Trace number 2080844

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
pcs 0.3.2? (MO) 465.999 470.455

General information on the benchmark

Namecsp/langford3/
normalized-langford-3-16.xml
MD5SUM17d5a229380d5fbf34b59ff6e8d706d0
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables48
Number of constraints1160
Maximum constraint arity2
Maximum domain size48
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1160
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c has big domains
0.00/0.02	c big-domain mode
0.17/0.21	c Seed is 1239972210
0.17/0.21	c Constructing HOME/instance-2080844-1247718874.xml 
0.17/0.21	c deduced all_different(V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,V20,V21,V22,V23,V24,V25,V26,V27,V28,V29,V30,V31,V32,V33,V34,V35,V36,V37,V38,V39,V40,V41,V42,V43,V44,V45,V46,V47,V0)
0.17/0.21	c  with 1161 constraints
0.17/0.21	c Solving

Verifier Data 

ERROR: Unexpected answer ! ('s SATISFIABLE'/'s UNSATISFIABLE' expected)
Got answer: <no 's ' line 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-2080844-1247718874/watcher-2080844-1247718874 -o /tmp/evaluation-result-2080844-1247718874/solver-2080844-1247718874 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 1239972210 HOME/instance-2080844-1247718874.xml 

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): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.92 1.99 1.99 4/82 13699
/proc/meminfo: memFree=1379808/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=5356 CPUtime=0
/proc/13699/stat : 13699 (pcssolve) R 13697 13699 12276 0 -1 4194304 290 0 0 0 0 0 0 0 21 0 1 0 58953517 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 264907582111 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/13699/statm: 1339 241 200 169 0 50 0
[pid=13700] ppid=13699 vsize=5356 CPUtime=0
/proc/13700/stat : 13700 (pcssolve) R 13699 13699 12276 0 -1 4194368 21 0 0 0 0 0 0 0 21 0 1 0 58953518 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 264907749989 0 0 4100 65536 0 0 0 17 1 0 0
/proc/13700/statm: 1339 243 202 169 0 50 0
[pid=13701] ppid=13699 vsize=5356 CPUtime=0
/proc/13701/stat : 13701 (pcssolve) R 13699 13699 12276 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 58953518 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 264907582111 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/13701/statm: 1339 241 200 169 0 50 0

[startup+0.118878 s]
/proc/loadavg: 1.92 1.99 1.99 4/82 13699
/proc/meminfo: memFree=1379808/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=4944 CPUtime=0.09
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 938 656 0 0 9 0 0 0 18 0 1 0 58953517 5062656 569 996147200 134512640 135215973 4294956304 18446744073709551615 7451549 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 1236 569 408 171 0 161 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4944

[startup+0.20189 s]
/proc/loadavg: 1.92 1.99 1.99 4/82 13699
/proc/meminfo: memFree=1379808/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=5076 CPUtime=0.17
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 974 656 0 0 17 0 0 0 18 0 1 0 58953517 5197824 605 996147200 134512640 135215973 4294956304 18446744073709551615 134597839 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 1269 605 408 171 0 194 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 5076

[startup+0.301907 s]
/proc/loadavg: 1.92 1.99 1.99 4/82 13699
/proc/meminfo: memFree=1379808/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=5340 CPUtime=0.27
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 1034 656 0 0 27 0 0 0 19 0 1 0 58953517 5468160 665 996147200 134512640 135215973 4294956304 18446744073709551615 4158960001 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 1335 665 408 171 0 260 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 5340

[startup+0.701963 s]
/proc/loadavg: 1.92 1.99 1.99 4/82 13699
/proc/meminfo: memFree=1379808/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=6264 CPUtime=0.67
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 1258 656 0 0 67 0 0 0 23 0 1 0 58953517 6414336 889 996147200 134512640 135215973 4294956304 18446744073709551615 4158961393 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 1566 889 408 171 0 491 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 6264

[startup+1.50108 s]
/proc/loadavg: 1.92 1.99 1.99 3/83 13704
/proc/meminfo: memFree=1377048/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=7840 CPUtime=1.46
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 1666 656 0 0 145 1 0 0 25 0 1 0 58953517 8028160 1297 996147200 134512640 135215973 4294956304 18446744073709551615 7451222 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 1960 1297 408 171 0 885 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 7840

