/// Computation time exceeded (Code 599)
    #[error("The computation time was exceeded")]
    TimeExceeded,

            SolveError::TimeExceeded => {
                let status = Status::new(599, "Max solve time exceeded");
                response.set_status(status);
                response.set_sized_body(Cursor::new("Max solve time exceeded"));
            }

const MAX_SOLVE_TIME: f64 = 1.000;

    if ! handle.wait(MAX_SOLVE_TIME) {
        // Solve time exceeded!
        handle.close()?;
        return Err(SolveError::TimeExceeded);
    }