Trace number 333145

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 108.341 108.472

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.77773
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data (download as text)

0.09/0.15	c Starting solver ...
0.09/0.16	c Restarting after 102 conflicts
0.09/0.16	c Restarting after 253 conflicts
0.09/0.17	c Restarting after 478 conflicts
0.09/0.18	c Restarting after 815 conflicts
0.09/0.19	c Restarting after 1321 conflicts
0.19/0.22	c Restarting after 2081 conflicts
0.19/0.27	c Restarting after 3220 conflicts
0.29/0.36	c Restarting after 4928 conflicts
0.49/0.50	c Restarting after 7492 conflicts
0.69/0.77	c Restarting after 11336 conflicts
1.39/1.40	c Restarting after 17105 conflicts
2.29/2.36	c Restarting after 25754 conflicts
4.09/4.16	c Restarting after 38728 conflicts
6.98/7.05	c Restarting after 58189 conflicts
12.09/12.13	c Restarting after 87381 conflicts
19.89/19.95	c Restarting after 131171 conflicts
35.58/35.61	c Restarting after 196855 conflicts
65.11/65.24	c Restarting after 295382 conflicts
108.26/108.45	s SATISFIABLE
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108.26/108.45	v 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node9/watcher-333145-1173502818 -o ROOT/results/node9/solver-333145-1173502818 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333145-1173502818/sat7_bin /tmp/evaluation/333145-1173502818/instance-333145-1173502818.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2400 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: 1.15 1.04 1.01 3/77 16889
/proc/meminfo: memFree=1629496/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=1336 CPUtime=0
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 201 0 0 0 0 0 0 0 18 0 1 0 370236423 1368064 184 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134546624 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 334 184 88 220 0 111 0

[startup+0.026988 s]
/proc/loadavg: 1.15 1.04 1.01 3/77 16889
/proc/meminfo: memFree=1629496/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=1596 CPUtime=0.02
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 247 0 0 0 2 0 0 0 18 0 1 0 370236423 1634304 230 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134546624 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 399 230 88 220 0 176 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1596

[startup+0.102002 s]
/proc/loadavg: 1.15 1.04 1.01 3/77 16889
/proc/meminfo: memFree=1629496/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=2112 CPUtime=0.09
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 401 0 0 0 9 0 0 0 18 0 1 0 370236423 2162688 384 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 135029844 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 528 384 88 220 0 305 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2112

[startup+0.30104 s]
/proc/loadavg: 1.15 1.04 1.01 3/77 16889
/proc/meminfo: memFree=1629496/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=5336 CPUtime=0.29
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 684 0 0 0 29 0 0 0 19 0 1 0 370236423 5464064 667 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 1334 667 95 220 0 1111 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5336

[startup+0.701117 s]
/proc/loadavg: 1.15 1.04 1.01 3/77 16889
/proc/meminfo: memFree=1629496/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=5336 CPUtime=0.69
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 916 0 0 0 69 0 0 0 22 0 1 0 370236423 5464064 899 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134542721 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 1334 899 95 220 0 1111 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5336

[startup+1.50127 s]
/proc/loadavg: 1.15 1.04 1.01 2/78 16890
/proc/meminfo: memFree=1625776/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=5336 CPUtime=1.49
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 1142 0 0 0 149 0 0 0 25 0 1 0 370236423 5464064 1125 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532542 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 1334 1125 95 220 0 1111 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5336

[startup+3.10158 s]
/proc/loadavg: 1.15 1.04 1.01 2/78 16890
/proc/meminfo: memFree=1624752/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=9436 CPUtime=3.09
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 1305 0 0 0 309 0 0 0 25 0 1 0 370236423 9662464 1288 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2359 1288 95 220 0 2136 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9436

[startup+6.3012 s]
/proc/loadavg: 1.14 1.04 1.01 2/78 16890
/proc/meminfo: memFree=1623536/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=9568 CPUtime=6.29
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 1549 0 0 0 629 0 0 0 25 0 1 0 370236423 9797632 1532 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2392 1532 95 220 0 2169 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 9568

[startup+12.7024 s]
/proc/loadavg: 1.13 1.04 1.01 2/78 16890
/proc/meminfo: memFree=1622896/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=9700 CPUtime=12.68
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 1699 0 0 0 1268 0 0 0 25 0 1 0 370236423 9932800 1682 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532620 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2425 1682 95 220 0 2202 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 9700

[startup+25.5019 s]
/proc/loadavg: 1.10 1.04 1.00 2/78 16890
/proc/meminfo: memFree=1621936/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=10096 CPUtime=25.49
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 1942 0 0 0 2548 1 0 0 25 0 1 0 370236423 10338304 1925 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2524 1925 95 220 0 2301 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 10096