[startup+3.10231 s]
/proc/loadavg: 1.92 1.99 1.99 4/83 13704
/proc/meminfo: memFree=1374296/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=11652 CPUtime=3.05
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 2610 656 0 0 304 1 0 0 25 0 1 0 58953517 11931648 2208 996147200 134512640 135215973 4294956304 18446744073709551615 7447888 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 2913 2208 408 171 0 1838 0
Current children cumulated CPU time (s) 3.05
Current children cumulated vsize (KiB) 11652

[startup+6.30178 s]
/proc/loadavg: 1.93 1.99 1.99 4/83 13704
/proc/meminfo: memFree=1367192/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=18316 CPUtime=6.22
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 4339 656 0 0 620 2 0 0 25 0 1 0 58953517 18755584 3872 996147200 134512640 135215973 4294956304 18446744073709551615 134590021 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 4579 3872 408 171 0 3504 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 18316

[startup+12.7017 s]
/proc/loadavg: 1.93 1.99 1.99 3/83 13704
/proc/meminfo: memFree=1352664/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=32596 CPUtime=12.56
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 8044 656 0 0 1252 4 0 0 25 0 1 0 58953517 33378304 7415 996147200 134512640 135215973 4294956304 18446744073709551615 134983169 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 8149 7415 408 171 0 7074 0
Current children cumulated CPU time (s) 12.56
Current children cumulated vsize (KiB) 32596

[startup+25.5016 s]
/proc/loadavg: 1.95 1.99 1.99 3/83 13704
/proc/meminfo: memFree=1324888/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=59568 CPUtime=25.24
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 15056 656 0 0 2516 8 0 0 25 0 1 0 58953517 60997632 14105 996147200 134512640 135215973 4294956304 18446744073709551615 135098252 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 14892 14105 408 171 0 13817 0
Current children cumulated CPU time (s) 25.24
Current children cumulated vsize (KiB) 59568

[startup+51.1013 s]
/proc/loadavg: 1.96 1.99 1.99 3/83 13704
/proc/meminfo: memFree=1272536/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=114208 CPUtime=50.59
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 29170 656 0 0 5042 17 0 0 25 0 1 0 58953517 116948992 27577 996147200 134512640 135215973 4294956304 18446744073709551615 134933498 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 28552 27577 408 171 0 27477 0
Current children cumulated CPU time (s) 50.59
Current children cumulated vsize (KiB) 114208

[startup+102.302 s]
/proc/loadavg: 1.98 1.99 1.99 3/82 13704
/proc/meminfo: memFree=1170392/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=214440 CPUtime=101.31
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 55162 656 0 0 10098 33 0 0 25 0 1 0 58953517 219586560 52544 996147200 134512640 135215973 4294956304 18446744073709551615 134677359 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 53610 52544 408 171 0 52535 0
Current children cumulated CPU time (s) 101.31
Current children cumulated vsize (KiB) 214440

[startup+162.302 s]
/proc/loadavg: 1.99 1.99 1.99 4/82 13704
/proc/meminfo: memFree=1053080/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=337400 CPUtime=160.74
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 87033 656 0 0 16023 51 0 0 25 0 1 0 58953517 345497600 82109 996147200 134512640 135215973 4294956304 18446744073709551615 134591004 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 84350 82109 408 171 0 83275 0
Current children cumulated CPU time (s) 160.74
Current children cumulated vsize (KiB) 337400

[startup+222.307 s]
/proc/loadavg: 1.99 1.99 1.99 3/82 13704
/proc/meminfo: memFree=936344/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=448528 CPUtime=220.18
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 115856 656 0 0 21948 70 0 0 25 0 1 0 58953517 459292672 110932 996147200 134512640 135215973 4294956304 18446744073709551615 7446500 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 112132 110932 408 171 0 111057 0
Current children cumulated CPU time (s) 220.18
Current children cumulated vsize (KiB) 448528

