Trace number 2669340

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 0.1UNSAT 8.76767 8.76974

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-bandm.opb
MD5SUMa992ef1ae9c2fc19bb4dff3e333a9816
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark3.46847
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables14160
Total number of constraints305
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 constraints305
Minimum length of a constraint30
Maximum length of a constraint2100
Number of terms in the objective function 4710
Biggest coefficient in the objective function 53687091200000
Number of bits for the biggest coefficient in the objective function 46
Sum of the numbers in the objective function 4557677556349764
Number of bits of the sum of numbers in the objective function 53
Biggest number in a constraint 111669149696000
Number of bits of the biggest number in a constraint 47
Biggest sum of numbers in a constraint 4557677556349764
Number of bits of the biggest sum of numbers53
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
0.19/0.29	c constraints 305/0 clauses 0/0 units 0
0.19/0.29	c vars 14160
0.19/0.29	c objective 4710 + -3393850941883710
6.79/6.83	c 6.42002 366.59 8 30576
8.69/8.73	s UNSATISFIABLE

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-2669340-1276557102/watcher-2669340-1276557102 -o /tmp/evaluation-result-2669340-1276557102/solver-2669340-1276557102 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669340-1276557102.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: 1.37 1.16 1.05 3/106 31426
/proc/meminfo: memFree=1805800/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=2488 CPUtime=0
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 304 0 0 0 0 0 0 0 17 0 1 0 31314096 2547712 226 1992294400 134512640 136485738 4287408256 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31426/statm: 622 226 151 482 0 138 0

[startup+0.00910502 s]
/proc/loadavg: 1.37 1.16 1.05 3/106 31426
/proc/meminfo: memFree=1805800/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=2488 CPUtime=0
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 306 0 0 0 0 0 0 0 17 0 1 0 31314096 2547712 228 1992294400 134512640 136485738 4287408256 18446744073709551615 135411144 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31426/statm: 622 228 151 482 0 138 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2488

[startup+0.101099 s]
/proc/loadavg: 1.37 1.16 1.05 3/106 31426
/proc/meminfo: memFree=1805800/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=4296 CPUtime=0.09
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 727 0 0 0 9 0 0 0 17 0 1 0 31314096 4399104 649 1992294400 134512640 136485738 4287408256 18446744073709551615 135177538 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31426/statm: 1074 649 155 482 0 590 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4296

[startup+0.301118 s]
/proc/loadavg: 1.37 1.16 1.05 3/106 31426
/proc/meminfo: memFree=1805800/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=9352 CPUtime=0.29
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 1985 0 0 0 28 1 0 0 17 0 1 0 31314096 9576448 1907 1992294400 134512640 136485738 4287408256 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 2338 1908 197 482 0 1854 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9352

[startup+0.701155 s]
/proc/loadavg: 1.37 1.16 1.05 3/106 31426
/proc/meminfo: memFree=1805800/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=38020 CPUtime=0.69
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 9344 0 0 0 65 4 0 0 17 0 1 0 31314096 38932480 8892 1992294400 134512640 136485738 4287408256 18446744073709551615 135689872 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 9505 8893 197 482 0 9021 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 38020

[startup+1.50123 s]
/proc/loadavg: 1.37 1.16 1.05 2/107 31427
/proc/meminfo: memFree=1751604/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=89836 CPUtime=1.49
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 23027 0 0 0 139 10 0 0 18 0 1 0 31314096 91992064 21769 1992294400 134512640 136485738 4287408256 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 22459 21769 197 482 0 21975 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 89836

[startup+3.10138 s]
/proc/loadavg: 1.37 1.16 1.05 2/107 31427
/proc/meminfo: memFree=1684272/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=178988 CPUtime=3.09
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 47062 0 0 0 289 20 0 0 21 0 1 0 31314096 183283712 43942 1992294400 134512640 136485738 4287408256 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 44747 43942 197 482 0 44263 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 178988

[startup+6.30169 s]
/proc/loadavg: 1.34 1.16 1.05 2/107 31427
/proc/meminfo: memFree=1466900/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=375384 CPUtime=6.29
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 97654 0 0 0 590 39 0 0 25 0 1 0 31314096 384393216 89675 1992294400 134512640 136485738 4287408256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 93846 89675 227 482 0 93362 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 375384

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

[startup+7.90084 s]
/proc/loadavg: 1.31 1.15 1.05 2/107 31427
/proc/meminfo: memFree=1470496/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=344388 CPUtime=7.89
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 97677 0 0 0 748 41 0 0 25 0 1 0 31314096 352653312 83672 1992294400 134512640 136485738 4287408256 18446744073709551615 134720130 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 86097 83672 249 482 0 85613 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 344388

[startup+8.30088 s]
/proc/loadavg: 1.31 1.15 1.05 2/107 31427
/proc/meminfo: memFree=1470496/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=344388 CPUtime=8.29
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 97677 0 0 0 788 41 0 0 25 0 1 0 31314096 352653312 83672 1992294400 134512640 136485738 4287408256 18446744073709551615 135839931 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 86097 83672 249 482 0 85613 0
Current children cumulated CPU time (s) 8.29
Current children cumulated vsize (KiB) 344388

[startup+8.70092 s]
/proc/loadavg: 1.31 1.15 1.05 2/107 31427
/proc/meminfo: memFree=1484260/2059040 swapFree=4140388/4192956
[pid=31426] ppid=31424 vsize=322352 CPUtime=8.69
/proc/31426/stat : 31426 (pbct) R 31424 31426 30557 0 -1 4202496 97677 0 0 0 828 41 0 0 25 0 1 0 31314096 330088448 80267 1992294400 134512640 136485738 4287408256 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31426/statm: 80588 80267 249 482 0 80104 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 322352

Child status: 0
Real time (s): 8.76974
CPU time (s): 8.76767
CPU user time (s): 8.31274
CPU system time (s): 0.45493
CPU usage (%): 99.9764
Max. virtual memory (cumulated for all children) (KiB): 375384

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.31274
system time used= 0.45493
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 97678
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= 17

runsolver used 0.021996 second user time and 0.047992 second system time

The end

Launcher Data 

Begin job on node004 at 2010-06-15 01:11:42
IDJOB=2669340
IDBENCH=2460
IDSOLVER=1170
FILE ID=node004/2669340-1276557102
PBS_JOBID= 11173485
Free space on /tmp= 62548 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-bandm.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669340-1276557102/watcher-2669340-1276557102 -o /tmp/evaluation-result-2669340-1276557102/solver-2669340-1276557102 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669340-1276557102.opb

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

MD5SUM BENCH= a992ef1ae9c2fc19bb4dff3e333a9816
RANDOM SEED=579171440

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:       1806328 kB
Buffers:         48828 kB
Cached:         122492 kB
SwapCached:       6520 kB
Active:          74368 kB
Inactive:       110412 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1806328 kB
SwapTotal:     4192956 kB
SwapFree:      4140388 kB
Dirty:            3352 kB
Writeback:           4 kB
AnonPages:       11472 kB
Mapped:          13080 kB
Slab:            45988 kB
PageTables:       3996 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180592 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= 62544 MiB
End job on node004 at 2010-06-15 01:11:51