Dear all,
I've been trying to compile the attached code for a compressible acoustic wave, but I've been getting the following error.
How do I fix this?
Traceback (most recent call last):
File "compressible_acoustic.py", line 118, in <module>
solve(a == L, out)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/solving.py", line 120, in solve
_solve_varproblem(*args, **kwargs)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/solving.py", line 147, in _solve_varproblem
solver.solve()
File "<decorator-gen-277>", line 2, in solve
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/PyOP2-0.11.0_397_g9860f8d-py2.7-linux-x86_64.egg/pyop2/profiling.py", line 203, in wrapper
return f(*args, **kwargs)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/variational_solver.py", line 173, in solve
self.snes.solve(None, v)
File "PETSc/SNES.pyx", line 520, in petsc4py.PETSc.SNES.solve (src/petsc4py.PETSc.c:169677)
File "PETSc/petscsnes.pxi", line 253, in petsc4py.PETSc.SNES_Function (src/petsc4py.PETSc.c:33478)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/solving_utils.py", line 187, in form_function
nest=problem._nest)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/assemble.py", line 68, in assemble
inverse=inverse, nest=nest)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/assemble.py", line 101, in _assemble
inverse=inverse)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/ffc_interface.py", line 279, in compile_form
ffc_kernel = FFCKernel(f, name + str(i) + str(j), parameters)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/PyOP2-0.11.0_397_g9860f8d-py2.7-linux-x86_64.egg/pyop2/caching.py", line 203, in __new__
obj = make_obj()
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/PyOP2-0.11.0_397_g9860f8d-py2.7-linux-x86_64.egg/pyop2/caching.py", line 193, in make_obj
obj.__init__(*args, **kwargs)
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/firedrake/ffc_interface.py", line 188, in __init__
ffc_tree = ffc_compile_form(form, prefix=name, parameters=parameters)
File "build/bdist.linux-x86_64/egg/ffc/compiler.py", line 159, in compile_form
File "build/bdist.linux-x86_64/egg/ffc/representation.py", line 108, in compute_ir
File "build/bdist.linux-x86_64/egg/ffc/representation.py", line 351, in _compute_integral_ir
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturerepresentation.py", line 95, in compute_integral_ir
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturerepresentation.py", line 191, in _transform_integrals_by_type
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturerepresentation.py", line 223, in _transform_integrals
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 772, in generate_terms
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 107, in visit
r = h(o)
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 548, in index_sum
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 107, in visit
r = h(o)
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 511, in indexed
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 107, in visit
r = h(o)
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 724, in component_tensor
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 103, in visit
r = h(o, *[self.visit(op) for op in o.ufl_operands])
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 107, in visit
r = h(o)
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 511, in indexed
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 107, in visit
r = h(o)
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 668, in negative_restricted
File "/home/cserv1_a/apps/install/firedrake/0.12.0/lib64/python2.7/site-packages/ufl/algorithms/transformer.py", line 107, in visit
r = h(o)
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 474, in coefficient
File "build/bdist.linux-x86_64/egg/ffc/quadrature/optimisedquadraturetransformer.py", line 558, in create_function
File "build/bdist.linux-x86_64/egg/ffc/quadrature/quadraturetransformerbase.py", line 1290, in _create_function_name
UnboundLocalError: local variable 'loop_index' referenced before assignment