Trace number 428325

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)UNSAT 57.9412 57.9586

General information on the benchmark

Namecrafted/spence/
medium/s77-100.cnf
MD5SUM124e32713f66a3b30ead344822177706
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark15.9906
Satisfiable
(Un)Satisfiability was proved
Number of variables77
Number of clauses164
Sum of the clauses size492
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 3164
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:  77                                                   |
0.00/0.00	|  Number of clauses:    164                                                  |
0.00/0.00	|  Parsing time:         0.00         s                                       |
0.00/0.00	============================[ Search Statistics ]==============================
0.00/0.00	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.00	===============================================================================
0.00/0.00	|         0 |      77      164      492 |       54        0    nan |  0.000 % |
0.00/0.00	|       100 |      77      164      492 |       60       64     13 |  0.017 % |
0.00/0.00	|       251 |      77      164      492 |       66       93     12 |  0.017 % |
0.00/0.00	|       476 |      77      164      492 |       72       93     11 |  0.017 % |
0.00/0.01	|       813 |      77      164      492 |       80       77     10 |  0.017 % |
0.00/0.02	|      1320 |      77      164      492 |       88      103     11 |  0.017 % |
0.00/0.03	|      2079 |      77      164      492 |       96      102      9 |  0.017 % |
0.00/0.04	|      3219 |      77      164      492 |      106      115     10 |  0.017 % |
0.00/0.07	|      4927 |      77      164      492 |      117       96      9 |  0.017 % |
0.10/0.11	|      7490 |      77      164      492 |      128      132     11 |  0.017 % |
0.10/0.17	|     11334 |      77      164      492 |      141      117     10 |  0.017 % |
0.20/0.26	|     17100 |      77      164      492 |      155      114      9 |  0.017 % |
0.40/0.40	|     25749 |      77      164      492 |      171      139      9 |  0.017 % |
0.60/0.62	|     38723 |      77      164      492 |      188      208     12 |  0.017 % |
0.90/0.94	|     58184 |      77      164      492 |      207      163      9 |  0.017 % |
1.40/1.43	|     87376 |      77      164      492 |      228      210     11 |  0.017 % |
2.10/2.18	|    131165 |      77      164      492 |      251      192     10 |  0.017 % |
3.30/3.30	|    196850 |      77      164      492 |      276      159      8 |  0.017 % |
4.89/4.94	|    295376 |      77      164      492 |      303      274     11 |  0.017 % |
7.39/7.46	|    443165 |      77      164      492 |      334      315     10 |  0.017 % |
11.29/11.37	|    664848 |      77      164      492 |      367      218      9 |  0.017 % |
17.29/17.31	|    997373 |      77      164      492 |      404      273      9 |  0.017 % |
26.29/26.38	|   1496161 |      77      164      492 |      445      306      9 |  0.018 % |
39.88/39.93	|   2244343 |      77      164      492 |      489      400      8 |  0.085 % |
57.87/57.95	===============================================================================
57.87/57.95	lookaheads            : 3064001
57.87/57.95	variable balance      : 0.00
57.87/57.95	restarts              : 24
57.87/57.95	conflicts             : 3207113        (55357 /sec)
57.87/57.95	decisions             : 3629060        (1.58 % random) (62640 /sec)
57.87/57.95	decision = positive   : 1789954
57.87/57.95	decision = negative   : 1839106
57.87/57.95	propagations          : 81270093       (1402776 /sec)
57.87/57.95	conflict literals     : 38804178       (16.44 % deleted)
57.87/57.95	Memory used           : 1.82 MB
57.87/57.95	CPU time              : 57.9352 s
57.87/57.95	
57.87/57.95	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node62/watcher-428325-1177717084 -o ROOT/results/node62/solver-428325-1177717084 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/428325-1177717084/minimarch_fixed /tmp/evaluation/428325-1177717084/instance-428325-1177717084.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: 1.00 1.00 1.00 3/64 2177
/proc/meminfo: memFree=1467712/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=0
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 99 0 0 0 0 0 0 0 18 0 1 0 90284400 1773568 84 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552491 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 84 67 132 0 298 0

[startup+0.0847811 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2177
/proc/meminfo: memFree=1467712/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=0.08
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 102 0 0 0 8 0 0 0 18 0 1 0 90284400 1773568 87 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134631263 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 87 67 132 0 298 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1732

[startup+0.101783 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2177
/proc/meminfo: memFree=1467712/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=0.1
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 102 0 0 0 10 0 0 0 18 0 1 0 90284400 1773568 87 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551365 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 87 67 132 0 298 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1732

[startup+0.301806 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2177
/proc/meminfo: memFree=1467712/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=0.3
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 104 0 0 0 30 0 0 0 19 0 1 0 90284400 1773568 89 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557636 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 89 67 132 0 298 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 1732

