Trace number 454194

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, and are wall clock time (not CPU 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
PBS4 2007-03-23OPT-15 82.7564 82.7851

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mis/normalized-mis_100_25_2.opb
MD5SUMfdcfb05eaa099feeb8cfb1f8f1c05926
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-15
Best CPU time to get the best result obtained on this benchmark9.8815
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function -15
Optimality of the best value was proved YES
Number of variables100
Total number of constraints100
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 constraints100
Minimum length of a constraint25
Maximum length of a constraint45
Number of terms in the objective function 100
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)3074
Sum of products size (including duplicates)6148
Number of different products1537
Sum of products size3074

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/454194-1178022516/instance-454194-1178022516.opb ......
0.00/0.04	c done parsing opb.
0.00/0.04	o 93
0.00/0.04	o 92
0.00/0.04	o 91
0.00/0.04	o 88
0.09/0.14	o 87
14.19/14.24	o 86
49.08/49.11	o 85
82.67/82.77	o 85
82.67/82.77	s OPTIMUM FOUND
82.67/82.77	c Total Run Time					82.7074
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Verifier Data (download as text)

OK	-15

Conversion Script Data (download as text)

Linearizing /tmp/evaluation/454194-1178022516/instance-454194-1178022516.opb

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node3/watcher-454194-1178022516 -o ROOT/results/node3/solver-454194-1178022516 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/454194-1178022516/PBS4 /tmp/evaluation/454194-1178022516/instance-454194-1178022516.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 21231
/proc/meminfo: memFree=1829984/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=1612 CPUtime=0
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 196 0 0 0 0 0 0 0 18 0 1 0 278289413 1650688 179 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135006597 0 0 4096 0 0 0 0 17 1 0 0
/proc/21231/statm: 403 179 87 219 0 180 0

[startup+0.0689299 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 21231
/proc/meminfo: memFree=1829984/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=2148 CPUtime=0.06
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 396 0 0 0 6 0 0 0 18 0 1 0 278289413 2199552 379 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134532028 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 537 379 102 219 0 314 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2148

[startup+0.101935 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 21231
/proc/meminfo: memFree=1829984/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=2404 CPUtime=0.09
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 450 0 0 0 9 0 0 0 18 0 1 0 278289413 2461696 433 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134563269 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 601 433 103 219 0 378 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2404

[startup+0.301967 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 21231
/proc/meminfo: memFree=1829984/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=4080 CPUtime=0.29
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 754 0 0 0 29 0 0 0 19 0 1 0 278289413 4177920 737 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134590670 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 1020 737 103 219 0 797 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4080

[startup+0.701032 s]
/proc/loadavg: 0.86 0.97 0.99 3/77 21231
/proc/meminfo: memFree=1829984/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=6736 CPUtime=0.69
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 1201 0 0 0 69 0 0 0 23 0 1 0 278289413 6897664 1184 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 1684 1184 103 219 0 1461 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6736

[startup+1.50116 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1824088/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=12056 CPUtime=1.49
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 2110 0 0 0 148 1 0 0 25 0 1 0 278289413 12345344 2044 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 3014 2044 104 219 0 2791 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12056

[startup+3.10142 s]
/proc/loadavg: 0.86 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1820696/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=12972 CPUtime=3.09
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 2931 0 0 0 307 2 0 0 25 0 1 0 278289413 13283328 2865 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 3243 2865 104 219 0 3020 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12972

[startup+6.30194 s]
/proc/loadavg: 0.87 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1816152/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=22756 CPUtime=6.28
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 3895 0 0 0 625 3 0 0 25 0 1 0 278289413 23302144 3732 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 5689 3732 104 219 0 5466 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 22756

[startup+12.702 s]
/proc/loadavg: 0.88 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1811480/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=25156 CPUtime=12.69
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 5069 0 0 0 1262 7 0 0 25 0 1 0 278289413 25759744 4713 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 6289 4713 104 219 0 6066 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 25156

[startup+25.5011 s]
/proc/loadavg: 0.90 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1807512/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=26152 CPUtime=25.48
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 6037 0 0 0 2538 10 0 0 25 0 1 0 278289413 26779648 5681 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 6538 5681 104 219 0 6315 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 26152

[startup+51.1012 s]
/proc/loadavg: 0.94 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1800984/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=45808 CPUtime=51.07
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 8074 0 0 0 5090 17 0 0 25 0 1 0 278289413 46907392 7333 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 11452 7333 104 219 0 11229 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 45808

