Trace number 2087731

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-restart 0.3.2UNSAT 47.0259 47.2244

DiagnosticValue
ASSIGNMENTS48290

General information on the benchmark

Namecsp/os-taillard-7/
normalized-os-taillard-7-95-6.xml
MD5SUMe78566b5f352b94a6ae6ba86db300b0a
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.075988
Satisfiable
(Un)Satisfiability was proved
Number of variables49
Number of constraints294
Maximum constraint arity2
Maximum domain size397
Number of constraints which are defined in extension0
Number of constraints which are defined in intension294
Global constraints used (with number of constraints)

Solver Data 

0.00/0.01	c has big domains
0.00/0.01	c big-domain mode
0.00/0.01	c Seed is 719201191
0.00/0.01	c Constructing HOME/instance-2087731-1247728273.xml  with 2058 constraints
0.02/0.04	c Solving 48290 backtracks 18 restarts
46.99/47.21	s UNSATISFIABLE
46.99/47.21	d ASSIGNMENTS 48290

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2087731-1247728273/watcher-2087731-1247728273 -o /tmp/evaluation-result-2087731-1247728273/solver-2087731-1247728273 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 719201191 HOME/instance-2087731-1247728273.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: 1.96 1.98 1.99 4/82 15969
/proc/meminfo: memFree=1641008/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=5356 CPUtime=0
/proc/15969/stat : 15969 (pcssolve) S 15967 15969 14642 0 -1 4194304 339 317 0 0 0 0 0 0 21 0 1 0 59892650 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 243665527620 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15969/statm: 1339 242 201 169 0 50 0
[pid=15972] ppid=15969 vsize=5356 CPUtime=0
/proc/15972/stat : 15972 (pcssolve) R 15969 15969 14642 0 -1 4194368 21 0 0 0 0 0 0 0 24 0 1 0 59892650 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 243665530151 0 0 4096 0 0 0 0 17 0 0 0
/proc/15972/statm: 1339 243 202 169 0 50 0
[pid=15973] ppid=15969 vsize=3676 CPUtime=0
/proc/15973/stat : 15973 (grep) S 15969 15969 14642 0 -1 4194304 158 0 0 0 0 0 0 0 21 0 1 0 59892651 3764224 125 996147200 4194304 4274172 548682068976 18446744073709551615 243665698898 0 0 4096 0 18446744071563648864 0 0 17 1 0 0
/proc/15973/statm: 919 125 101 19 0 43 0

[startup+0.033978 s]
/proc/loadavg: 1.96 1.98 1.99 4/82 15969
/proc/meminfo: memFree=1641008/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=4964 CPUtime=0.02
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 915 660 0 0 2 0 0 0 24 0 1 0 59892650 5083136 546 996147200 134512640 135215973 4294956304 18446744073709551615 7253598 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 1241 546 388 171 0 166 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4964

[startup+0.101992 s]
/proc/loadavg: 1.96 1.98 1.99 4/82 15969
/proc/meminfo: memFree=1641008/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=5944 CPUtime=0.08
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 1172 660 0 0 8 0 0 0 24 0 1 0 59892650 6086656 803 996147200 134512640 135215973 4294956304 18446744073709551615 4158960480 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 1486 803 406 171 0 411 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5944

[startup+0.302026 s]
/proc/loadavg: 1.96 1.98 1.99 4/82 15969
/proc/meminfo: memFree=1641008/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=6200 CPUtime=0.28
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 1227 660 0 0 28 0 0 0 25 0 1 0 59892650 6348800 858 996147200 134512640 135215973 4294956304 18446744073709551615 134591100 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 1550 858 406 171 0 475 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 6200

[startup+0.701099 s]
/proc/loadavg: 1.96 1.98 1.99 4/82 15969
/proc/meminfo: memFree=1641008/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=6880 CPUtime=0.68
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 1379 660 0 0 68 0 0 0 25 0 1 0 59892650 7045120 1010 996147200 134512640 135215973 4294956304 18446744073709551615 134976668 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 1720 1010 406 171 0 645 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 6880

[startup+1.50124 s]
/proc/loadavg: 1.96 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1638120/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=7888 CPUtime=1.47
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 1677 660 0 0 147 0 0 0 25 0 1 0 59892650 8077312 1275 996147200 134512640 135215973 4294956304 18446744073709551615 134591939 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 1972 1275 406 171 0 897 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 7888

[startup+3.10154 s]
/proc/loadavg: 1.96 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1636264/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=10552 CPUtime=3.08
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 2411 660 0 0 307 1 0 0 25 0 1 0 59892650 10805248 1911 996147200 134512640 135215973 4294956304 18446744073709551615 134648548 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 2638 1911 406 171 0 1563 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 10552

[startup+6.30112 s]
/proc/loadavg: 1.96 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1631208/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=15320 CPUtime=6.26
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 3719 660 0 0 624 2 0 0 25 0 1 0 59892650 15687680 3090 996147200 134512640 135215973 4294956304 18446744073709551615 134591887 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 3830 3090 406 171 0 2755 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 15320

[startup+12.7013 s]
/proc/loadavg: 1.97 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1620968/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=25324 CPUtime=12.64
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 6498 660 0 0 1260 4 0 0 25 0 1 0 59892650 25931776 5547 996147200 134512640 135215973 4294956304 18446744073709551615 7253602 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 6331 5547 406 171 0 5256 0
Current children cumulated CPU time (s) 12.64
Current children cumulated vsize (KiB) 25324

