Hello,
I am using Gurobi as my CVX_solver in my research. It is not a very large
problem (but with 10 binary variables). CVX is called from matlab. I got a segmentation fault consistently (see the dump message below). This doesn’t happen if I change those binary variables to real values.
The problem seems to be in libgurobi6.0.so and Gurobi support asked me to upgrade to gurobi 6.5.2. I check that CVX3.0beta is still using the libgurobi6.0.so. My questions are:
- Is there a way I could upgrade the gurobi version within CVX to gurobi 6.5.2?
- I feel the problem probably will not go way even with gurobi 6.5.2. Any other suggestions to avoid this problem?
p.s. I did try mosek, but it converges so slowly that it pretty much can’t be used.
Thank you for your help and best regards,
Yijun Zhao
================== core dump message =========================
Calling Gurobi 6.00: 1555 variables, 706 equality constraints
Gurobi optimizer, licensed to CVX for CVX
Optimize a model with 706 rows, 1555 columns and 22932 nonzeros
Model has 2 quadratic constraints
Coefficient statistics:
Matrix range [2e-11, 1e+05]
Objective range [1e-03, 5e-01]
Bounds range [1e+00, 1e+00]
RHS range [1e+00, 1e+05]
Warning: Model contains large matrix coefficient range
Consider reformulating model or setting NumericFocus parameter
to avoid numerical issues.
Presolve removed 0 rows and 708 columns
Presolve time: 0.01s
Presolved: 706 rows, 847 columns, 22066 nonzeros
Variable types: 837 continuous, 10 integer (10 binary)
Root relaxation: objective -5.331140e-01, 771 iterations, 0.03 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 -0.53311 0 2 - -0.53311 - - 0s
0 0 -0.53311 0 2 - -0.53311 - - 0s
H 0 0 0.5858032 -0.53311 191% - 0s
0 0 -0.52309 0 1 0.58580 -0.52309 189% - 0s
0 0 -0.52309 0 1 0.58580 -0.52309 189% - 0s
0 0 -0.52309 0 1 0.58580 -0.52309 189% - 0s
0 0 -0.52309 0 1 0.58580 -0.52309 189% - 0s
Segmentation violation detected at Tue Oct 4 18:22:28 2016
Configuration:
Crash Decoding : Disabled
Crash Mode : continue (default)
Current Graphics Driver: Unknown software
Current Visual : None
Default Encoding : UTF-8
GNU C Library : 2.12 stable
Host Name : alpha022
MATLAB Architecture : glnxa64
MATLAB Root : /opt/shared/Matlab/R2016a
MATLAB Version : 9.0.0.341360 (R2016a)
OpenGL : software
Operating System : Linux 2.6.32-573.18.1.el6.x86_64 #1 SMP Wed Jan 6
11:20:49 EST 2016 x86_64
Processor ID : x86 Family 6 Model 62 Stepping 4, GenuineIntel
Virtual Machine : Java 1.7.0_60-b19 with Oracle Corporation Java
HotSpot™ 64-Bit Server VM mixed mode
Window System : No active display
Fault Count: 1
Abnormal termination:
Segmentation violation
Register State (from fault):
RAX = 00007fa73e088f70 RBX = 00007fa73e08d3b0
RCX = 00007fa73e08ea80 RDX = 00007fa824c11010
RSP = 00007fa8792a0a70 RBP = 0000000000000003
RSI = 00007fa73dbcbea0 RDI = 0000000000000041
R8 = 00007fa73d8f65b0 R9 = 00007fa73d7058c0
R10 = 0000000000000003 R11 = 00000000000f2f60
R12 = 00000000000002d6 R13 = 00007fa73e09c8a0
R14 = 000000000000f2f6 R15 = fffffffbfe900000
RIP = 00007fa827366b6f EFL = 0000000000010287
CS = 0033 FS = 0000 GS = 0000
Stack Trace (from fault):
[ 0] 0x00007fa827366b6f
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+01063791
[ 1] 0x00007fa82736683b
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+01062971
[ 2] 0x00007fa82735076e
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+00972654
[ 3] 0x00007fa82734d3ff
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+00959487
[ 4] 0x00007fa827301200
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+00647680
[ 5] 0x00007fa827356c4a
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+00998474
[ 6] 0x00007fa827300f20
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+00646944
[ 7] 0x00007fa8272d5873
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+00469107
[ 8] 0x00007fa827485aaf
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+02239151
[ 9] 0x00007fa8274a2422
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+02356258
[ 10] 0x00007fa8274a00f9
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+02347257
[ 11] 0x00007fa82748a93a
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+02259258
[ 12] 0x00007fa82747bf81
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+02199425
[ 13] 0x00007fa8275782da
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+03232474
[ 14] 0x00007fa8275766f2
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/libgurobi60.so+03225330
GRBoptimize+00000242
[ 15] 0x00007fa8443d2db6
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/gurobi.mexa64+00032182
[ 16] 0x00007fa8443d07c3
/cluster/home/y/z/yzhao04/cvx/gurobi/a64/gurobi.mexa64+00022467
mexFunction+00011699
[ 17] 0x00007fa88224d8b0
/opt/shared/Matlab/R2016a/bin/glnxa64/libmex.so+00149680
mexRunMexFile+00000064
[ 18] 0x00007fa88224a214
/opt/shared/Matlab/R2016a/bin/glnxa64/libmex.so+00135700
[ 19] 0x00007fa88224adb4
/opt/shared/Matlab/R2016a/bin/glnxa64/libmex.so+00138676
[ 20] 0x00007fa882ff4505
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_dispatcher.so+00746757
ZN8Mfh_file16dispatch_fh_implEMS_FviPP11mxArray_tagiS2_EiS2_iS2+00001509
[ 21] 0x00007fa882ff49a0
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_dispatcher.so+00747936
ZN8Mfh_file11dispatch_fhEiPP11mxArray_tagiS2+00000032
[ 22] 0x00007fa87ffe01c9
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+09232841
