Trace number 1723391

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 1.13982 1.14217

General information on the benchmark

Nameeen-tip-uns-nusmv-t5.B.cnf
MD5SUM5a0032960b52c5fb367771f030675e6c
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.13982
Satisfiable
(Un)Satisfiability was proved
Number of variables59265
Number of clauses170983
Sum of the clauses size413505
Maximum clause length23
Minimum clause length1
Number of clauses of size 123
Number of clauses of size 299418
Number of clauses of size 371541
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 51

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 |                                                                             |
0.09/0.17	c |  Number of variables:         59265                                         |
0.09/0.17	c |  Number of clauses:          158708                                         |
0.09/0.17	c |  Parse time:                   0.15 s                                       |
0.89/0.94	c |  Simplification time:          0.75 s                                       |
0.89/0.94	c |                                                                             |
0.89/0.94	c ============================[ Search Statistics ]==============================
0.89/0.94	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.89/0.94	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.89/0.94	c ===============================================================================
0.89/0.95	c |       100 |    7775    39594   128330 |    14517      100      8 | 18.338 % |
0.89/0.97	c |       250 |    7752    39594   128330 |    15969      248      9 | 18.377 % |
0.99/1.01	c |       475 |    7752    39594   128330 |    17566      473      9 | 18.377 % |
0.99/1.07	c |       812 |    7752    39427   127835 |    19323      810     10 | 18.377 % |
1.09/1.13	c ===============================================================================
1.09/1.13	c restarts              : 7
1.09/1.13	c conflicts             : 1177           (1071 /sec)
1.09/1.13	c decisions             : 3822           (3478 /sec)
1.09/1.13	c propagations          : 625605         (569336 /sec)
1.09/1.13	c conflict literals     : 11552          (35.75 % deleted)
1.09/1.13	c Memory used           : 22.38 MB
1.09/1.13	c CPU time              : 1.09883 s
1.09/1.13	c 
1.09/1.13	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-1723391-1240685501/watcher-1723391-1240685501 -o /tmp/evaluation-result-1723391-1240685501/solver-1723391-1240685501 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1723391-1240685501.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: 1.99 1.74 1.33 3/64 20420
/proc/meminfo: memFree=1598520/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=8188 CPUtime=0
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 540 0 0 0 0 0 0 0 18 0 1 0 96583751 8384512 524 1992294400 4194304 5092341 548682068832 18446744073709551615 4515652 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 2047 525 63 219 0 1825 0

[startup+0.102797 s]
/proc/loadavg: 1.99 1.74 1.33 3/64 20420
/proc/meminfo: memFree=1598520/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=19316 CPUtime=0.09
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 3751 0 0 0 8 1 0 0 18 0 1 0 96583751 19779584 3520 1992294400 4194304 5092341 548682068832 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 4829 3520 63 219 0 4607 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 19316

[startup+0.201817 s]
/proc/loadavg: 1.99 1.74 1.33 3/64 20420
/proc/meminfo: memFree=1598520/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=22372 CPUtime=0.19
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 4946 0 0 0 17 2 0 0 18 0 1 0 96583751 22908928 4579 1992294400 4194304 5092341 548682068832 18446744073709551615 4218943 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 5593 4579 87 219 0 5371 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 22372

[startup+0.301838 s]
/proc/loadavg: 1.99 1.74 1.33 3/64 20420
/proc/meminfo: memFree=1598520/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=23008 CPUtime=0.29
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 5123 0 0 0 27 2 0 0 19 0 1 0 96583751 23560192 4756 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 5752 4756 87 219 0 5530 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 23008

[startup+0.701924 s]
/proc/loadavg: 1.99 1.74 1.33 3/64 20420
/proc/meminfo: memFree=1598520/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=25236 CPUtime=0.69
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 6091 0 0 0 66 3 0 0 22 0 1 0 96583751 25841664 5724 1992294400 4194304 5092341 548682068832 18446744073709551615 4227497 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 6309 5724 87 219 0 6087 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 25236

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

[startup+0.801946 s]
/proc/loadavg: 1.99 1.74 1.33 3/64 20420
/proc/meminfo: memFree=1598520/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=25236 CPUtime=0.79
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 6129 0 0 0 76 3 0 0 23 0 1 0 96583751 25841664 5762 1992294400 4194304 5092341 548682068832 18446744073709551615 4219753 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 6309 5762 87 219 0 6087 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 25236

[startup+1.00199 s]
/proc/loadavg: 1.99 1.74 1.33 3/64 20420
/proc/meminfo: memFree=1598520/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=22916 CPUtime=0.99
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 6431 0 0 0 96 3 0 0 25 0 1 0 96583751 23465984 4158 1992294400 4194304 5092341 548682068832 18446744073709551615 4240665 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 5729 4158 100 219 0 5507 0
Current children cumulated CPU time (s) 0.99
Current children cumulated vsize (KiB) 22916

[startup+1.10201 s]
/proc/loadavg: 1.99 1.74 1.33 2/65 20421
/proc/meminfo: memFree=1582000/2055920 swapFree=4192812/4192956
[pid=20420] ppid=20418 vsize=22916 CPUtime=1.09
/proc/20420/stat : 20420 (minisat) R 20418 20420 20143 0 -1 4194304 6439 0 0 0 106 3 0 0 25 0 1 0 96583751 23465984 4166 1992294400 4194304 5092341 548682068832 18446744073709551615 4244108 0 0 4096 3 0 0 0 17 1 0 0
/proc/20420/statm: 5729 4166 100 219 0 5507 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 22916

Child status: 20
Real time (s): 1.14217
CPU time (s): 1.13982
CPU user time (s): 1.09883
CPU system time (s): 0.040993
CPU usage (%): 99.7943
Max. virtual memory (cumulated for all children) (KiB): 27832

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.09883
system time used= 0.040993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6451
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= 2

runsolver used 0.003999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node10 at 2009-04-25 20:51:41
IDJOB=1723391
IDBENCH=71697
IDSOLVER=546
FILE ID=node10/1723391-1240685501
PBS_JOBID= 9186689
Free space on /tmp= 66336 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT_RACE06/een-tip-uns-nusmv-t5.B.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1723391-1240685501/watcher-1723391-1240685501 -o /tmp/evaluation-result-1723391-1240685501/solver-1723391-1240685501 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1723391-1240685501.cnf

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

MD5SUM BENCH= 5a0032960b52c5fb367771f030675e6c
RANDOM SEED=389723580

node10.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		: 3000.263
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	: 5931.00
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:       1598936 kB
Buffers:         34216 kB
Cached:         346244 kB
SwapCached:          0 kB
Active:         143332 kB
Inactive:       251124 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1598936 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3820 kB
Writeback:           0 kB
Mapped:          23712 kB
Slab:            48556 kB
Committed_AS:   345828 kB
PageTables:       1380 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= 66336 MiB
End job on node10 at 2009-04-25 20:51:42