Trace number 426480

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
SAT7 2007-02-08SAT 21.5617 21.568

General information on the benchmark

Namerandom/OnTreshold/5SAT/v80/
unif-k5-r21.3-v80-c1704-S256297823-16.SAT.shuffled.cnf
MD5SUM98acb22e903e1289d5e4bb5a28958843
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.155975
Satisfiable
(Un)Satisfiability was proved
Number of variables80
Number of clauses1704
Sum of the clauses size8520
Maximum clause length5
Minimum clause length5
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 51704
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c Starting solver ...
0.00/0.01	c Restarting after 101 conflicts
0.01/0.01	c Restarting after 252 conflicts
0.01/0.02	c Restarting after 480 conflicts
0.01/0.03	c Restarting after 818 conflicts
0.01/0.05	c Restarting after 1325 conflicts
0.01/0.08	c Restarting after 2084 conflicts
0.10/0.12	c Restarting after 3223 conflicts
0.10/0.19	c Restarting after 4931 conflicts
0.20/0.29	c Restarting after 7495 conflicts
0.40/0.45	c Restarting after 11340 conflicts
0.70/0.70	c Restarting after 17106 conflicts
1.00/1.08	c Restarting after 25756 conflicts
1.60/1.66	c Restarting after 38732 conflicts
2.49/2.54	c Restarting after 58195 conflicts
3.89/3.92	c Restarting after 87387 conflicts
5.99/6.06	c Restarting after 131177 conflicts
9.29/9.37	c Restarting after 196861 conflicts
14.39/14.48	c Restarting after 295387 conflicts
21.49/21.56	s SATISFIABLE
21.49/21.56	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 -26 -27 -28 29 30 31 -32 -33 34 -35 36 37 38 -39 -40 41 -42 43 -44 45 46 47 48 49 -50 51 52 53 -54 55 -56 57 -58 -59 60 -61 62 -63 64 65 66 -67 -68 -69 -70 71 72 -73 74 -75 76 77 78 -79 -80 
21.49/21.56	v 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node61/watcher-426480-1177825585 -o ROOT/results/node61/solver-426480-1177825585 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/426480-1177825585/sat7_bin /tmp/evaluation/426480-1177825585/instance-426480-1177825585.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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: 0.90 0.97 0.99 3/64 20791
/proc/meminfo: memFree=1610080/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=1064 CPUtime=0
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 129 0 0 0 0 0 0 0 18 0 1 0 194522121 1089536 113 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134611525 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 266 113 87 220 0 43 0

[startup+0.015316 s]
/proc/loadavg: 0.90 0.97 0.99 3/64 20791
/proc/meminfo: memFree=1610080/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=1200 CPUtime=0.01
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 164 0 0 0 1 0 0 0 18 0 1 0 194522121 1228800 148 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 300 148 95 220 0 77 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1200

[startup+0.101324 s]
/proc/loadavg: 0.90 0.97 0.99 3/64 20791
/proc/meminfo: memFree=1610080/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=1460 CPUtime=0.1
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 199 0 0 0 10 0 0 0 18 0 1 0 194522121 1495040 183 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134531413 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 365 183 95 220 0 142 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1460

[startup+0.301344 s]
/proc/loadavg: 0.90 0.97 0.99 3/64 20791
/proc/meminfo: memFree=1610080/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=1460 CPUtime=0.3
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 220 0 0 0 30 0 0 0 19 0 1 0 194522121 1495040 204 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134536766 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 365 204 95 220 0 142 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 1460

[startup+0.701381 s]
/proc/loadavg: 0.90 0.97 0.99 3/64 20791
/proc/meminfo: memFree=1610080/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=1592 CPUtime=0.7
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 240 0 0 0 70 0 0 0 24 0 1 0 194522121 1630208 224 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134533270 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 398 224 95 220 0 175 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 1592

[startup+1.50146 s]
/proc/loadavg: 0.90 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1609560/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=1592 CPUtime=1.5
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 264 0 0 0 150 0 0 0 25 0 1 0 194522121 1630208 248 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532358 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 398 248 95 220 0 175 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 1592

