Trace number 209610

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
buggy_2_5_s 2007-01-08SAT 59.8789 60.438

General information on the benchmark

Namefapp/fapp26-30/fapp28/
fapp28-2800-3.xml
MD5SUM2aad4279fbb875e4e8c1747ee13d0bfe
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 benchmark30.6403
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2800
Number of constraints22569
Maximum constraint arity2
Maximum domain size998
Number of constraints which are defined in extension0
Number of constraints which are defined in intension22569
Global constraints used (with number of constraints)

Solver Data (download as text)

c 
c 
c 
c solution file
c 
c 

SAT
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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/node2/watcher-209610-1168294484 -o ROOT/results/node2/solver-209610-1168294484 -C 1800 -M 900 /tmp/evaluation/209610-1168294484/solver2 /tmp/evaluation/209610-1168294484/unknown 1800 

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: 2.13 2.02 1.92 3/87 1291
/proc/meminfo: memFree=1088104/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=1964 CPUtime=0
/proc/1290/stat : 1290 (solver2) R 1288 1290 28047 0 -1 4194304 50 0 0 0 0 0 0 0 20 0 1 0 177844188 2011136 34 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206378694025 0 0 4096 0 0 0 0 17 1 0 0
/proc/1290/statm: 491 34 26 169 0 8 0

[startup+0.103223 s]
/proc/loadavg: 2.13 2.02 1.92 3/87 1291
/proc/meminfo: memFree=1088104/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=0
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 353 334 0 0 0 0 0 0 22 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.5113 s]
/proc/loadavg: 2.13 2.02 1.92 3/87 1291
/proc/meminfo: memFree=1088104/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=0.35
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 376 2622 0 0 0 0 31 4 15 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.35
Current children cumulated vsize (KiB) 5352

[startup+1.33245 s]
/proc/loadavg: 2.13 2.02 1.92 3/88 1303
/proc/meminfo: memFree=1048608/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=0.35
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 376 2622 0 0 0 0 31 4 15 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
[pid=1303] ppid=1290 vsize=40208 CPUtime=0.92
/proc/1303/stat : 1303 (bordewijk) R 1290 1290 28047 0 -1 4194304 9553 0 0 0 84 8 0 0 25 0 1 0 177844225 41172992 9525 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 10969619 0 0 4096 0 0 0 0 17 1 0 0
/proc/1303/statm: 10052 9525 204 97 0 9333 0
Current children cumulated CPU time (s) 1.27
Current children cumulated vsize (KiB) 45560

[startup+2.97374 s]
/proc/loadavg: 2.13 2.02 1.92 3/88 1303
/proc/meminfo: memFree=1001568/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=0.35
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 376 2622 0 0 0 0 31 4 15 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
[pid=1303] ppid=1290 vsize=79520 CPUtime=2.55
/proc/1303/stat : 1303 (bordewijk) R 1290 1290 28047 0 -1 4194304 21061 0 0 0 235 20 0 0 25 0 1 0 177844225 81428480 19335 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 134726230 0 0 4096 0 0 0 0 17 0 0 0
/proc/1303/statm: 19880 19335 211 97 0 19161 0
Current children cumulated CPU time (s) 2.9
Current children cumulated vsize (KiB) 84872

[startup+6.25935 s]
/proc/loadavg: 2.12 2.02 1.92 2/82 1317
/proc/meminfo: memFree=1391376/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=0.35
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 376 2622 0 0 0 0 31 4 15 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
[pid=1303] ppid=1290 vsize=257316 CPUtime=5.84
/proc/1303/stat : 1303 (bordewijk) R 1290 1290 28047 0 -1 4194304 66770 0 0 0 294 290 0 0 25 0 1 0 177844225 263491584 61576 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/1303/statm: 64329 61576 217 97 0 63610 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 262668

