Hi, there<br><br>I have the following problems when I ran the problem:<br><br>I<span style="color: rgb(255, 0, 0);">n iteration 132, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">
In iteration 133, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">In iteration 135, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);">
<span style="color: rgb(255, 0, 0);">In iteration 136, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">In iteration 137, 7 Slacks too small, adjusting variable bounds
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">In iteration 139, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">
In iteration 140, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">In iteration 141, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);">
<span style="color: rgb(255, 0, 0);">In iteration 143, 7 Slacks too small, adjusting variable bounds</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Restoration phase is called at point that is almost feasible,
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);"> with constraint violation 3.205075e-12. Abort.</span><br style="color: rgb(255, 0, 0);"><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">
Number of Iterations....: 144</span><br style="color: rgb(255, 0, 0);"><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);"> (scaled) (unscaled)</span>
<br style="color: rgb(255, 0, 0);">
<span style="color: rgb(255, 0, 0);">Objective...............: -7.9195441218271328e+04 -2.6926450014212250e+05</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Dual infeasibility......:
1.5625000000000000e-02
5.3124999999999999e-02</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Constraint violation....: 0.0000000000000000e+00 0.0000000000000000e+00</span><br style="color: rgb(255, 0, 0);">
<span style="color: rgb(255, 0, 0);">Complementarity.........: 1.4323837401800188e-09 4.8701047166120633e-09</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Overall NLP error.......:
1.0028497388717635e-12
5.3124999999999999e-02</span><br style="color: rgb(255, 0, 0);"><br style="color: rgb(255, 0, 0);"><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Number of objective function evaluations = 923
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Number of objective gradient evaluations = 146</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Number of equality constraint evaluations = 923
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Number of inequality constraint evaluations = 923</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Number of equality constraint Jacobian evaluations = 146
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Number of inequality constraint Jacobian evaluations = 146</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Number of Lagrangian Hessian evaluations = 145
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">Total CPU secs in IPOPT (w/o function evaluations) = 1.141</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">
Total CPU secs in NLP function evaluations = 0.179</span><br style="color: rgb(255, 0, 0);"><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">EXIT: Restoration Failed!</span><br style="color: rgb(255, 0, 0);">
<span style="color: rgb(255, 0, 0);">Restoration failed or stop at tiny step: we don't know about optimality, but we have feasibility!!</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">--- Reading solution for model inv_case2
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">--- s6-p6-c6-seg3-ipopt-nonit.gms(399) 4 Mb 1 Error</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">*** Status: Execution error(s)
</span><br style="color: rgb(255, 0, 0);"><span style="color: rgb(255, 0, 0);">--- Job s6-p6-c6-seg3-ipopt-nonit.gms Stop 12/22/07 02:38:15 elapsed 0:0</span><br><br>What should I do with the IPOPT option file to eliminate this error
<br><br>Best,<br><font color="#888888"><br>Roy</font>