Trace number 2681927

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 0.1 fixed? (MO) 27.7718 29.8804

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/unibo/normalized-mps-v2-20-10-NSR8K.opb
MD5SUMcc5d7ea426a09a5b1cb030d82bbe1743
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmark
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables221520
Total number of constraints6283
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 constraints6283
Minimum length of a constraint45
Maximum length of a constraint221520
Number of terms in the objective function 221520
Biggest coefficient in the objective function 536870912000000000000
Number of bits for the biggest coefficient in the objective function 69
Sum of the numbers in the objective function 34400198927214221876937
Number of bits of the sum of numbers in the objective function 75
Biggest number in a constraint 536870912000000000000
Number of bits of the biggest number in a constraint 69
Biggest sum of numbers in a constraint 34400301327214221876937
Number of bits of the biggest sum of numbers75
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
3.79/3.89	c constraints 6283/0 clauses 0/0 units 705
3.79/3.89	c vars 221520
3.89/3.90	c objective 221167 + 0

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-2681927-1277486102/watcher-2681927-1277486102 -o /tmp/evaluation-result-2681927-1277486102/solver-2681927-1277486102 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681927-1277486102.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: 1.00 1.00 0.93 3/105 30451
/proc/meminfo: memFree=1712972/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=2416 CPUtime=0
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 292 0 0 0 0 0 0 0 23 0 1 0 89903453 2473984 211 1992294400 134512640 136421960 4290792944 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30451/statm: 604 211 138 467 0 135 0

[startup+0.0162741 s]
/proc/loadavg: 1.00 1.00 0.93 3/105 30451
/proc/meminfo: memFree=1712972/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=2680 CPUtime=0.01
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 351 0 0 0 1 0 0 0 23 0 1 0 89903453 2744320 270 1992294400 134512640 136421960 4290792944 18446744073709551615 135873694 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30451/statm: 670 270 138 467 0 201 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2680

[startup+0.100284 s]
/proc/loadavg: 1.00 1.00 0.93 3/105 30451
/proc/meminfo: memFree=1712972/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=5864 CPUtime=0.09
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 1282 0 0 0 9 0 0 0 23 0 1 0 89903453 6004736 828 1992294400 134512640 136421960 4290792944 18446744073709551615 135372691 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30451/statm: 1466 828 138 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.300308 s]
/proc/loadavg: 1.00 1.00 0.93 3/105 30451
/proc/meminfo: memFree=1712972/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=9492 CPUtime=0.29
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 2718 0 0 0 28 1 0 0 23 0 1 0 89903453 9719808 1814 1992294400 134512640 136421960 4290792944 18446744073709551615 135153452 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30451/statm: 2373 1814 138 467 0 1904 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9492

[startup+0.700358 s]
/proc/loadavg: 1.00 1.00 0.93 3/105 30451
/proc/meminfo: memFree=1712972/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=17152 CPUtime=0.69
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 5548 0 0 0 67 2 0 0 25 0 1 0 89903453 17563648 3617 1992294400 134512640 136421960 4290792944 18446744073709551615 135161868 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30451/statm: 4288 3617 139 467 0 3819 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17152

[startup+1.50046 s]
/proc/loadavg: 1.00 1.00 0.93 2/106 30452
/proc/meminfo: memFree=1698580/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=28200 CPUtime=1.49
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 8262 0 0 0 144 5 0 0 25 0 1 0 89903453 28876800 6331 1992294400 134512640 136421960 4290792944 18446744073709551615 135161853 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30451/statm: 7050 6331 146 467 0 6581 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 28200

[startup+3.10065 s]
/proc/loadavg: 1.00 1.00 0.93 2/106 30452
/proc/meminfo: memFree=1677128/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=64948 CPUtime=3.09
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 17612 0 0 0 299 10 0 0 25 0 1 0 89903453 66506752 15102 1992294400 134512640 136421960 4290792944 18446744073709551615 135873694 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30451/statm: 16237 15102 146 467 0 15768 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 64948

[startup+6.30104 s]
/proc/loadavg: 1.00 1.00 0.93 2/106 30452
/proc/meminfo: memFree=1524360/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=262700 CPUtime=6.29
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 69733 0 0 0 594 35 0 0 25 0 1 0 89903453 269004800 64075 1992294400 134512640 136421960 4290792944 18446744073709551615 134632331 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30451/statm: 65675 64075 194 467 0 65206 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 262700

[startup+12.7008 s]
/proc/loadavg: 1.00 1.00 0.93 2/106 30452
/proc/meminfo: memFree=1014604/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=746228 CPUtime=12.69
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 198239 0 0 0 1179 90 0 0 25 0 1 0 89903453 764137472 183160 1992294400 134512640 136421960 4290792944 18446744073709551615 134700931 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30451/statm: 186557 183161 194 467 0 186088 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 746228

