Trace number 2682636

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 fixed? (MO) 28.0637 30.3095

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v40_e600_d20_mw10_0.opb.PB06.opb
MD5SUMe436f4a609b5bae6a8ddfe1313c390fe
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 benchmark2.82357
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2800
Total number of constraints990001
Number of constraints which are clauses986760
Number of constraints which are cardinality constraints (but not clauses)81
Number of constraints which are nor clauses,nor cardinality constraints3160
Minimum length of a constraint2
Maximum length of a constraint1200
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 338
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 1239
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
12.18/12.20	c constraints 3241/0 clauses 986760/0 units 0
12.18/12.20	c vars 2800

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-2682636-1277476179/watcher-2682636-1277476179 -o /tmp/evaluation-result-2682636-1277476179/solver-2682636-1277476179 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682636-1277476179.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: 1.03 0.85 0.44 3/106 21985
/proc/meminfo: memFree=1784788/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=2136 CPUtime=0
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 247 0 0 0 0 0 0 0 18 0 1 0 123219887 2187264 167 1992294400 134512640 136421960 4290279680 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 534 167 144 467 0 65 0

[startup+0.0558681 s]
/proc/loadavg: 1.03 0.85 0.44 3/106 21985
/proc/meminfo: memFree=1784788/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=2268 CPUtime=0.05
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 284 0 0 0 5 0 0 0 21 0 1 0 123219887 2322432 204 1992294400 134512640 136421960 4290279680 18446744073709551615 134523842 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 567 204 144 467 0 98 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2268

[startup+0.100872 s]
/proc/loadavg: 1.03 0.85 0.44 3/106 21985
/proc/meminfo: memFree=1784788/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=2400 CPUtime=0.1
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 321 0 0 0 10 0 0 0 21 0 1 0 123219887 2457600 241 1992294400 134512640 136421960 4290279680 18446744073709551615 135822032 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 600 241 144 467 0 131 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2400

[startup+0.300894 s]
/proc/loadavg: 1.03 0.85 0.44 3/106 21985
/proc/meminfo: memFree=1784788/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=3060 CPUtime=0.29
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 470 0 0 0 29 0 0 0 21 0 1 0 123219887 3133440 390 1992294400 134512640 136421960 4290279680 18446744073709551615 135822032 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 765 390 144 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.700938 s]
/proc/loadavg: 1.03 0.85 0.44 3/106 21985
/proc/meminfo: memFree=1784788/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=4244 CPUtime=0.69
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 806 0 0 0 69 0 0 0 22 0 1 0 123219887 4345856 693 1992294400 134512640 136421960 4290279680 18446744073709551615 135372698 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 1061 693 144 467 0 592 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4244

[startup+1.50103 s]
/proc/loadavg: 1.03 0.85 0.44 2/107 21986
/proc/meminfo: memFree=1780192/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=6612 CPUtime=1.49
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 1476 0 0 0 149 0 0 0 25 0 1 0 123219887 6770688 1298 1992294400 134512640 136421960 4290279680 18446744073709551615 135873694 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 1653 1298 144 467 0 1184 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6612

[startup+3.1012 s]
/proc/loadavg: 1.03 0.85 0.44 2/107 21986
/proc/meminfo: memFree=1778208/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=12504 CPUtime=3.09
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 3070 0 0 0 307 2 0 0 25 0 1 0 123219887 12804096 2506 1992294400 134512640 136421960 4290279680 18446744073709551615 135158939 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 3126 2506 144 467 0 2657 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12504

[startup+6.30156 s]
/proc/loadavg: 1.03 0.85 0.44 2/107 21986
/proc/meminfo: memFree=1768164/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=23132 CPUtime=6.29
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 5999 0 0 0 626 3 0 0 25 0 1 0 123219887 23687168 4922 1992294400 134512640 136421960 4290279680 18446744073709551615 135809531 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21985/statm: 5783 4922 144 467 0 5314 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 23132

[startup+12.7013 s]
/proc/loadavg: 1.02 0.86 0.44 2/107 21986
/proc/meminfo: memFree=1741008/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=88852 CPUtime=12.69
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 23309 0 0 0 1258 11 0 0 25 0 1 0 123219887 90984448 21300 1992294400 134512640 136421960 4290279680 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21985/statm: 22213 21300 187 467 0 21744 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 88852

[startup+25.5007 s]
/proc/loadavg: 1.02 0.86 0.45 2/107 21986
/proc/meminfo: memFree=952740/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=864728 CPUtime=25.48
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 245324 0 0 0 2446 102 0 0 25 0 1 0 123219887 885481472 212383 1992294400 134512640 136421960 4290279680 18446744073709551615 135061505 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21985/statm: 216182 212384 193 467 0 215713 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 864728



