Failed example:: Got: Traceback (most recent call last): File "/sage/src/sage/doctest/forker.py", line 729, in _run self.compile_and_execute(example, compiler, test.globs) File "/sage/src/sage/doctest/forker.py", line 1153, in compile_and_execute exec(compiled, globs) File "<doctest sage.schemes.elliptic_curves.sha_tate.Sha.an[1]>", line 1, in <module> E.sha().an() File "/sage/src/sage/schemes/elliptic_curves/sha_tate.py", line 444, in an regulator = E.regulator(use_database=use_database, descent_second_limit=descent_second_limit) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/sage/src/sage/schemes/elliptic_curves/ell_rational_field.py", line 2668, in regulator G = self.gens(proof=proof, **kwds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/sage/src/sage/schemes/elliptic_curves/ell_rational_field.py", line 2378, in gens gens, proved = self._compute_gens(proof, **kwds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/sage/src/sage/schemes/elliptic_curves/ell_rational_field.py", line 2521, in _compute_gens raise RuntimeError("Unable to compute the rank, hence generators, with certainty (lower bound=%s, generators found=%s). This could be because Sha(E/Q)[2] is nontrivial." % (C.rank(), G) + RuntimeError: Unable to compute the rank, hence generators, with certainty (lower bound=0, generators found=()). This could be because Sha(E/Q)[2] is nontrivial. Try increasing descent_second_limit then trying this command again.

Process completed with exit code 1.

The process '/usr/bin/git' failed with exit code 128

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