Trace number 363502

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerObjective functionCPU timeWall clock time
glpPB 0.2OPT2967 3.02654 3.03138

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/mps-v2-20-10/
MIPLIB/miplib/normalized-mps-v2-20-10-lp4l.opb
MD5SUM8d2c17131f0dd6c2b5d472cf1eef4c89
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2967
Best CPU time to get the best result obtained on this benchmark3.02654
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2967
Optimality of the best value was proved YES
Number of variables1086
Total number of constraints85
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)84
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint4
Maximum length of a constraint1086
Number of terms in the objective function 1086
Biggest coefficient in the objective function 283
Number of bits for the biggest coefficient in the objective function 9
Sum of the numbers in the objective function 197191
Number of bits of the sum of numbers in the objective function 18
Biggest number in a constraint 283
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 197191
Number of bits of the biggest sum of numbers18
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.00	c glpPB 0.2 (July 2006)
0.00/0.00	c An Application of GLPK 4.10 for PB Constraints
0.00/0.00	c Done @ University of Michigan, Ann Arbor, MI
0.00/0.00	c  by Hossein Sheini
2.98/3.02	c starting to Solve
2.98/3.02	c total time = 3.02
2.98/3.02	o 2967
2.98/3.02	c quality of integer solution is H
2.98/3.02	s OPTIMUM FOUND
2.98/3.02	v -x1 -x2 -x3 -x4 -x5 x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 x22 -x23 -x24 -x25 -x26 x27 -x28 -x29
2.98/3.02	v x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55
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2.98/3.02	v -x568 -x569 -x570 -x571 -x572 -x573 -x574 -x575 -x576 -x577 -x578 -x579 -x580 -x581 -x582 -x583 -x584 -x585 -x586 -x587 -x588
2.98/3.02	v -x589 -x590 x591 -x592 -x593 -x594 -x595 -x596 -x597 -x598 -x599 -x600 -x601 -x602 -x603 -x604 -x605 -x606 -x607 -x608 -x609
2.98/3.02	v -x610 -x611 -x612 -x613 -x614 -x615 -x616 -x617 -x618 -x619 -x620 -x621 -x622 -x623 -x624 -x625 -x626 -x627 -x628 -x629 -x630
2.98/3.02	v -x631 -x632 -x633 -x634 -x635 -x636 -x637 -x638 -x639 x640 -x641 -x642 -x643 -x644 -x645 -x646 -x647 -x648 -x649 -x650 -x651
2.98/3.02	v -x652 -x653 -x654 -x655 -x656 -x657 -x658 -x659 -x660 -x661 -x662 -x663 -x664 -x665 -x666 -x667 -x668 -x669 -x670 -x671 -x672
2.98/3.02	v -x673 -x674 -x675 -x676 -x677 -x678 -x679 -x680 -x681 -x682 -x683 -x684 -x685 -x686 -x687 -x688 -x689 -x690 -x691 -x692 -x693
2.98/3.02	v -x694 -x695 -x696 -x697 -x698 -x699 -x700 -x701 -x702 -x703 -x704 -x705 -x706 -x707 -x708 -x709 -x710 -x711 -x712 -x713 -x714
2.98/3.02	v -x715 -x716 -x717 -x718 -x719 -x720 -x721 -x722 -x723 -x724 -x725 -x726 -x727 -x728 -x729 -x730 -x731 -x732 -x733 -x734 -x735
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2.98/3.02	v -x757 -x758 -x759 -x760 -x761 -x762 x763 -x764 -x765 -x766 -x767 -x768 -x769 -x770 -x771 -x772 -x773 -x774 -x775 -x776 -x777
2.98/3.02	v -x778 -x779 -x780 -x781 -x782 -x783 -x784 -x785 -x786 -x787 -x788 -x789 -x790 -x791 -x792 -x793 -x794 -x795 -x796 -x797 -x798
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2.98/3.02	v -x820 -x821 -x822 -x823 -x824 -x825 -x826 -x827 -x828 -x829 -x830 -x831 -x832 -x833 -x834 -x835 -x836 -x837 -x838 -x839 -x840
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2.98/3.02	v -x925 -x926 -x927 -x928 -x929 -x930 -x931 -x932 -x933 -x934 -x935 -x936 -x937 -x938 -x939 -x940 -x941 -x942 -x943 -x944 -x945
2.98/3.02	v -x946 -x947 -x948 -x949 -x950 -x951 -x952 x953 -x954 -x955 -x956 -x957 -x958 -x959 -x960 -x961 -x962 -x963 -x964 -x965 -x966
2.98/3.02	v -x967 -x968 -x969 -x970 -x971 -x972 -x973 -x974 -x975 -x976 -x977 -x978 -x979 -x980 -x981 -x982 -x983 -x984 -x985 -x986 -x987
2.98/3.02	v -x988 -x989 -x990 -x991 -x992 -x993 -x994 -x995 -x996 -x997 -x998 -x999 -x1000 -x1001 -x1002 -x1003 -x1004 -x1005 -x1006
2.98/3.02	v -x1007 -x1008 -x1009 -x1010 -x1011 -x1012 -x1013 -x1014 -x1015 -x1016 -x1017 -x1018 -x1019 -x1020 -x1021 -x1022 -x1023
2.98/3.02	v -x1024 -x1025 -x1026 -x1027 -x1028 -x1029 -x1030 -x1031 -x1032 x1033 -x1034 -x1035 -x1036 -x1037 -x1038 -x1039 -x1040
2.98/3.02	v -x1041 -x1042 -x1043 -x1044 -x1045 -x1046 -x1047 -x1048 -x1049 -x1050 -x1051 -x1052 x1053 -x1054 -x1055 -x1056 -x1057
2.98/3.02	v -x1058 -x1059 -x1060 -x1061 -x1062 -x1063 -x1064 -x1065 -x1066 -x1067 -x1068 -x1069 -x1070 -x1071 -x1072 -x1073 -x1074
2.98/3.02	v -x1075 -x1076 -x1077 -x1078 -x1079 -x1080 -x1081 -x1082 -x1083 -x1084 -x1085 -x1086

