Trace number 2683123

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) 34.9767 34.9849

General information on the benchmark

Name/OPT-BIGINT-LIN/aries-da_nrp/
normalized-aries-da_network_3000_5__126_2812__64.opb
MD5SUMac3f9f3932c1350445aa95096c36ebc2
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark105139
Best CPU time to get the best result obtained on this benchmark1801.92
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables962998
Total number of constraints18000
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)15002
Number of constraints which are nor clauses,nor cardinality constraints2998
Minimum length of a constraint64
Maximum length of a constraint2881
Number of terms in the objective function 960000
Biggest coefficient in the objective function 129631
Number of bits for the biggest coefficient in the objective function 17
Sum of the numbers in the objective function 32510505536
Number of bits of the sum of numbers in the objective function 35
Biggest number in a constraint 129631
Number of bits of the biggest number in a constraint 17
Biggest sum of numbers in a constraint 32510505536
Number of bits of the biggest sum of numbers35
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
11.88/11.99	c constraints 18000/0 clauses 0/0 units 0
11.88/11.99	c vars 962998
12.00/12.01	c objective 960000 + 0
34.79/34.80	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-2683123-1277507111/watcher-2683123-1277507111 -o /tmp/evaluation-result-2683123-1277507111/solver-2683123-1277507111 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2683123-1277507111.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: 2.06 3.93 2.61 3/106 31325
/proc/meminfo: memFree=1892332/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=2416 CPUtime=0
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 292 0 0 0 0 0 0 0 19 0 1 0 92002287 2473984 212 1992294400 134512640 136421960 4289269648 18446744073709551615 135160329 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 604 212 135 467 0 135 0

[startup+0.023446 s]
/proc/loadavg: 2.06 3.93 2.61 3/106 31325
/proc/meminfo: memFree=1892332/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=3004 CPUtime=0.02
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 450 0 0 0 2 0 0 0 21 0 1 0 92002287 3076096 337 1992294400 134512640 136421960 4289269648 18446744073709551615 135651408 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 751 338 135 467 0 282 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3004

[startup+0.101454 s]
/proc/loadavg: 2.06 3.93 2.61 3/106 31325
/proc/meminfo: memFree=1892332/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=5864 CPUtime=0.09
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 1331 0 0 0 9 0 0 0 21 0 1 0 92002287 6004736 878 1992294400 134512640 136421960 4289269648 18446744073709551615 135380588 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 1466 878 135 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.315605 s]
/proc/loadavg: 2.06 3.93 2.61 3/106 31325
/proc/meminfo: memFree=1892332/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=14284 CPUtime=0.31
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 3481 0 0 0 30 1 0 0 21 0 1 0 92002287 14626816 2578 1992294400 134512640 136421960 4289269648 18446744073709551615 135160329 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 3571 2585 135 467 0 3102 0
Current children cumulated CPU time (s) 0.31
Current children cumulated vsize (KiB) 14284

[startup+0.701512 s]
/proc/loadavg: 2.06 3.93 2.61 3/106 31325
/proc/meminfo: memFree=1892332/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=34856 CPUtime=0.69
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 9253 0 0 0 66 3 0 0 22 0 1 0 92002287 35692544 6297 1992294400 134512640 136421960 4289269648 18446744073709551615 135818225 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 8714 6297 135 467 0 8245 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 34856

[startup+1.50159 s]
/proc/loadavg: 2.06 3.93 2.61 2/107 31326
/proc/meminfo: memFree=1865416/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=59416 CPUtime=1.49
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 18717 0 0 0 143 6 0 0 25 0 1 0 92002287 60841984 10637 1992294400 134512640 136421960 4289269648 18446744073709551615 135372682 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 14854 10637 135 467 0 14385 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 59416

[startup+3.10075 s]
/proc/loadavg: 2.06 3.93 2.61 2/107 31326
/proc/meminfo: memFree=1838136/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=64828 CPUtime=3.09
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 23234 0 0 0 300 9 0 0 25 0 1 0 92002287 66383872 15154 1992294400 134512640 136421960 4289269648 18446744073709551615 135159045 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 16207 15154 137 467 0 15738 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 64828

