Trace number 310694

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 2007-02-08UNSAT 100.029 100.058

General information on the benchmark

Namerandom/2+p/p0.9/v630/
unif2p-p0.9-v630-c2280-S702278147-14-UNSAT.cnf
MD5SUM1db2498a7e6d8ef104366dc61af40976
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark6.04308
Satisfiable
(Un)Satisfiability was proved
Number of variables630
Number of clauses2280
Sum of the clauses size6612
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2228
Number of clauses of size 32052
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.01	c Starting solver ...
0.00/0.01	c Restarting after 101 conflicts
0.00/0.02	c Restarting after 253 conflicts
0.00/0.04	c Restarting after 478 conflicts
0.00/0.06	c Restarting after 817 conflicts
0.10/0.11	c Restarting after 1327 conflicts
0.10/0.16	c Restarting after 2088 conflicts
0.20/0.26	c Restarting after 3227 conflicts
0.30/0.40	c Restarting after 4936 conflicts
0.61/0.62	c Restarting after 7500 conflicts
0.92/0.96	c Restarting after 11344 conflicts
1.43/1.49	c Restarting after 17112 conflicts
2.25/2.28	c Restarting after 25761 conflicts
3.48/3.52	c Restarting after 38737 conflicts
5.32/5.37	c Restarting after 58199 conflicts
8.19/8.24	c Restarting after 87391 conflicts
12.59/12.68	c Restarting after 131182 conflicts
19.56/19.59	c Restarting after 196866 conflicts
30.00/30.07	c Restarting after 295392 conflicts
46.18/46.24	c Restarting after 443184 conflicts
71.07/71.11	c Restarting after 664868 conflicts
99.95/100.05	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node1/watcher-310694-1172561027 -o ROOT/results/node1/solver-310694-1172561027 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310694-1172561027/sat7_bin /tmp/evaluation/310694-1172561027/instance-310694-1172561027.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: 1.00 1.00 1.22 3/77 19761
/proc/meminfo: memFree=1711600/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=1216 CPUtime=0
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 147 0 0 0 0 0 0 0 18 0 1 0 276057756 1245184 130 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134547059 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 304 131 87 220 0 81 0

[startup+0.106609 s]
/proc/loadavg: 1.00 1.00 1.22 3/77 19761
/proc/meminfo: memFree=1711600/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=1612 CPUtime=0.1
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 221 0 0 0 10 0 0 0 18 0 1 0 276057756 1650688 204 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528774 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 403 204 95 220 0 180 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1612

[startup+0.514656 s]
/proc/loadavg: 1.00 1.00 1.22 3/77 19761
/proc/meminfo: memFree=1711600/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=1612 CPUtime=0.51
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 253 0 0 0 51 0 0 0 22 0 1 0 276057756 1650688 236 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134533566 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 403 236 95 220 0 180 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 1612

[startup+1.33475 s]
/proc/loadavg: 1.00 1.00 1.22 2/78 19762
/proc/meminfo: memFree=1710888/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=2128 CPUtime=1.33
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 285 0 0 0 133 0 0 0 25 0 1 0 276057756 2179072 268 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 532 268 95 220 0 309 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 2128

[startup+2.97095 s]
/proc/loadavg: 1.00 1.00 1.22 2/78 19762
/proc/meminfo: memFree=1710632/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=2128 CPUtime=2.96
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 317 0 0 0 296 0 0 0 25 0 1 0 276057756 2179072 300 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134579281 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 532 300 95 220 0 309 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 2128

[startup+6.24833 s]
/proc/loadavg: 1.00 1.00 1.22 2/78 19762
/proc/meminfo: memFree=1710376/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=2128 CPUtime=6.24
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 361 0 0 0 624 0 0 0 25 0 1 0 276057756 2179072 344 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 532 344 95 220 0 309 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 2128

[startup+12.7031 s]
/proc/loadavg: 1.00 1.00 1.21 2/78 19762
/proc/meminfo: memFree=1710064/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3156 CPUtime=12.69
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 418 0 0 0 1269 0 0 0 25 0 1 0 276057756 3231744 401 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 135029294 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 789 401 95 220 0 566 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3156

[startup+25.5106 s]
/proc/loadavg: 1.00 1.00 1.21 2/78 19762
/proc/meminfo: memFree=1709808/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3288 CPUtime=25.5
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 493 0 0 0 2550 0 0 0 25 0 1 0 276057756 3366912 476 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528610 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 822 476 95 220 0 599 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 3288

[startup+51.1216 s]
/proc/loadavg: 1.00 1.00 1.20 2/78 19762
/proc/meminfo: memFree=1709424/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3552 CPUtime=51.1
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 577 0 0 0 5110 0 0 0 25 0 1 0 276057756 3637248 560 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 888 560 95 220 0 665 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 3552

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

[startup+52.4517 s]
/proc/loadavg: 1.00 1.00 1.20 2/78 19762
/proc/meminfo: memFree=1709360/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3552 CPUtime=52.43
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 580 0 0 0 5243 0 0 0 25 0 1 0 276057756 3637248 563 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528536 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 888 563 95 220 0 665 0
Current children cumulated CPU time (s) 52.43
Current children cumulated vsize (KiB) 3552

