/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-32.i


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


This is Ultimate 0.2.5-dev-df9f019-m
[2024-11-05 19:23:32,001 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 19:23:32,067 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 19:23:32,071 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 19:23:32,071 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 19:23:32,090 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 19:23:32,091 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 19:23:32,091 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 19:23:32,092 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 19:23:32,092 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 19:23:32,092 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 19:23:32,092 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 19:23:32,093 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 19:23:32,093 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 19:23:32,093 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 19:23:32,094 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 19:23:32,094 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 19:23:32,094 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-05 19:23:32,094 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-05 19:23:32,094 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 19:23:32,095 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 19:23:32,095 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 19:23:32,095 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 19:23:32,096 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 19:23:32,096 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 19:23:32,096 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 19:23:32,096 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 19:23:32,097 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-05 19:23:32,097 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 19:23:32,097 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 19:23:32,097 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 19:23:32,097 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 19:23:32,098 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 19:23:32,098 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 19:23:32,098 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:23:32,098 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 19:23:32,098 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 19:23:32,099 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 19:23:32,099 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 19:23:32,099 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-05 19:23:32,099 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 19:23:32,103 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 19:23:32,104 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 19:23:32,104 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 19:23:32,104 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 19:23:32,309 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 19:23:32,335 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 19:23:32,337 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 19:23:32,338 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 19:23:32,338 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 19:23:32,339 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-32.i
[2024-11-05 19:23:33,709 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 19:23:33,922 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 19:23:33,923 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-32.i
[2024-11-05 19:23:33,932 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553108f68/c9a31156c69c40ac93cb5e858918b4ae/FLAG177fd8b49
[2024-11-05 19:23:33,946 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/553108f68/c9a31156c69c40ac93cb5e858918b4ae
[2024-11-05 19:23:33,949 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 19:23:33,950 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 19:23:33,952 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 19:23:33,952 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 19:23:33,956 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 19:23:33,957 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:23:33" (1/1) ...
[2024-11-05 19:23:33,958 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6734f400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:33, skipping insertion in model container
[2024-11-05 19:23:33,958 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:23:33" (1/1) ...
[2024-11-05 19:23:33,986 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 19:23:34,123 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-32.i[916,929]
[2024-11-05 19:23:34,187 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:23:34,199 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 19:23:34,211 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-32.i[916,929]
[2024-11-05 19:23:34,249 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 19:23:34,270 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 19:23:34,271 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34 WrapperNode
[2024-11-05 19:23:34,271 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 19:23:34,272 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 19:23:34,272 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 19:23:34,272 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 19:23:34,277 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,287 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,316 INFO  L138                Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213
[2024-11-05 19:23:34,317 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 19:23:34,317 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 19:23:34,318 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 19:23:34,318 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 19:23:34,326 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,327 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,331 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,348 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 19:23:34,355 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,356 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,364 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,367 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,369 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,371 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,377 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 19:23:34,378 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 19:23:34,378 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 19:23:34,378 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 19:23:34,379 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (1/1) ...
[2024-11-05 19:23:34,391 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 19:23:34,401 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 19:23:34,415 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 19:23:34,427 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 19:23:34,445 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 19:23:34,446 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 19:23:34,446 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 19:23:34,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 19:23:34,446 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 19:23:34,446 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 19:23:34,525 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 19:23:34,527 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 19:23:35,294 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-05 19:23:35,294 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 19:23:35,308 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 19:23:35,308 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 19:23:35,309 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:23:35 BoogieIcfgContainer
[2024-11-05 19:23:35,309 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 19:23:35,311 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 19:23:35,311 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 19:23:35,313 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 19:23:35,313 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:23:33" (1/3) ...
[2024-11-05 19:23:35,314 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514dd91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:23:35, skipping insertion in model container
[2024-11-05 19:23:35,314 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:23:34" (2/3) ...
[2024-11-05 19:23:35,314 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514dd91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:23:35, skipping insertion in model container
[2024-11-05 19:23:35,314 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:23:35" (3/3) ...
