sessions: more updates with Coq 8.5

examples/bag.mlw

examples/bag/why3session.xml

examples/bag/why3shapes.gz

examples/bitvectors/double/why3session.xml

...t/double_of_int_DoubleOfInt_from_int2c_to_nat_sub_neg_1.v

...t/double_of_int_DoubleOfInt_from_int2c_to_nat_sub_pos_1.v

...rs/double_of_int/double_of_int_DoubleOfInt_lemma1_pos_1.v

...ectors/double_of_int/double_of_int_DoubleOfInt_lemma2_1.v

...of_int/double_of_int_DoubleOfInt_to_nat_bv32_bv64_aux_1.v

...rs/double_of_int/double_of_int_DoubleOfInt_var_value0_1.v

examples/bitvectors/double_of_int/why3session.xml

examples/bitvectors/neg_as_xor/why3session.xml

examples/bitvectors/power2/power2_Pow2int_Mod_pow2_gen_1.v

examples/bitvectors/power2/power2_Pow2int_Power_sum_1.v

examples/bitvectors/power2/power2_Pow2int_pow2pos_1.v

examples/bitvectors/power2/power2_Pow2real_Power_neg_aux_1.v

...ples/bitvectors/power2/power2_Pow2real_Power_non_null_1.v

.../bitvectors/power2/power2_Pow2real_Power_non_null_aux_1.v

examples/bitvectors/power2/power2_Pow2real_Power_sum_1.v

examples/bitvectors/power2/power2_Pow2real_Power_sum_aux_1.v