Trace number 2682943

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) 25.4321 25.7441

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/MIPLIB/
miplib2003/normalized-mps-v2-20-10-atlanta-ip.opb
MD5SUM3d255cade6c21db991c934cb96648acb
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark9201230968262
Best CPU time to get the best result obtained on this benchmark1800.65
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 9201231431786
Optimality of the best value was proved NO
Number of variables77286
Total number of constraints23680
Number of constraints which are clauses2311
Number of constraints which are cardinality constraints (but not clauses)862
Number of constraints which are nor clauses,nor cardinality constraints20507
Minimum length of a constraint1
Maximum length of a constraint2790
Number of terms in the objective function 31296
Biggest coefficient in the objective function 1700000000000
Number of bits for the biggest coefficient in the objective function 41
Sum of the numbers in the objective function 81421012358779
Number of bits of the sum of numbers in the objective function 47
Biggest number in a constraint 1700000000000
Number of bits of the biggest number in a constraint 41
Biggest sum of numbers in a constraint 81421012358779
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
1.99/2.10	c constraints 21100/0 clauses 2462/0 units 1525
1.99/2.10	c vars 77286
1.99/2.10	c objective 31274 + 0
25.23/25.55	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-2682943-1277489143/watcher-2682943-1277489143 -o /tmp/evaluation-result-2682943-1277489143/solver-2682943-1277489143 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682943-1277489143.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 0.99 0.92 3/106 29920
/proc/meminfo: memFree=1798384/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=2416 CPUtime=0
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 295 0 0 0 0 0 0 0 17 0 1 0 90209520 2473984 214 1992294400 134512640 136421960 4287361824 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29920/statm: 604 214 138 467 0 135 0

[startup+0.018422 s]
/proc/loadavg: 1.00 0.99 0.92 3/106 29920
/proc/meminfo: memFree=1798384/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=2680 CPUtime=0.01
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 362 0 0 0 1 0 0 0 17 0 1 0 90209520 2744320 281 1992294400 134512640 136421960 4287361824 18446744073709551615 135818462 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29920/statm: 670 281 138 467 0 201 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2680

[startup+0.101432 s]
/proc/loadavg: 1.00 0.99 0.92 3/106 29920
/proc/meminfo: memFree=1798384/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=4140 CPUtime=0.1
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 875 0 0 0 10 0 0 0 17 0 1 0 90209520 4239360 647 1992294400 134512640 136421960 4287361824 18446744073709551615 135158986 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29920/statm: 1035 647 140 467 0 566 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 4140

[startup+0.301455 s]
/proc/loadavg: 1.00 0.99 0.92 3/106 29920
/proc/meminfo: memFree=1798384/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=8100 CPUtime=0.29
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 1873 0 0 0 29 0 0 0 17 0 1 0 90209520 8294400 1645 1992294400 134512640 136421960 4287361824 18446744073709551615 135152203 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29920/statm: 2025 1646 146 467 0 1556 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8100

[startup+0.701502 s]
/proc/loadavg: 1.00 0.99 0.92 3/106 29920
/proc/meminfo: memFree=1798384/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=16812 CPUtime=0.69
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 4063 0 0 0 68 1 0 0 17 0 1 0 90209520 17215488 3835 1992294400 134512640 136421960 4287361824 18446744073709551615 135825877 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29920/statm: 4203 3835 146 467 0 3734 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16812

[startup+1.5016 s]
/proc/loadavg: 1.00 0.99 0.92 2/107 29921
/proc/meminfo: memFree=1776924/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=33708 CPUtime=1.49
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 8278 0 0 0 146 3 0 0 18 0 1 0 90209520 34516992 8050 1992294400 134512640 136421960 4287361824 18446744073709551615 135818493 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29920/statm: 8427 8051 146 467 0 7958 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 33708

[startup+3.10179 s]
/proc/loadavg: 1.00 0.99 0.92 2/107 29921
/proc/meminfo: memFree=1756340/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=136396 CPUtime=3.09
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 34307 0 0 0 294 15 0 0 21 0 1 0 90209520 139669504 33338 1992294400 134512640 136421960 4287361824 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29920/statm: 34099 33339 194 467 0 33630 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 136396

[startup+6.30117 s]
/proc/loadavg: 1.00 0.99 0.92 2/107 29921
/proc/meminfo: memFree=1506480/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=351144 CPUtime=6.29
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 91316 0 0 0 588 41 0 0 25 0 1 0 90209520 359571456 85921 1992294400 134512640 136421960 4287361824 18446744073709551615 135520588 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29920/statm: 87786 85922 194 467 0 87317 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 351144

