<div>Hi</div><div><br></div><div>I got a crash of ipopt, see below. I dont understand why this happened. Can anybody throw some light ?</div><div><br></div><div>Thanks</div><div>praveen</div><div><br></div><div><br></div><div>
<br></div><div>List of user-set options:</div><div><br></div><div> Name Value used</div><div> acceptable_tol = 0.01 yes</div><div>
compl_inf_tol = 0.01 yes</div><div> constr_viol_tol = 0.01 yes</div><div> dual_inf_tol = 0.01 yes</div>
<div> hessian_approximation = limited-memory yes</div><div> limited_memory_max_history = 20 yes</div><div> max_iter = 30 yes</div>
<div> mu_strategy = monotone yes</div><div> output_file = ipopt.out yes</div><div> print_level = 5 yes</div>
<div> print_user_options = yes yes</div><div> tol = 0.01 yes</div><div><br></div><div>******************************************************************************</div>
<div>This program contains Ipopt, a library for large-scale nonlinear optimization.</div><div> Ipopt is released as open source code under the Common Public License (CPL).</div><div> For more information visit <a href="http://projects.coin-or.org/Ipopt">http://projects.coin-or.org/Ipopt</a></div>
<div>******************************************************************************</div><div><br></div><div>This is Ipopt version 3.8.1, running with linear solver ma27.</div><div><br></div><div>Number of nonzeros in equality constraint Jacobian...: 20</div>
<div>Number of nonzeros in inequality constraint Jacobian.: 0</div><div>Number of nonzeros in Lagrangian Hessian.............: 0</div><div><br></div><div>Total number of variables............................: 20</div>
<div> variables with only lower bounds: 0</div><div> variables with lower and upper bounds: 20</div><div> variables with only upper bounds: 0</div>
<div>Total number of equality constraints.................: 1</div><div>Total number of inequality constraints...............: 0</div><div> inequality constraints with only lower bounds: 0</div>
<div> inequality constraints with lower and upper bounds: 0</div><div> inequality constraints with only upper bounds: 0</div><div><br></div><div>iter objective inf_pr inf_du lg(mu) ||d|| lg(rg) alpha_du alpha_pr ls</div>
<div> 0 1.0000000e+00 0.00e+00 1.51e+01 -1.0 0.00e+00 - 0.00e+00 0.00e+00 0</div><div>Warning: SOC step rejected due to evaluation error</div><div> 1 4.9031688e-01 2.45e-02 1.01e+01 -1.0 1.49e+00 - 8.78e-02 1.86e-02f 5</div>
<div> 2 4.7742248e-01 1.20e-02 6.36e+00 -1.0 9.11e-03 - 1.00e+00 1.00e+00f 1</div><div> 3 4.4798092e-01 1.82e-03 3.11e+00 -1.0 4.34e-03 - 1.00e+00 1.00e+00h 1</div><div> 4 6.1604770e-01 9.18e-04 8.60e+01 -1.0 6.90e-03 - 1.00e+00 1.00e+00H 1</div>
<div> 5 4.1591813e-01 2.14e-02 6.57e+00 -1.0 1.09e-02 - 1.00e+00 1.00e+00f 1</div><div> 6 4.3263781e-01 7.14e-04 3.74e+00 -1.0 4.94e-03 - 1.00e+00 1.00e+00h 1</div><div> 7 4.2271494e-01 1.93e-03 6.07e+00 -1.0 1.25e-02 - 1.00e+00 1.00e+00f 1</div>
<div> 8 4.5439822e-01 6.55e-03 3.52e+10 -1.0 3.91e-02 - 1.00e+00 1.00e+00f 1</div><div> 9 2.1798476e+00 1.96e-01 6.76e+00 -1.0 2.44e+08 - 5.90e-10 5.90e-10s 73</div><div>dyld: lazy symbol binding failed: Symbol not found: ___libm_sse2_logf</div>
<div> Referenced from: /opt/ipopt/lib/libipopt.0.dylib</div><div> Expected in: flat namespace</div><div><br></div><div>dyld: Symbol not found: ___libm_sse2_logf</div><div> Referenced from: /opt/ipopt/lib/libipopt.0.dylib</div>
<div> Expected in: flat namespace</div><div><br></div><div>Trace/BPT trap</div><div><br></div><br>