Trace number 2668696

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) 57.1673 59.3987

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/fctp/normalized-mps-v2-20-10-n370b.opb
MD5SUM1f80e288849d4e939571e6eefbd84b3a
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 4779438072
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 29694485111877
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 29694485111877
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
2.79/2.85	c constraints 5150/0 clauses 0/0 units 60676
2.79/2.85	c vars 155000
32.39/32.41	c objective 122676 + 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-2668696-1276523793/watcher-2668696-1276523793 -o /tmp/evaluation-result-2668696-1276523793/solver-2668696-1276523793 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668696-1276523793.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 1.00 3/106 30726
/proc/meminfo: memFree=1752396/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=2488 CPUtime=0
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 306 0 0 0 0 0 0 0 20 0 1 0 27983025 2547712 228 1992294400 134512640 136485738 4291559168 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 622 228 151 482 0 138 0

[startup+0.0311919 s]
/proc/loadavg: 0.92 0.98 1.00 3/106 30726
/proc/meminfo: memFree=1752396/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=3076 CPUtime=0.03
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 486 0 0 0 3 0 0 0 22 0 1 0 27983025 3149824 375 1992294400 134512640 136485738 4291559168 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 769 375 151 482 0 285 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3076

[startup+0.1012 s]
/proc/loadavg: 0.92 0.98 1.00 3/106 30726
/proc/meminfo: memFree=1752396/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=5936 CPUtime=0.09
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 1327 0 0 0 9 0 0 0 22 0 1 0 27983025 6078464 876 1992294400 134512640 136485738 4291559168 18446744073709551615 134531024 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 1484 876 151 482 0 1000 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5936

[startup+0.301223 s]
/proc/loadavg: 0.92 0.98 1.00 3/106 30726
/proc/meminfo: memFree=1752396/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=9960 CPUtime=0.29
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 2948 0 0 0 28 1 0 0 22 0 1 0 27983025 10199040 2047 1992294400 134512640 136485738 4291559168 18446744073709551615 135848213 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 2490 2047 151 482 0 2006 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9960

[startup+0.701269 s]
/proc/loadavg: 0.92 0.98 1.00 3/106 30726
/proc/meminfo: memFree=1752396/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=16564 CPUtime=0.7
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 4849 0 0 0 68 2 0 0 23 0 1 0 27983025 16961536 2921 1992294400 134512640 136485738 4291559168 18446744073709551615 134524680 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 4141 2921 155 482 0 3657 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 16564

[startup+1.50136 s]
/proc/loadavg: 0.92 0.98 1.00 2/107 30727
/proc/meminfo: memFree=1735524/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=33836 CPUtime=1.49
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 8833 0 0 0 145 4 0 0 25 0 1 0 27983025 34648064 6905 1992294400 134512640 136485738 4291559168 18446744073709551615 135177425 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 8492 6907 155 482 0 8008 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 33836

[startup+3.10155 s]
/proc/loadavg: 0.92 0.98 1.00 2/107 30727
/proc/meminfo: memFree=1712088/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=49552 CPUtime=3.09
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 12680 0 0 0 302 7 0 0 25 0 1 0 27983025 50741248 10752 1992294400 134512640 136485738 4291559168 18446744073709551615 135180273 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 12388 10752 160 482 0 11904 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 49552

[startup+6.30192 s]
/proc/loadavg: 0.93 0.98 1.00 2/107 30727
/proc/meminfo: memFree=1709236/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=49552 CPUtime=6.29
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 12680 0 0 0 622 7 0 0 25 0 1 0 27983025 50741248 10752 1992294400 134512640 136485738 4291559168 18446744073709551615 135180333 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 12388 10752 160 482 0 11904 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 49552

[startup+12.7017 s]
/proc/loadavg: 0.93 0.98 1.00 2/107 30727
/proc/meminfo: memFree=1709236/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=49552 CPUtime=12.69
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 12680 0 0 0 1262 7 0 0 25 0 1 0 27983025 50741248 10752 1992294400 134512640 136485738 4291559168 18446744073709551615 135180333 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 12388 10752 160 482 0 11904 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 49552

[startup+25.5011 s]
/proc/loadavg: 0.95 0.98 1.00 2/107 30727
/proc/meminfo: memFree=1709236/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=49552 CPUtime=25.49
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 12680 0 0 0 2542 7 0 0 25 0 1 0 27983025 50741248 10752 1992294400 134512640 136485738 4291559168 18446744073709551615 135180296 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30726/statm: 12388 10752 160 482 0 11904 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 49552

[startup+51.1011 s]
/proc/loadavg: 0.96 0.98 1.00 2/107 30729
/proc/meminfo: memFree=569304/2059040 swapFree=4140108/4192956
[pid=30726] ppid=30724 vsize=1262124 CPUtime=51.08
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 334061 0 0 0 4953 155 0 0 25 0 1 0 27983025 1292414976 308178 1992294400 134512640 136485738 4291559168 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30726/statm: 315531 308179 197 482 0 315047 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 1262124



