lean4-htt/tests/elab/grind_linarith_trim_context.lean
Garmelon 08eb78a5b2
chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

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module
/--
trace: [grind.debug.proof] fun h h_1 h_2 h_3 h_4 h_5 h_6 h_7 h_8 =>
id
(let ctx := RArray.branch 1 (RArray.leaf One.one) (RArray.leaf (f 2));
let p_1 := Poly.nil;
let p_2 := Poly.add 1 1 Poly.nil;
let p_3 := Poly.add 1 0 Poly.nil;
let p_4 := Poly.add (-1) 1 (Poly.add 1 0 Poly.nil);
let p_5 := Poly.add (-1) 0 Poly.nil;
let e_1 := (Expr.intMul 1 (Expr.var 1)).add (Expr.intMul 0 (Expr.var 0));
let e_2 := Expr.zero;
let e_3 := (Expr.intMul (-1) (Expr.var 1)).add (Expr.intMul 1 (Expr.var 0));
let rctx := RArray.leaf (f 2);
let rp_1 := CommRing.Poly.add 1 (CommRing.Mon.mult { x := 0, k := 1 } CommRing.Mon.unit) (CommRing.Poly.num 0);
let rp_2 :=
CommRing.Poly.add (-1) (CommRing.Mon.mult { x := 0, k := 1 } CommRing.Mon.unit) (CommRing.Poly.num 1);
let re_1 := CommRing.Expr.var 0;
let re_2 := CommRing.Expr.num 0;
let re_3 := ((CommRing.Expr.num 1).neg.mul (CommRing.Expr.var 0)).add (CommRing.Expr.num 1);
lt_unsat ctx
(le_lt_combine ctx p_3 p_5 p_1 (eagerReduce (Eq.refl true))
(le_le_combine ctx p_4 p_2 p_3 (eagerReduce (Eq.refl true))
(le_norm ctx e_3 e_2 p_4 (eagerReduce (Eq.refl true))
(CommRing.le_int_module rctx rp_2
(CommRing.le_norm rctx re_3 re_2 rp_2 (eagerReduce (Eq.refl true)) h_8)))
(le_norm ctx e_1 e_2 p_2 (eagerReduce (Eq.refl true))
(CommRing.le_int_module rctx rp_1
(CommRing.le_norm rctx re_1 re_2 rp_1 (eagerReduce (Eq.refl true)) h_1))))
(zero_lt_one ctx p_5 (eagerReduce (Eq.refl true)) (Eq.refl One.one))))
-/
#guard_msgs in
open Std Lean Grind Linarith in
set_option trace.grind.debug.proof true in -- Context should contain only `f 2` and `One`
example [CommRing α] [LE α] [LT α] [LawfulOrderLT α] [IsLinearOrder α] [OrderedRing α] (f : Nat → α) :
f 1 <= 0 → f 2 <= 0 → f 3 <= 0 → f 4 <= 0 → f 5 <= 0 → f 6 <= 0 → f 7 <= 0 → f 8 <= 0 → -1 * f 2 + 1 <= 0 → False := by
grind -order