Trace number 2668546

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? (MO) 56.5714 58.7985

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/fctp/normalized-mps-v2-20-10-n3701.opb
MD5SUM4d43a5c709d5b7af17653becda068043
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 4741692460
Optimality of the best value was proved NO
Number of variables155000
Total number of constraints5150
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 constraints5150
Minimum length of a constraint31
Maximum length of a constraint3000
Number of terms in the objective function 155000
Biggest coefficient in the objective function 4294967296
Number of bits for the biggest coefficient in the objective function 33
Sum of the numbers in the objective function 29697461525571
Number of bits of the sum of numbers in the objective function 45
Biggest number in a constraint 4294967296
Number of bits of the biggest number in a constraint 33
Biggest sum of numbers in a constraint 29697461525571
Number of bits of the biggest sum of numbers45
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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
2.78/2.80	c constraints 5150/0 clauses 0/0 units 59024
2.78/2.80	c vars 155000
31.48/31.58	c objective 123362 + 0

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-2668546-1276519856/watcher-2668546-1276519856 -o /tmp/evaluation-result-2668546-1276519856/solver-2668546-1276519856 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668546-1276519856.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: 1.04 1.01 1.00 3/106 28977
/proc/meminfo: memFree=1695696/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=2488 CPUtime=0
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 305 0 0 0 0 0 0 0 18 0 1 0 27589490 2547712 228 1992294400 134512640 136485738 4293342320 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 622 228 151 482 0 138 0

[startup+0.0527211 s]
/proc/loadavg: 1.04 1.01 1.00 3/106 28977
/proc/meminfo: memFree=1695696/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=4080 CPUtime=0.04
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 750 0 0 0 4 0 0 0 20 0 1 0 27589490 4177920 526 1992294400 134512640 136485738 4293342320 18446744073709551615 135411205 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 1020 526 151 482 0 536 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4080

[startup+0.101727 s]
/proc/loadavg: 1.04 1.01 1.00 3/106 28977
/proc/meminfo: memFree=1695696/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=5936 CPUtime=0.09
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 1325 0 0 0 9 0 0 0 20 0 1 0 27589490 6078464 875 1992294400 134512640 136485738 4293342320 18446744073709551615 134531213 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 1484 875 151 482 0 1000 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5936

[startup+0.301744 s]
/proc/loadavg: 1.04 1.01 1.00 3/106 28977
/proc/meminfo: memFree=1695696/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=9960 CPUtime=0.3
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 2927 0 0 0 29 1 0 0 20 0 1 0 27589490 10199040 2027 1992294400 134512640 136485738 4293342320 18446744073709551615 135857011 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 2490 2027 151 482 0 2006 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 9960

[startup+0.700784 s]
/proc/loadavg: 1.04 1.01 1.00 3/106 28977
/proc/meminfo: memFree=1695696/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=16564 CPUtime=0.69
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 4849 0 0 0 68 1 0 0 21 0 1 0 27589490 16961536 2922 1992294400 134512640 136485738 4293342320 18446744073709551615 135418960 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 4141 2922 155 482 0 3657 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16564

[startup+1.50086 s]
/proc/loadavg: 1.04 1.01 1.00 2/107 28978
/proc/meminfo: memFree=1678948/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=33968 CPUtime=1.49
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 8854 0 0 0 146 3 0 0 23 0 1 0 27589490 34783232 6927 1992294400 134512640 136485738 4293342320 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 8492 6930 155 482 0 8008 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 33968

[startup+3.10101 s]
/proc/loadavg: 1.04 1.01 1.00 2/107 28978
/proc/meminfo: memFree=1655140/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=49532 CPUtime=3.08
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 12674 0 0 0 302 6 0 0 25 0 1 0 27589490 50720768 10747 1992294400 134512640 136485738 4293342320 18446744073709551615 135180333 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 12383 10747 160 482 0 11899 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 49532

[startup+6.30132 s]
/proc/loadavg: 1.04 1.01 1.00 2/107 28978
/proc/meminfo: memFree=1652536/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=49532 CPUtime=6.28
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 12674 0 0 0 622 6 0 0 25 0 1 0 27589490 50720768 10747 1992294400 134512640 136485738 4293342320 18446744073709551615 135180324 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 12383 10747 160 482 0 11899 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 49532

[startup+12.7009 s]
/proc/loadavg: 1.04 1.01 1.00 2/107 28978
/proc/meminfo: memFree=1652536/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=49532 CPUtime=12.68
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 12674 0 0 0 1262 6 0 0 25 0 1 0 27589490 50720768 10747 1992294400 134512640 136485738 4293342320 18446744073709551615 135180333 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 12383 10747 160 482 0 11899 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 49532

