topology 1/1
integrating 1+1 distinct blocks
solve
solving 524 dof system to machine precision using direct solver
refinement iteration 1
residual decreased to 6e-16
refinement iteration 2
residual decreased to 5e-16
refinement iteration 3
residual decreased to 5e-16
refinement iteration 4
residual decreased to 5e-16
refinement iteration 5
residual increased to 5e-16 (discarding)
solver returned with residual 5e-16
topology 1/1
integrating 1 distinct blocks