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+57.2019 s]
/proc/loadavg: 0.97 0.98 1.00 5/107 30729
/proc/meminfo: memFree=9548/2059040 swapFree=4140012/4192956
[pid=30726] ppid=30724 vsize=1847464 CPUtime=56.98
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4202496 489471 0 0 0 5467 231 0 0 18 0 1 0 27983025 1891803136 459745 1992294400 134512640 136485738 4291559168 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 0 0 0 20
/proc/30726/statm: 461866 459749 199 482 0 461382 0
Current children cumulated CPU time (s) 56.98
Current children cumulated vsize (KiB) 1847464

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

Sending SIGKILL to process tree (bottom up)

Sending SIGKILL to -30726

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

[startup+57.5019 s]
/proc/loadavg: 0.97 0.98 1.00 5/107 30729
/proc/meminfo: memFree=9548/2059040 swapFree=4140012/4192956
[pid=30726] ppid=30724 vsize=1847596 CPUtime=56.98
/proc/30726/stat : 30726 (pbct) S 30724 30726 30440 0 -1 4194304 489502 0 0 0 5467 231 0 0 18 0 1 0 27983025 1891938304 459776 1992294400 134512640 136485738 4291559168 18446744073709551615 135319262 0 16384 4096 16387 18446604437825808512 0 0 17 0 0 0 20
/proc/30726/statm: 461899 459776 199 482 0 461415 0
Current children cumulated CPU time (s) 56.98
Current children cumulated vsize (KiB) 1847596

[startup+58.3009 s]
/proc/loadavg: 0.97 0.98 1.00 1/108 30730
/proc/meminfo: memFree=10224/2059040 swapFree=4140012/4192956
[pid=30726] ppid=30724 vsize=1847596 CPUtime=56.98
/proc/30726/stat : 30726 (pbct) S 30724 30726 30440 0 -1 4194304 489502 0 0 0 5467 231 0 0 18 0 1 0 27983025 1891938304 459776 1992294400 134512640 136485738 4291559168 18446744073709551615 135319262 0 16384 4096 16387 18446604437825808512 0 0 17 0 0 0 20
/proc/30726/statm: 461899 459776 199 482 0 461415 0
Current children cumulated CPU time (s) 56.98
Current children cumulated vsize (KiB) 1847596

[startup+59.1009 s]
/proc/loadavg: 0.97 0.98 1.00 1/108 30730
/proc/meminfo: memFree=10224/2059040 swapFree=4140012/4192956
[pid=30726] ppid=30724 vsize=1847596 CPUtime=56.98
/proc/30726/stat : 30726 (pbct) S 30724 30726 30440 0 -1 4194304 489502 0 0 0 5467 231 0 0 18 0 1 0 27983025 1891938304 459776 1992294400 134512640 136485738 4291559168 18446744073709551615 135319262 0 16384 4096 16387 18446604437825808512 0 0 17 0 0 0 20
/proc/30726/statm: 461899 459776 199 482 0 461415 0
Current children cumulated CPU time (s) 56.98
Current children cumulated vsize (KiB) 1847596

[startup+59.3009 s]
/proc/loadavg: 0.97 0.98 1.00 1/108 30730
/proc/meminfo: memFree=10224/2059040 swapFree=4140012/4192956
[pid=30726] ppid=30724 vsize=0 CPUtime=57.06
/proc/30726/stat : 30726 (pbct) R 30724 30726 30440 0 -1 4195332 489502 0 0 0 5467 239 0 0 18 0 1 0 27983025 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 20
/proc/30726/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 57.06
Current children cumulated vsize (KiB) 0

Child ended because it received signal 9 (SIGKILL)
Real time (s): 59.3987
CPU time (s): 57.1673
CPU user time (s): 54.6737
CPU system time (s): 2.49362
CPU usage (%): 96.2433
Max. virtual memory (cumulated for all children) (KiB): 1847596

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.6737
system time used= 2.49362
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 489502
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= 5
involuntary context switches= 200

runsolver used 0.104984 second user time and 0.301954 second system time

The end

Launcher Data 

Begin job on node006 at 2010-06-14 15:56:34
IDJOB=2668696
IDBENCH=2303
IDSOLVER=1170
FILE ID=node006/2668696-1276523793
PBS_JOBID= 11173443
Free space on /tmp= 62464 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-n370b.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668696-1276523793/watcher-2668696-1276523793 -o /tmp/evaluation-result-2668696-1276523793/solver-2668696-1276523793 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668696-1276523793.opb

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

MD5SUM BENCH= 1f80e288849d4e939571e6eefbd84b3a
RANDOM SEED=1729834978

node006.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		: 3000.204
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	: 6000.40
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		: 3000.204
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1752924 kB
Buffers:         94112 kB
Cached:         130632 kB
SwapCached:       6484 kB
Active:         106268 kB
Inactive:       132112 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1752924 kB
SwapTotal:     4192956 kB
SwapFree:      4140108 kB
Dirty:           10496 kB
Writeback:           0 kB
AnonPages:       11852 kB
Mapped:          12996 kB
Slab:            46064 kB
PageTables:       4008 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181540 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= 62464 MiB
End job on node006 at 2010-06-14 15:57:33