[startup+12.7303 s]
/proc/loadavg: 2.11 2.02 1.92 3/88 2002
/proc/meminfo: memFree=1092128/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=0.35
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 376 2622 0 0 0 0 31 4 15 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
[pid=1303] ppid=1290 vsize=257316 CPUtime=12.25
/proc/1303/stat : 1303 (bordewijk) R 1290 1290 28047 0 -1 4194304 66770 0 0 0 326 899 0 0 25 0 1 0 177844225 263491584 61576 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/1303/statm: 64329 61576 217 97 0 63610 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 262668

[startup+25.5547 s]
/proc/loadavg: 2.08 2.02 1.92 3/88 2003
/proc/meminfo: memFree=1241568/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=20.73
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 397 69393 0 0 0 0 392 1681 16 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
[pid=2003] ppid=1290 vsize=186936 CPUtime=4.58
/proc/2003/stat : 2003 (standalone) R 1290 1290 28047 0 -1 4194304 30523 0 0 0 112 346 0 0 25 0 1 0 177846278 191422464 30008 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 134521483 0 0 4096 0 0 0 0 17 0 0 0
/proc/2003/statm: 46734 30008 133 64 0 46049 0
Current children cumulated CPU time (s) 25.31
Current children cumulated vsize (KiB) 192288

[startup+51.2064 s]
/proc/loadavg: 2.06 2.02 1.92 3/88 2004
/proc/meminfo: memFree=1220064/2055920 swapFree=4191880/4192956
[pid=1290] ppid=1288 vsize=5352 CPUtime=20.73
/proc/1290/stat : 1290 (solver2) S 1288 1290 28047 0 -1 4194304 397 69393 0 0 0 0 392 1681 16 0 1 0 177844188 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1290/statm: 1338 242 203 169 0 49 0
[pid=2003] ppid=1290 vsize=187012 CPUtime=29.97
/proc/2003/stat : 2003 (standalone) R 1290 1290 28047 0 -1 4194304 46453 0 0 0 2638 359 0 0 25 0 1 0 177846278 191500288 45938 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 3977719540 0 0 4096 0 0 0 0 17 0 0 0
/proc/2003/statm: 46753 45938 137 64 0 46068 0
Current children cumulated CPU time (s) 50.7
Current children cumulated vsize (KiB) 192364

Child status: 0
Real time (s): 60.438
CPU time (s): 59.8789
CPU user time (s): 39.416
CPU system time (s): 20.4629
CPU usage (%): 99.0748
Max. virtual memory (cumulated for all children) (KiB): 262668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 39.416
system time used= 20.4629
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 116390
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= 521
involuntary context switches= 3075

runsolver used 0.055991 s user time and 0.169974 s system time

The end

Launcher Data (download as text)

Begin job on node2 on Mon Jan  8 22:14:45 UTC 2007


IDJOB= 209610
IDBENCH= 4549
FILE ID= node2/209610-1168294484

PBS_JOBID= 3501800

Free space on /tmp= 66247 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp26-30/fapp28/fapp28-2800-3.xml
COMMAND LINE= /tmp/evaluation/209610-1168294484/solver2 /tmp/evaluation/209610-1168294484/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-209610-1168294484 -o ROOT/results/node2/solver-209610-1168294484 -C 1800 -M 900  /tmp/evaluation/209610-1168294484/solver2 /tmp/evaluation/209610-1168294484/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  2aad4279fbb875e4e8c1747ee13d0bfe

RANDOM SEED= 844232276

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		: 3000.259
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	: 5931.00
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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1088648 kB
Buffers:         57648 kB
Cached:         302328 kB
SwapCached:        288 kB
Active:         814576 kB
Inactive:       100108 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1088648 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:           13204 kB
Writeback:           0 kB
Mapped:         574116 kB
Slab:            36364 kB
Committed_AS:  5137932 kB
PageTables:       3348 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= 66250 MiB



End job on node2 on Mon Jan  8 22:15:46 UTC 2007