[startup+12.7009 s]
/proc/loadavg: 1.00 0.99 0.92 2/107 29923
/proc/meminfo: memFree=1150848/2059040 swapFree=4140116/4192956
[pid=29920] ppid=29918 vsize=693168 CPUtime=12.69
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 184878 0 0 0 1187 82 0 0 25 0 1 0 90209520 709804032 171475 1992294400 134512640 136421960 4287361824 18446744073709551615 135811389 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29920/statm: 173292 171476 194 467 0 172823 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 693168



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+25.5411 s]
/proc/loadavg: 1.08 1.00 0.93 3/107 29923
/proc/meminfo: memFree=7984/2059040 swapFree=4139192/4192956
[pid=29920] ppid=29918 vsize=1851716 CPUtime=25.23
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 489786 0 0 0 2312 211 0 0 24 0 1 0 90209520 1896157184 461914 1992294400 134512640 136421960 4287361824 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 0 0 0 30
/proc/29920/statm: 462929 461918 196 467 0 462460 0
Current children cumulated CPU time (s) 25.23
Current children cumulated vsize (KiB) 1851716

Sending SIGTERM to process tree (bottom up)

[startup+25.5411 s]
/proc/loadavg: 1.08 1.00 0.93 3/107 29923
/proc/meminfo: memFree=7984/2059040 swapFree=4139192/4192956
[pid=29920] ppid=29918 vsize=1851716 CPUtime=25.23
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4202496 489786 0 0 0 2312 211 0 0 24 0 1 0 90209520 1896157184 461914 1992294400 134512640 136421960 4287361824 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 0 0 0 30
/proc/29920/statm: 462929 461918 196 467 0 462460 0
Current children cumulated CPU time (s) 25.23
Current children cumulated vsize (KiB) 1851716
Sleeping 2 seconds

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

[startup+25.6141 s]
/proc/loadavg: 1.08 1.00 0.93 3/107 29923
/proc/meminfo: memFree=7984/2059040 swapFree=4139192/4192956
[pid=29920] ppid=29918 vsize=0 CPUtime=25.29
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4194308 489826 0 0 0 2312 217 0 0 25 0 1 0 90209520 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 30
/proc/29920/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.29
Current children cumulated vsize (KiB) 0

[startup+25.7001 s]
/proc/loadavg: 1.08 1.00 0.93 3/107 29923
/proc/meminfo: memFree=7984/2059040 swapFree=4139192/4192956
[pid=29920] ppid=29918 vsize=0 CPUtime=25.38
/proc/29920/stat : 29920 (pbct) R 29918 29920 28857 0 -1 4194308 489826 0 0 0 2312 226 0 0 25 0 1 0 90209520 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 30
/proc/29920/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.38
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 25.7441
CPU time (s): 25.4321
CPU user time (s): 23.1255
CPU system time (s): 2.30665
CPU usage (%): 98.7881
Max. virtual memory (cumulated for all children) (KiB): 1851716

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.1255
system time used= 2.30665
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 489826
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= 6
involuntary context switches= 57

runsolver used 0.054991 second user time and 0.140978 second system time

The end

Launcher Data 

Begin job on node033 at 2010-06-25 20:05:44
IDJOB=2682943
IDBENCH=2530
IDSOLVER=1192
FILE ID=node033/2682943-1277489143
PBS_JOBID= 11190511
Free space on /tmp= 62300 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/MIPLIB/miplib2003/normalized-mps-v2-20-10-atlanta-ip.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682943-1277489143/watcher-2682943-1277489143 -o /tmp/evaluation-result-2682943-1277489143/solver-2682943-1277489143 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682943-1277489143.opb

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

MD5SUM BENCH= 3d255cade6c21db991c934cb96648acb
RANDOM SEED=749930655

node033.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		: 3000.242
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		: 3000.242
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:       1798912 kB
Buffers:         44832 kB
Cached:         116720 kB
SwapCached:       5352 kB
Active:          24912 kB
Inactive:       149552 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1798912 kB
SwapTotal:     4192956 kB
SwapFree:      4140116 kB
Dirty:            8952 kB
Writeback:           0 kB
AnonPages:       11656 kB
Mapped:          12040 kB
Slab:            63724 kB
PageTables:       4168 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182476 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= 62296 MiB
End job on node033 at 2010-06-25 20:06:12