Trace number 2682151

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
PB/CT 0.1 fixed? (MO) 31.1663 31.1754

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-fit2p.opb
MD5SUM61513bc338a8ab1ef0a0cedf59bc2ac8
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmark
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 223035388
Optimality of the best value was proved NO
Number of variables293602
Total number of constraints10500
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints10500
Minimum length of a constraint13
Maximum length of a constraint612
Number of terms in the objective function 246163
Biggest coefficient in the objective function 10737418240
Number of bits for the biggest coefficient in the objective function 34
Sum of the numbers in the objective function 43487073153772
Number of bits of the sum of numbers in the objective function 46
Biggest number in a constraint 31729070899200
Number of bits of the biggest number in a constraint 45
Biggest sum of numbers in a constraint 103505525327531
Number of bits of the biggest sum of numbers47
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
5.69/5.76	c constraints 10500/0 clauses 0/0 units 0
5.69/5.76	c vars 293602
5.69/5.76	c objective 246163 + 0
30.99/31.00	s UNKNOWN

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682151-1277486453/watcher-2682151-1277486453 -o /tmp/evaluation-result-2682151-1277486453/solver-2682151-1277486453 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682151-1277486453.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 0.98 0.91 3/105 29941
/proc/meminfo: memFree=1837848/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=2416 CPUtime=0
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 298 0 0 0 0 0 0 0 24 0 1 0 89939218 2473984 218 1992294400 134512640 136421960 4294173184 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29941/statm: 604 219 138 467 0 135 0

[startup+0.0857859 s]
/proc/loadavg: 0.92 0.98 0.91 3/105 29941
/proc/meminfo: memFree=1837848/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=5864 CPUtime=0.08
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 1307 0 0 0 8 0 0 0 24 0 1 0 89939218 6004736 854 1992294400 134512640 136421960 4294173184 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29941/statm: 1466 854 138 467 0 997 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5864

[startup+0.100787 s]
/proc/loadavg: 0.92 0.98 0.91 3/105 29941
/proc/meminfo: memFree=1837848/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=5864 CPUtime=0.09
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 1370 0 0 0 9 0 0 0 24 0 1 0 89939218 6004736 917 1992294400 134512640 136421960 4294173184 18446744073709551615 135372660 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29941/statm: 1466 917 138 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.30081 s]
/proc/loadavg: 0.92 0.98 0.91 3/105 29941
/proc/meminfo: memFree=1837848/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=13932 CPUtime=0.29
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 4004 0 0 0 28 1 0 0 25 0 1 0 89939218 14266368 2716 1992294400 134512640 136421960 4294173184 18446744073709551615 135801284 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29941/statm: 3483 2716 138 467 0 3014 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13932

[startup+0.700854 s]
/proc/loadavg: 0.92 0.98 0.91 3/105 29941
/proc/meminfo: memFree=1837848/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=17944 CPUtime=0.69
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 5935 0 0 0 67 2 0 0 25 0 1 0 89939218 18374656 4005 1992294400 134512640 136421960 4294173184 18446744073709551615 135159026 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29941/statm: 4486 4005 140 467 0 4017 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17944

[startup+1.50094 s]
/proc/loadavg: 0.92 0.98 0.91 2/106 29942
/proc/meminfo: memFree=1818992/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=32536 CPUtime=1.49
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 9536 0 0 0 145 4 0 0 25 0 1 0 89939218 33316864 7606 1992294400 134512640 136421960 4294173184 18446744073709551615 135650180 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29941/statm: 8134 7606 146 467 0 7665 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 32536

[startup+3.10112 s]
/proc/loadavg: 1.01 1.00 0.92 2/106 29942
/proc/meminfo: memFree=1792952/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=71176 CPUtime=3.09
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 18738 0 0 0 301 8 0 0 25 0 1 0 89939218 72884224 16808 1992294400 134512640 136421960 4294173184 18446744073709551615 134541220 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29941/statm: 17794 16808 146 467 0 17325 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 71176

[startup+6.30147 s]
/proc/loadavg: 1.01 1.00 0.92 2/106 29942
/proc/meminfo: memFree=1718180/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=187276 CPUtime=6.29
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 46914 0 0 0 609 20 0 0 25 0 1 0 89939218 191770624 44984 1992294400 134512640 136421960 4294173184 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29941/statm: 46819 44985 194 467 0 46350 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 187276

[startup+12.7012 s]
/proc/loadavg: 1.01 1.00 0.92 2/106 29942
/proc/meminfo: memFree=1145672/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=769184 CPUtime=12.69
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 199529 0 0 0 1178 91 0 0 25 0 1 0 89939218 787644416 186444 1992294400 134512640 136421960 4294173184 18446744073709551615 135527016 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29941/statm: 192296 186445 195 467 0 191827 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 769184

[startup+25.5006 s]
/proc/loadavg: 1.07 1.02 0.93 2/106 29944
/proc/meminfo: memFree=370424/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=1481072 CPUtime=25.48
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 394242 0 0 0 2378 170 0 0 25 0 1 0 89939218 1516617728 364516 1992294400 134512640 136421960 4294173184 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29941/statm: 370268 364516 195 467 0 369799 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1481072



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+31.0012 s]
/proc/loadavg: 1.07 1.02 0.93 2/106 29944
/proc/meminfo: memFree=60672/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=1844380 CPUtime=30.99
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4202496 489788 0 0 0 2888 211 0 0 25 0 1 0 89939218 1888645120 443680 1992294400 134512640 136421960 4294173184 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29941/statm: 461095 443681 195 467 0 460626 0
Current children cumulated CPU time (s) 30.99
Current children cumulated vsize (KiB) 1844380

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+31.1092 s]
/proc/loadavg: 1.07 1.02 0.93 2/106 29944
/proc/meminfo: memFree=60672/2059040 swapFree=4135840/4192956
[pid=29941] ppid=29939 vsize=0 CPUtime=31.09
/proc/29941/stat : 29941 (pbct) R 29939 29941 29150 0 -1 4194308 489796 0 0 0 2888 221 0 0 25 0 1 0 89939218 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/29941/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 31.09
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 31.1754
CPU time (s): 31.1663
CPU user time (s): 28.8866
CPU system time (s): 2.27965
CPU usage (%): 99.9705
Max. virtual memory (cumulated for all children) (KiB): 1844380

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 28.8866
system time used= 2.27965
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 489796
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= 1
involuntary context switches= 99

runsolver used 0.051992 second user time and 0.162975 second system time

The end

Launcher Data 

Begin job on node086 at 2010-06-25 19:20:55
IDJOB=2682151
IDBENCH=2389
IDSOLVER=1192
FILE ID=node086/2682151-1277486453
PBS_JOBID= 11190482
Free space on /tmp= 62316 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-fit2p.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682151-1277486453/watcher-2682151-1277486453 -o /tmp/evaluation-result-2682151-1277486453/solver-2682151-1277486453 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682151-1277486453.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 61513bc338a8ab1ef0a0cedf59bc2ac8
RANDOM SEED=1651970104

node086.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.244
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.48
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		: 3000.244
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5999.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1838376 kB
Buffers:          9476 kB
Cached:         123956 kB
SwapCached:       9880 kB
Active:          94184 kB
Inactive:        52116 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1838376 kB
SwapTotal:     4192956 kB
SwapFree:      4135840 kB
Dirty:           26884 kB
Writeback:           0 kB
AnonPages:       11356 kB
Mapped:           8348 kB
Slab:            52448 kB
PageTables:       4092 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182104 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62316 MiB
End job on node086 at 2010-06-25 19:21:28