Trace number 1773972

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)UNSAT 84.5491 84.578

General information on the benchmark

NameAPPLICATIONS/crypto/
md5gen/gus-md5-07.cnf
MD5SUMd5384c4b81fff59c87944d03e9ed7d02
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark84.5491
Satisfiable
(Un)Satisfiability was proved
Number of variables69097
Number of clauses225325
Sum of the clauses size583973
Maximum clause length3
Minimum clause length1
Number of clauses of size 1129
Number of clauses of size 291744
Number of clauses of size 3133452
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

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 |                                                                             |
0.19/0.26	c |  Number of variables:         69097                                         |
0.19/0.26	c |  Number of clauses:          224682                                         |
0.19/0.26	c |  Parse time:                   0.24 s                                       |
1.19/1.25	c |  Simplification time:          0.97 s                                       |
1.19/1.25	c |                                                                             |
1.19/1.25	c ============================[ Search Statistics ]==============================
1.19/1.25	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
1.19/1.25	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
1.19/1.25	c ===============================================================================
1.49/1.55	c |       100 |   28269   162257   549097 |    59494       96     96 |  0.421 % |
2.19/2.29	c |       250 |   28257   162203   548936 |    65443      241     59 |  0.439 % |
3.39/3.44	c |       475 |   28254   162129   548728 |    71988      463     88 |  0.443 % |
6.19/6.23	c |       812 |   28254   162129   548728 |    79186      800    109 |  0.443 % |
9.49/9.50	c |      1318 |   28254   162129   548728 |    87105     1306    109 |  0.443 % |
14.29/14.38	c |      2077 |   28254   162129   548728 |    95816     2065    120 |  0.443 % |
22.49/22.54	c |      3216 |   28232   161975   548245 |   105397     3200    119 |  0.475 % |
32.68/32.73	c |      4924 |   28231   161967   548217 |   115937     4904    111 |  0.476 % |
53.57/53.60	c |      7486 |   28231   161967   548217 |   127531     7466    105 |  0.476 % |
84.47/84.57	c ===============================================================================
84.47/84.57	c restarts              : 46
84.47/84.57	c conflicts             : 10957          (130 /sec)
84.47/84.57	c decisions             : 19875          (235 /sec)
84.47/84.57	c propagations          : 104877242      (1241413 /sec)
84.47/84.57	c conflict literals     : 978845         (49.27 % deleted)
84.47/84.57	c Memory used           : 31.59 MB
84.47/84.57	c CPU time              : 84.4822 s
84.47/84.57	c 
84.47/84.57	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1773972-1241216084/watcher-1773972-1241216084 -o /tmp/evaluation-result-1773972-1241216084/solver-1773972-1241216084 -C 10000 -W 12000 -M 1800 HOME/minisat HOME/instance-1773972-1241216084.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23554
/proc/meminfo: memFree=1097096/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=8188 CPUtime=0
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 533 0 0 0 0 0 0 0 18 0 1 0 149641383 8384512 517 1992294400 4194304 5092341 548682068848 18446744073709551615 4515648 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 2047 523 62 219 0 1825 0

[startup+0.057501 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23554
/proc/meminfo: memFree=1097096/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=17188 CPUtime=0.04
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 2597 0 0 0 4 0 0 0 18 0 1 0 149641383 17600512 2559 1992294400 4194304 5092341 548682068848 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 4297 2559 63 219 0 4075 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 17188

[startup+0.101505 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23554
/proc/meminfo: memFree=1097096/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=20688 CPUtime=0.09
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 3759 0 0 0 8 1 0 0 18 0 1 0 149641383 21184512 3619 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 5172 3620 63 219 0 4950 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 20688

[startup+0.301538 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23554
/proc/meminfo: memFree=1097096/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=28420 CPUtime=0.29
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 6758 0 0 0 26 3 0 0 19 0 1 0 149641383 29102080 6188 1992294400 4194304 5092341 548682068848 18446744073709551615 4219508 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 7105 6188 87 219 0 6883 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 28420

[startup+0.701602 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23554
/proc/meminfo: memFree=1097096/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=34668 CPUtime=0.69
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 8013 0 0 0 66 3 0 0 23 0 1 0 149641383 35500032 7443 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8667 7443 87 219 0 8445 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 34668

[startup+1.50173 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23555
/proc/meminfo: memFree=1064512/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=29744 CPUtime=1.49
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 9538 0 0 0 145 4 0 0 25 0 1 0 149641383 30457856 6179 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 7436 6179 91 219 0 7214 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 29744

[startup+3.10298 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23555
/proc/meminfo: memFree=1072320/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=29744 CPUtime=3.09
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 9577 0 0 0 305 4 0 0 25 0 1 0 149641383 30457856 6218 1992294400 4194304 5092341 548682068848 18446744073709551615 4240672 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 7436 6218 102 219 0 7214 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 29744

[startup+6.3015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23555
/proc/meminfo: memFree=1072000/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=29744 CPUtime=6.29
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 9630 0 0 0 625 4 0 0 25 0 1 0 149641383 30457856 6271 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 7436 6271 102 219 0 7214 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 29744

[startup+12.7015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23555
/proc/meminfo: memFree=1071488/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=29744 CPUtime=12.68
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 9758 0 0 0 1264 4 0 0 25 0 1 0 149641383 30457856 6399 1992294400 4194304 5092341 548682068848 18446744073709551615 4249091 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 7436 6399 102 219 0 7214 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 29744