[startup+3.10161 s]
/proc/loadavg: 0.90 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1609304/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2108 CPUtime=3.09
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 296 0 0 0 309 0 0 0 25 0 1 0 194522121 2158592 280 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532416 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 527 280 95 220 0 304 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2108

[startup+6.30291 s]
/proc/loadavg: 0.90 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1609048/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2240 CPUtime=6.29
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 330 0 0 0 629 0 0 0 25 0 1 0 194522121 2293760 314 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532467 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 560 314 95 220 0 337 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 2240

[startup+12.7015 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1608728/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2376 CPUtime=12.69
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 393 0 0 0 1269 0 0 0 25 0 1 0 194522121 2433024 377 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134529398 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 594 377 95 220 0 371 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 2376

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

[startup+15.9018 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1608600/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2376 CPUtime=15.89
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 407 0 0 0 1589 0 0 0 25 0 1 0 194522121 2433024 391 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134528656 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 594 391 95 220 0 371 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 2376

[startup+19.1011 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1608600/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2512 CPUtime=19.09
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 420 0 0 0 1909 0 0 0 25 0 1 0 194522121 2572288 404 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532389 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 628 404 95 220 0 405 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 2512

[startup+20.7013 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1608536/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2512 CPUtime=20.69
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 427 0 0 0 2069 0 0 0 25 0 1 0 194522121 2572288 411 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532469 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 628 411 95 220 0 405 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 2512

[startup+21.1013 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1608536/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2512 CPUtime=21.09
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 427 0 0 0 2109 0 0 0 25 0 1 0 194522121 2572288 411 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134538786 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 628 411 95 220 0 405 0
Current children cumulated CPU time (s) 21.09
Current children cumulated vsize (KiB) 2512

[startup+21.5014 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 20792
/proc/meminfo: memFree=1608536/2055920 swapFree=4184156/4192956
[pid=20791] ppid=20789 vsize=2512 CPUtime=21.49
/proc/20791/stat : 20791 (sat7_bin) R 20789 20791 20701 0 -1 4194304 430 0 0 0 2149 0 0 0 25 0 1 0 194522121 2572288 414 18446744073709551615 134512640 135417445 4294956672 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/20791/statm: 628 414 95 220 0 405 0
Current children cumulated CPU time (s) 21.49
Current children cumulated vsize (KiB) 2512

Child status: 10
Real time (s): 21.568
CPU time (s): 21.5617
CPU user time (s): 21.5567
CPU system time (s): 0.004999
CPU usage (%): 99.971
Max. virtual memory (cumulated for all children) (KiB): 2512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.5567
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 430
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= 8
involuntary context switches= 60

runsolver used 0.017997 second user time and 0.045993 second system time

The end

Launcher Data (download as text)

Begin job on node61 on Sun Apr 29 05:46:25 UTC 2007

IDJOB= 426480
IDBENCH= 19820
IDSOLVER= 183
FILE ID= node61/426480-1177825585

PBS_JOBID= 4718265

Free space on /tmp= 66563 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/5SAT/v80/unif-k5-r21.3-v80-c1704-S256297823-16.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/426480-1177825585/sat7_bin /tmp/evaluation/426480-1177825585/instance-426480-1177825585.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node61/watcher-426480-1177825585 -o ROOT/results/node61/solver-426480-1177825585 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/426480-1177825585/sat7_bin /tmp/evaluation/426480-1177825585/instance-426480-1177825585.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  98acb22e903e1289d5e4bb5a28958843

RANDOM SEED= 884491198

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node61.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		: 3000.240
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:      2055920 kB
MemFree:       1610552 kB
Buffers:         43112 kB
Cached:         335952 kB
SwapCached:       3096 kB
Active:         233828 kB
Inactive:       155052 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1610552 kB
SwapTotal:     4192956 kB
SwapFree:      4184156 kB
Dirty:            1180 kB
Writeback:           0 kB
Mapped:          15508 kB
Slab:            42592 kB
Committed_AS:  1097288 kB
PageTables:       1388 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 node61 on Sun Apr 29 05:46:47 UTC 2007