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

[startup+63.9013 s]
/proc/loadavg: 0.95 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1799640/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=46668 CPUtime=63.87
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 8400 0 0 0 6368 19 0 0 25 0 1 0 278289413 47788032 7659 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 11667 7659 104 219 0 11444 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 46668

[startup+70.3013 s]
/proc/loadavg: 0.95 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1799128/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=46848 CPUtime=70.28
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 8514 0 0 0 7007 21 0 0 25 0 1 0 278289413 47972352 7773 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 11712 7773 104 219 0 11489 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 46848

[startup+76.7014 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1797720/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=50108 CPUtime=76.67
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 9656 0 0 0 7644 23 0 0 25 0 1 0 278289413 51310592 8146 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 12527 8146 104 219 0 12304 0
Current children cumulated CPU time (s) 76.67
Current children cumulated vsize (KiB) 50108

[startup+79.9019 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1797400/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=50300 CPUtime=79.86
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 9718 0 0 0 7963 23 0 0 25 0 1 0 278289413 51507200 8208 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 12575 8208 104 219 0 12352 0
Current children cumulated CPU time (s) 79.86
Current children cumulated vsize (KiB) 50300

[startup+81.5011 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1797208/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=50696 CPUtime=81.46
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 9799 0 0 0 8123 23 0 0 25 0 1 0 278289413 51912704 8289 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 12674 8289 104 219 0 12451 0
Current children cumulated CPU time (s) 81.46
Current children cumulated vsize (KiB) 50696

[startup+82.3013 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1797208/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=50696 CPUtime=82.26
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 9918 0 0 0 8203 23 0 0 25 0 1 0 278289413 51912704 8408 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547089 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 12674 8408 104 219 0 12451 0
Current children cumulated CPU time (s) 82.26
Current children cumulated vsize (KiB) 50696

[startup+82.7013 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 21232
/proc/meminfo: memFree=1796504/2055920 swapFree=4139036/4192956
[pid=21231] ppid=21229 vsize=50696 CPUtime=82.67
/proc/21231/stat : 21231 (PBS4) R 21229 21231 20862 0 -1 4194304 9962 0 0 0 8243 24 0 0 25 0 1 0 278289413 51912704 8452 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547071 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21231/statm: 12674 8452 104 219 0 12451 0
Current children cumulated CPU time (s) 82.67
Current children cumulated vsize (KiB) 50696

Child status: 0
Real time (s): 82.7851
CPU time (s): 82.7564
CPU user time (s): 82.5095
CPU system time (s): 0.246962
CPU usage (%): 99.9653
Max. virtual memory (cumulated for all children) (KiB): 50696

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 82.5095
system time used= 0.246962
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9979
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= 9
involuntary context switches= 1708

runsolver used 0.068989 second user time and 0.19297 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Tue May  1 12:28:36 UTC 2007

IDJOB= 454194
IDBENCH= 48181
IDSOLVER= 157
FILE ID= node3/454194-1178022516

PBS_JOBID= 4728379

Free space on /tmp= 66563 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mis/normalized-mis_100_25_2.opb
COMMAND LINE= /tmp/evaluation/454194-1178022516/PBS4 /tmp/evaluation/454194-1178022516/instance-454194-1178022516.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node3/convwatcher-454194-1178022516 -o ROOT/results/node3/conversion-454194-1178022516 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/454194-1178022516/instance-454194-1178022516.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-454194-1178022516 -o ROOT/results/node3/solver-454194-1178022516 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/454194-1178022516/PBS4 /tmp/evaluation/454194-1178022516/instance-454194-1178022516.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  fdcfb05eaa099feeb8cfb1f8f1c05926

RANDOM SEED= 724809881

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.270
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.270
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1830456 kB
Buffers:         44812 kB
Cached:          99700 kB
SwapCached:      16784 kB
Active:         107000 kB
Inactive:        63340 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1830456 kB
SwapTotal:     4192956 kB
SwapFree:      4139036 kB
Dirty:            1408 kB
Writeback:           0 kB
Mapped:          32492 kB
Slab:            40636 kB
Committed_AS:  8419784 kB
PageTables:       1784 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66563 MiB

End job on node3 on Tue May  1 12:30:00 UTC 2007