[aorai] much less verbose oracle for config 'prove'

src/plugins/aorai/tests/Aorai_test.ml

...ugins/aorai/tests/aorai/oracle_prove/assigns.0.res.oracle

...ugins/aorai/tests/aorai/oracle_prove/assigns.1.res.oracle

...ugins/aorai/tests/aorai/oracle_prove/bts1289.0.res.oracle

...ugins/aorai/tests/aorai/oracle_prove/bts1289.1.res.oracle

...rai/tests/aorai/oracle_prove/declared_function.res.oracle

...s/aorai/tests/aorai/oracle_prove/deterministic.res.oracle

...plugins/aorai/tests/aorai/oracle_prove/formals.res.oracle

...ts/aorai/oracle_prove/generate_assigns_bts1290.res.oracle

src/plugins/aorai/tests/aorai/oracle_prove/goto.res.oracle

...ugins/aorai/tests/aorai/oracle_prove/hoare_seq.res.oracle

...ugins/aorai/tests/aorai/oracle_prove/incorrect.res.oracle

...ns/aorai/tests/aorai/oracle_prove/loop_bts1050.res.oracle

...plugins/aorai/tests/aorai/oracle_prove/not_prm.res.oracle

src/plugins/aorai/tests/aorai/oracle_prove/other.res.oracle

src/plugins/aorai/tests/aorai/oracle_prove/seq.res.oracle

...lugins/aorai/tests/aorai/oracle_prove/seq_loop.res.oracle

...ins/aorai/tests/aorai/oracle_prove/single_call.res.oracle

...rai/tests/aorai/oracle_prove/test_acces_params.res.oracle

...ai/tests/aorai/oracle_prove/test_acces_params2.res.oracle