[startup+25.5011 s]
/proc/loadavg: 1.03 1.01 1.00 2/107 28978
/proc/meminfo: memFree=1652536/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=49532 CPUtime=25.48
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 12674 0 0 0 2542 6 0 0 25 0 1 0 27589490 50720768 10747 1992294400 134512640 136485738 4293342320 18446744073709551615 135180333 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28977/statm: 12383 10747 160 482 0 11899 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 49532

[startup+51.1016 s]
/proc/loadavg: 1.02 1.01 1.00 2/107 28978
/proc/meminfo: memFree=442048/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=1329532 CPUtime=51.07
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 351767 0 0 0 4958 149 0 0 25 0 1 0 27589490 1361440768 325885 1992294400 134512640 136485738 4293342320 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28977/statm: 332383 325886 197 482 0 331899 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 1329532



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+56.6006 s]
/proc/loadavg: 1.02 1.01 1.00 4/107 28978
/proc/meminfo: memFree=9872/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=1847532 CPUtime=56.37
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4202496 489564 0 0 0 5423 214 0 0 25 0 1 0 27589490 1891872768 459839 1992294400 134512640 136485738 4293342320 18446744073709551615 135850714 0 0 4096 16387 0 0 0 17 0 0 0 19
/proc/28977/statm: 461883 459843 199 482 0 461399 0
Current children cumulated CPU time (s) 56.37
Current children cumulated vsize (KiB) 1847532

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

Sending SIGKILL to process tree (bottom up)

Sending SIGKILL to -28977

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

[startup+57.5005 s]
/proc/loadavg: 1.02 1.01 1.00 1/108 28979
/proc/meminfo: memFree=10656/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=1847532 CPUtime=56.37
/proc/28977/stat : 28977 (pbct) S 28975 28977 28862 0 -1 4194304 489575 0 0 0 5423 214 0 0 25 0 1 0 27589490 1891872768 459850 1992294400 134512640 136485738 4293342320 18446744073709551615 135319262 0 16384 4096 16387 18446604437857593472 0 0 17 1 0 0 19
/proc/28977/statm: 461883 459850 199 482 0 461399 0
Current children cumulated CPU time (s) 56.37
Current children cumulated vsize (KiB) 1847532

[startup+58.3005 s]
/proc/loadavg: 1.02 1.01 1.00 1/108 28979
/proc/meminfo: memFree=10656/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=1847532 CPUtime=56.37
/proc/28977/stat : 28977 (pbct) S 28975 28977 28862 0 -1 4194304 489575 0 0 0 5423 214 0 0 25 0 1 0 27589490 1891872768 459850 1992294400 134512640 136485738 4293342320 18446744073709551615 135319262 0 16384 4096 16387 18446604437857593472 0 0 17 1 0 0 19
/proc/28977/statm: 461883 459850 199 482 0 461399 0
Current children cumulated CPU time (s) 56.37
Current children cumulated vsize (KiB) 1847532

[startup+58.7015 s]
/proc/loadavg: 1.02 1.01 1.00 1/108 28979
/proc/meminfo: memFree=10656/2059040 swapFree=4140388/4192956
[pid=28977] ppid=28975 vsize=0 CPUtime=56.46
/proc/28977/stat : 28977 (pbct) R 28975 28977 28862 0 -1 4195332 489575 0 0 0 5423 223 0 0 18 0 1 0 27589490 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 19
/proc/28977/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 56.46
Current children cumulated vsize (KiB) 0

Child ended because it received signal 9 (SIGKILL)
Real time (s): 58.7985
CPU time (s): 56.5714
CPU user time (s): 54.2348
CPU system time (s): 2.33664
CPU usage (%): 96.2123
Max. virtual memory (cumulated for all children) (KiB): 1847532

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.2348
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= 489575
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= 834

runsolver used 0.092985 second user time and 0.305953 second system time

The end

Launcher Data 

Begin job on node004 at 2010-06-14 14:50:56
IDJOB=2668546
IDBENCH=2289
IDSOLVER=1170
FILE ID=node004/2668546-1276519856
PBS_JOBID= 11173439
Free space on /tmp= 62540 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/pub/fctp/normalized-mps-v2-20-10-n3701.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668546-1276519856/watcher-2668546-1276519856 -o /tmp/evaluation-result-2668546-1276519856/solver-2668546-1276519856 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668546-1276519856.opb

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

MD5SUM BENCH= 4d43a5c709d5b7af17653becda068043
RANDOM SEED=1423611461

node004.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		: 3000.210
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	: 6000.42
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		: 3000.210
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1696224 kB
Buffers:        124440 kB
Cached:         155004 kB
SwapCached:       6684 kB
Active:         113808 kB
Inactive:       179372 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1696224 kB
SwapTotal:     4192956 kB
SwapFree:      4140388 kB
Dirty:           10572 kB
Writeback:           0 kB
AnonPages:       11520 kB
Mapped:          12992 kB
Slab:            47928 kB
PageTables:       3948 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180776 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= 62540 MiB
End job on node004 at 2010-06-14 14:51:55