Trace number 205723

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 56.6934 57.2631

General information on the benchmark

Namefapp/fapp36-40/fapp40/
fapp40-3000-4.xml
MD5SUMfa5d20aaa304c41f344fcec6a220c998
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 benchmark50.0494
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3000
Number of constraints53548
Maximum constraint arity2
Maximum domain size698
Number of constraints which are defined in extension0
Number of constraints which are defined in intension53548
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/node6/watcher-205723-1168293660 -o ROOT/results/node6/solver-205723-1168293660 -C 1800 -M 900 /tmp/evaluation/205723-1168293660/solver2 /tmp/evaluation/205723-1168293660/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: 0.38 0.98 1.07 5/87 13893
/proc/meminfo: memFree=1541176/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0
/proc/13891/stat : 13891 (solver2) R 13887 13891 10370 0 -1 4194304 280 0 0 0 0 0 0 0 19 0 1 0 177762017 5480448 231 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582840991 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/13891/statm: 1338 231 193 169 0 49 0
[pid=13894] ppid=13891 vsize=0 CPUtime=0
/proc/13894/stat : 13894 (solver2) D 13891 13891 10370 0 -1 4194372 26 0 0 0 0 0 0 0 18 0 1 0 177762017 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 65538 18446744072100051646 0 0 17 1 0 0
/proc/13894/statm: 0 0 0 0 0 0 0
[pid=13895] ppid=13891 vsize=92 CPUtime=0
/proc/13895/stat : 13895 (grep) R 13891 13891 10370 0 -1 4194304 25 0 0 0 0 0 0 0 21 0 1 0 177762017 94208 2 18446744073709551615 0 0 548682070232 18446744073709551615 268582841639 0 0 4096 0 0 0 0 17 1 0 0
/proc/13895/statm: 48 4 0 19 0 2 0

[startup+0.104175 s]
/proc/loadavg: 0.38 0.98 1.07 5/87 13893
/proc/meminfo: memFree=1541176/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 353 334 0 0 0 0 0 0 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.514223 s]
/proc/loadavg: 0.38 0.98 1.07 5/87 13893
/proc/meminfo: memFree=1541176/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 353 334 0 0 0 0 0 0 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+1.33533 s]
/proc/loadavg: 0.38 0.98 1.07 4/91 14226
/proc/meminfo: memFree=1490464/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0.78
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 376 3060 0 0 0 0 70 8 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
[pid=14081] ppid=13891 vsize=25152 CPUtime=0.49
/proc/14081/stat : 14081 (bordewijk) R 13891 13891 10370 0 -1 4194304 5768 0 0 0 45 4 0 0 22 0 1 0 177762100 25755648 5740 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 134523076 0 0 4096 0 0 0 0 17 0 0 0
/proc/14081/statm: 6288 5740 204 97 0 5569 0
Current children cumulated CPU time (s) 1.27
Current children cumulated vsize (KiB) 30504

[startup+2.97252 s]
/proc/loadavg: 0.38 0.98 1.07 3/95 14561
/proc/meminfo: memFree=1429824/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0.78
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 376 3060 0 0 0 0 70 8 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
[pid=14081] ppid=13891 vsize=94056 CPUtime=2.09
/proc/14081/stat : 14081 (bordewijk) R 13891 13891 10370 0 -1 4194304 23010 0 0 0 193 16 0 0 25 0 1 0 177762100 96313344 22982 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 2604230 0 0 4096 0 0 0 0 17 0 0 0
/proc/14081/statm: 23514 22982 204 97 0 22795 0
Current children cumulated CPU time (s) 2.87
Current children cumulated vsize (KiB) 99408

[startup+6.2519 s]
/proc/loadavg: 0.51 0.99 1.07 3/94 14574
/proc/meminfo: memFree=1159760/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0.78
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 376 3060 0 0 0 0 70 8 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
[pid=14081] ppid=13891 vsize=172312 CPUtime=5.35
/proc/14081/stat : 14081 (bordewijk) R 13891 13891 10370 0 -1 4194304 46082 0 0 0 495 40 0 0 25 0 1 0 177762100 176447488 42525 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 2647839 0 0 4096 0 0 0 0 17 0 0 0
/proc/14081/statm: 43078 42525 211 97 0 42359 0
Current children cumulated CPU time (s) 6.13
Current children cumulated vsize (KiB) 177664