[startup+78.6758 s]
/proc/loadavg: 1.00 1.00 1.19 2/78 19762
/proc/meminfo: memFree=1709168/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3684 CPUtime=78.65
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 649 0 0 0 7865 0 0 0 25 0 1 0 276057756 3772416 632 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532414 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 921 632 95 220 0 698 0
Current children cumulated CPU time (s) 78.65
Current children cumulated vsize (KiB) 3684

[startup+91.7914 s]
/proc/loadavg: 1.00 1.00 1.19 2/78 19762
/proc/meminfo: memFree=1709040/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3684 CPUtime=91.76
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 673 0 0 0 9176 0 0 0 25 0 1 0 276057756 3772416 656 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134579306 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 921 656 95 220 0 698 0
Current children cumulated CPU time (s) 91.76
Current children cumulated vsize (KiB) 3684

[startup+95.0717 s]
/proc/loadavg: 1.00 1.00 1.19 2/78 19762
/proc/meminfo: memFree=1709040/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3684 CPUtime=95.04
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 676 0 0 0 9504 0 0 0 25 0 1 0 276057756 3772416 659 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528428 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 921 659 95 220 0 698 0
Current children cumulated CPU time (s) 95.04
Current children cumulated vsize (KiB) 3684

[startup+98.3481 s]
/proc/loadavg: 1.00 1.00 1.19 2/78 19762
/proc/meminfo: memFree=1708976/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3684 CPUtime=98.31
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 684 0 0 0 9831 0 0 0 25 0 1 0 276057756 3772416 667 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532469 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 921 667 95 220 0 698 0
Current children cumulated CPU time (s) 98.31
Current children cumulated vsize (KiB) 3684

[startup+99.1642 s]
/proc/loadavg: 1.00 1.00 1.19 2/78 19762
/proc/meminfo: memFree=1708976/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3684 CPUtime=99.13
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 685 0 0 0 9913 0 0 0 25 0 1 0 276057756 3772416 668 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532419 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 921 668 95 220 0 698 0
Current children cumulated CPU time (s) 99.13
Current children cumulated vsize (KiB) 3684

[startup+99.5763 s]
/proc/loadavg: 1.00 1.00 1.19 2/78 19762
/proc/meminfo: memFree=1708976/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3684 CPUtime=99.54
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 686 0 0 0 9954 0 0 0 25 0 1 0 276057756 3772416 669 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532407 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 921 669 95 220 0 698 0
Current children cumulated CPU time (s) 99.54
Current children cumulated vsize (KiB) 3684

[startup+99.9843 s]
/proc/loadavg: 1.00 1.00 1.19 2/78 19762
/proc/meminfo: memFree=1708976/2055920 swapFree=4156676/4192956
[pid=19761] ppid=19759 vsize=3684 CPUtime=99.95
/proc/19761/stat : 19761 (sat7_bin) R 19759 19761 19285 0 -1 4194304 686 0 0 0 9995 0 0 0 25 0 1 0 276057756 3772416 669 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134539547 0 0 4096 0 0 0 0 17 1 0 0
/proc/19761/statm: 921 669 95 220 0 698 0
Current children cumulated CPU time (s) 99.95
Current children cumulated vsize (KiB) 3684

Child status: 20
Real time (s): 100.058
CPU time (s): 100.029
CPU user time (s): 100.026
CPU system time (s): 0.002999
CPU usage (%): 99.9712
Max. virtual memory (cumulated for all children) (KiB): 3684

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 100.026
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 686
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= 6
involuntary context switches= 2043

runsolver used 0.103984 second user time and 0.239963 second system time

The end

Launcher Data (download as text)

Begin job on node1 on Tue Feb 27 07:23:47 UTC 2007

IDJOB= 310694
IDBENCH= 20294
IDSOLVER= 101
FILE ID= node1/310694-1172561027

PBS_JOBID= 3971669

Free space on /tmp= 66557 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.9/v630/unif2p-p0.9-v630-c2280-S702278147-14-UNSAT.cnf
COMMAND LINE= /tmp/evaluation/310694-1172561027/sat7_bin /tmp/evaluation/310694-1172561027/instance-310694-1172561027.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node1/watcher-310694-1172561027 -o ROOT/results/node1/solver-310694-1172561027 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310694-1172561027/sat7_bin /tmp/evaluation/310694-1172561027/instance-310694-1172561027.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  1db2498a7e6d8ef104366dc61af40976

RANDOM SEED= 959660234

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node1.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		: 3000.230
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		: 3000.230
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:       1712008 kB
Buffers:         47272 kB
Cached:         202752 kB
SwapCached:      19188 kB
Active:         206716 kB
Inactive:        71872 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1712008 kB
SwapTotal:     4192956 kB
SwapFree:      4156676 kB
Dirty:            1196 kB
Writeback:           0 kB
Mapped:          29960 kB
Slab:            50852 kB
Committed_AS:   845708 kB
PageTables:       1740 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= 66557 MiB

End job on node1 on Tue Feb 27 07:25:27 UTC 2007