[startup+51.1018 s]
/proc/loadavg: 1.07 1.03 1.00 2/84 16956
/proc/meminfo: memFree=1619584/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=10624 CPUtime=51.04
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 2210 0 0 0 5103 1 0 0 25 0 1 0 370236423 10878976 2193 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2656 2193 95 220 0 2433 0
Current children cumulated CPU time (s) 51.04
Current children cumulated vsize (KiB) 10624

[startup+102.307 s]
/proc/loadavg: 1.03 1.03 1.00 2/84 17048
/proc/meminfo: memFree=1617856/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=11296 CPUtime=102.18
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 2610 0 0 0 10216 2 0 0 25 0 1 0 370236423 11567104 2593 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2824 2593 95 220 0 2601 0
Current children cumulated CPU time (s) 102.18
Current children cumulated vsize (KiB) 11296

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

[startup+105.501 s]
/proc/loadavg: 1.02 1.03 1.00 2/84 17054
/proc/meminfo: memFree=1617792/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=11296 CPUtime=105.37
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 2623 0 0 0 10535 2 0 0 25 0 1 0 370236423 11567104 2606 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134525826 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2824 2606 95 220 0 2601 0
Current children cumulated CPU time (s) 105.37
Current children cumulated vsize (KiB) 11296

[startup+107.102 s]
/proc/loadavg: 1.02 1.03 1.00 2/84 17054
/proc/meminfo: memFree=1617792/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=11432 CPUtime=106.96
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 2643 0 0 0 10694 2 0 0 25 0 1 0 370236423 11706368 2626 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2858 2626 95 220 0 2635 0
Current children cumulated CPU time (s) 106.96
Current children cumulated vsize (KiB) 11432

[startup+107.902 s]
/proc/loadavg: 1.02 1.03 1.00 2/84 17056
/proc/meminfo: memFree=1617664/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=11432 CPUtime=107.76
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 2643 0 0 0 10774 2 0 0 25 0 1 0 370236423 11706368 2626 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532548 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2858 2626 95 220 0 2635 0
Current children cumulated CPU time (s) 107.76
Current children cumulated vsize (KiB) 11432

[startup+108.302 s]
/proc/loadavg: 1.02 1.03 1.00 2/84 17056
/proc/meminfo: memFree=1617664/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=11432 CPUtime=108.16
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 2643 0 0 0 10814 2 0 0 25 0 1 0 370236423 11706368 2626 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2858 2626 95 220 0 2635 0
Current children cumulated CPU time (s) 108.16
Current children cumulated vsize (KiB) 11432

[startup+108.402 s]
/proc/loadavg: 1.02 1.03 1.00 2/84 17056
/proc/meminfo: memFree=1617664/2055920 swapFree=4152252/4192956
[pid=16889] ppid=16887 vsize=11432 CPUtime=108.26
/proc/16889/stat : 16889 (sat7_bin) R 16887 16889 14687 0 -1 4194304 2643 0 0 0 10824 2 0 0 25 0 1 0 370236423 11706368 2626 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528612 0 0 4096 0 0 0 0 17 1 0 0
/proc/16889/statm: 2858 2626 95 220 0 2635 0
Current children cumulated CPU time (s) 108.26
Current children cumulated vsize (KiB) 11432

Child status: 10
Real time (s): 108.472
CPU time (s): 108.341
CPU user time (s): 108.315
CPU system time (s): 0.025996
CPU usage (%): 99.8784
Max. virtual memory (cumulated for all children) (KiB): 11432

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 108.315
system time used= 0.025996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2645
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= 423

runsolver used 0.111982 second user time and 0.289955 second system time

The end

Launcher Data (download as text)

Begin job on node9 on Sat Mar 10 05:00:18 UTC 2007

IDJOB= 333145
IDBENCH= 24597
IDSOLVER= 101
FILE ID= node9/333145-1173502818

PBS_JOBID= 4101103

Free space on /tmp= 66464 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333145-1173502818/sat7_bin /tmp/evaluation/333145-1173502818/instance-333145-1173502818.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-333145-1173502818 -o ROOT/results/node9/solver-333145-1173502818 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333145-1173502818/sat7_bin /tmp/evaluation/333145-1173502818/instance-333145-1173502818.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  50ea7ab54b71dd15b01cd5fd293d58eb

RANDOM SEED= 161250117

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node9.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		: 3000.263
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		: 3000.263
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:       1629968 kB
Buffers:         48112 kB
Cached:         289588 kB
SwapCached:       8828 kB
Active:         178928 kB
Inactive:       181896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1629968 kB
SwapTotal:     4192956 kB
SwapFree:      4152252 kB
Dirty:            1840 kB
Writeback:           0 kB
Mapped:          30000 kB
Slab:            50812 kB
Committed_AS:  1479176 kB
PageTables:       1688 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= 66464 MiB

End job on node9 on Sat Mar 10 05:02:07 UTC 2007