[startup+25.5016 s]
/proc/loadavg: 1.97 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1602088/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=44484 CPUtime=25.38
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 11776 660 0 0 2531 7 0 0 25 0 1 0 59892650 45551616 10130 996147200 134512640 135215973 4294956304 18446744073709551615 134583710 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 11121 10130 406 171 0 10046 0
Current children cumulated CPU time (s) 25.38
Current children cumulated vsize (KiB) 44484

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

[startup+38.3019 s]
/proc/loadavg: 1.98 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1583976/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=66868 CPUtime=38.13
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 17894 660 0 0 3803 10 0 0 25 0 1 0 59892650 68472832 14966 996147200 134512640 135215973 4294956304 18446744073709551615 134902586 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 16717 14966 406 171 0 15642 0
Current children cumulated CPU time (s) 38.13
Current children cumulated vsize (KiB) 66868

[startup+41.5015 s]
/proc/loadavg: 1.98 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1578856/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=71244 CPUtime=41.32
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 19122 660 0 0 4121 11 0 0 25 0 1 0 59892650 72953856 16194 996147200 134512640 135215973 4294956304 18446744073709551615 4158960067 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 17811 16194 406 171 0 16736 0
Current children cumulated CPU time (s) 41.32
Current children cumulated vsize (KiB) 71244

[startup+44.7011 s]
/proc/loadavg: 1.98 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1572776/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=77020 CPUtime=44.51
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 20699 660 0 0 4439 12 0 0 25 0 1 0 59892650 78868480 17771 996147200 134512640 135215973 4294956304 18446744073709551615 134591100 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 19255 17771 406 171 0 18180 0
Current children cumulated CPU time (s) 44.51
Current children cumulated vsize (KiB) 77020

[startup+46.3014 s]
/proc/loadavg: 1.98 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1568296/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=80024 CPUtime=46.09
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 21534 660 0 0 4597 12 0 0 25 0 1 0 59892650 81944576 18606 996147200 134512640 135215973 4294956304 18446744073709551615 134679529 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 20006 18606 406 171 0 18931 0
Current children cumulated CPU time (s) 46.09
Current children cumulated vsize (KiB) 80024

[startup+46.7015 s]
/proc/loadavg: 1.98 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1568296/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=80276 CPUtime=46.49
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 21621 660 0 0 4637 12 0 0 25 0 1 0 59892650 82202624 18693 996147200 134512640 135215973 4294956304 18446744073709551615 134597454 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 20069 18693 406 171 0 18994 0
Current children cumulated CPU time (s) 46.49
Current children cumulated vsize (KiB) 80276

[startup+47.1015 s]
/proc/loadavg: 1.98 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1568296/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=80772 CPUtime=46.89
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 21749 660 0 0 4677 12 0 0 25 0 1 0 59892650 82710528 18821 996147200 134512640 135215973 4294956304 18446744073709551615 7218690 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 20193 18821 406 171 0 19118 0
Current children cumulated CPU time (s) 46.89
Current children cumulated vsize (KiB) 80772

[startup+47.2016 s]
/proc/loadavg: 1.98 1.98 1.99 3/83 15974
/proc/meminfo: memFree=1568296/2055920 swapFree=4192812/4192956
[pid=15969] ppid=15967 vsize=78720 CPUtime=46.99
/proc/15969/stat : 15969 (pcs.big) R 15967 15969 14642 0 -1 4194304 21749 660 0 0 4687 12 0 0 25 0 1 0 59892650 80609280 18427 996147200 134512640 135215973 4294956304 18446744073709551615 134532677 0 0 4096 0 0 0 0 17 0 0 0
/proc/15969/statm: 19680 18427 406 171 0 18605 0
Current children cumulated CPU time (s) 46.99
Current children cumulated vsize (KiB) 78720

Child status: 0
Real time (s): 47.2244
CPU time (s): 47.0259
CPU user time (s): 46.8829
CPU system time (s): 0.142978
CPU usage (%): 99.5795
Max. virtual memory (cumulated for all children) (KiB): 80772

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 46.8829
system time used= 0.142978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 22412
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= 16
involuntary context switches= 682

runsolver used 0.041993 second user time and 0.140978 second system time

The end

Launcher Data 

Begin job on node84 at 2009-07-16 09:11:13
IDJOB=2087731
IDBENCH=58791
IDSOLVER=734
FILE ID=node84/2087731-1247728273
PBS_JOBID= 9521526
Free space on /tmp= 66184 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/os-taillard-7/normalized-os-taillard-7-95-6.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2087731-1247728273/watcher-2087731-1247728273 -o /tmp/evaluation-result-2087731-1247728273/solver-2087731-1247728273 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 719201191 HOME/instance-2087731-1247728273.xml

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

MD5SUM BENCH= e78566b5f352b94a6ae6ba86db300b0a
RANDOM SEED=719201191

node84.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		: 3000.259
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		: 3000.259
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1641424 kB
Buffers:         77856 kB
Cached:         215020 kB
SwapCached:          0 kB
Active:         119112 kB
Inactive:       206816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1641424 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1784 kB
Writeback:           0 kB
Mapped:          53312 kB
Slab:            73740 kB
Committed_AS:   532448 kB
PageTables:       1832 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= 66180 MiB
End job on node84 at 2009-07-16 09:12:00