Trace number 296677

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
picosat 535SAT 330.884 330.96

General information on the benchmark

Namerandom/OnTreshold/7SAT/v45/
unif-k7-r89-v45-c4005-S1344401737-18.SAT.shuffled.cnf
MD5SUMed57e6bcaed7669ca4ea0f0e14afc5f1
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.079987
Satisfiable
(Un)Satisfiability was proved
Number of variables45
Number of clauses4005
Sum of the clauses size28035
Maximum clause length7
Minimum clause length7
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 54005

Solver Data (download as text)

330.78/330.95	s SATISFIABLE
330.78/330.95	v -1 2 -3 -4 5 -6 7 8 -9 -10 -11 12 13 -14 15 16 -17 -18 -19 20 21 22 23 24 25
330.78/330.95	v 26 27 28 -29 30 31 -32 -33 -34 -35 36 -37 -38 39 -40 41 42 43 44 45 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node22/watcher-296677-1171826276 -o ROOT/results/node22/solver-296677-1171826276 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/296677-1171826276/picosat /tmp/evaluation/296677-1171826276/instance-296677-1171826276.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.47 0.65 0.85 3/77 23074
/proc/meminfo: memFree=781224/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=568 CPUtime=0
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 68 0 0 0 0 0 0 0 18 0 1 0 202581639 581632 53 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 142 53 40 102 0 37 0

[startup+0.107106 s]
/proc/loadavg: 0.47 0.65 0.85 3/77 23074
/proc/meminfo: memFree=781224/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=844 CPUtime=0.09
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 156 0 0 0 6 3 0 0 18 0 1 0 202581639 864256 139 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134531415 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 211 139 48 102 0 106 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 844

[startup+0.515135 s]
/proc/loadavg: 0.47 0.65 0.85 3/77 23074
/proc/meminfo: memFree=781224/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=844 CPUtime=0.5
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 169 0 0 0 47 3 0 0 22 0 1 0 202581639 864256 152 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 211 152 48 102 0 106 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 844

[startup+1.3352 s]
/proc/loadavg: 0.52 0.66 0.85 2/78 23075
/proc/meminfo: memFree=780704/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=968 CPUtime=1.32
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 188 0 0 0 129 3 0 0 25 0 1 0 202581639 991232 171 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525763 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 242 171 48 102 0 137 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 968

[startup+2.97132 s]
/proc/loadavg: 0.52 0.66 0.85 2/78 23075
/proc/meminfo: memFree=780512/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=1092 CPUtime=2.95
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 207 0 0 0 292 3 0 0 25 0 1 0 202581639 1118208 190 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525814 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 273 190 48 102 0 168 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 1092

[startup+6.24757 s]
/proc/loadavg: 0.52 0.66 0.85 2/78 23075
/proc/meminfo: memFree=780384/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=1092 CPUtime=6.23
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 234 0 0 0 620 3 0 0 25 0 1 0 202581639 1118208 217 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 273 217 48 102 0 168 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 1092

[startup+12.705 s]
/proc/loadavg: 0.59 0.67 0.85 2/78 23075
/proc/meminfo: memFree=780136/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=1272 CPUtime=12.69
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 271 0 0 0 1265 4 0 0 25 0 1 0 202581639 1302528 254 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134520101 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 318 254 48 102 0 213 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 1272

[startup+25.513 s]
/proc/loadavg: 0.65 0.68 0.86 2/78 23075
/proc/meminfo: memFree=780008/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=1492 CPUtime=25.5
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 308 0 0 0 2546 4 0 0 25 0 1 0 202581639 1527808 291 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 373 291 48 102 0 268 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 1492

[startup+51.1209 s]
/proc/loadavg: 0.77 0.70 0.86 2/78 23075
/proc/meminfo: memFree=779752/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=1716 CPUtime=51.1
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 374 0 0 0 5106 4 0 0 25 0 1 0 202581639 1757184 357 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525875 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 429 357 48 102 0 324 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 1716

[startup+102.336 s]
/proc/loadavg: 0.91 0.75 0.86 2/78 23075
/proc/meminfo: memFree=779432/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2100 CPUtime=102.3
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 462 0 0 0 10226 4 0 0 25 0 1 0 202581639 2150400 445 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 525 445 48 102 0 420 0
Current children cumulated CPU time (s) 102.3
Current children cumulated vsize (KiB) 2100

[startup+162.365 s]
/proc/loadavg: 0.96 0.79 0.87 2/78 23075
/proc/meminfo: memFree=779176/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2368 CPUtime=162.32
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 522 0 0 0 16227 5 0 0 25 0 1 0 202581639 2424832 505 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525778 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 592 505 48 102 0 487 0
Current children cumulated CPU time (s) 162.32
Current children cumulated vsize (KiB) 2368

[startup+222.388 s]
/proc/loadavg: 0.98 0.83 0.88 2/78 23075
/proc/meminfo: memFree=778984/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2488 CPUtime=222.32
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 565 0 0 0 22227 5 0 0 25 0 1 0 202581639 2547712 548 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 622 548 48 102 0 517 0
Current children cumulated CPU time (s) 222.32
Current children cumulated vsize (KiB) 2488

[startup+282.417 s]
/proc/loadavg: 0.99 0.86 0.88 2/78 23075
/proc/meminfo: memFree=778792/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2716 CPUtime=282.34
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 609 0 0 0 28228 6 0 0 25 0 1 0 202581639 2781184 591 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525807 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 679 591 48 102 0 574 0
Current children cumulated CPU time (s) 282.34
Current children cumulated vsize (KiB) 2716