[2024-11-05 19:23:35,315 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-32.i
[2024-11-05 19:23:35,328 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 19:23:35,328 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 19:23:35,388 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 19:23:35,393 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;@10f090cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 19:23:35,393 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 19:23:35,399 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 96 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-05 19:23:35,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 218
[2024-11-05 19:23:35,414 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:23:35,415 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:23:35,416 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:23:35,420 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:23:35,420 INFO  L85        PathProgramCache]: Analyzing trace with hash 870512893, now seen corresponding path program 1 times
[2024-11-05 19:23:35,427 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:23:35,427 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953177416]
[2024-11-05 19:23:35,427 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:23:35,429 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 19:23:35,430 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:23:35,433 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 19:23:35,434 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 19:23:35,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:23:35,789 INFO  L255         TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 19:23:35,809 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:23:35,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked.
[2024-11-05 19:23:35,880 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:23:36,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 14 proven. 54 refuted. 0 times theorem prover too weak. 2312 trivial. 0 not checked.
[2024-11-05 19:23:36,161 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:23:36,161 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953177416]
[2024-11-05 19:23:36,162 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1953177416] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 19:23:36,162 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 19:23:36,162 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 19:23:36,163 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030856929]
[2024-11-05 19:23:36,164 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 19:23:36,168 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 19:23:36,169 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:23:36,194 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 19:23:36,195 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:23:36,197 INFO  L87              Difference]: Start difference. First operand  has 96 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2024-11-05 19:23:36,221 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:23:36,222 INFO  L93              Difference]: Finished difference Result 185 states and 335 transitions.
[2024-11-05 19:23:36,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 19:23:36,224 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 217
[2024-11-05 19:23:36,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:23:36,231 INFO  L225             Difference]: With dead ends: 185
[2024-11-05 19:23:36,231 INFO  L226             Difference]: Without dead ends: 92
[2024-11-05 19:23:36,235 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 19:23:36,238 INFO  L432           NwaCegarLoop]: 146 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, 146 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
[2024-11-05 19:23:36,240 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 19:23:36,254 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2024-11-05 19:23:36,282 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2024-11-05 19:23:36,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-05 19:23:36,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 146 transitions.
[2024-11-05 19:23:36,290 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 146 transitions. Word has length 217
[2024-11-05 19:23:36,290 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:23:36,291 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 146 transitions.
[2024-11-05 19:23:36,295 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35)
[2024-11-05 19:23:36,295 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions.
[2024-11-05 19:23:36,300 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 218
[2024-11-05 19:23:36,301 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:23:36,301 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:23:36,315 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-05 19:23:36,502 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 19:23:36,503 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:23:36,503 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:23:36,503 INFO  L85        PathProgramCache]: Analyzing trace with hash 192119231, now seen corresponding path program 1 times
[2024-11-05 19:23:36,504 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:23:36,504 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1319168148]
[2024-11-05 19:23:36,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:23:36,504 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 19:23:36,504 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:23:36,506 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 19:23:36,509 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 19:23:36,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:23:36,812 INFO  L255         TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-05 19:23:36,819 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:23:37,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked.
[2024-11-05 19:23:37,357 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:23:37,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked.
[2024-11-05 19:23:37,795 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:23:37,795 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1319168148]
[2024-11-05 19:23:37,795 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [1319168148] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:23:37,795 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:23:37,795 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2024-11-05 19:23:37,795 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16021861]
[2024-11-05 19:23:37,796 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:23:37,797 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-05 19:23:37,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:23:37,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-05 19:23:37,799 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-05 19:23:37,799 INFO  L87              Difference]: Start difference. First operand 92 states and 146 transitions. Second operand  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67)
[2024-11-05 19:23:38,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:23:38,415 INFO  L93              Difference]: Finished difference Result 189 states and 296 transitions.
[2024-11-05 19:23:38,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-05 19:23:38,433 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 217
[2024-11-05 19:23:38,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:23:38,435 INFO  L225             Difference]: With dead ends: 189
[2024-11-05 19:23:38,436 INFO  L226             Difference]: Without dead ends: 100
[2024-11-05 19:23:38,436 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 426 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2024-11-05 19:23:38,437 INFO  L432           NwaCegarLoop]: 105 mSDtfsCounter, 56 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-05 19:23:38,438 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 245 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-05 19:23:38,439 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-11-05 19:23:38,449 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96.
[2024-11-05 19:23:38,450 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 58 states have internal predecessors, (78), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-05 19:23:38,451 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 148 transitions.
[2024-11-05 19:23:38,451 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 148 transitions. Word has length 217
[2024-11-05 19:23:38,452 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:23:38,452 INFO  L471      AbstractCegarLoop]: Abstraction has 96 states and 148 transitions.
