Trace number 2682434

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 NameAnswerCPU timeWall clock time
PB/CT 0.1 fixedUNSAT 36.7694 36.779

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111218308.opb
MD5SUM28297d3dd3c89d140e0fa9fe7bad5229
Bench CategoryDEC-SMALLINT (no optimisation, small 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 benchmark0.242962
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1154
Number of bits of the biggest sum of numbers11
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
0.00/0.01	c constraints 71/0 clauses 30/0 units 0
0.00/0.01	c vars 169
36.68/36.76	c 33.3519 8.16406 1139 184657
36.68/36.77	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-2682434-1277475629/watcher-2682434-1277475629 -o /tmp/evaluation-result-2682434-1277475629/solver-2682434-1277475629 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682434-1277475629.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: 0.00 0.00 0.00 3/106 23517
/proc/meminfo: memFree=1843044/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=3572 CPUtime=0
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 585 0 0 0 0 0 0 0 20 0 1 0 123166601 3657728 505 1992294400 134512640 136421960 4293891152 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 893 506 193 467 0 424 0

[startup+0.040083 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23517
/proc/meminfo: memFree=1843044/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=6752 CPUtime=0.03
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1378 0 0 0 3 0 0 0 20 0 1 0 123166601 6914048 1298 1992294400 134512640 136421960 4293891152 18446744073709551615 134640520 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 1688 1298 194 467 0 1219 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 6752

[startup+0.101089 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23517
/proc/meminfo: memFree=1843044/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=7332 CPUtime=0.09
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1540 0 0 0 8 1 0 0 20 0 1 0 123166601 7507968 1460 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 1833 1460 213 467 0 1364 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7332

[startup+0.301111 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23517
/proc/meminfo: memFree=1843044/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=7460 CPUtime=0.29
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1582 0 0 0 26 3 0 0 20 0 1 0 123166601 7639040 1502 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 1865 1502 213 467 0 1396 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7460

[startup+0.701155 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 23517
/proc/meminfo: memFree=1843044/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=7588 CPUtime=0.69
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1600 0 0 0 62 7 0 0 21 0 1 0 123166601 7770112 1520 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 1897 1520 213 467 0 1428 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7588

[startup+1.50025 s]
/proc/loadavg: 0.00 0.00 0.00 2/107 23518
/proc/meminfo: memFree=1837704/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=7716 CPUtime=1.49
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1631 0 0 0 135 14 0 0 23 0 1 0 123166601 7901184 1551 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 1929 1551 213 467 0 1460 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7716

[startup+3.10042 s]
/proc/loadavg: 0.08 0.02 0.01 2/107 23518
/proc/meminfo: memFree=1837332/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=7844 CPUtime=3.09
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1659 0 0 0 279 30 0 0 25 0 1 0 123166601 8032256 1579 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 1961 1579 213 467 0 1492 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7844

[startup+6.30078 s]
/proc/loadavg: 0.08 0.02 0.01 2/107 23518
/proc/meminfo: memFree=1836960/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=7976 CPUtime=6.29
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1703 0 0 0 568 61 0 0 25 0 1 0 123166601 8167424 1623 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 1994 1623 213 467 0 1525 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7976

[startup+12.7005 s]
/proc/loadavg: 0.22 0.05 0.02 2/107 23518
/proc/meminfo: memFree=1836712/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=8228 CPUtime=12.69
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1753 0 0 0 1144 125 0 0 25 0 1 0 123166601 8425472 1673 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 2057 1673 213 467 0 1588 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8228

[startup+25.5009 s]
/proc/loadavg: 0.34 0.08 0.02 2/107 23518
/proc/meminfo: memFree=1836712/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=8356 CPUtime=25.48
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1784 0 0 0 2310 238 0 0 25 0 1 0 123166601 8556544 1704 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 2089 1704 213 467 0 1620 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 8356

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

[startup+31.9086 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 23520
/proc/meminfo: memFree=1836588/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=8356 CPUtime=31.89
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1806 0 0 0 2891 298 0 0 25 0 1 0 123166601 8556544 1726 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 2089 1726 213 467 0 1620 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 8356

[startup+35.102 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 23520
/proc/meminfo: memFree=1836588/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=8356 CPUtime=35.09
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1806 0 0 0 3185 324 0 0 25 0 1 0 123166601 8556544 1726 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 2089 1726 213 467 0 1620 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 8356

[startup+35.9011 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 23520
/proc/meminfo: memFree=1836588/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=8356 CPUtime=35.88
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1806 0 0 0 3256 332 0 0 25 0 1 0 123166601 8556544 1726 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 2089 1726 213 467 0 1620 0
Current children cumulated CPU time (s) 35.88
Current children cumulated vsize (KiB) 8356

[startup+36.3081 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 23520
/proc/meminfo: memFree=1836588/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=8356 CPUtime=36.29
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1806 0 0 0 3293 336 0 0 25 0 1 0 123166601 8556544 1726 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 2089 1726 213 467 0 1620 0
Current children cumulated CPU time (s) 36.29
Current children cumulated vsize (KiB) 8356

[startup+36.7011 s]
/proc/loadavg: 0.44 0.11 0.03 2/107 23520
/proc/meminfo: memFree=1836588/2059040 swapFree=4139932/4192956
[pid=23517] ppid=23515 vsize=8356 CPUtime=36.68
/proc/23517/stat : 23517 (pbct) R 23515 23517 23492 0 -1 4202496 1806 0 0 0 3329 339 0 0 25 0 1 0 123166601 8556544 1726 1992294400 134512640 136421960 4293891152 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23517/statm: 2089 1726 213 467 0 1620 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 8356

Child status: 0
Real time (s): 36.779
CPU time (s): 36.7694
CPU user time (s): 33.3659
CPU system time (s): 3.40348
CPU usage (%): 99.9739
Max. virtual memory (cumulated for all children) (KiB): 8356

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 33.3659
system time used= 3.40348
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1832
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= 494

runsolver used 0.067989 second user time and 0.175973 second system time

The end

Launcher Data 

Begin job on node005 at 2010-06-25 16:20:29
IDJOB=2682434
IDBENCH=1172
IDSOLVER=1192
FILE ID=node005/2682434-1277475629
PBS_JOBID= 11190530
Free space on /tmp= 62528 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111218308.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682434-1277475629/watcher-2682434-1277475629 -o /tmp/evaluation-result-2682434-1277475629/solver-2682434-1277475629 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682434-1277475629.opb

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

MD5SUM BENCH= 28297d3dd3c89d140e0fa9fe7bad5229
RANDOM SEED=420229504

node005.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		: 3000.246
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	: 6000.49
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		: 3000.246
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:       1843696 kB
Buffers:         28384 kB
Cached:          88632 kB
SwapCached:       5480 kB
Active:          64672 kB
Inactive:        65156 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1843696 kB
SwapTotal:     4192956 kB
SwapFree:      4139932 kB
Dirty:            2148 kB
Writeback:           0 kB
AnonPages:       11560 kB
Mapped:          11936 kB
Slab:            63620 kB
PageTables:       4180 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181932 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= 62528 MiB
End job on node005 at 2010-06-25 16:21:06