[startup+12.7287 s]
/proc/loadavg: 0.63 1.01 1.08 3/94 14584
/proc/meminfo: memFree=552528/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0.78
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 376 3060 0 0 0 0 70 8 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
[pid=14081] ppid=13891 vsize=423780 CPUtime=11.76
/proc/14081/stat : 14081 (bordewijk) R 13891 13891 10370 0 -1 4194304 114322 0 0 0 670 506 0 0 18 0 1 0 177762100 433950720 103353 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/14081/statm: 105945 103353 217 97 0 105226 0
Current children cumulated CPU time (s) 12.54
Current children cumulated vsize (KiB) 429132

[startup+25.5582 s]
/proc/loadavg: 0.84 1.04 1.09 3/94 14618
/proc/meminfo: memFree=532760/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=0.78
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 376 3060 0 0 0 0 70 8 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
[pid=14081] ppid=13891 vsize=423780 CPUtime=24.42
/proc/14081/stat : 14081 (bordewijk) R 13891 13891 10370 0 -1 4194304 114323 0 0 0 730 1712 0 0 19 0 1 0 177762100 433950720 103354 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960145 0 0 4096 0 0 0 0 17 0 0 0
/proc/14081/statm: 105945 103354 218 97 0 105226 0
Current children cumulated CPU time (s) 25.2
Current children cumulated vsize (KiB) 429132

[startup+51.2312 s]
/proc/loadavg: 1.35 1.15 1.12 3/94 15334
/proc/meminfo: memFree=901272/2055924 swapFree=4165672/4192956
[pid=13891] ppid=13887 vsize=5352 CPUtime=26.11
/proc/13891/stat : 13891 (solver2) S 13887 13891 10370 0 -1 4194304 397 117383 0 0 0 0 806 1805 16 0 1 0 177762017 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13891/statm: 1338 242 203 169 0 49 0
[pid=14621] ppid=13891 vsize=258112 CPUtime=24.56
/proc/14621/stat : 14621 (standalone) R 13891 13891 10370 0 -1 4194304 64420 0 0 0 2080 376 0 0 25 0 1 0 177764665 264306688 63313 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 3905781490 0 0 4096 0 0 0 0 17 0 0 0
/proc/14621/statm: 64528 63313 137 64 0 63843 0
Current children cumulated CPU time (s) 50.67
Current children cumulated vsize (KiB) 263464

Child status: 0
Real time (s): 57.2631
CPU time (s): 56.6934
CPU user time (s): 34.7937
CPU system time (s): 21.8997
CPU usage (%): 99.005
Max. virtual memory (cumulated for all children) (KiB): 429132

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 34.7937
system time used= 21.8997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 182728
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= 1302
involuntary context switches= 3309

runsolver used 0.067989 s user time and 0.19097 s system time

The end

Launcher Data (download as text)

Begin job on node6 on Mon Jan  8 22:01:04 UTC 2007


IDJOB= 205723
IDBENCH= 4165
FILE ID= node6/205723-1168293660

PBS_JOBID= 3501828

Free space on /tmp= 66536 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp40/fapp40-3000-4.xml
COMMAND LINE= /tmp/evaluation/205723-1168293660/solver2 /tmp/evaluation/205723-1168293660/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node6/watcher-205723-1168293660 -o ROOT/results/node6/solver-205723-1168293660 -C 1800 -M 900  /tmp/evaluation/205723-1168293660/solver2 /tmp/evaluation/205723-1168293660/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  fa5d20aaa304c41f344fcec6a220c998

RANDOM SEED= 349430909

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		: 3000.240
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		: 3000.240
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:      2055924 kB
MemFree:       1541792 kB
Buffers:         80604 kB
Cached:         333292 kB
SwapCached:       2944 kB
Active:         261408 kB
Inactive:       190528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1541792 kB
SwapTotal:     4192956 kB
SwapFree:      4165672 kB
Dirty:           17776 kB
Writeback:           0 kB
Mapped:          47632 kB
Slab:            46896 kB
Committed_AS:  5539976 kB
PageTables:       2440 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= 66386 MiB



End job on node6 on Mon Jan  8 22:02:03 UTC 2007