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Catch equiv deno error in high level tactics #1092

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Catch equiv deno error in high level tactics #1092

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8 changes: 6 additions & 2 deletions src/phl/ecPhlDeno.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -299,6 +299,8 @@ let t_equiv_deno_bad pre tc =
let env, _hyps, concl = FApi.tc1_eflat tc in
let fpr1, fpr2, fprb = tc_destr_deno_bad tc env concl in
let pr1 = destr_pr fpr1 and pr2 = destr_pr fpr2 and prb = destr_pr fprb in
if not (pr2.pr_mem = prb.pr_mem) then
tc_error !!tc "invalid goal shape";
let m = prb.pr_event.m in
let ev2 = ss_inv_rebind pr2.pr_event m in
let fand = map_ss_inv2 f_and ev2 (map_ss_inv1 f_not prb.pr_event) in
Expand Down Expand Up @@ -354,6 +356,8 @@ let t_equiv_deno_bad2 pre bad1 tc =
let fpr1, fpr2, fprb = tc_destr_deno_bad2 tc env concl in
let pr1 = destr_pr fpr1 and pr2 = destr_pr fpr2 and
prb = destr_pr fprb in
if not (pr2.pr_mem = prb.pr_mem) then
tc_error !!tc "invalid goal shape";
let f1 = pr1.pr_fun and f2 = pr2.pr_fun in
let ev1 = pr1.pr_event and ev2 = pr2.pr_event in
let ev1 = ss_inv_rebind ev1 bad1.m in
Expand All @@ -370,8 +374,8 @@ let t_equiv_deno_bad2 pre bad1 tc =
let cpre = cond_pre env pr1 pr2 pre in
let fpreb1 = f_pr pr1.pr_mem pr1.pr_fun pr1.pr_args (map_ss_inv2 f_and ev1 bad1) in
let fpren1 = f_pr pr1.pr_mem pr1.pr_fun pr1.pr_args (map_ss_inv2 f_and ev1 (map_ss_inv1 f_not bad1)) in
let fpreb2 = f_pr pr1.pr_mem pr2.pr_fun pr2.pr_args (map_ss_inv2 f_and ev2 bad2) in
let fpren2 = f_pr pr1.pr_mem pr2.pr_fun pr2.pr_args (map_ss_inv2 f_and ev2 (map_ss_inv1 f_not bad2)) in
let fpreb2 = f_pr pr2.pr_mem pr2.pr_fun pr2.pr_args (map_ss_inv2 f_and ev2 bad2) in
let fpren2 = f_pr pr2.pr_mem pr2.pr_fun pr2.pr_args (map_ss_inv2 f_and ev2 (map_ss_inv1 f_not bad2)) in
let fabs' =
f_real_abs
(f_real_sub (f_real_add fpreb1 fpren1) (f_real_add fpreb2 fpren2)) in
Expand Down
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