Trace number 2681932

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) 30.8323 30.9944

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-dfl001.opb
MD5SUM82090c0a4adcfdd30e3ab97004b5e93d
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
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables366703
Total number of constraints6084
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 constraints6084
Minimum length of a constraint13
Maximum length of a constraint6840
Number of terms in the objective function 187033
Biggest coefficient in the objective function 2150851580428025856
Number of bits for the biggest coefficient in the objective function 61
Sum of the numbers in the objective function 882752655849462510276
Number of bits of the sum of numbers in the objective function 70
Biggest number in a constraint 53687091200000000000
Number of bits of the biggest number in a constraint 66
Biggest sum of numbers in a constraint 4277072243466308763648
Number of bits of the biggest sum of numbers72
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
4.09/4.20	c constraints 6084/0 clauses 0/0 units 0
4.09/4.20	c vars 366703
4.19/4.20	c objective 187033 + 0
30.65/30.81	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-2681932-1277486445/watcher-2681932-1277486445 -o /tmp/evaluation-result-2681932-1277486445/solver-2681932-1277486445 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681932-1277486445.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: 1.00 1.00 0.93 3/106 28835
/proc/meminfo: memFree=1792340/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=2416 CPUtime=0
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 291 0 0 0 0 0 0 0 20 0 1 0 89939679 2473984 211 1992294400 134512640 136421960 4287481056 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28835/statm: 604 211 138 467 0 135 0

[startup+0.106084 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 28835
/proc/meminfo: memFree=1792340/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=5864 CPUtime=0.09
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 1281 0 0 0 9 0 0 0 20 0 1 0 89939679 6004736 828 1992294400 134512640 136421960 4287481056 18446744073709551615 135825998 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28835/statm: 1466 828 138 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.201094 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 28835
/proc/meminfo: memFree=1792340/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=8724 CPUtime=0.19
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 2080 0 0 0 19 0 0 0 20 0 1 0 89939679 8933376 1627 1992294400 134512640 136421960 4287481056 18446744073709551615 135806150 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28835/statm: 2181 1627 138 467 0 1712 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8724

[startup+0.301104 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 28835
/proc/meminfo: memFree=1792340/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=9492 CPUtime=0.29
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 2668 0 0 0 28 1 0 0 20 0 1 0 89939679 9719808 1765 1992294400 134512640 136421960 4287481056 18446744073709551615 135380588 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28835/statm: 2373 1765 138 467 0 1904 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9492

[startup+0.701158 s]
/proc/loadavg: 1.00 1.00 0.93 3/106 28835
/proc/meminfo: memFree=1792340/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=16492 CPUtime=0.69
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 5082 0 0 0 67 2 0 0 20 0 1 0 89939679 16887808 3152 1992294400 134512640 136421960 4287481056 18446744073709551615 135160331 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28835/statm: 4123 3152 140 467 0 3654 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16492

[startup+1.50124 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 28836
/proc/meminfo: memFree=1772492/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=32980 CPUtime=1.49
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 9138 0 0 0 144 5 0 0 22 0 1 0 89939679 33771520 7208 1992294400 134512640 136421960 4287481056 18446744073709551615 135153541 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28835/statm: 8245 7208 146 467 0 7776 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 32980

[startup+3.10141 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 28836
/proc/meminfo: memFree=1746700/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=71356 CPUtime=3.09
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 18624 0 0 0 300 9 0 0 25 0 1 0 89939679 73068544 16694 1992294400 134512640 136421960 4287481056 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28835/statm: 17839 16694 146 467 0 17370 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 71356

[startup+6.30176 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 28838
/proc/meminfo: memFree=1595048/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=263756 CPUtime=6.29
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 67874 0 0 0 599 30 0 0 25 0 1 0 89939679 270086144 63823 1992294400 134512640 136421960 4287481056 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28835/statm: 65939 63824 195 467 0 65470 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 263756

[startup+12.7015 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 28838
/proc/meminfo: memFree=1119888/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=729904 CPUtime=12.68
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 190850 0 0 0 1189 79 0 0 25 0 1 0 89939679 747421696 177517 1992294400 134512640 136421960 4287481056 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28835/statm: 182476 177518 195 467 0 182007 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 729904

[startup+25.5019 s]
/proc/loadavg: 1.00 1.00 0.93 2/107 28838
/proc/meminfo: memFree=255732/2059040 swapFree=4140228/4192956
[pid=28835] ppid=28833 vsize=1569208 CPUtime=25.48
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 413954 0 0 0 2370 178 0 0 25 0 1 0 89939679 1606868992 386799 1992294400 134512640 136421960 4287481056 18446744073709551615 135301320 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28835/statm: 392302 386800 195 467 0 391833 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1569208



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+30.8008 s]
/proc/loadavg: 1.16 1.03 0.94 2/107 28838
/proc/meminfo: memFree=10008/2059040 swapFree=4139292/4192956
[pid=28835] ppid=28833 vsize=1847752 CPUtime=30.65
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4202496 490291 0 0 0 2849 216 0 0 25 0 1 0 89939679 1892098048 460063 1992294400 134512640 136421960 4287481056 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 0 0 0 14
/proc/28835/statm: 461938 460064 195 467 0 461469 0
Current children cumulated CPU time (s) 30.65
Current children cumulated vsize (KiB) 1847752

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

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

[startup+30.9178 s]
/proc/loadavg: 1.16 1.03 0.94 2/107 28838
/proc/meminfo: memFree=10008/2059040 swapFree=4139292/4192956
[pid=28835] ppid=28833 vsize=0 CPUtime=30.75
/proc/28835/stat : 28835 (pbct) R 28833 28835 28318 0 -1 4194308 490301 0 0 0 2849 226 0 0 25 0 1 0 89939679 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 14
/proc/28835/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 30.75
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 30.9944
CPU time (s): 30.8323
CPU user time (s): 28.4957
CPU system time (s): 2.33664
CPU usage (%): 99.4772
Max. virtual memory (cumulated for all children) (KiB): 1847752

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 28.4957
system time used= 2.33664
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 490301
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= 4
involuntary context switches= 46

runsolver used 0.053991 second user time and 0.167974 second system time

The end

Launcher Data

Begin job on node035 at 2010-06-25 19:20:47
IDJOB=2681932
IDBENCH=2388
IDSOLVER=1192
FILE ID=node035/2681932-1277486445
PBS_JOBID= 11190509
Free space on /tmp= 62416 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-dfl001.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681932-1277486445/watcher-2681932-1277486445 -o /tmp/evaluation-result-2681932-1277486445/solver-2681932-1277486445 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681932-1277486445.opb

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

MD5SUM BENCH= 82090c0a4adcfdd30e3ab97004b5e93d
RANDOM SEED=243738644

node035.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		: 3000.219
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	: 6000.43
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		: 3000.219
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1792744 kB
Buffers:         50092 kB
Cached:         117060 kB
SwapCached:       5664 kB
Active:          84032 kB
Inactive:        96464 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1792744 kB
SwapTotal:     4192956 kB
SwapFree:      4140228 kB
Dirty:           21120 kB
Writeback:           0 kB
AnonPages:       11968 kB
Mapped:          12012 kB
Slab:            63752 kB
PageTables:       4164 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182468 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= 62416 MiB
End job on node035 at 2010-06-25 19:21:20