Trace number 427939

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
minimarch 2007-04-26 (fixed)SAT 20.3709 20.3789

General information on the benchmark

Namerandom/2+p/p0.7/v3500/
unif2p-p0.7-v3500-c9345-S1568322528-08-SAT.cnf
MD5SUMd0f9a30f8fda4c844dc97689f3035cdb
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.613906
Satisfiable
(Un)Satisfiability was proved
Number of variables3494
Number of clauses9344
Sum of the clauses size25229
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22803
Number of clauses of size 36541
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	This is MiniMarch 1.1, a modified version of MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  3500                                                 |
0.00/0.00	|  Number of clauses:    9344                                                 |
0.00/0.02	|  Parsing time:         0.02         s                                       |
0.00/0.06	============================[ Search Statistics ]==============================
0.00/0.06	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.06	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.06	===============================================================================
0.00/0.06	|         0 |    2466     7793    23590 |     2597        0    nan |  0.000 % |
0.00/0.07	|       101 |    2465     7793    23590 |     2857      100     21 |  0.200 % |
0.00/0.08	|       252 |    2459     7760    23499 |     3143      251     22 |  0.200 % |
0.09/0.11	|       477 |    2459     7760    23499 |     3457      476     23 |  0.200 % |
0.09/0.15	|       815 |    2459     7760    23499 |     3803      814     22 |  0.200 % |
0.19/0.21	|      1321 |    2459     7760    23499 |     4183     1320     24 |  0.200 % |
0.29/0.31	|      2080 |    2459     7760    23499 |     4601     2079     23 |  0.200 % |
0.39/0.46	|      3219 |    2459     7760    23499 |     5062     3218     24 |  0.200 % |
0.69/0.74	|      4930 |    2459     7760    23499 |     5568     4929     26 |  0.200 % |
1.09/1.14	|      7492 |    2459     7760    23499 |     6125     4625     27 |  0.200 % |
1.79/1.82	|     11336 |    2459     7760    23499 |     6737     5281     27 |  0.200 % |
2.69/2.79	|     17104 |    2459     7760    23499 |     7411     4077     28 |  0.200 % |
4.39/4.44	|     25754 |    2459     7760    23499 |     8152     5150     30 |  0.200 % |
6.89/6.95	|     38728 |    2459     7760    23499 |     8967     5671     24 |  0.200 % |
10.79/10.81	|     58191 |    2459     7760    23499 |     9864     6856     27 |  0.200 % |
16.88/16.97	|     87383 |    2459     7760    23499 |    10851     5641     21 |  0.200 % |
20.28/20.37	===============================================================================
20.28/20.37	lookaheads            : 6774
20.28/20.37	variable balance      : 0.00
20.28/20.37	restarts              : 16
20.28/20.37	conflicts             : 103302         (5074 /sec)
20.28/20.37	decisions             : 136081         (1.69 % random) (6684 /sec)
20.28/20.37	decision = positive   : 68621
20.28/20.37	decision = negative   : 67459
20.28/20.37	propagations          : 30897055       (1517544 /sec)
20.28/20.37	conflict literals     : 2958092        (37.89 % deleted)
20.28/20.37	Memory used           : 4.67 MB
20.28/20.37	CPU time              : 20.3599 s
20.28/20.37	
20.28/20.37	s SATISFIABLE
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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/node35/watcher-427939-1177689811 -o ROOT/results/node35/solver-427939-1177689811 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/427939-1177689811/minimarch_fixed /tmp/evaluation/427939-1177689811/instance-427939-1177689811.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: 0.91 0.95 0.96 3/77 31263
/proc/meminfo: memFree=1626704/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=2296 CPUtime=0
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 248 0 0 0 0 0 0 0 18 0 1 0 216896534 2351104 233 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134515962 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 574 233 51 132 0 439 0

[startup+0.099423 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 31263
/proc/meminfo: memFree=1626704/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=3040 CPUtime=0.09
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 474 0 0 0 9 0 0 0 18 0 1 0 216896534 3112960 459 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134553534 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 760 459 67 132 0 625 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3040

[startup+0.101423 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 31263
/proc/meminfo: memFree=1626704/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=3040 CPUtime=0.09
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 474 0 0 0 9 0 0 0 18 0 1 0 216896534 3112960 459 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551227 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 760 459 67 132 0 625 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3040

[startup+0.301447 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 31263
/proc/meminfo: memFree=1626704/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=3040 CPUtime=0.29
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 474 0 0 0 29 0 0 0 19 0 1 0 216896534 3112960 459 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557581 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 760 459 67 132 0 625 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3040

[startup+0.701494 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 31263
/proc/meminfo: memFree=1626704/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=3312 CPUtime=0.69
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 523 0 0 0 69 0 0 0 22 0 1 0 216896534 3391488 508 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552691 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 828 508 67 132 0 693 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3312

[startup+1.50159 s]
/proc/loadavg: 0.91 0.95 0.96 2/78 31264
/proc/meminfo: memFree=1624776/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=3592 CPUtime=1.49
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 601 0 0 0 149 0 0 0 25 0 1 0 216896534 3678208 586 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551772 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 898 586 67 132 0 763 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3592