[startup+0.701853 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2177
/proc/meminfo: memFree=1467712/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=0.7
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 106 0 0 0 70 0 0 0 22 0 1 0 90284400 1773568 91 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551137 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 91 67 132 0 298 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 1732

[startup+1.50195 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467512/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=1.5
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 111 0 0 0 150 0 0 0 25 0 1 0 90284400 1773568 96 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551667 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 96 67 132 0 298 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 1732

[startup+3.10113 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467384/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=3.09
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 114 0 0 0 309 0 0 0 25 0 1 0 90284400 1773568 99 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552554 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 99 67 132 0 298 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1732

[startup+6.30151 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467256/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=6.29
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 118 0 0 0 629 0 0 0 25 0 1 0 90284400 1773568 103 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551719 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 103 67 132 0 298 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1732

[startup+12.7013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1732 CPUtime=12.69
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 122 0 0 0 1269 0 0 0 25 0 1 0 90284400 1773568 107 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557700 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 433 107 67 132 0 298 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 1732

[startup+25.5018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1864 CPUtime=25.49
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 128 0 0 0 2549 0 0 0 25 0 1 0 90284400 1908736 113 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557347 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 466 113 67 132 0 331 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1864

[startup+51.1018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1864 CPUtime=51.08
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 135 0 0 0 5108 0 0 0 25 0 1 0 90284400 1908736 120 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134620333 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 466 120 67 132 0 331 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 1864

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

[startup+54.3011 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1864 CPUtime=54.27
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 136 0 0 0 5427 0 0 0 25 0 1 0 90284400 1908736 121 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551365 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 466 121 67 132 0 331 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 1864

[startup+55.9023 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1864 CPUtime=55.88
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 136 0 0 0 5588 0 0 0 25 0 1 0 90284400 1908736 121 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134631263 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 466 121 67 132 0 331 0
Current children cumulated CPU time (s) 55.88
Current children cumulated vsize (KiB) 1864

[startup+56.7014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1864 CPUtime=56.67
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 136 0 0 0 5667 0 0 0 25 0 1 0 90284400 1908736 121 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551374 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 466 121 67 132 0 331 0
Current children cumulated CPU time (s) 56.67
Current children cumulated vsize (KiB) 1864

[startup+57.5015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1864 CPUtime=57.47
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 136 0 0 0 5747 0 0 0 25 0 1 0 90284400 1908736 121 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134558546 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 466 121 67 132 0 331 0
Current children cumulated CPU time (s) 57.47
Current children cumulated vsize (KiB) 1864

[startup+57.9016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2178
/proc/meminfo: memFree=1467192/2055920 swapFree=4184584/4192956
[pid=2177] ppid=2175 vsize=1864 CPUtime=57.87
/proc/2177/stat : 2177 (minimarch_fixed) R 2175 2177 1316 0 -1 4194304 136 0 0 0 5787 0 0 0 25 0 1 0 90284400 1908736 121 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551541 0 0 4096 3 0 0 0 17 1 0 0
/proc/2177/statm: 466 121 67 132 0 331 0
Current children cumulated CPU time (s) 57.87
Current children cumulated vsize (KiB) 1864

Child status: 20
Real time (s): 57.9586
CPU time (s): 57.9412
CPU user time (s): 57.9352
CPU system time (s): 0.005999
CPU usage (%): 99.97
Max. virtual memory (cumulated for all children) (KiB): 1864

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 57.9352
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 143
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= 154

runsolver used 0.050992 second user time and 0.115982 second system time

The end

Launcher Data (download as text)

Begin job on node62 on Fri Apr 27 23:38:04 UTC 2007

IDJOB= 428325
IDBENCH= 20432
IDSOLVER= 198
FILE ID= node62/428325-1177717084

PBS_JOBID= 4698751

Free space on /tmp= 66536 MiB

SOLVER NAME= minimarch 2007-04-26 (fixed)
BENCH NAME= HOME/pub/bench/SAT07/crafted/spence/medium/s77-100.cnf
COMMAND LINE= /tmp/evaluation/428325-1177717084/minimarch_fixed /tmp/evaluation/428325-1177717084/instance-428325-1177717084.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node62/watcher-428325-1177717084 -o ROOT/results/node62/solver-428325-1177717084 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/428325-1177717084/minimarch_fixed /tmp/evaluation/428325-1177717084/instance-428325-1177717084.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  124e32713f66a3b30ead344822177706

RANDOM SEED= 73111347

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node62.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		: 3000.216
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		: 3000.216
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:       1468120 kB
Buffers:         47512 kB
Cached:         463680 kB
SwapCached:       2548 kB
Active:         240884 kB
Inactive:       280248 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1468120 kB
SwapTotal:     4192956 kB
SwapFree:      4184584 kB
Dirty:            2856 kB
Writeback:           0 kB
Mapped:          16380 kB
Slab:            52608 kB
Committed_AS:  1222864 kB
PageTables:       1460 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= 66536 MiB

End job on node62 on Fri Apr 27 23:39:02 UTC 2007