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

[startup+288.456 s]
/proc/loadavg: 0.99 0.86 0.88 2/78 23075
/proc/meminfo: memFree=778792/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2716 CPUtime=288.38
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 609 0 0 0 28832 6 0 0 25 0 1 0 202581639 2781184 591 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525814 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 679 591 48 102 0 574 0
Current children cumulated CPU time (s) 288.38
Current children cumulated vsize (KiB) 2716

[startup+314.68 s]
/proc/loadavg: 0.99 0.87 0.88 2/78 23075
/proc/meminfo: memFree=778664/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2900 CPUtime=314.59
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 650 0 0 0 31453 6 0 0 25 0 1 0 202581639 2969600 632 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134543543 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 725 632 48 102 0 620 0
Current children cumulated CPU time (s) 314.59
Current children cumulated vsize (KiB) 2900

[startup+321.237 s]
/proc/loadavg: 0.99 0.87 0.89 2/78 23075
/proc/meminfo: memFree=778600/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2896 CPUtime=321.15
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 650 0 0 0 32109 6 0 0 25 0 1 0 202581639 2965504 632 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525835 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 724 632 48 102 0 619 0
Current children cumulated CPU time (s) 321.15
Current children cumulated vsize (KiB) 2896

[startup+327.791 s]
/proc/loadavg: 0.99 0.87 0.89 2/78 23075
/proc/meminfo: memFree=778600/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2896 CPUtime=327.7
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 650 0 0 0 32764 6 0 0 25 0 1 0 202581639 2965504 632 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525921 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 724 632 48 102 0 619 0
Current children cumulated CPU time (s) 327.7
Current children cumulated vsize (KiB) 2896

[startup+329.431 s]
/proc/loadavg: 0.99 0.87 0.89 2/78 23075
/proc/meminfo: memFree=778600/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2896 CPUtime=329.35
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 650 0 0 0 32928 7 0 0 25 0 1 0 202581639 2965504 632 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525860 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 724 632 48 102 0 619 0
Current children cumulated CPU time (s) 329.35
Current children cumulated vsize (KiB) 2896

[startup+330.251 s]
/proc/loadavg: 0.99 0.87 0.89 2/78 23075
/proc/meminfo: memFree=778600/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2896 CPUtime=330.17
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 650 0 0 0 33010 7 0 0 25 0 1 0 202581639 2965504 632 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525791 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 724 632 48 102 0 619 0
Current children cumulated CPU time (s) 330.17
Current children cumulated vsize (KiB) 2896

[startup+330.659 s]
/proc/loadavg: 0.99 0.87 0.89 2/78 23075
/proc/meminfo: memFree=778600/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2896 CPUtime=330.58
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 650 0 0 0 33051 7 0 0 25 0 1 0 202581639 2965504 632 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 724 632 48 102 0 619 0
Current children cumulated CPU time (s) 330.58
Current children cumulated vsize (KiB) 2896

[startup+330.863 s]
/proc/loadavg: 0.99 0.87 0.89 2/78 23075
/proc/meminfo: memFree=778600/2055920 swapFree=4121028/4192956
[pid=23074] ppid=23072 vsize=2896 CPUtime=330.78
/proc/23074/stat : 23074 (picosat) R 23072 23074 21342 0 -1 4194304 650 0 0 0 33071 7 0 0 25 0 1 0 202581639 2965504 632 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525791 0 0 4096 0 0 0 0 17 1 0 0
/proc/23074/statm: 724 632 48 102 0 619 0
Current children cumulated CPU time (s) 330.78
Current children cumulated vsize (KiB) 2896

Child status: 10
Real time (s): 330.96
CPU time (s): 330.884
CPU user time (s): 330.813
CPU system time (s): 0.070989
CPU usage (%): 99.9769
Max. virtual memory (cumulated for all children) (KiB): 2908

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 330.813
system time used= 0.070989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 656
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= 4
involuntary context switches= 6600

runsolver used 0.362944 second user time and 0.744886 second system time

The end

Launcher Data (download as text)

Begin job on node22 on Sun Feb 18 19:17:57 UTC 2007

IDJOB= 296677
IDBENCH= 19943
IDSOLVER= 106
FILE ID= node22/296677-1171826276

PBS_JOBID= 3839650

Free space on /tmp= 66563 MiB

SOLVER NAME= picosat 535
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/7SAT/v45/unif-k7-r89-v45-c4005-S1344401737-18.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/296677-1171826276/picosat /tmp/evaluation/296677-1171826276/instance-296677-1171826276.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node22/watcher-296677-1171826276 -o ROOT/results/node22/solver-296677-1171826276 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/296677-1171826276/picosat /tmp/evaluation/296677-1171826276/instance-296677-1171826276.cnf            

META MD5SUM SOLVER= 1cb12d44dc66ecc4d20a168f5cfd1323
MD5SUM BENCH=  ed57e6bcaed7669ca4ea0f0e14afc5f1

RANDOM SEED= 750453598

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node22.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.235
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		: 3000.235
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:        781632 kB
Buffers:         43196 kB
Cached:        1090572 kB
SwapCached:      39232 kB
Active:         811580 kB
Inactive:       372832 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        781632 kB
SwapTotal:     4192956 kB
SwapFree:      4121028 kB
Dirty:             776 kB
Writeback:           0 kB
Mapped:          30376 kB
Slab:            75572 kB
Committed_AS:   623992 kB
PageTables:       1672 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= 66563 MiB

End job on node22 on Sun Feb 18 19:23:28 UTC 2007