Trace number 2681949

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) 38.7781 38.7888

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-wood1p.opb
MD5SUM360101c0d249c34bf56133c11582c641
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 variables77820
Total number of constraints244
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 constraints244
Minimum length of a constraint30
Maximum length of a constraint77760
Number of terms in the objective function 30
Biggest coefficient in the objective function 536870912
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 1073741823
Number of bits of the sum of numbers in the objective function 30
Biggest number in a constraint 53687091200000000
Number of bits of the biggest number in a constraint 56
Biggest sum of numbers in a constraint 66413144120266880244
Number of bits of the biggest sum of numbers66
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
7.99/8.06	c constraints 244/0 clauses 0/0 units 0
7.99/8.06	c vars 77820
7.99/8.06	c objective 30 + 0
38.59/38.60	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-2681949-1277487262/watcher-2681949-1277487262 -o /tmp/evaluation-result-2681949-1277487262/solver-2681949-1277487262 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681949-1277487262.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: 0.99 0.97 0.92 3/106 29777
/proc/meminfo: memFree=1769204/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=2420 CPUtime=0
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 293 0 0 0 0 0 0 0 15 0 1 0 90021613 2478080 213 1992294400 134512640 136421960 4291280288 18446744073709551615 134531226 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 605 213 140 467 0 136 0

[startup+0.050275 s]
/proc/loadavg: 0.99 0.97 0.92 3/106 29777
/proc/meminfo: memFree=1769204/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=3148 CPUtime=0.04
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 485 0 0 0 4 0 0 0 18 0 1 0 90021613 3223552 372 1992294400 134512640 136421960 4291280288 18446744073709551615 135380465 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 787 372 145 467 0 318 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3148

[startup+0.101281 s]
/proc/loadavg: 0.99 0.97 0.92 3/106 29777
/proc/meminfo: memFree=1769204/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=4144 CPUtime=0.09
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 695 0 0 0 9 0 0 0 18 0 1 0 90021613 4243456 582 1992294400 134512640 136421960 4291280288 18446744073709551615 135830551 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 1036 582 145 467 0 567 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4144

[startup+0.301305 s]
/proc/loadavg: 0.99 0.97 0.92 3/106 29777
/proc/meminfo: memFree=1769204/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=7960 CPUtime=0.29
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 1530 0 0 0 29 0 0 0 18 0 1 0 90021613 8151040 1417 1992294400 134512640 136421960 4291280288 18446744073709551615 135203233 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 1990 1417 145 467 0 1521 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7960

[startup+0.701352 s]
/proc/loadavg: 0.99 0.97 0.92 3/106 29777
/proc/meminfo: memFree=1769204/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=15580 CPUtime=0.69
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 3124 0 0 0 68 1 0 0 18 0 1 0 90021613 15953920 3011 1992294400 134512640 136421960 4291280288 18446744073709551615 135153452 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 3895 3012 145 467 0 3426 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15580

[startup+1.50145 s]
/proc/loadavg: 0.99 0.97 0.92 2/107 29778
/proc/meminfo: memFree=1753820/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=30536 CPUtime=1.49
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 6351 0 0 0 146 3 0 0 19 0 1 0 90021613 31268864 6238 1992294400 134512640 136421960 4291280288 18446744073709551615 135809578 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 7634 6238 145 467 0 7165 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 30536

[startup+3.10064 s]
/proc/loadavg: 0.99 0.97 0.92 2/107 29778
/proc/meminfo: memFree=1736088/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=58856 CPUtime=3.09
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 12703 0 0 0 302 7 0 0 23 0 1 0 90021613 60268544 12590 1992294400 134512640 136421960 4291280288 18446744073709551615 135372696 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 14714 12590 145 467 0 14245 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 58856

[startup+6.30101 s]
/proc/loadavg: 0.99 0.97 0.92 2/107 29778
/proc/meminfo: memFree=1685008/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=115692 CPUtime=6.29
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 25850 0 0 0 615 14 0 0 25 0 1 0 90021613 118468608 24623 1992294400 134512640 136421960 4291280288 18446744073709551615 135377342 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29777/statm: 28923 24623 145 467 0 28454 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 115692

[startup+12.7008 s]
/proc/loadavg: 0.99 0.97 0.92 2/107 29780
/proc/meminfo: memFree=1396708/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=437104 CPUtime=12.69
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 111196 0 0 0 1217 52 0 0 25 0 1 0 90021613 447594496 102413 1992294400 134512640 136421960 4291280288 18446744073709551615 134574800 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29777/statm: 109276 102414 195 467 0 108807 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 437104

[startup+25.5013 s]
/proc/loadavg: 0.99 0.97 0.92 2/107 29780
/proc/meminfo: memFree=697720/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=1130120 CPUtime=25.48
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 300886 0 0 0 2416 132 0 0 25 0 1 0 90021613 1157242880 271557 1992294400 134512640 136421960 4291280288 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29777/statm: 282530 271557 195 467 0 282061 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1130120



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+38.6008 s]
/proc/loadavg: 1.07 0.99 0.93 2/107 29780
/proc/meminfo: memFree=9724/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=1844236 CPUtime=38.59
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4202496 496158 0 0 0 3637 222 0 0 25 0 1 0 90021613 1888497664 440696 1992294400 134512640 136421960 4291280288 18446744073709551615 134597730 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29777/statm: 461059 440697 195 467 0 460590 0
Current children cumulated CPU time (s) 38.59
Current children cumulated vsize (KiB) 1844236

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

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

[startup+38.7088 s]
/proc/loadavg: 1.07 0.99 0.93 2/107 29780
/proc/meminfo: memFree=9724/2059040 swapFree=4140116/4192956
[pid=29777] ppid=29775 vsize=0 CPUtime=38.69
/proc/29777/stat : 29777 (pbct) R 29775 29777 28857 0 -1 4194308 496167 0 0 0 3637 232 0 0 25 0 1 0 90021613 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/29777/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 38.69
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 38.7888
CPU time (s): 38.7781
CPU user time (s): 36.3775
CPU system time (s): 2.40064
CPU usage (%): 99.9725
Max. virtual memory (cumulated for all children) (KiB): 1844236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 36.3775
system time used= 2.40063
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 496167
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= 24

runsolver used 0.06499 second user time and 0.199969 second system time

The end

Launcher Data 

Begin job on node033 at 2010-06-25 19:34:25
IDJOB=2681949
IDBENCH=2441
IDSOLVER=1192
FILE ID=node033/2681949-1277487262
PBS_JOBID= 11190511
Free space on /tmp= 62272 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-wood1p.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681949-1277487262/watcher-2681949-1277487262 -o /tmp/evaluation-result-2681949-1277487262/solver-2681949-1277487262 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681949-1277487262.opb

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

MD5SUM BENCH= 360101c0d249c34bf56133c11582c641
RANDOM SEED=1994485181

node033.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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1769732 kB
Buffers:         45740 kB
Cached:         143164 kB
SwapCached:       5352 kB
Active:          97760 kB
Inactive:       104192 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1769732 kB
SwapTotal:     4192956 kB
SwapFree:      4140116 kB
Dirty:           35448 kB
Writeback:           0 kB
AnonPages:       11544 kB
Mapped:          12012 kB
Slab:            65420 kB
PageTables:       4144 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182076 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= 62272 MiB
End job on node033 at 2010-06-25 19:35:06