(** Why3 driver for Z3 >= 4.3.2 *)

(* Do not set any logic, let z3 choose by itself
   prelude "(set-logic AUFNIRA)"
*)

prelude ";; produced by z3_432.drv ;;"

(* Counterexamples: set model parser *)
model_parser "smtv2"

import "smt-libv2.gen"
filename "%f-%t-%g.smt2"
printer "smtv2"
import "no-bv.gen"
import "discrimination.gen"

(* Performed introductions depending on whether counterexamples are
   requested, as said by the meta "get_counterexmp". When this meta
   set, this transformation introduces the model variables that are
   still embedded in the goal. When it is not set, it removes all
   these unused-ce-related variables, even in the context.  *)
transformation "counterexamples_dependent_intros"

transformation "inline_trivial"
transformation "eliminate_builtin"
transformation "detect_polymorphism"
transformation "eliminate_definition"
(* We could keep more definitions by using
   transformation "eliminate_definition_conditionally"
   instead, but some proofs are lost
   (examples/logic/triangle_inequality.why)
*)
transformation "eliminate_inductive"
transformation "eliminate_epsilon"
transformation "eliminate_algebraic_if_poly"
transformation "eliminate_literal"

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

(* 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"

transformation "discriminate_if_poly"
transformation "encoding_smt_if_poly"


(** Error messages specific to Z3 *)

outofmemory "(error \".*out of memory\")"
outofmemory "Failed to verify: pthread_create"
outofmemory "std::bad_alloc"
outofmemory "Resource temporarily unavailable"
outofmemory "Cannot allocate memory"
steplimitexceeded "Maximal allocation counts .* have been exceeded"
steplimitexceeded "(error \".*number of configured allocations exceeded\")"
timeout "^timeout$"
timeout "interrupted by timeout"

(** Extra theories supported by Z3 *)

(* div/mod of Z3 seems to be Euclidean Division *)
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 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
*)
