Trace number 1555061

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 16.0886 16.0935

General information on the benchmark

NameAPPLICATIONS/bitverif/
icbrt/icbrt1_32.cnf
MD5SUM157e258753171ede0eac48b41cfa7b1d
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark10.2104
Satisfiable
(Un)Satisfiability was proved
Number of variables11309
Number of clauses33833
Sum of the clauses size78941
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 222554
Number of clauses of size 311277
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 |                                                                             |
0.00/0.03	c |  Number of variables:         11309                                         |
0.00/0.03	c |  Number of clauses:           33831                                         |
0.00/0.03	c |  Parse time:                   0.03 s                                       |
0.09/0.15	c |  Simplification time:          0.12 s                                       |
0.09/0.15	c |                                                                             |
0.09/0.15	c ============================[ Search Statistics ]==============================
0.09/0.15	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.15	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.15	c ===============================================================================
0.09/0.18	c |       100 |    5498    24512    72737 |     8987      100     17 |  0.036 % |
0.19/0.20	c |       250 |    5498    24512    72737 |     9886      250     22 |  0.035 % |
0.19/0.27	c |       475 |    5498    24512    72737 |    10875      475     21 |  0.036 % |
0.29/0.38	c |       812 |    5498    24512    72737 |    11962      812     22 |  0.035 % |
0.49/0.53	c |      1318 |    5498    24512    72737 |    13158     1318     22 |  0.036 % |
0.69/0.72	c |      2077 |    5498    24512    72737 |    14474     2077     24 |  0.035 % |
1.00/1.06	c |      3216 |    5498    24512    72737 |    15922     3216     24 |  0.035 % |
1.59/1.60	c |      4924 |    5498    24512    72737 |    17514     4924     25 |  0.035 % |
2.29/2.32	c |      7486 |    5498    24512    72737 |    19266     7486     25 |  0.035 % |
3.59/3.60	c |     11330 |    5498    24512    72737 |    21192    11330     26 |  0.035 % |
5.59/5.60	c |     17096 |    5498    24512    72737 |    23311    17096     26 |  0.035 % |
8.69/8.71	c |     25745 |    5498    24512    72737 |    25643    13899     23 |  0.035 % |
14.58/14.62	c |     38719 |    5220    22704    67651 |    28207    14183     22 |  2.494 % |
15.98/16.09	c ===============================================================================
15.98/16.09	c restarts              : 127
15.98/16.09	c conflicts             : 42120          (2622 /sec)
15.98/16.09	c decisions             : 65425          (4072 /sec)
15.98/16.09	c propagations          : 33993655       (2115802 /sec)
15.98/16.09	c conflict literals     : 1048974        (77.32 % deleted)
15.98/16.09	c Memory used           : 11.14 MB
15.98/16.09	c CPU time              : 16.0666 s
15.98/16.09	c 
15.98/16.09	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-1555061-1238736672/watcher-1555061-1238736672 -o /tmp/evaluation-result-1555061-1238736672/solver-1555061-1238736672 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1555061-1238736672.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: 1.00 1.00 1.00 3/64 22297
/proc/meminfo: memFree=1734464/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=7616 CPUtime=0
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 315 0 0 0 0 0 0 0 18 0 1 0 1146332444 7798784 299 1992294400 4194304 5092341 548682068832 18446744073709551615 4515640 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 1904 299 63 219 0 1682 0

[startup+0.0858901 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 22297
/proc/meminfo: memFree=1734464/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=10960 CPUtime=0.08
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 1360 0 0 0 8 0 0 0 18 0 1 0 1146332444 11223040 1344 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2740 1344 88 219 0 2518 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 10960

[startup+0.101891 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 22297
/proc/meminfo: memFree=1734464/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11080 CPUtime=0.09
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 1410 0 0 0 9 0 0 0 18 0 1 0 1146332444 11345920 1394 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2770 1394 88 219 0 2548 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11080

[startup+0.301919 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 22297
/proc/meminfo: memFree=1734464/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=10724 CPUtime=0.29
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 1562 0 0 0 29 0 0 0 19 0 1 0 1146332444 10981376 1179 1992294400 4194304 5092341 548682068832 18446744073709551615 4240594 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2681 1179 99 219 0 2459 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10724

[startup+0.701977 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 22297
/proc/meminfo: memFree=1734464/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=10724 CPUtime=0.69
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 1601 0 0 0 69 0 0 0 22 0 1 0 1146332444 10981376 1218 1992294400 4194304 5092341 548682068832 18446744073709551615 4240665 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2681 1218 99 219 0 2459 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10724

