cvc4_15.drv 2.09 KB
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(** Why3 driver for CVC4 >= 1.5 *)

prelude "(set-logic AUFBVDTLIRA)"
(*
    A  : Array
    UF : Uninterpreted Function
    BV : BitVectors
    DT : Datatypes
    NIRA : NonLinear Integer Reals Arithmetic
*)
(* prelude "(set-logic ALL_SUPPORTED)"
   does not seem to include DT
*)

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(* Counterexamples: makes it possible to get rid of more quantifiers while introducing premises *)
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(* transformation "split_intro" *)

(* Counterexamples: set model parser *)
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model_parser "smtv2"
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import "smt-libv2.drv"
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import "smt-libv2-bv.gen"
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import "discrimination.gen"

transformation "inline_trivial"
transformation "eliminate_builtin"
(* temporarily disabled: too much experimental
transformation "detect_polymorphism"
*)
transformation "eliminate_definition_if_poly"
transformation "eliminate_inductive"
transformation "eliminate_algebraic_if_poly"
transformation "eliminate_epsilon"

transformation "simplify_formula"
(*transformation "simplify_trivial_quantification"*)

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(* Prepare for counter-example query: get rid of some quantifiers (makes it 
possible to query model values of the variables in premises) and introduce
counter-example projections  *)
transformation "prepare_for_counterexmp"
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transformation "discriminate_if_poly"
transformation "encoding_smt_if_poly"

(** Error messages specific to CVC4 *)

outofmemory "(error \".*out of memory\")\\|Cannot allocate memory"
timeout "interrupted by timeout"
steps "smt::SmtEngine::resourceUnitsUsed, \\([0-9]+.?[0-9]*\\)" 1
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(**
Unfortunately, there is no specific output message when CVC4 reaches its resource limit
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steplimitexceeded "??"
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*)
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(** Extra theories supported by CVC4 *)

(* Disabled:
   CVC4 division seems to be neither the Euclidean one, nor the Computer one

theory int.EuclideanDivision
   syntax function div "(div %1 %2)"
   syntax function mod "(mod %1 %2)"
   remove prop Mod_bound
   remove prop Div_mod
   remove prop Mod_1
   remove prop Div_1
end

theory int.ComputerDivision
   syntax function div "(div %1 %2)"
   syntax function mod "(mod %1 %2)"
   remove prop Mod_bound
   remove prop Div_mod
   remove prop Mod_1
   remove prop Div_1
end
*)

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import "cvc4_bv.gen"