Trace number 2082887

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
Mistral 1.545SAT 0.709891 0.713325

DiagnosticValue
ASSIGNMENTS1682
CHECKS4950410
NODES1682

General information on the benchmark

Namecsp/os-gp/
normalized-gp10-03-1081.xml
MD5SUMd9935def6afe629dc3faf8b019c1286c
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.709891
Satisfiable
(Un)Satisfiability was proved
Number of variables101
Number of constraints1000
Maximum constraint arity2
Maximum domain size1082
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1000
Global constraints used (with number of constraints)

Solver Data 

0.00/0.00	c mistral version 1.545
0.69/0.70	s SATISFIABLE
0.69/0.70	v 1081 876 1059 164 115 124 1062 96 342 0 908 908 813 31 0 776 817 659 1080 1076 148 399 1012 1080 481 110 0 134 1013 314 1061 607 817 326 1072 181 659 1071 182 844 14 659 1062 319 98 0 908 320 115 220 907 17 0 28 90 185 1073 776 1071 91 1080 25 829 1009 1006 826 63 1073 0 578 13 517 2 1 1013 1080 607 1072 902 1078 638 56 1022 607 1080 1077 606 0 1061 413 1059 499 530 0 127 829 1077 115 2 1079 1
0.69/0.70	d CHECKS 4950414
0.69/0.70	d ASSIGNMENTS 1682
0.69/0.70	d NODES 1682 BACKTRACKS 1502 FAILURES 1502 RUNTIME 0.65 TOTALTIME 0.69 NODES/s 2587.69 CHECKS/s 7.61602e+06

Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2082887-1247376061/watcher-2082887-1247376061 -o /tmp/evaluation-result-2082887-1247376061/solver-2082887-1247376061 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2082887-1247376061.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: 2.02 2.02 2.00 4/83 24078
/proc/meminfo: memFree=1395200/2055920 swapFree=4192952/4192956
[pid=24078] ppid=24076 vsize=4944 CPUtime=0
/proc/24078/stat : 24078 (ld-linux.so.2) R 24076 24078 22322 0 -1 4194304 462 0 0 0 0 0 0 0 18 0 1 0 24669443 5062656 441 996147200 1448431616 1448550632 4294956208 18446744073709551615 134525307 0 0 4096 0 0 0 0 17 0 0 0
/proc/24078/statm: 1236 442 377 29 0 51 0

[startup+0.0265071 s]
/proc/loadavg: 2.02 2.02 2.00 4/83 24078
/proc/meminfo: memFree=1395200/2055920 swapFree=4192952/4192956
[pid=24078] ppid=24076 vsize=5460 CPUtime=0.01
/proc/24078/stat : 24078 (ld-linux.so.2) R 24076 24078 22322 0 -1 4194304 566 0 0 0 1 0 0 0 18 0 1 0 24669443 5591040 545 996147200 1448431616 1448550632 4294956208 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/24078/statm: 1365 546 378 29 0 180 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 5460

[startup+0.102515 s]
/proc/loadavg: 2.02 2.02 2.00 4/83 24078
/proc/meminfo: memFree=1395200/2055920 swapFree=4192952/4192956
[pid=24078] ppid=24076 vsize=8128 CPUtime=0.09
/proc/24078/stat : 24078 (ld-linux.so.2) R 24076 24078 22322 0 -1 4194304 1294 0 0 0 9 0 0 0 18 0 1 0 24669443 8323072 1273 996147200 1448431616 1448550632 4294956208 18446744073709551615 134824169 0 0 4096 0 0 0 0 17 0 0 0
/proc/24078/statm: 2032 1273 421 29 0 847 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8128

[startup+0.301534 s]
/proc/loadavg: 2.02 2.02 2.00 4/83 24078
/proc/meminfo: memFree=1395200/2055920 swapFree=4192952/4192956
[pid=24078] ppid=24076 vsize=8128 CPUtime=0.29
/proc/24078/stat : 24078 (ld-linux.so.2) R 24076 24078 22322 0 -1 4194304 1297 0 0 0 29 0 0 0 19 0 1 0 24669443 8323072 1276 996147200 1448431616 1448550632 4294956208 18446744073709551615 135220075 0 0 4096 0 0 0 0 17 0 0 0
/proc/24078/statm: 2032 1276 421 29 0 847 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8128

[startup+0.702287 s]
/proc/loadavg: 2.02 2.02 2.00 4/83 24078
/proc/meminfo: memFree=1395200/2055920 swapFree=4192952/4192956
[pid=24078] ppid=24076 vsize=8260 CPUtime=0.69
/proc/24078/stat : 24078 (ld-linux.so.2) R 24076 24078 22322 0 -1 4194304 1317 0 0 0 69 0 0 0 23 0 1 0 24669443 8458240 1296 996147200 1448431616 1448550632 4294956208 18446744073709551615 135216021 0 0 4096 0 0 0 0 17 0 0 0
/proc/24078/statm: 2065 1296 421 29 0 880 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8260

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

Child status: 0
Real time (s): 0.713325
CPU time (s): 0.709891
CPU user time (s): 0.701893
CPU system time (s): 0.007998
CPU usage (%): 99.5186
Max. virtual memory (cumulated for all children) (KiB): 8260

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.701893
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1358
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= 24
involuntary context switches= 9

runsolver used 0.005999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node56 at 2009-07-12 07:21:01
IDJOB=2082887
IDBENCH=57650
IDSOLVER=769
FILE ID=node56/2082887-1247376061
PBS_JOBID= 9507122
Free space on /tmp= 103048 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/os-gp/normalized-gp10-03-1081.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2082887-1247376061/watcher-2082887-1247376061 -o /tmp/evaluation-result-2082887-1247376061/solver-2082887-1247376061 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2082887-1247376061.xml

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

MD5SUM BENCH= d9935def6afe629dc3faf8b019c1286c
RANDOM SEED=849447023

node56.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		: 3000.209
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		: 3000.209
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:       1395680 kB
Buffers:         81444 kB
Cached:         368168 kB
SwapCached:          4 kB
Active:         278292 kB
Inactive:       302244 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1395680 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:            1312 kB
Writeback:           0 kB
Mapped:         151336 kB
Slab:            64544 kB
Committed_AS:   354652 kB
PageTables:       2164 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= 103048 MiB
End job on node56 at 2009-07-12 07:21:02