Trace number 1561561

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
MiniSat 2.1 (Sat-race'08 Edition)SAT 5.40418 5.40734

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_4_9_exp.cnf
MD5SUM4b407f7d85e83c60fceae64b7f0e6e1f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.43233
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses26387
Sum of the clauses size71003
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 214880
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data 

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.02	c |  Number of variables:          1677                                         |
0.00/0.02	c |  Number of clauses:           26387                                         |
0.00/0.02	c |  Parse time:                   0.02 s                                       |
0.00/0.07	c |  Simplification time:          0.05 s                                       |
0.00/0.07	c |                                                                             |
0.00/0.07	c ============================[ Search Statistics ]==============================
0.00/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.07	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.07	c ===============================================================================
0.00/0.07	c |       100 |    1673    25987    69839 |     9528      100     18 |  0.000 % |
0.00/0.07	c |       250 |    1673    25987    69839 |    10481      250     18 |  0.000 % |
0.00/0.08	c |       475 |    1673    25987    69839 |    11529      475     18 |  0.000 % |
0.07/0.08	c |       812 |    1664    25987    69839 |    12682      810     16 |  0.537 % |
0.07/0.10	c |      1318 |    1664    25987    69839 |    13950     1316     18 |  0.537 % |
0.09/0.11	c |      2077 |    1660    25765    69395 |    15345     2073     17 |  0.775 % |
0.09/0.14	c |      3216 |    1650    25765    69395 |    16880     3210     21 |  1.372 % |
0.19/0.20	c |      4924 |    1646    25546    68957 |    18568     4916     21 |  1.611 % |
0.19/0.28	c |      7486 |    1645    25546    68957 |    20425     7477     22 |  1.670 % |
0.39/0.45	c |     11330 |    1635    25528    68909 |    22467    11316     24 |  2.266 % |
0.79/0.86	c |     17096 |    1634    25372    68579 |    24714    17068     30 |  2.326 % |
1.89/1.90	c |     25745 |    1633    25354    68531 |    27186    13302     32 |  2.385 % |
3.59/3.68	c |     38719 |    1631    25340    68497 |    29904    26273     43 |  2.506 % |
5.29/5.40	c ===============================================================================
5.29/5.40	c restarts              : 156
5.29/5.40	c conflicts             : 50214          (9361 /sec)
5.29/5.40	c decisions             : 159038         (29648 /sec)
5.29/5.40	c propagations          : 4453267        (830185 /sec)
5.29/5.40	c conflict literals     : 2164387        (24.81 % deleted)
5.29/5.40	c Memory used           : 15.49 MB
5.29/5.40	c CPU time              : 5.36418 s
5.29/5.40	c 
5.29/5.40	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1561561-1238767147/watcher-1561561-1238767147 -o /tmp/evaluation-result-1561561-1238767147/solver-1561561-1238767147 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1561561-1238767147.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): 1800 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: 1.45 1.73 1.43 3/72 2160
/proc/meminfo: memFree=1830048/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=7600 CPUtime=0
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 304 0 0 0 0 0 0 0 18 0 1 0 1149375952 7782400 288 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 1900 289 63 219 0 1678 0

[startup+0.0846231 s]
/proc/loadavg: 1.45 1.73 1.43 3/72 2160
/proc/meminfo: memFree=1830048/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=8740 CPUtime=0.07
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 822 0 0 0 7 0 0 0 18 0 1 0 1149375952 8949760 684 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 2185 684 102 219 0 1963 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 8740

[startup+0.101626 s]
/proc/loadavg: 1.45 1.73 1.43 3/72 2160
/proc/meminfo: memFree=1830048/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=8740 CPUtime=0.09
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 837 0 0 0 9 0 0 0 18 0 1 0 1149375952 8949760 699 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 2185 699 102 219 0 1963 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8740

[startup+0.301664 s]
/proc/loadavg: 1.45 1.73 1.43 3/72 2160
/proc/meminfo: memFree=1830048/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=8740 CPUtime=0.29
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 998 0 0 0 28 1 0 0 19 0 1 0 1149375952 8949760 860 1992294400 4194304 5092341 548682068848 18446744073709551615 4249648 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 2185 860 103 219 0 1963 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8740