[startup+25.5016 s]
/proc/loadavg: 1.07 1.02 1.00 2/65 23555
/proc/meminfo: memFree=1070464/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=29744 CPUtime=25.49
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10001 0 0 0 2544 5 0 0 25 0 1 0 149641383 30457856 6642 1992294400 4194304 5092341 548682068848 18446744073709551615 4241418 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 7436 6642 102 219 0 7214 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 29744

[startup+51.1017 s]
/proc/loadavg: 1.04 1.01 1.00 2/65 23555
/proc/meminfo: memFree=1069312/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=51.07
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10309 0 0 0 5102 5 0 0 25 0 1 0 149641383 33116160 6950 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 6950 102 219 0 7863 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 32340

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

[startup+63.9027 s]
/proc/loadavg: 1.04 1.01 1.00 2/65 23555
/proc/meminfo: memFree=1068928/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=63.88
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10410 0 0 0 6382 6 0 0 25 0 1 0 149641383 33116160 7051 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 7051 102 219 0 7863 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 32340

[startup+76.7017 s]
/proc/loadavg: 1.10 1.03 1.00 2/65 23555
/proc/meminfo: memFree=1068608/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=76.67
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10489 0 0 0 7661 6 0 0 25 0 1 0 149641383 33116160 7130 1992294400 4194304 5092341 548682068848 18446744073709551615 4249091 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 7130 102 219 0 7863 0
Current children cumulated CPU time (s) 76.67
Current children cumulated vsize (KiB) 32340

[startup+79.9013 s]
/proc/loadavg: 1.10 1.03 1.00 2/65 23555
/proc/meminfo: memFree=1068608/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=79.87
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10502 0 0 0 7981 6 0 0 25 0 1 0 149641383 33116160 7143 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 7143 102 219 0 7863 0
Current children cumulated CPU time (s) 79.87
Current children cumulated vsize (KiB) 32340

[startup+83.1018 s]
/proc/loadavg: 1.09 1.03 1.00 2/65 23555
/proc/meminfo: memFree=1068544/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=83.07
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10516 0 0 0 8301 6 0 0 25 0 1 0 149641383 33116160 7157 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 7157 102 219 0 7863 0
Current children cumulated CPU time (s) 83.07
Current children cumulated vsize (KiB) 32340

[startup+83.9019 s]
/proc/loadavg: 1.09 1.03 1.00 2/65 23555
/proc/meminfo: memFree=1068480/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=83.87
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10521 0 0 0 8381 6 0 0 25 0 1 0 149641383 33116160 7162 1992294400 4194304 5092341 548682068848 18446744073709551615 4241484 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 7162 102 219 0 7863 0
Current children cumulated CPU time (s) 83.87
Current children cumulated vsize (KiB) 32340

[startup+84.303 s]
/proc/loadavg: 1.09 1.03 1.00 2/65 23555
/proc/meminfo: memFree=1068480/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=84.27
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10522 0 0 0 8421 6 0 0 25 0 1 0 149641383 33116160 7163 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 7163 102 219 0 7863 0
Current children cumulated CPU time (s) 84.27
Current children cumulated vsize (KiB) 32340

[startup+84.502 s]
/proc/loadavg: 1.09 1.03 1.00 2/65 23555
/proc/meminfo: memFree=1068480/2055920 swapFree=4181456/4192956
[pid=23554] ppid=23552 vsize=32340 CPUtime=84.47
/proc/23554/stat : 23554 (minisat) R 23552 23554 23490 0 -1 4194304 10523 0 0 0 8441 6 0 0 25 0 1 0 149641383 33116160 7164 1992294400 4194304 5092341 548682068848 18446744073709551615 4240633 0 0 4096 3 0 0 0 17 1 0 0
/proc/23554/statm: 8085 7164 102 219 0 7863 0
Current children cumulated CPU time (s) 84.47
Current children cumulated vsize (KiB) 32340

Child status: 20
Real time (s): 84.578
CPU time (s): 84.5491
CPU user time (s): 84.4822
CPU system time (s): 0.066989
CPU usage (%): 99.9659
Max. virtual memory (cumulated for all children) (KiB): 39800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 84.4822
system time used= 0.066989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10533
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= 210

runsolver used 0.066989 second user time and 0.180972 second system time

The end

Launcher Data 

Begin job on node26 at 2009-05-02 00:14:44
IDJOB=1773972
IDBENCH=70831
IDSOLVER=608
FILE ID=node26/1773972-1241216084
PBS_JOBID= 9224744
Free space on /tmp= 66464 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/crypto/md5gen/gus-md5-07.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1773972-1241216084/watcher-1773972-1241216084 -o /tmp/evaluation-result-1773972-1241216084/solver-1773972-1241216084 -C 10000 -W 12000 -M 1800  HOME/minisat HOME/instance-1773972-1241216084.cnf

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= d5384c4b81fff59c87944d03e9ed7d02
RANDOM SEED=1014352622

node26.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:       1097512 kB
Buffers:         86828 kB
Cached:         761288 kB
SwapCached:       5352 kB
Active:          83176 kB
Inactive:       772788 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1097512 kB
SwapTotal:     4192956 kB
SwapFree:      4181456 kB
Dirty:            4988 kB
Writeback:           0 kB
Mapped:          13560 kB
Slab:            88480 kB
Committed_AS:   634880 kB
PageTables:       1368 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 node26 at 2009-05-02 00:16:09