hash -1574420026, now seen corresponding path program 1 times
[2024-11-05 20:27:17,035 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:27:17,035 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913562925]
[2024-11-05 20:27:17,035 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:27:17,035 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
[2024-11-05 20:27:17,035 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:27:17,042 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)
[2024-11-05 20:27:17,042 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
[2024-11-05 20:27:17,265 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:27:17,275 INFO  L255         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-05 20:27:17,281 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 20:27:17,646 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-05 20:27:17,646 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 20:27:17,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked.
[2024-11-05 20:27:17,794 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 20:27:17,794 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913562925]
[2024-11-05 20:27:17,794 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [913562925] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 20:27:17,794 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 20:27:17,794 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5
[2024-11-05 20:27:17,794 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745777798]
[2024-11-05 20:27:17,794 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 20:27:17,795 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-05 20:27:17,795 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 20:27:17,796 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-05 20:27:17,796 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-05 20:27:17,796 INFO  L87              Difference]: Start difference. First operand 122 states and 163 transitions. Second operand  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58)
[2024-11-05 20:27:18,986 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 20:27:18,987 INFO  L93              Difference]: Finished difference Result 360 states and 483 transitions.
[2024-11-05 20:27:19,009 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-05 20:27:19,009 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 181
[2024-11-05 20:27:19,010 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 20:27:19,019 INFO  L225             Difference]: With dead ends: 360
[2024-11-05 20:27:19,020 INFO  L226             Difference]: Without dead ends: 241
[2024-11-05 20:27:19,021 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-05 20:27:19,021 INFO  L432           NwaCegarLoop]: 103 mSDtfsCounter, 29 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-05 20:27:19,022 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 304 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-05 20:27:19,022 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2024-11-05 20:27:19,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 122.
[2024-11-05 20:27:19,069 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 122 states, 76 states have (on average 1.131578947368421) internal successors, (86), 77 states have internal predecessors, (86), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38)
[2024-11-05 20:27:19,070 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 162 transitions.
[2024-11-05 20:27:19,071 INFO  L78                 Accepts]: Start accepts. Automaton has 122 states and 162 transitions. Word has length 181
[2024-11-05 20:27:19,072 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 20:27:19,072 INFO  L471      AbstractCegarLoop]: Abstraction has 122 states and 162 transitions.
[2024-11-05 20:27:19,072 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58)
[2024-11-05 20:27:19,073 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 162 transitions.
[2024-11-05 20:27:19,075 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-11-05 20:27:19,075 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 20:27:19,075 INFO  L215           NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 20:27:19,096 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
[2024-11-05 20:27:19,276 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
[2024-11-05 20:27:19,277 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 20:27:19,277 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 20:27:19,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 200587336, now seen corresponding path program 1 times
[2024-11-05 20:27:19,278 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 20:27:19,278 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918908605]
[2024-11-05 20:27:19,278 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 20:27:19,278 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
[2024-11-05 20:27:19,278 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 20:27:19,282 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)
[2024-11-05 20:27:19,284 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
[2024-11-05 20:27:19,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 20:27:19,884 INFO  L255         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 59 conjuncts are in the unsatisfiable core
[2024-11-05 20:27:19,892 INFO  L278         TraceCheckSpWp]: Computing forward predicates...