Trace number 233290

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 NameAnswerCPU timeWall clock time
Tramontane 2006-12-04SAT 0.763882 0.7733

General information on the benchmark

Nametaillard/os-taillard-20/
os-taillard-20-105-1.xml
MD5SUM9d005d728c1360dc7f3c9368b8c3efe0
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 benchmark0.763882
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables400
Number of constraints7600
Maximum constraint arity2
Maximum domain size1399
Number of constraints which are defined in extension0
Number of constraints which are defined in intension7600
Global constraints used (with number of constraints)

Solver Data (download as text)

0.01	c 
0.01	c Parsing xml file
0.01	c 	domains............... 0.02
0.02	c 	variables.............    0
0.03	c 	predicates............    0
0.03	c 	constraints...........  0.5
0.53	c Allocating memory
0.53	c 
0.53	c time limit = -1
0.53	c heuristic = dom/wdeg
0.53	c restart policy = Geometric increment
0.53	c restart base = 266
0.53	c restart factor = 1.33
0.53	c 
0.53	c Solving
0.53	c
0.71	s SATISFIABLE
0.71	v 957 863 1086 539 197 825 892 633 0 1187 442 288 181 333 394 169 99 496 760 1020 97 513 832 440 761 757 1038 1171 267 732 0 1099 194 570 970 635 673 348 892 656 426 453 984 1054 566 302 619 916 1017 97 1125 447 732 192 334 0 1119 833 580 286 573 0 1240 155 368 772 79 1059 165 286 880 684 959 1099 251 495 919 459 662 644 289 245 0 654 999 689 435 916 278 97 483 747 1213 181 562 376 959 88 1164 190 356 627 176 90 550 890 1086 348 289 533 698 194 825 0 414 1024 433 1240 1134 941 967 580 166 251 495 315 405 78 999 1102 1038 900 1174 0 1140 707 640 1225 937 811 726 99 356 426 440 1016 1187 508 923 738 639 1082 833 198 424 556 376 560 287 0 358 659 82 1035 615 180 480 243 0 545 880 737 953 1095 784 584 557 392 1311 78 986 88 368 939 0 463 255 1068 180 813 1243 772 697 659 560 319 1092 384 603 117 185 373 721 829 684 759 1254 82 451 480 952 923 1020 88 615 284 0 97 890 555 0 1222 627 356 284 405 185 1016 555 525 813 81 893 1164 456 1056 675 957 717 1134 566 886 287 192 603 1108 1092 315 526 793 1004 1216 662 738 448 0 93 344 977 761 539 732 0 623 1222 784 181 244 69 650 1108 1293 430 1119 82 93 335 937 463 984 332 730 525 818 880 952 1142 668 1259 680 616 295 1059 621 994 198 430 90 0 1187 759 94 851 255 559 936 82 117 635 315 278 366 1227 520 1166 184 163 0 1140 1017 1043 939 994 1081 288 760 697 821 1187 295 392 633 1118 0 1155 97 562 880 484 194 240 319 429 1020 759 548 389 1217 864 901 698 158 1087 0 603 536 384 941 88 832 616 0 935 153 873 819 451 1208 88 948 334 673 1024 545 747 1145 243 394 908 176 1171 265 726 1005 618 0 441 1320 358 873 992 194 424 388 821 1085 484 97 344 573
0.71	d          SAT         0 BTS      0.08 s

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node26/watcher-233290-1168325283 -o ROOT/results/node26/solver-233290-1168325283 -C 1800 -M 900 /tmp/evaluation/233290-1168325283/tramontane/bin/solver /tmp/evaluation/233290-1168325283/unknown.xml -res geom -f 3 -v 1 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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

/proc/loadavg: 2.01 1.88 1.58 4/86 30358
/proc/meminfo: memFree=921952/2055920 swapFree=4192812/4192956
[pid=30357] ppid=30355 vsize=6792 CPUtime=0
/proc/30357/stat : 30357 (solver) R 30355 30357 28220 0 -1 4194304 433 0 0 0 0 0 0 0 18 0 1 0 180922802 6955008 412 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 12561272 0 0 4096 0 0 0 0 17 0 0 0
/proc/30357/statm: 1698 412 373 92 0 30 0

[startup+0.103422 s]
/proc/loadavg: 2.01 1.88 1.58 4/86 30358
/proc/meminfo: memFree=921952/2055920 swapFree=4192812/4192956
[pid=30357] ppid=30355 vsize=9696 CPUtime=0.09
/proc/30357/stat : 30357 (solver) R 30355 30357 28220 0 -1 4194304 1504 0 0 0 9 0 0 0 18 0 1 0 180922802 9928704 1472 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 13076601 0 0 4096 0 0 0 0 17 0 0 0
/proc/30357/statm: 2424 1472 707 92 0 768 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9696

[startup+0.511459 s]
/proc/loadavg: 2.01 1.88 1.58 4/86 30358
/proc/meminfo: memFree=921952/2055920 swapFree=4192812/4192956
[pid=30357] ppid=30355 vsize=11712 CPUtime=0.5
/proc/30357/stat : 30357 (solver) R 30355 30357 28220 0 -1 4194304 2007 0 0 0 49 1 0 0 22 0 1 0 180922802 11993088 1975 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 13026939 0 0 4096 0 0 0 0 17 0 0 0
/proc/30357/statm: 2928 1975 707 92 0 1272 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 11712

Child status: 0
Real time (s): 0.7733
CPU time (s): 0.763882
CPU user time (s): 0.710891
CPU system time (s): 0.052991
CPU usage (%): 98.7821
Max. virtual memory (cumulated for all children) (KiB): 41064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.710891
system time used= 0.052991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9345
page faults= 4
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= 88

runsolver used 0.000999 s user time and 0.008998 s system time

The end

Launcher Data (download as text)

Begin job on node26 on Tue Jan  9 06:48:05 UTC 2007


IDJOB= 233290
IDBENCH= 6591
FILE ID= node26/233290-1168325283

PBS_JOBID= 3502876

Free space on /tmp= 66535 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-20/os-taillard-20-105-1.xml
COMMAND LINE= /tmp/evaluation/233290-1168325283/tramontane/bin/solver /tmp/evaluation/233290-1168325283/unknown.xml -res geom -f 3 -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node26/watcher-233290-1168325283 -o ROOT/results/node26/solver-233290-1168325283 -C 1800 -M 900  /tmp/evaluation/233290-1168325283/tramontane/bin/solver /tmp/evaluation/233290-1168325283/unknown.xml -res geom -f 3 -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  9d005d728c1360dc7f3c9368b8c3efe0

RANDOM SEED= 471934809

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.236
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		: 3000.236
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:        922496 kB
Buffers:          6244 kB
Cached:         976628 kB
SwapCached:          0 kB
Active:         540396 kB
Inactive:       539612 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        922496 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4004 kB
Writeback:           0 kB
Mapped:         119528 kB
Slab:            38260 kB
Committed_AS:  3631432 kB
PageTables:       2288 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= 66535 MiB



End job on node26 on Tue Jan  9 06:48:06 UTC 2007