author | blanchet |
Thu, 12 Jun 2014 01:00:49 +0200 | |
changeset 57229 | 489083abce44 |
parent 57158 | f028d93798e6 |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/SMT2/smt2_failure.ML |
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Author: Sascha Boehme, TU Muenchen |
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Failures and exception of SMT. |
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*) |
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signature SMT2_FAILURE = |
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sig |
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datatype failure = |
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Counterexample of bool | |
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Time_Out | |
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Out_Of_Memory | |
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Abnormal_Termination of int | |
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Other_Failure of string |
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val string_of_failure: failure -> string |
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exception SMT of failure |
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end; |
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structure SMT2_Failure: SMT2_FAILURE = |
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struct |
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datatype failure = |
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Counterexample of bool | |
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Time_Out | |
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Out_Of_Memory | |
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Abnormal_Termination of int | |
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Other_Failure of string |
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fun string_of_failure (Counterexample genuine) = |
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if genuine then "Counterexample found (possibly spurious)" |
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else "Potential counterexample found" |
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| string_of_failure Time_Out = "Timed out" |
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| string_of_failure Out_Of_Memory = "Ran out of memory" |
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| string_of_failure (Abnormal_Termination err) = |
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"Solver terminated abnormally with error code " ^ string_of_int err |
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| string_of_failure (Other_Failure msg) = msg |
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exception SMT of failure |
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end; |