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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal>I was trying to optimize the following optimization problem through NEOS server using Couenne:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>var d1;<o:p></o:p></p><p class=MsoNormal>var d2;<o:p></o:p></p><p class=MsoNormal>var s1;<o:p></o:p></p><p class=MsoNormal>var s2;<o:p></o:p></p><p class=MsoNormal>var r1;<o:p></o:p></p><p class=MsoNormal>var r2;<o:p></o:p></p><p class=MsoNormal>maximize Profit: d1*r1 + d2*r2;<o:p></o:p></p><p class=MsoNormal>subject to One: (1-d1)*((2^s1) - 1)/1 <= 1;<o:p></o:p></p><p class=MsoNormal>subject to Two: (1-d1)*((2^s1) - 1)/1 + (1-d2)*((2^s2) - 1)/0.5 <= 1.5;<o:p></o:p></p><p class=MsoNormal>subject to Three: (d1)*((2^r1) - 1)/1 <= 1;<o:p></o:p></p><p class=MsoNormal>subject to Four: (d1)*((2^r1) - 1)/1 + (d2)*((2^r2) - 1)/0.5 <= 1.5;<o:p></o:p></p><p class=MsoNormal>subject to Five: (1-d1)*s1 - d1*r1 >= 0;<o:p></o:p></p><p class=MsoNormal>subject to Six: (1-d1)*s1 + (1-d2)*s2 - d1*r1 - d2*r2 >= 0;<o:p></o:p></p><p class=MsoNormal>subject to Seven: d1>=0;<o:p></o:p></p><p class=MsoNormal>subject to Eight: d2>=0;<o:p></o:p></p><p class=MsoNormal>subject to Nine: d1<=1;<o:p></o:p></p><p class=MsoNormal>subject to Ten: d2<=1;<o:p></o:p></p><p class=MsoNormal>subject to Eleven: s1>=0;<o:p></o:p></p><p class=MsoNormal>subject to Twelve: s2>=0;<o:p></o:p></p><p class=MsoNormal>subject to Thirteen: r1>=0;<o:p></o:p></p><p class=MsoNormal>subject to Forteen: r2>=0;<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Unfortunately, I don’t find the result and get something message as below:<o:p></o:p></p><p class=MsoPlainText>Time limit reached. Process killed<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I was just trying to see if my problem can be solved by Couenne before I install Couenne.<o:p></o:p></p><p class=MsoNormal>Would you kindly let me know how I should resolve the error?<o:p></o:p></p><p class=MsoNormal>Thank you,<o:p></o:p></p><p class=MsoNormal>Best,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Imtiaz <o:p></o:p></p></div></body></html>