[startup+25.5004 s]
/proc/loadavg: 1.00 1.00 0.93 2/106 30454
/proc/meminfo: memFree=77660/2059040 swapFree=4139732/4192956
[pid=30451] ppid=30449 vsize=1667388 CPUtime=25.48
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 445330 0 0 0 2348 200 0 0 25 0 1 0 89903453 1707405312 413995 1992294400 134512640 136421960 4290792944 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30451/statm: 416847 413996 194 467 0 416378 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1667388



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+27.7007 s]
/proc/loadavg: 1.00 1.00 0.93 2/106 30454
/proc/meminfo: memFree=21152/2059040 swapFree=4138820/4192956
[pid=30451] ppid=30449 vsize=1864072 CPUtime=27.59
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4202496 496241 0 0 0 2531 228 0 0 25 0 1 0 89903453 1908809728 448522 1992294400 134512640 136421960 4290792944 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 0 0 0 8
/proc/30451/statm: 466018 448522 194 467 0 465549 0
Current children cumulated CPU time (s) 27.59
Current children cumulated vsize (KiB) 1864072

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

Sending SIGKILL to process tree (bottom up)

Sending SIGKILL to -30451

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

[startup+28.6078 s]
/proc/loadavg: 1.00 1.00 0.93 1/107 30455
/proc/meminfo: memFree=20524/2059040 swapFree=4138820/4192956
[pid=30451] ppid=30449 vsize=1864204 CPUtime=27.59
/proc/30451/stat : 30451 (pbct) S 30449 30451 29924 0 -1 4194304 496249 0 0 0 2531 228 0 0 25 0 1 0 89903453 1908944896 448530 1992294400 134512640 136421960 4290792944 18446744073709551615 135884462 0 16384 4096 16387 18446604435819700544 0 0 17 0 0 0 8
/proc/30451/statm: 466051 448530 195 467 0 465582 0
Current children cumulated CPU time (s) 27.59
Current children cumulated vsize (KiB) 1864204

[startup+29.4009 s]
/proc/loadavg: 1.00 1.00 0.93 1/107 30455
/proc/meminfo: memFree=20524/2059040 swapFree=4138820/4192956
[pid=30451] ppid=30449 vsize=1864204 CPUtime=27.59
/proc/30451/stat : 30451 (pbct) S 30449 30451 29924 0 -1 4194304 496249 0 0 0 2531 228 0 0 25 0 1 0 89903453 1908944896 448530 1992294400 134512640 136421960 4290792944 18446744073709551615 135884462 0 16384 4096 16387 18446604435819700544 0 0 17 0 0 0 8
/proc/30451/statm: 466051 448530 195 467 0 465582 0
Current children cumulated CPU time (s) 27.59
Current children cumulated vsize (KiB) 1864204

[startup+29.8009 s]
/proc/loadavg: 1.00 1.00 0.93 1/107 30455
/proc/meminfo: memFree=20524/2059040 swapFree=4138820/4192956
[pid=30451] ppid=30449 vsize=0 CPUtime=27.68
/proc/30451/stat : 30451 (pbct) R 30449 30451 29924 0 -1 4195332 496249 0 0 0 2531 237 0 0 18 0 1 0 89903453 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 8
/proc/30451/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 27.68
Current children cumulated vsize (KiB) 0

Child ended because it received signal 9 (SIGKILL)
Real time (s): 29.8804
CPU time (s): 27.7718
CPU user time (s): 25.3142
CPU system time (s): 2.45763
CPU usage (%): 92.943
Max. virtual memory (cumulated for all children) (KiB): 1864204

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 25.3142
system time used= 2.45763
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 496249
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= 4
involuntary context switches= 95

runsolver used 0.067989 second user time and 0.142978 second system time

The end

Launcher Data 

Begin job on node080 at 2010-06-25 19:15:03
IDJOB=2681927
IDBENCH=2369
IDSOLVER=1192
FILE ID=node080/2681927-1277486102
PBS_JOBID= 11190488
Free space on /tmp= 62268 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/pub/unibo/normalized-mps-v2-20-10-NSR8K.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681927-1277486102/watcher-2681927-1277486102 -o /tmp/evaluation-result-2681927-1277486102/solver-2681927-1277486102 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681927-1277486102.opb

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

MD5SUM BENCH= cc5d7ea426a09a5b1cb030d82bbe1743
RANDOM SEED=1679498041

node080.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		: 3000.242
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	: 6000.48
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		: 3000.242
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	: 5999.49
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1713500 kB
Buffers:         60332 kB
Cached:         184844 kB
SwapCached:       6228 kB
Active:          97064 kB
Inactive:       161936 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1713500 kB
SwapTotal:     4192956 kB
SwapFree:      4139732 kB
Dirty:           18392 kB
Writeback:           0 kB
AnonPages:       12428 kB
Mapped:          12012 kB
Slab:            64768 kB
PageTables:       4080 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183772 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= 62268 MiB
End job on node080 at 2010-06-25 19:15:33