[startup+0.701739 s]
/proc/loadavg: 1.45 1.73 1.43 3/72 2160
/proc/meminfo: memFree=1830048/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=9304 CPUtime=0.69
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 1387 0 0 0 68 1 0 0 22 0 1 0 1149375952 9527296 1249 1992294400 4194304 5092341 548682068848 18446744073709551615 4241260 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 2326 1249 103 219 0 2104 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9304

[startup+1.50189 s]
/proc/loadavg: 1.45 1.73 1.43 2/73 2162
/proc/meminfo: memFree=1824472/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=9920 CPUtime=1.49
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 1924 0 0 0 148 1 0 0 25 0 1 0 1149375952 10158080 1786 1992294400 4194304 5092341 548682068848 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 2480 1786 103 219 0 2258 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9920

[startup+3.10119 s]
/proc/loadavg: 1.41 1.72 1.43 2/73 2162
/proc/meminfo: memFree=1824024/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=10268 CPUtime=3.09
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 3177 0 0 0 307 2 0 0 25 0 1 0 1149375952 10514432 2030 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 2567 2030 103 219 0 2345 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10268

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

[startup+4.70149 s]
/proc/loadavg: 1.41 1.72 1.43 2/73 2162
/proc/meminfo: memFree=1815128/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=15860 CPUtime=4.69
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 5574 0 0 0 466 3 0 0 25 0 1 0 1149375952 16240640 3009 1992294400 4194304 5092341 548682068848 18446744073709551615 4244091 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 3965 3009 103 219 0 3743 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 15860

[startup+5.10157 s]
/proc/loadavg: 1.41 1.72 1.43 2/73 2162
/proc/meminfo: memFree=1815128/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=15860 CPUtime=5.09
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 5722 0 0 0 506 3 0 0 25 0 1 0 1149375952 16240640 3157 1992294400 4194304 5092341 548682068848 18446744073709551615 4241025 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 3965 3157 103 219 0 3743 0
Current children cumulated CPU time (s) 5.09
Current children cumulated vsize (KiB) 15860

[startup+5.30161 s]
/proc/loadavg: 1.41 1.72 1.43 2/73 2162
/proc/meminfo: memFree=1815128/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=15860 CPUtime=5.29
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194304 5799 0 0 0 526 3 0 0 25 0 1 0 1149375952 16240640 3234 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 3965 3234 103 219 0 3743 0
Current children cumulated CPU time (s) 5.29
Current children cumulated vsize (KiB) 15860

[startup+5.40162 s]
/proc/loadavg: 1.41 1.72 1.43 2/73 2162
/proc/meminfo: memFree=1817048/2055920 swapFree=4174988/4192956
[pid=2160] ppid=2158 vsize=0 CPUtime=5.39
/proc/2160/stat : 2160 (minisat) R 2158 2160 2091 0 -1 4194308 5842 0 0 0 536 3 0 0 25 0 1 0 1149375952 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/2160/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 5.39
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 5.40734
CPU time (s): 5.40418
CPU user time (s): 5.36418
CPU system time (s): 0.039993
CPU usage (%): 99.9415
Max. virtual memory (cumulated for all children) (KiB): 18460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.36418
system time used= 0.039993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5842
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= 2
involuntary context switches= 24

runsolver used 0.008998 second user time and 0.021996 second system time

The end

Launcher Data 

Begin job on node64 at 2009-04-03 15:59:07
IDJOB=1561561
IDBENCH=70917
IDSOLVER=546
FILE ID=node64/1561561-1238767147
PBS_JOBID= 9085519
Free space on /tmp= 66520 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561561-1238767147/watcher-1561561-1238767147 -o /tmp/evaluation-result-1561561-1238767147/solver-1561561-1238767147 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1561561-1238767147.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=1826383841

node64.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.261
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		: 3000.261
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:       1830528 kB
Buffers:         22540 kB
Cached:         124900 kB
SwapCached:       8688 kB
Active:          76328 kB
Inactive:        81516 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1830528 kB
SwapTotal:     4192956 kB
SwapFree:      4174988 kB
Dirty:            1528 kB
Writeback:           0 kB
Mapped:          16108 kB
Slab:            52532 kB
Committed_AS:  3256956 kB
PageTables:       2000 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66520 MiB
End job on node64 at 2009-04-03 15:59:12