Trace number 232962

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 0.950854 0.954923

General information on the benchmark

Nametaillard/os-taillard-20/
os-taillard-20-105-5.xml
MD5SUMa0a6c2f8c0e385dbc465e671c789fc14
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 benchmark0.950854
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables400
Number of constraints7600
Maximum constraint arity2
Maximum domain size1315
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
0.03	c 	variables.............    0
0.04	c 	predicates............    0
0.04	c 	constraints........... 0.53
0.57	c Allocating memory
0.57	c 
0.57	c time limit = -1
0.57	c heuristic = dom/wdeg
0.57	c restart policy = Geometric increment
0.57	c restart base = 266
0.57	c restart factor = 1.33
0.57	c 
0.57	c Solving
0.57	c
0.91	s SATISFIABLE
0.91	v 1106 342 0 416 733 970 506 656 216 91 282 1024 526 615 886 766 193 167 594 919 702 917 95 1175 970 1106 457 278 1079 790 526 342 487 174 877 0 408 619 1232 575 1038 163 594 832 430 760 972 1113 266 154 298 851 388 409 0 162 151 94 682 484 1085 549 1231 358 1183 851 0 444 917 96 790 773 1076 960 209 1017 878 690 487 602 847 228 952 293 698 1075 477 556 95 662 221 922 307 182 416 0 434 1006 750 615 0 1178 1127 656 991 732 304 1152 128 488 932 397 57 868 1165 802 215 1083 1038 578 549 1167 1079 1040 275 458 95 0 246 752 668 905 1217 158 634 868 372 1110 820 969 628 1248 221 535 1152 416 283 0 488 191 766 95 304 825 878 319 272 575 1006 258 547 947 246 487 92 0 400 372 77 151 802 695 1036 1165 1079 622 504 999 846 342 491 668 752 555 720 937 430 628 179 0 942 870 367 364 905 952 96 271 832 959 488 401 289 582 179 266 1196 981 1045 427 668 64 878 136 271 159 542 458 0 820 383 258 1167 427 163 970 0 767 702 633 796 84 477 347 832 881 1013 981 1113 573 905 191 131 1030 1115 0 291 937 720 810 502 981 98 192 1058 682 555 477 57 397 149 1085 610 253 648 77 0 162 127 432 342 865 947 158 1110 766 1248 506 1196 932 695 549 772 634 1217 327 275 477 542 820 182 183 0 81 434 888 354 364 1020 167 272 0 258 862 360 1095 678 988 154 228 738 416 1024 825 942 622 82 655 575 502 865 772 0 1059 256 409 178 291 120 582 383 528 89 163 812 127 665 363 718 1257 456 1015 94 792 427 531 278 0 1211 760 182 1087 372 937 556 90 64 490 690 633 970 491 766 1079 91 215 0 444 289 120 584 562 668 619 1182 450 372 846 1020 128 450 602 733 0 96 661 981 988 919 790 972 832 367 925 289 994 954 846 193 542
0.91	d          SAT       410 BTS      0.23 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/node72/watcher-232962-1168324252 -o ROOT/results/node72/solver-232962-1168324252 -C 1800 -M 900 /tmp/evaluation/232962-1168324252/tramontane/bin/solver /tmp/evaluation/232962-1168324252/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: 0.50 0.82 1.07 5/87 27312
/proc/meminfo: memFree=1305688/2055920 swapFree=4191880/4192956
[pid=27311] ppid=27309 vsize=6792 CPUtime=0
/proc/27311/stat : 27311 (solver) R 27309 27311 26913 0 -1 4194304 288 0 0 0 0 0 0 0 18 0 1 0 180834293 6955008 269 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 2539608 0 0 4096 0 0 0 0 17 1 0 0
/proc/27311/statm: 1698 276 256 92 0 30 0

[startup+0.103008 s]
/proc/loadavg: 0.50 0.82 1.07 5/87 27312
/proc/meminfo: memFree=1305688/2055920 swapFree=4191880/4192956
[pid=27311] ppid=27309 vsize=9440 CPUtime=0.09
/proc/27311/stat : 27311 (solver) R 27309 27311 26913 0 -1 4194304 1459 0 0 0 9 0 0 0 18 0 1 0 180834293 9666560 1427 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 134575851 0 0 4096 0 0 0 0 17 1 0 0
/proc/27311/statm: 2360 1427 707 92 0 704 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9440

[startup+0.511043 s]
/proc/loadavg: 0.50 0.82 1.07 5/87 27312
/proc/meminfo: memFree=1305688/2055920 swapFree=4191880/4192956
[pid=27311] ppid=27309 vsize=11452 CPUtime=0.5
/proc/27311/stat : 27311 (solver) R 27309 27311 26913 0 -1 4194304 1926 0 0 0 49 1 0 0 22 0 1 0 180834293 11726848 1894 18446744073709551615 134512640 134893233 4294956656 18446744073709551615 2969329 0 0 4096 0 0 0 0 17 1 0 0
/proc/27311/statm: 2863 1894 707 92 0 1207 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 11452

Child status: 0
Real time (s): 0.954923
CPU time (s): 0.950854
CPU user time (s): 0.896863
CPU system time (s): 0.053991
CPU usage (%): 99.5739
Max. virtual memory (cumulated for all children) (KiB): 39356

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.896863
system time used= 0.053991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8924
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= 13
involuntary context switches= 63

runsolver used 0.002999 s user time and 0.005999 s system time

The end

Launcher Data (download as text)

Begin job on node72 on Tue Jan  9 06:30:54 UTC 2007


IDJOB= 232962
IDBENCH= 6569
FILE ID= node72/232962-1168324252

PBS_JOBID= 3502935

Free space on /tmp= 66555 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-20/os-taillard-20-105-5.xml
COMMAND LINE= /tmp/evaluation/232962-1168324252/tramontane/bin/solver /tmp/evaluation/232962-1168324252/unknown.xml -res geom -f 3 -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node72/watcher-232962-1168324252 -o ROOT/results/node72/solver-232962-1168324252 -C 1800 -M 900  /tmp/evaluation/232962-1168324252/tramontane/bin/solver /tmp/evaluation/232962-1168324252/unknown.xml -res geom -f 3 -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  a0a6c2f8c0e385dbc465e671c789fc14

RANDOM SEED= 187386341

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		: 3000.223
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		: 3000.223
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:       1306104 kB
Buffers:         58868 kB
Cached:         554292 kB
SwapCached:        268 kB
Active:         266660 kB
Inactive:       415504 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1306104 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            6768 kB
Writeback:           0 kB
Mapped:          87552 kB
Slab:            52452 kB
Committed_AS:  3664096 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= 66555 MiB



End job on node72 on Tue Jan  9 06:30:56 UTC 2007