[startup+3.10178 s]
/proc/loadavg: 0.91 0.95 0.96 2/78 31264
/proc/meminfo: memFree=1624328/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=3724 CPUtime=3.09
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 648 0 0 0 309 0 0 0 25 0 1 0 216896534 3813376 633 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551235 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 931 633 67 132 0 796 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3724

[startup+6.30115 s]
/proc/loadavg: 0.92 0.95 0.96 2/78 31264
/proc/meminfo: memFree=1623688/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=4252 CPUtime=6.29
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 753 0 0 0 629 0 0 0 25 0 1 0 216896534 4354048 738 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134550973 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 1063 738 67 132 0 928 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 4252

[startup+12.7019 s]
/proc/loadavg: 0.93 0.95 0.96 2/78 31264
/proc/meminfo: memFree=1623368/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=4516 CPUtime=12.69
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 824 0 0 0 1269 0 0 0 25 0 1 0 216896534 4624384 809 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551750 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 1129 809 67 132 0 994 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 4516

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

[startup+15.9013 s]
/proc/loadavg: 0.93 0.96 0.96 2/78 31264
/proc/meminfo: memFree=1623240/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=4648 CPUtime=15.88
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 862 0 0 0 1588 0 0 0 25 0 1 0 216896534 4759552 847 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551227 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 1162 847 67 132 0 1027 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 4648

[startup+17.5015 s]
/proc/loadavg: 0.93 0.96 0.96 2/78 31264
/proc/meminfo: memFree=1623176/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=4648 CPUtime=17.49
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 870 0 0 0 1749 0 0 0 25 0 1 0 216896534 4759552 855 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551353 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 1162 855 67 132 0 1027 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 4648

[startup+19.1016 s]
/proc/loadavg: 0.93 0.96 0.96 2/78 31264
/proc/meminfo: memFree=1623176/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=4648 CPUtime=19.08
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 875 0 0 0 1908 0 0 0 25 0 1 0 216896534 4759552 860 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551374 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 1162 860 67 132 0 1027 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 4648

[startup+19.9017 s]
/proc/loadavg: 0.94 0.96 0.96 2/78 31264
/proc/meminfo: memFree=1623048/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=4780 CPUtime=19.88
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 902 0 0 0 1988 0 0 0 25 0 1 0 216896534 4894720 887 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551772 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 1195 887 67 132 0 1060 0
Current children cumulated CPU time (s) 19.88
Current children cumulated vsize (KiB) 4780

[startup+20.3018 s]
/proc/loadavg: 0.94 0.96 0.96 2/78 31264
/proc/meminfo: memFree=1623048/2055920 swapFree=4151088/4192956
[pid=31263] ppid=31261 vsize=4780 CPUtime=20.28
/proc/31263/stat : 31263 (minimarch_fixed) R 31261 31263 30228 0 -1 4194304 905 0 0 0 2028 0 0 0 25 0 1 0 216896534 4894720 890 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134550926 0 0 4096 3 0 0 0 17 1 0 0
/proc/31263/statm: 1195 890 67 132 0 1060 0
Current children cumulated CPU time (s) 20.28
Current children cumulated vsize (KiB) 4780

Child status: 10
Real time (s): 20.3789
CPU time (s): 20.3709
CPU user time (s): 20.3609
CPU system time (s): 0.009998
CPU usage (%): 99.9609
Max. virtual memory (cumulated for all children) (KiB): 4780

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.3609
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 916
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= 21

runsolver used 0.018997 second user time and 0.055991 second system time

The end

Launcher Data (download as text)

Begin job on node35 on Fri Apr 27 16:03:31 UTC 2007

IDJOB= 427939
IDBENCH= 20226
IDSOLVER= 198
FILE ID= node35/427939-1177689811

PBS_JOBID= 4698628

Free space on /tmp= 66375 MiB

SOLVER NAME= minimarch 2007-04-26 (fixed)
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v3500/unif2p-p0.7-v3500-c9345-S1568322528-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/427939-1177689811/minimarch_fixed /tmp/evaluation/427939-1177689811/instance-427939-1177689811.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node35/watcher-427939-1177689811 -o ROOT/results/node35/solver-427939-1177689811 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/427939-1177689811/minimarch_fixed /tmp/evaluation/427939-1177689811/instance-427939-1177689811.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  d0f9a30f8fda4c844dc97689f3035cdb

RANDOM SEED= 774318652

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node35.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		: 3000.232
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		: 3000.232
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:       1627112 kB
Buffers:         40560 kB
Cached:         307884 kB
SwapCached:       9848 kB
Active:         250468 kB
Inactive:       122744 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1627112 kB
SwapTotal:     4192956 kB
SwapFree:      4151088 kB
Dirty:            3032 kB
Writeback:           0 kB
Mapped:          30852 kB
Slab:            40908 kB
Committed_AS:  2621532 kB
PageTables:       1996 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= 66375 MiB

End job on node35 on Fri Apr 27 16:03:52 UTC 2007