Trace number 2682631

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) 27.7728 27.7834

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/liu/
dbst/normalized-dbst_v40_e600_d20_mw10_5.opb.PB06.opb
MD5SUM051b48fdf5558d73afe4ee3d3cae609a
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 benchmark2.96955
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 336
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
11.99/12.06	c constraints 3241/0 clauses 986760/0 units 0
11.99/12.06	c vars 2800
27.59/27.60	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-2682631-1277476136/watcher-2682631-1277476136 -o /tmp/evaluation-result-2682631-1277476136/solver-2682631-1277476136 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682631-1277476136.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: 0.91 0.79 0.39 3/106 22124
/proc/meminfo: memFree=1833848/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=2136 CPUtime=0
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 248 0 0 0 0 0 0 0 18 0 1 0 121270103 2187264 167 1992294400 134512640 136421960 4288807392 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 534 167 144 467 0 65 0

[startup+0.074558 s]
/proc/loadavg: 0.91 0.79 0.39 3/106 22124
/proc/meminfo: memFree=1833848/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=2268 CPUtime=0.07
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 300 0 0 0 7 0 0 0 20 0 1 0 121270103 2322432 219 1992294400 134512640 136421960 4288807392 18446744073709551615 135158928 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 567 219 144 467 0 98 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2268

[startup+0.101563 s]
/proc/loadavg: 0.91 0.79 0.39 3/106 22124
/proc/meminfo: memFree=1833848/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=2400 CPUtime=0.1
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 322 0 0 0 10 0 0 0 20 0 1 0 121270103 2457600 241 1992294400 134512640 136421960 4288807392 18446744073709551615 135818454 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 600 241 144 467 0 131 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2400

[startup+0.3016 s]
/proc/loadavg: 0.91 0.79 0.39 3/106 22124
/proc/meminfo: memFree=1833848/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=3060 CPUtime=0.29
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 474 0 0 0 29 0 0 0 20 0 1 0 121270103 3133440 393 1992294400 134512640 136421960 4288807392 18446744073709551615 135372688 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 765 393 144 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.700676 s]
/proc/loadavg: 0.91 0.79 0.39 3/106 22124
/proc/meminfo: memFree=1833848/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=4244 CPUtime=0.69
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 813 0 0 0 69 0 0 0 21 0 1 0 121270103 4345856 699 1992294400 134512640 136421960 4288807392 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 1061 699 144 467 0 592 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4244

[startup+1.50082 s]
/proc/loadavg: 0.91 0.79 0.39 2/107 22125
/proc/meminfo: memFree=1830616/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=6744 CPUtime=1.49
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 1489 0 0 0 149 0 0 0 23 0 1 0 121270103 6905856 1310 1992294400 134512640 136421960 4288807392 18446744073709551615 135380591 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 1686 1310 144 467 0 1217 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6744

[startup+3.10112 s]
/proc/loadavg: 0.92 0.79 0.40 2/107 22125
/proc/meminfo: memFree=1826896/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=12504 CPUtime=3.09
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 3088 0 0 0 307 2 0 0 25 0 1 0 121270103 12804096 2523 1992294400 134512640 136421960 4288807392 18446744073709551615 135821903 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 3126 2523 144 467 0 2657 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12504

[startup+6.30072 s]
/proc/loadavg: 0.92 0.79 0.40 2/107 22125
/proc/meminfo: memFree=1816852/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=23132 CPUtime=6.29
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 6021 0 0 0 625 4 0 0 25 0 1 0 121270103 23687168 4943 1992294400 134512640 136421960 4288807392 18446744073709551615 135377254 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22124/statm: 5783 4943 144 467 0 5314 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 23132

[startup+12.7009 s]
/proc/loadavg: 0.93 0.80 0.40 2/107 22125
/proc/meminfo: memFree=1786968/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=96280 CPUtime=12.68
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 25709 0 0 0 1256 12 0 0 25 0 1 0 121270103 98590720 23509 1992294400 134512640 136421960 4288807392 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22124/statm: 24103 23511 187 467 0 23634 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 96280

[startup+25.5013 s]
/proc/loadavg: 0.94 0.80 0.41 2/107 22125
/proc/meminfo: memFree=993864/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=872056 CPUtime=25.48
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 247264 0 0 0 2444 104 0 0 25 0 1 0 121270103 892985344 214370 1992294400 134512640 136421960 4288807392 18446744073709551615 134548774 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22124/statm: 218014 214371 193 467 0 217545 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 872056



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+27.6007 s]
/proc/loadavg: 0.95 0.81 0.41 2/107 22125
/proc/meminfo: memFree=47124/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=1851032 CPUtime=27.59
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4202496 496005 0 0 0 2569 190 0 0 25 0 1 0 121270103 1895456768 446723 1992294400 134512640 136421960 4288807392 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22124/statm: 462758 446727 194 467 0 462289 0
Current children cumulated CPU time (s) 27.59
Current children cumulated vsize (KiB) 1851032

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

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

[startup+27.7087 s]
/proc/loadavg: 0.95 0.81 0.41 2/107 22125
/proc/meminfo: memFree=47124/2059040 swapFree=4140004/4192956
[pid=22124] ppid=22122 vsize=0 CPUtime=27.69
/proc/22124/stat : 22124 (pbct) R 22122 22124 21868 0 -1 4194308 496036 0 0 0 2569 200 0 0 25 0 1 0 121270103 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/22124/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 27.69
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 27.7834
CPU time (s): 27.7728
CPU user time (s): 25.6911
CPU system time (s): 2.08168
CPU usage (%): 99.9618
Max. virtual memory (cumulated for all children) (KiB): 1851032

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 25.6911
system time used= 2.08168
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 496036
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= 363

runsolver used 0.053991 second user time and 0.139978 second system time

The end

Launcher Data 

Begin job on node019 at 2010-06-25 16:28:58
IDJOB=2682631
IDBENCH=1383
IDSOLVER=1192
FILE ID=node019/2682631-1277476136
PBS_JOBID= 11190518
Free space on /tmp= 62240 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_5.opb.PB06.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682631-1277476136/watcher-2682631-1277476136 -o /tmp/evaluation-result-2682631-1277476136/solver-2682631-1277476136 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682631-1277476136.opb

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

MD5SUM BENCH= 051b48fdf5558d73afe4ee3d3cae609a
RANDOM SEED=1133729245

node019.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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1834376 kB
Buffers:         24768 kB
Cached:         113948 kB
SwapCached:       5532 kB
Active:          54784 kB
Inactive:        96932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1834376 kB
SwapTotal:     4192956 kB
SwapFree:      4140004 kB
Dirty:           36108 kB
Writeback:           4 kB
AnonPages:       11656 kB
Mapped:          11864 kB
Slab:            50952 kB
PageTables:       4056 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182736 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= 62236 MiB
End job on node019 at 2010-06-25 16:29:27