Verifier Data (download as text)

OK	2967

Conversion Script Data (download as text)

/tmp/evaluation/363502-1177028743/instance-363502-1177028743.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node6/watcher-363502-1177028743 -o ROOT/results/node6/solver-363502-1177028743 -C 1800 -W 3600 -M 1800 --output-limit 1,15 glpPBv3 /tmp/evaluation/363502-1177028743/instance-363502-1177028743.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 3600 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.79 0.94 0.97 3/77 10118
/proc/meminfo: memFree=1804208/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=2644 CPUtime=0
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 258 0 0 0 0 0 0 0 18 0 1 0 178912028 2707456 228 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 2356031 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 661 228 192 40 0 76 0

[startup+0.051818 s]
/proc/loadavg: 0.79 0.94 0.97 3/77 10118
/proc/meminfo: memFree=1804208/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=3192 CPUtime=0.04
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 434 0 0 0 4 0 0 0 18 0 1 0 178912028 3268608 403 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 798 403 221 40 0 213 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3192

[startup+0.101823 s]
/proc/loadavg: 0.79 0.94 0.97 3/77 10118
/proc/meminfo: memFree=1804208/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=3596 CPUtime=0.09
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 540 0 0 0 9 0 0 0 18 0 1 0 178912028 3682304 509 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 134632685 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 899 509 227 40 0 314 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3596

[startup+0.301847 s]
/proc/loadavg: 0.79 0.94 0.97 3/77 10118
/proc/meminfo: memFree=1804208/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=3596 CPUtime=0.29
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 552 0 0 0 29 0 0 0 19 0 1 0 178912028 3682304 521 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 134542131 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 899 521 227 40 0 314 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3596

[startup+0.701893 s]
/proc/loadavg: 0.79 0.94 0.97 3/77 10118
/proc/meminfo: memFree=1804208/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=3712 CPUtime=0.69
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 562 0 0 0 69 0 0 0 23 0 1 0 178912028 3801088 531 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 928 531 227 40 0 343 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3712

[startup+1.50199 s]
/proc/loadavg: 0.79 0.94 0.97 2/78 10119
/proc/meminfo: memFree=1802920/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=3844 CPUtime=1.49
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 778 0 0 0 149 0 0 0 25 0 1 0 178912028 3936256 562 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 961 562 227 40 0 376 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3844

