z3.drv 1.58 KB
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(** Why3 driver for Z3 <= 4.3.1 *)

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prelude "(set-logic AUFNIRA)"
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(* A  : Array
   UF : Uninterpreted Function
   NIRA : NonLinear Integer Reals Arithmetic
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*)

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import "smt-libv2.drv"
import "discrimination.gen"

transformation "inline_trivial"
transformation "eliminate_builtin"
transformation "eliminate_definition"
transformation "eliminate_inductive"
transformation "eliminate_algebraic"
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transformation "eliminate_literal"
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transformation "eliminate_epsilon"

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

transformation "discriminate"
transformation "encoding_smt"

(** Error messages specific to Z3 *)

outofmemory "(error \".*out of memory\")\\|Cannot allocate memory"
timeout "interrupted by timeout"
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(* stop reporting Z3 2.19 warnings as errors *)
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fail "^(error \"\\(\\(W\\(A\\(R\\(N\\(I\\(N[^G]\\|[^N]\\)\\|[^I]\\)\\|[^N]\\)\\|[^R]\\)\\|[^A]\\)\\|[^W]\\).*\\)\")" "Error: \\1"
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(** Extra theories supported by Z3 *)

(* div/mod of Z3 seems to be Euclidean Division *)
theory int.EuclideanDivision
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  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
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end

theory real.FromInt
  syntax function from_int "(to_real %1)"
  remove prop Zero
  remove prop One
  remove prop Add
  remove prop Sub
  remove prop Mul
  remove prop Neg
end

(* does not work: Z3 segfaults
theory real.Trigonometry

  syntax function cos "(cos %1)"
  syntax function sin "(sin %1)"
  syntax function pi "pi"
  syntax function tan "(tan %1)"
  syntax function atan "(atan %1)"

end
*)