[startup+6.30106 s]
/proc/loadavg: 2.13 3.91 2.61 2/107 31326
/proc/meminfo: memFree=1788288/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=133480 CPUtime=6.29
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 38905 0 0 0 614 15 0 0 25 0 1 0 92002287 136683520 30825 1992294400 134512640 136421960 4289269648 18446744073709551615 135805328 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31325/statm: 33370 30825 141 467 0 32901 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 133480

[startup+12.7007 s]
/proc/loadavg: 2.20 3.90 2.61 2/107 31326
/proc/meminfo: memFree=1625724/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=336144 CPUtime=12.69
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 88697 0 0 0 1231 38 0 0 25 0 1 0 92002287 344211456 80617 1992294400 134512640 136421960 4289269648 18446744073709551615 134632323 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31325/statm: 84036 80617 193 467 0 83567 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 336144

[startup+25.5009 s]
/proc/loadavg: 1.93 3.76 2.59 2/107 31326
/proc/meminfo: memFree=718540/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=1206880 CPUtime=25.48
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 319850 0 0 0 2407 141 0 0 25 0 1 0 92002287 1235845120 298443 1992294400 134512640 136421960 4289269648 18446744073709551615 135650560 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31325/statm: 301720 298443 193 467 0 301251 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1206880



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+34.8018 s]
/proc/loadavg: 1.79 3.66 2.57 2/107 31328
/proc/meminfo: memFree=67416/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=1847196 CPUtime=34.79
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4202496 488927 0 0 0 3263 216 0 0 25 0 1 0 92002287 1891528704 455620 1992294400 134512640 136421960 4289269648 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31325/statm: 461799 455621 193 467 0 461330 0
Current children cumulated CPU time (s) 34.79
Current children cumulated vsize (KiB) 1847196

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

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

[startup+34.9088 s]
/proc/loadavg: 1.79 3.66 2.57 2/107 31328
/proc/meminfo: memFree=67416/2059040 swapFree=4139460/4192956
[pid=31325] ppid=31323 vsize=0 CPUtime=34.89
/proc/31325/stat : 31325 (pbct) R 31323 31325 31134 0 -1 4194308 488936 0 0 0 3263 226 0 0 25 0 1 0 92002287 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/31325/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 34.89
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 34.9849
CPU time (s): 34.9767
CPU user time (s): 32.637
CPU system time (s): 2.33964
CPU usage (%): 99.9764
Max. virtual memory (cumulated for all children) (KiB): 1847196

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 32.637
system time used= 2.33964
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 488936
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= 458

runsolver used 0.06499 second user time and 0.172973 second system time

The end

Launcher Data 

Begin job on node056 at 2010-06-26 01:05:13
IDJOB=2683123
IDBENCH=71897
IDSOLVER=1192
FILE ID=node056/2683123-1277507111
PBS_JOBID= 11190645
Free space on /tmp= 98336 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-BIGINT-LIN/aries-da_nrp/normalized-aries-da_network_3000_5__126_2812__64.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2683123-1277507111/watcher-2683123-1277507111 -o /tmp/evaluation-result-2683123-1277507111/solver-2683123-1277507111 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2683123-1277507111.opb

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

MD5SUM BENCH= ac3f9f3932c1350445aa95096c36ebc2
RANDOM SEED=2075654622

node056.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		: 3000.215
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	: 6000.43
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		: 3000.215
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1892860 kB
Buffers:          2024 kB
Cached:          95352 kB
SwapCached:       4816 kB
Active:          73964 kB
Inactive:        34644 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1892860 kB
SwapTotal:     4192956 kB
SwapFree:      4139460 kB
Dirty:           46636 kB
Writeback:           0 kB
AnonPages:       11204 kB
Mapped:          11836 kB
Slab:            35628 kB
PageTables:       4100 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180512 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= 98336 MiB
End job on node056 at 2010-06-26 01:05:50