Solver just ended. Dumping a history of the last processes samples

[startup+2.30108 s]
/proc/loadavg: 0.79 0.94 0.97 2/78 10119
/proc/meminfo: memFree=1802664/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=3824 CPUtime=2.29
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 1954 0 0 0 228 1 0 0 25 0 1 0 178912028 3915776 581 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 134633013 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 956 581 227 40 0 371 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 3824

[startup+2.70113 s]
/proc/loadavg: 0.79 0.94 0.97 2/78 10119
/proc/meminfo: memFree=1802664/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=4064 CPUtime=2.68
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 2675 0 0 0 267 1 0 0 25 0 1 0 178912028 4161536 621 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 1016 621 227 40 0 431 0
Current children cumulated CPU time (s) 2.68
Current children cumulated vsize (KiB) 4064

[startup+2.90115 s]
/proc/loadavg: 0.79 0.94 0.97 2/78 10119
/proc/meminfo: memFree=1802664/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=3964 CPUtime=2.88
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 3001 0 0 0 287 1 0 0 25 0 1 0 178912028 4059136 616 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 134541780 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 991 616 227 40 0 406 0
Current children cumulated CPU time (s) 2.88
Current children cumulated vsize (KiB) 3964

[startup+3.00116 s]
/proc/loadavg: 0.79 0.94 0.97 2/78 10119
/proc/meminfo: memFree=1802664/2055924 swapFree=4146720/4192956
[pid=10118] ppid=10116 vsize=4112 CPUtime=2.98
/proc/10118/stat : 10118 (glpPBv3) R 10116 10118 10044 0 -1 0 3269 0 0 0 297 1 0 0 25 0 1 0 178912028 4210688 632 18446744073709551615 134512640 134678228 4294956704 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10118/statm: 1028 632 227 40 0 443 0
Current children cumulated CPU time (s) 2.98
Current children cumulated vsize (KiB) 4112

Child status: 30
Real time (s): 3.03138
CPU time (s): 3.02654
CPU user time (s): 3.00654
CPU system time (s): 0.019996
CPU usage (%): 99.8404
Max. virtual memory (cumulated for all children) (KiB): 4112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.00654
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3431
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 15
involuntary context switches= 1

runsolver used 0.000999 second user time and 0.014997 second system time

The end

Launcher Data (download as text)

Begin job on node6 on Fri Apr 20 00:25:44 UTC 2007

IDJOB= 363502
IDBENCH= 1856
IDSOLVER= 166
FILE ID= node6/363502-1177028743

PBS_JOBID= 4630648

Free space on /tmp= 66417 MiB

SOLVER NAME= glpPB 0.2
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/mps-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-lp4l.opb
COMMAND LINE= glpPBv3 /tmp/evaluation/363502-1177028743/instance-363502-1177028743.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node6/convwatcher-363502-1177028743 -o ROOT/results/node6/conversion-363502-1177028743 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/363502-1177028743/instance-363502-1177028743.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node6/watcher-363502-1177028743 -o ROOT/results/node6/solver-363502-1177028743 -C 1800 -W 3600 -M 1800 --output-limit 1,15  glpPBv3 /tmp/evaluation/363502-1177028743/instance-363502-1177028743.opb

META MD5SUM SOLVER= 9ebec3e8d890fdeefad01654ad9b68b7
MD5SUM BENCH=  8d2c17131f0dd6c2b5d472cf1eef4c89

RANDOM SEED= 335307788

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node6.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.232
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.232
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055924 kB
MemFree:       1804680 kB
Buffers:         33328 kB
Cached:         154236 kB
SwapCached:      13376 kB
Active:         100156 kB
Inactive:       109824 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1804680 kB
SwapTotal:     4192956 kB
SwapFree:      4146720 kB
Dirty:            2480 kB
Writeback:           0 kB
Mapped:          29664 kB
Slab:            26856 kB
Committed_AS:  6981360 kB
PageTables:       1784 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66417 MiB

End job on node6 on Fri Apr 20 00:25:47 UTC 2007