[2024-11-05 19:23:38,452 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67)
[2024-11-05 19:23:38,453 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions.
[2024-11-05 19:23:38,455 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 219
[2024-11-05 19:23:38,455 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:23:38,455 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:23:38,472 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 19:23:38,659 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 19:23:38,660 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:23:38,661 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:23:38,661 INFO  L85        PathProgramCache]: Analyzing trace with hash -227089071, now seen corresponding path program 1 times
[2024-11-05 19:23:38,661 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:23:38,661 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701747762]
[2024-11-05 19:23:38,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:23:38,662 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 19:23:38,662 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:23:38,664 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 19:23:38,666 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 19:23:38,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:23:38,909 INFO  L255         TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-05 19:23:38,915 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 19:23:40,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 597 proven. 255 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked.
[2024-11-05 19:23:40,493 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 19:23:41,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 264 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked.
[2024-11-05 19:23:41,818 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 19:23:41,818 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701747762]
[2024-11-05 19:23:41,818 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [701747762] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 19:23:41,818 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 19:23:41,818 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19
[2024-11-05 19:23:41,819 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333369248]
[2024-11-05 19:23:41,819 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 19:23:41,820 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-05 19:23:41,820 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 19:23:41,821 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-05 19:23:41,822 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342
[2024-11-05 19:23:41,822 INFO  L87              Difference]: Start difference. First operand 96 states and 148 transitions. Second operand  has 19 states, 19 states have (on average 4.105263157894737) internal successors, (78), 19 states have internal predecessors, (78), 4 states have call successors, (66), 4 states have call predecessors, (66), 9 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67)
[2024-11-05 19:23:44,552 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 19:23:44,553 INFO  L93              Difference]: Finished difference Result 420 states and 621 transitions.
[2024-11-05 19:23:44,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2024-11-05 19:23:44,553 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 4.105263157894737) internal successors, (78), 19 states have internal predecessors, (78), 4 states have call successors, (66), 4 states have call predecessors, (66), 9 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 218
[2024-11-05 19:23:44,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 19:23:44,556 INFO  L225             Difference]: With dead ends: 420
[2024-11-05 19:23:44,557 INFO  L226             Difference]: Without dead ends: 327
[2024-11-05 19:23:44,558 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1090, Invalid=3200, Unknown=0, NotChecked=0, Total=4290
[2024-11-05 19:23:44,559 INFO  L432           NwaCegarLoop]: 167 mSDtfsCounter, 498 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-05 19:23:44,559 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 774 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-05 19:23:44,560 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 327 states.
[2024-11-05 19:23:44,597 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 200.
[2024-11-05 19:23:44,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 200 states, 119 states have (on average 1.2857142857142858) internal successors, (153), 121 states have internal predecessors, (153), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72)
[2024-11-05 19:23:44,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 297 transitions.
[2024-11-05 19:23:44,600 INFO  L78                 Accepts]: Start accepts. Automaton has 200 states and 297 transitions. Word has length 218
[2024-11-05 19:23:44,600 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 19:23:44,601 INFO  L471      AbstractCegarLoop]: Abstraction has 200 states and 297 transitions.
[2024-11-05 19:23:44,601 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 4.105263157894737) internal successors, (78), 19 states have internal predecessors, (78), 4 states have call successors, (66), 4 states have call predecessors, (66), 9 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67)
[2024-11-05 19:23:44,601 INFO  L276                IsEmpty]: Start isEmpty. Operand 200 states and 297 transitions.
[2024-11-05 19:23:44,603 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 219
[2024-11-05 19:23:44,603 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 19:23:44,603 INFO  L215           NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-05 19:23:44,613 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 19:23:44,803 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 19:23:44,804 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 19:23:44,804 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 19:23:44,804 INFO  L85        PathProgramCache]: Analyzing trace with hash 165937939, now seen corresponding path program 1 times
[2024-11-05 19:23:44,804 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 19:23:44,805 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597827453]
[2024-11-05 19:23:44,805 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 19:23:44,805 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 19:23:44,805 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 19:23:44,808 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 19:23:44,809 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 19:23:45,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 19:23:45,070 INFO  L255         TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 49 conjuncts are in the unsatisfiable core
[2024-11-05 19:23:45,080 INFO  L278         TraceCheckSpWp]: Computing forward predicates...