[startup+282.303 s]
/proc/loadavg: 1.99 1.99 1.99 3/82 13704
/proc/meminfo: memFree=819672/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=580476 CPUtime=279.61
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 149887 656 0 0 27871 90 0 0 25 0 1 0 58953517 594407424 140353 996147200 134512640 135215973 4294956304 18446744073709551615 134917380 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 145119 140353 408 171 0 144044 0
Current children cumulated CPU time (s) 279.61
Current children cumulated vsize (KiB) 580476

[startup+342.302 s]
/proc/loadavg: 1.99 1.99 1.99 3/82 13704
/proc/meminfo: memFree=701912/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=692580 CPUtime=339.04
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 179000 656 0 0 33796 108 0 0 25 0 1 0 58953517 709201920 169466 996147200 134512640 135215973 4294956304 18446744073709551615 134930367 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 173145 169466 408 171 0 172070 0
Current children cumulated CPU time (s) 339.04
Current children cumulated vsize (KiB) 692580

[startup+402.302 s]
/proc/loadavg: 1.99 1.99 1.99 3/82 13704
/proc/meminfo: memFree=588440/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=802788 CPUtime=398.48
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 207593 656 0 0 39721 127 0 0 25 0 1 0 58953517 822054912 198059 996147200 134512640 135215973 4294956304 18446744073709551615 134583202 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 200697 198059 408 171 0 199622 0
Current children cumulated CPU time (s) 398.48
Current children cumulated vsize (KiB) 802788

[startup+462.301 s]
/proc/loadavg: 2.03 2.00 2.00 3/82 13704
/proc/meminfo: memFree=478808/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=906988 CPUtime=457.91
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 234702 656 0 0 45647 144 0 0 25 0 1 0 58953517 928755712 225168 996147200 134512640 135215973 4294956304 18446744073709551615 134584175 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 226747 225168 408 171 0 225672 0
Current children cumulated CPU time (s) 457.91
Current children cumulated vsize (KiB) 906988



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+470.302 s]
/proc/loadavg: 2.17 2.03 2.01 3/82 13704
/proc/meminfo: memFree=463064/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=921668 CPUtime=465.84
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4194304 238515 656 0 0 46438 146 0 0 25 0 1 0 58953517 943788032 228981 996147200 134512640 135215973 4294956304 18446744073709551615 4159346061 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 230417 228981 408 171 0 229342 0
Current children cumulated CPU time (s) 465.84
Current children cumulated vsize (KiB) 921668

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

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

[startup+470.409 s]
/proc/loadavg: 2.17 2.03 2.01 3/82 13704
/proc/meminfo: memFree=463064/2055920 swapFree=4192812/4192956
[pid=13699] ppid=13697 vsize=0 CPUtime=465.94
/proc/13699/stat : 13699 (pcs.big) R 13697 13699 12276 0 -1 4195332 238515 656 0 0 46438 156 0 0 25 0 1 0 58953517 0 0 996147200 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/13699/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 465.94
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 470.455
CPU time (s): 465.999
CPU user time (s): 464.386
CPU system time (s): 1.61275
CPU usage (%): 99.053
Max. virtual memory (cumulated for all children) (KiB): 921668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 464.386
system time used= 1.61275
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 239171
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= 19
involuntary context switches= 10270

runsolver used 0.491925 second user time and 1.65975 second system time

The end

Launcher Data 

Begin job on node30 at 2009-07-16 06:34:34
IDJOB=2080844
IDBENCH=57184
IDSOLVER=733
FILE ID=node30/2080844-1247718874
PBS_JOBID= 9521469
Free space on /tmp= 66284 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/langford3/normalized-langford-3-16.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2080844-1247718874/watcher-2080844-1247718874 -o /tmp/evaluation-result-2080844-1247718874/solver-2080844-1247718874 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 1239972210 HOME/instance-2080844-1247718874.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 17d5a229380d5fbf34b59ff6e8d706d0
RANDOM SEED=1239972210

node30.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.277
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		: 3000.277
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:       1380224 kB
Buffers:         77612 kB
Cached:         369760 kB
SwapCached:          0 kB
Active:         189884 kB
Inactive:       402064 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1380224 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1860 kB
Writeback:           0 kB
Mapped:         165028 kB
Slab:            68704 kB
Committed_AS:   682732 kB
PageTables:       2040 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= 66284 MiB
End job on node30 at 2009-07-16 06:42:26