[startup+1.50109 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1729784/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=10724 CPUtime=1.49
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 1670 0 0 0 149 0 0 0 25 0 1 0 1146332444 10981376 1287 1992294400 4194304 5092341 548682068832 18446744073709551615 4249640 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2681 1287 100 219 0 2459 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10724

[startup+3.10132 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1729272/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=10724 CPUtime=3.09
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 1817 0 0 0 309 0 0 0 25 0 1 0 1146332444 10981376 1434 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2681 1434 100 219 0 2459 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10724

[startup+6.30178 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1727992/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11164 CPUtime=6.28
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 2139 0 0 0 628 0 0 0 25 0 1 0 1146332444 11431936 1756 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2791 1756 100 219 0 2569 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 11164

[startup+12.7017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1727288/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11400 CPUtime=12.68
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 3008 0 0 0 1267 1 0 0 25 0 1 0 1146332444 11673600 1879 1992294400 4194304 5092341 548682068832 18446744073709551615 4250118 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2850 1879 100 219 0 2628 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 11400

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

[startup+14.306 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1726648/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11400 CPUtime=14.29
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 3110 0 0 0 1428 1 0 0 25 0 1 0 1146332444 11673600 1981 1992294400 4194304 5092341 548682068832 18446744073709551615 4247030 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2850 1981 100 219 0 2628 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 11400

[startup+15.1011 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1726648/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11400 CPUtime=15.08
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 3152 0 0 0 1507 1 0 0 25 0 1 0 1146332444 11673600 2023 1992294400 4194304 5092341 548682068832 18446744073709551615 4244038 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2850 2023 100 219 0 2628 0
Current children cumulated CPU time (s) 15.08
Current children cumulated vsize (KiB) 11400

[startup+15.5011 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1726456/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11400 CPUtime=15.48
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 3169 0 0 0 1547 1 0 0 25 0 1 0 1146332444 11673600 2040 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2850 2040 100 219 0 2628 0
Current children cumulated CPU time (s) 15.48
Current children cumulated vsize (KiB) 11400

[startup+15.9012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1726456/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11400 CPUtime=15.88
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 3188 0 0 0 1587 1 0 0 25 0 1 0 1146332444 11673600 2059 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2850 2059 100 219 0 2628 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 11400

[startup+16.0012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 22298
/proc/meminfo: memFree=1726456/2055920 swapFree=4175732/4192956
[pid=22297] ppid=22295 vsize=11400 CPUtime=15.98
/proc/22297/stat : 22297 (minisat) R 22295 22297 21829 0 -1 4194304 3191 0 0 0 1597 1 0 0 25 0 1 0 1146332444 11673600 2062 1992294400 4194304 5092341 548682068832 18446744073709551615 4244024 0 0 4096 3 0 0 0 17 1 0 0
/proc/22297/statm: 2850 2062 100 219 0 2628 0
Current children cumulated CPU time (s) 15.98
Current children cumulated vsize (KiB) 11400

Child status: 20
Real time (s): 16.0935
CPU time (s): 16.0886
CPU user time (s): 16.0666
CPU system time (s): 0.021996
CPU usage (%): 99.9695
Max. virtual memory (cumulated for all children) (KiB): 11400

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.0666
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3204
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= 12

runsolver used 0.015997 second user time and 0.042993 second system time

The end

Launcher Data 

Begin job on node30 at 2009-04-03 07:31:12
IDJOB=1555061
IDBENCH=70792
IDSOLVER=546
FILE ID=node30/1555061-1238736672
PBS_JOBID= 9085365
Free space on /tmp= 66512 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/bitverif/icbrt/icbrt1_32.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1555061-1238736672/watcher-1555061-1238736672 -o /tmp/evaluation-result-1555061-1238736672/solver-1555061-1238736672 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1555061-1238736672.cnf

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

MD5SUM BENCH= 157e258753171ede0eac48b41cfa7b1d
RANDOM SEED=684342530

node30.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		: 3000.260
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		: 3000.260
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:       1734880 kB
Buffers:         53880 kB
Cached:         174180 kB
SwapCached:      11096 kB
Active:          59812 kB
Inactive:       181320 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1734880 kB
SwapTotal:     4192956 kB
SwapFree:      4175732 kB
Dirty:            1412 kB
Writeback:           0 kB
Mapped:          18800 kB
Slab:            65972 kB
Committed_AS:  3387508 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= 66512 MiB
End job on node30 at 2009-04-03 07:31:28