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+27.8227 s]
/proc/loadavg: 1.02 0.86 0.45 3/107 21986
/proc/meminfo: memFree=10372/2059040 swapFree=4139972/4192956
[pid=21985] ppid=21983 vsize=1872348 CPUtime=27.87
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4202496 501439 0 0 0 2590 197 0 0 24 0 1 0 123219887 1917284352 452110 1992294400 134512640 136421960 4290279680 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 0 0 0 22
/proc/21985/statm: 468087 452110 194 467 0 467618 0
Current children cumulated CPU time (s) 27.87
Current children cumulated vsize (KiB) 1872348

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

Sending SIGKILL to process tree (bottom up)

Sending SIGKILL to -21985

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

[startup+28.9085 s]
/proc/loadavg: 0.94 0.85 0.45 1/108 21987
/proc/meminfo: memFree=10776/2059040 swapFree=4139108/4192956
[pid=21985] ppid=21983 vsize=1872348 CPUtime=27.87
/proc/21985/stat : 21985 (pbct) S 21983 21985 21700 0 -1 4194304 501441 0 0 0 2590 197 0 0 24 0 1 0 123219887 1917284352 452112 1992294400 134512640 136421960 4290279680 18446744073709551615 135884462 0 16384 4096 16387 18446604437820142848 0 0 17 1 0 0 23
/proc/21985/statm: 468087 452112 195 467 0 467618 0
Current children cumulated CPU time (s) 27.87
Current children cumulated vsize (KiB) 1872348

[startup+29.7005 s]
/proc/loadavg: 0.94 0.85 0.45 1/108 21987
/proc/meminfo: memFree=10776/2059040 swapFree=4139108/4192956
[pid=21985] ppid=21983 vsize=1872348 CPUtime=27.87
/proc/21985/stat : 21985 (pbct) S 21983 21985 21700 0 -1 4194304 501441 0 0 0 2590 197 0 0 24 0 1 0 123219887 1917284352 452112 1992294400 134512640 136421960 4290279680 18446744073709551615 135884462 0 16384 4096 16387 18446604437820142848 0 0 17 1 0 0 23
/proc/21985/statm: 468087 452112 195 467 0 467618 0
Current children cumulated CPU time (s) 27.87
Current children cumulated vsize (KiB) 1872348

[startup+30.1005 s]
/proc/loadavg: 0.94 0.85 0.45 1/108 21987
/proc/meminfo: memFree=10776/2059040 swapFree=4139108/4192956
[pid=21985] ppid=21983 vsize=1872348 CPUtime=27.87
/proc/21985/stat : 21985 (pbct) S 21983 21985 21700 0 -1 4194304 501441 0 0 0 2590 197 0 0 24 0 1 0 123219887 1917284352 452112 1992294400 134512640 136421960 4290279680 18446744073709551615 135884462 0 16384 4096 16387 18446604437820142848 0 0 17 1 0 0 23
/proc/21985/statm: 468087 452112 195 467 0 467618 0
Current children cumulated CPU time (s) 27.87
Current children cumulated vsize (KiB) 1872348

[startup+30.3025 s]
/proc/loadavg: 0.94 0.85 0.45 1/108 21987
/proc/meminfo: memFree=10776/2059040 swapFree=4139108/4192956
[pid=21985] ppid=21983 vsize=0 CPUtime=28.04
/proc/21985/stat : 21985 (pbct) R 21983 21985 21700 0 -1 4195332 501441 0 0 0 2590 214 0 0 18 0 1 0 123219887 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 23
/proc/21985/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 28.04
Current children cumulated vsize (KiB) 0

Child ended because it received signal 9 (SIGKILL)
Real time (s): 30.3095
CPU time (s): 28.0637
CPU user time (s): 25.9081
CPU system time (s): 2.15567
CPU usage (%): 92.5905
Max. virtual memory (cumulated for all children) (KiB): 1872348

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 25.9081
system time used= 2.15567
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 501441
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= 100

runsolver used 0.06099 second user time and 0.159975 second system time

The end

Launcher Data 

Begin job on node009 at 2010-06-25 16:29:41
IDJOB=2682636
IDBENCH=1388
IDSOLVER=1192
FILE ID=node009/2682636-1277476179
PBS_JOBID= 11190527
Free space on /tmp= 62368 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/dbst/normalized-dbst_v40_e600_d20_mw10_0.opb.PB06.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682636-1277476179/watcher-2682636-1277476179 -o /tmp/evaluation-result-2682636-1277476179/solver-2682636-1277476179 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682636-1277476179.opb

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

MD5SUM BENCH= e436f4a609b5bae6a8ddfe1313c390fe
RANDOM SEED=1502625504

node009.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		: 3000.199
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	: 6000.39
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		: 3000.199
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:       1785308 kB
Buffers:         39596 kB
Cached:         131264 kB
SwapCached:       5476 kB
Active:          79204 kB
Inactive:       104592 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1785308 kB
SwapTotal:     4192956 kB
SwapFree:      4139972 kB
Dirty:           35988 kB
Writeback:           0 kB
AnonPages:       11524 kB
Mapped:          11920 kB
Slab:            67884 kB
PageTables:       4164 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181980 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= 62364 MiB
End job on node009 at 2010-06-25 16:30:12