Trace number 2668868

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 0.1SAT 22.6915 22.6983

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110971097.opb
MD5SUMb3a8b019b062ba00049a908fd4b30019
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.062989
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
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 1128
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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 71/0 clauses 30/0 units 0
0.00/0.00	c vars 169
22.59/22.68	c 20.4809 8.10547 1951 115651
22.59/22.68	s SATISFIABLE
22.59/22.68	v -x1 -x2 -x3 -x4 -x5 -x6 x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 x25 -x26 -x27 x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 x123 -x124 -x125 -x126 -x127 -x128 -x129 -x130 x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 x153 -x154 -x155 -x156 -x157 -x158 -x159 x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 -x168 -x169

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2668868-1276432140/watcher-2668868-1276432140 -o /tmp/evaluation-result-2668868-1276432140/solver-2668868-1276432140 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668868-1276432140.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: 0.98 0.97 0.99 3/106 23354
/proc/meminfo: memFree=1831952/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=3384 CPUtime=0
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 533 0 0 0 0 0 0 0 25 0 1 0 18817425 3465216 456 1992294400 134512640 136485738 4290974512 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 846 458 190 482 0 362 0

[startup+0.0569281 s]
/proc/loadavg: 0.98 0.97 0.99 3/106 23354
/proc/meminfo: memFree=1831952/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=7144 CPUtime=0.04
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1464 0 0 0 4 0 0 0 25 0 1 0 18817425 7315456 1387 1992294400 134512640 136485738 4290974512 18446744073709551615 134659192 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 1786 1394 214 482 0 1302 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 7144

[startup+0.100935 s]
/proc/loadavg: 0.98 0.97 0.99 3/106 23354
/proc/meminfo: memFree=1831952/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=7408 CPUtime=0.09
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1545 0 0 0 9 0 0 0 25 0 1 0 18817425 7585792 1468 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 1852 1468 223 482 0 1368 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7408

[startup+0.300973 s]
/proc/loadavg: 0.98 0.97 0.99 3/106 23354
/proc/meminfo: memFree=1831952/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=7536 CPUtime=0.29
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1581 0 0 0 26 3 0 0 25 0 1 0 18817425 7716864 1504 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 1884 1504 223 482 0 1400 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7536

[startup+0.701046 s]
/proc/loadavg: 0.98 0.97 0.99 3/106 23354
/proc/meminfo: memFree=1831952/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=7668 CPUtime=0.69
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1606 0 0 0 63 6 0 0 25 0 1 0 18817425 7852032 1529 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 1917 1529 223 482 0 1433 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7668

[startup+1.50119 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1826612/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=7796 CPUtime=1.49
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1643 0 0 0 133 16 0 0 25 0 1 0 18817425 7983104 1566 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 1949 1566 223 482 0 1465 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7796

[startup+3.10149 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1826116/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=7924 CPUtime=3.09
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1685 0 0 0 277 32 0 0 25 0 1 0 18817425 8114176 1608 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 1981 1608 223 482 0 1497 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7924

[startup+6.30108 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825992/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8056 CPUtime=6.29
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1713 0 0 0 568 61 0 0 25 0 1 0 18817425 8249344 1636 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2014 1636 223 482 0 1530 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 8056

[startup+12.7013 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825744/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8168 CPUtime=12.69
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1741 0 0 0 1148 121 0 0 25 0 1 0 18817425 8364032 1664 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2042 1664 223 482 0 1558 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8168

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

[startup+19.1004 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825744/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8296 CPUtime=19.08
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1754 0 0 0 1721 187 0 0 25 0 1 0 18817425 8495104 1677 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2074 1677 223 482 0 1590 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 8296

[startup+20.7007 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825620/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8296 CPUtime=20.69
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1772 0 0 0 1869 200 0 0 25 0 1 0 18817425 8495104 1695 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2074 1695 223 482 0 1590 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 8296

[startup+21.5009 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825620/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8296 CPUtime=21.49
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1772 0 0 0 1941 208 0 0 25 0 1 0 18817425 8495104 1695 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2074 1695 223 482 0 1590 0
Current children cumulated CPU time (s) 21.49
Current children cumulated vsize (KiB) 8296

[startup+22.301 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825620/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8296 CPUtime=22.28
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1772 0 0 0 2013 215 0 0 25 0 1 0 18817425 8495104 1695 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2074 1695 223 482 0 1590 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 8296

[startup+22.5011 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825620/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8296 CPUtime=22.48
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1772 0 0 0 2031 217 0 0 25 0 1 0 18817425 8495104 1695 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2074 1695 223 482 0 1590 0
Current children cumulated CPU time (s) 22.48
Current children cumulated vsize (KiB) 8296

[startup+22.6011 s]
/proc/loadavg: 0.98 0.97 0.99 2/107 23355
/proc/meminfo: memFree=1825620/2059040 swapFree=4140476/4192956
[pid=23354] ppid=23352 vsize=8296 CPUtime=22.59
/proc/23354/stat : 23354 (pbct) R 23352 23354 23028 0 -1 4202496 1772 0 0 0 2040 219 0 0 25 0 1 0 18817425 8495104 1695 1992294400 134512640 136485738 4290974512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23354/statm: 2074 1695 223 482 0 1590 0
Current children cumulated CPU time (s) 22.59
Current children cumulated vsize (KiB) 8296

Child status: 0
Real time (s): 22.6983
CPU time (s): 22.6915
CPU user time (s): 20.4939
CPU system time (s): 2.19767
CPU usage (%): 99.9701
Max. virtual memory (cumulated for all children) (KiB): 8296

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.4939
system time used= 2.19766
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1796
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= 2
involuntary context switches= 41

runsolver used 0.034994 second user time and 0.117982 second system time

The end

Launcher Data 

Begin job on node007 at 2010-06-13 14:29:00
IDJOB=2668868
IDBENCH=1200
IDSOLVER=1170
FILE ID=node007/2668868-1276432140
PBS_JOBID= 11173317
Free space on /tmp= 62456 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110971097.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668868-1276432140/watcher-2668868-1276432140 -o /tmp/evaluation-result-2668868-1276432140/solver-2668868-1276432140 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668868-1276432140.opb

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

MD5SUM BENCH= b3a8b019b062ba00049a908fd4b30019
RANDOM SEED=260992469

node007.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		: 3000.264
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	: 6000.52
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		: 3000.264
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1832480 kB
Buffers:         24392 kB
Cached:         122836 kB
SwapCached:       6692 kB
Active:         102264 kB
Inactive:        58500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1832480 kB
SwapTotal:     4192956 kB
SwapFree:      4140476 kB
Dirty:            2184 kB
Writeback:           0 kB
AnonPages:       11092 kB
Mapped:          12904 kB
Slab:            44040 kB
PageTables:       4048 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180200 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= 62456 MiB
End job on node007 at 2010-06-13 14:29:22