[ 23] 0x00007fa88010cdbf
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10464703
[ 24] 0x00007fa8801028e6
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10422502
[ 25] 0x00007fa8800cb891
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10197137
[ 26] 0x00007fa87fc5b0ff
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+05542143
[ 27] 0x00007fa87fc48940
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+05466432
[ 28] 0x00007fa87fc4c22a
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+05481002
[ 29] 0x00007fa87feee543
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+08242499
[ 30] 0x00007fa87ffd16a1
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+09172641
[ 31] 0x00007fa882ff4505
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_dispatcher.so+00746757
ZN8Mfh_file16dispatch_fh_implEMS_FviPP11mxArray_tagiS2_EiS2_iS2+00001509
[ 32] 0x00007fa882ff4970
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_dispatcher.so+00747888
ZN8Mfh_file22dispatch_fh_with_reuseEiPP11mxArray_tagiS2+00000032
[ 33] 0x00007fa88014d42e
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10728494
[ 34] 0x00007fa88014d4c9
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10728649
[ 35] 0x00007fa88014ff7d
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10739581
[ 36] 0x00007fa880154cc2
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10759362
[ 37] 0x00007fa87ffe0638
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+09233976
[ 38] 0x00007fa88010cd3a
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10464570
[ 39] 0x00007fa88010283b
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10422331
[ 40] 0x00007fa8800e92a1
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+10318497
[ 41] 0x00007fa87fc5b0ff
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+05542143
[ 42] 0x00007fa87fc48940
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+05466432
[ 43] 0x00007fa87fc4c22a
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+05481002
[ 44] 0x00007fa87feee543
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+08242499
[ 45] 0x00007fa87feb707e
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+08015998
[ 46] 0x00007fa87febb058
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+08032344
[ 47] 0x00007fa87febb107
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+08032519
[ 48] 0x00007fa87ff3132c
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+08516396
[ 49] 0x00007fa87ff31792
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwm_lxe.so+08517522
[ 50] 0x00007fa882488d7c
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwbridge.so+00200060
[ 51] 0x00007fa8824899c5
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwbridge.so+00203205
_Z8mnParserv+00000789
[ 52] 0x00007fa8832ddc13
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00695315
[ 53] 0x00007fa8965f181c
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmvm.so+02410524
_ZNK5boost9function0IvEclEv+00000028
[ 54] 0x00007fa8832df925
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00702757
[ 55] 0x00007fa8832e0839
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00706617
_ZN5boost6detail17task_shared_stateINS_3_bi6bind_tIvPFvRKNS_8functionIFvvEEEENS2_5list1INS2_5valueIS6_EEEEEEvE6do_runEv+00000025
[ 56] 0x00007fa8918c28a0
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwms.so+03168416
_ZN5boost6detail22task_base_shared_stateIvE3runEv+00000064
[ 57] 0x00007fa8832e1717
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00710423
[ 58] 0x00007fa8832dd75a
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00694106
[ 59] 0x00007fa883650c06
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwiqm.so+00969734
[ 60] 0x00007fa88363eb4c
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwiqm.so+00895820
_ZN5boost6detail8function21function_obj_invoker0ISt8functionIFNS_3anyEvEES4_E6invokeERNS1_15function_bufferE+00000028
[ 61] 0x00007fa88363f21f
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwiqm.so+00897567
_ZNK5boost9function0INS_3anyEEclEv+00000031
[ 62] 0x00007fa88363e993
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwiqm.so+00895379
_ZN3iqm18PackagedTaskPlugin7executeEP15inWorkSpace_tagRN5boost10shared_ptrIN14cmddistributor17IIPCompletedEventEEE+00000163
[ 63] 0x00007fa8832f271d
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00780061
[ 64] 0x00007fa883620f98
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwiqm.so+00774040
[ 65] 0x00007fa88360b5af
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwiqm.so+00685487
[ 66] 0x00007fa8836087e3
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwiqm.so+00673763
[ 67] 0x00007fa895faea3a
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwservices.so+03443258
[ 68] 0x00007fa895fad8a7
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwservices.so+03438759
[ 69] 0x00007fa895fae10c
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwservices.so+03440908
_Z25svWS_ProcessPendingEventsiib+00000092
[ 70] 0x00007fa8832dded2
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00696018
[ 71] 0x00007fa8832de211
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00696849
[ 72] 0x00007fa8832cacfd
/opt/shared/Matlab/R2016a/bin/glnxa64/libmwmcr.so+00617725
[ 73] 0x0000003d79c07aa1
/lib64/libpthread.so.0+00031393
[ 74] 0x0000003d790e893d
/lib64/libc.so.6+00952637 clone+00000109
[ 75] 0x0000000000000000
+00000000