Trace number 300902

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
Mmisat 2007-02-08Signal 71.7251 71.745

General information on the benchmark

Namerandom/LargeSize/5SAT/v700/
unif-k5-r20-v700-c14000-S1036103820-03.cnf
MD5SUM85e6669b731e40790ffff95698079292
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark41.5937
Satisfiable
(Un)Satisfiability was proved
Number of variables700
Number of clauses14000
Sum of the clauses size70000
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 514000
Number of clauses of size over 50

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node17/watcher-300902-1171942238 -o ROOT/results/node17/solver-300902-1171942238 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/300902-1171942238/mmisat /tmp/evaluation/300902-1171942238/instance-300902-1171942238.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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 0.97 3/77 32751
/proc/meminfo: memFree=1563216/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=1176 CPUtime=0
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 155 0 0 0 0 0 0 0 18 0 1 0 214178059 1204224 138 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 294 138 81 214 0 76 0

[startup+0.107603 s]
/proc/loadavg: 1.00 1.00 0.97 3/77 32751
/proc/meminfo: memFree=1563216/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=1708 CPUtime=0.1
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 301 0 0 0 10 0 0 0 18 0 1 0 214178059 1748992 284 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 427 284 81 214 0 209 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1708

[startup+0.515646 s]
/proc/loadavg: 1.00 1.00 0.97 3/77 32751
/proc/meminfo: memFree=1563216/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=2632 CPUtime=0.51
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 530 0 0 0 51 0 0 0 21 0 1 0 214178059 2695168 513 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 658 513 81 214 0 440 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2632

[startup+1.33573 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1560648/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=3688 CPUtime=1.33
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 770 0 0 0 133 0 0 0 25 0 1 0 214178059 3776512 753 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 922 753 81 214 0 704 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3688

[startup+2.9759 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1559624/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=4744 CPUtime=2.96
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 1048 0 0 0 296 0 0 0 25 0 1 0 214178059 4857856 1031 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 1186 1031 81 214 0 968 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4744

[startup+6.25324 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1558024/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=6064 CPUtime=6.25
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 1363 0 0 0 624 1 0 0 25 0 1 0 214178059 6209536 1346 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 1516 1346 81 214 0 1298 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 6064

[startup+12.7099 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1556808/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=6988 CPUtime=12.7
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 1616 0 0 0 1269 1 0 0 25 0 1 0 214178059 7155712 1599 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 1747 1599 81 214 0 1529 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 6988

[startup+25.5102 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1555784/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=8044 CPUtime=25.49
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 1862 0 0 0 2548 1 0 0 25 0 1 0 214178059 8237056 1845 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 2011 1845 81 214 0 1793 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 8044

[startup+51.1219 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1554568/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=9232 CPUtime=51.1
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 2159 0 0 0 5109 1 0 0 25 0 1 0 214178059 9453568 2142 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 2308 2142 81 214 0 2090 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 9232

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

[startup+52.453 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1554504/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=9232 CPUtime=52.43
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 2172 0 0 0 5242 1 0 0 25 0 1 0 214178059 9453568 2155 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 2308 2155 81 214 0 2090 0
Current children cumulated CPU time (s) 52.43
Current children cumulated vsize (KiB) 9232

[startup+59.0117 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1554248/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=9496 CPUtime=58.98
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 2229 0 0 0 5897 1 0 0 25 0 1 0 214178059 9723904 2212 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 2374 2212 81 214 0 2156 0
Current children cumulated CPU time (s) 58.98
Current children cumulated vsize (KiB) 9496

[startup+65.5694 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1554056/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=9628 CPUtime=65.54
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 2283 0 0 0 6553 1 0 0 25 0 1 0 214178059 9859072 2266 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 2407 2266 81 214 0 2189 0
Current children cumulated CPU time (s) 65.54
Current children cumulated vsize (KiB) 9628

[startup+68.8457 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1553928/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=9760 CPUtime=68.81
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 2310 0 0 0 6880 1 0 0 25 0 1 0 214178059 9994240 2293 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 2440 2293 81 214 0 2222 0
Current children cumulated CPU time (s) 68.81
Current children cumulated vsize (KiB) 9760

[startup+70.4819 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1553928/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=9892 CPUtime=70.45
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 2322 0 0 0 7044 1 0 0 25 0 1 0 214178059 10129408 2305 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 2473 2305 81 214 0 2255 0
Current children cumulated CPU time (s) 70.45
Current children cumulated vsize (KiB) 9892

[startup+71.305 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1553864/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=18804 CPUtime=71.28
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4194304 6755 0 0 0 7125 3 0 0 25 0 1 0 214178059 19255296 4566 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134518348 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 4701 4566 86 214 0 4483 0
Current children cumulated CPU time (s) 71.28
Current children cumulated vsize (KiB) 18804

[startup+71.715 s]
/proc/loadavg: 1.00 1.00 0.97 2/78 32752
/proc/meminfo: memFree=1553864/2055920 swapFree=4192812/4192956
[pid=32751] ppid=32749 vsize=19608 CPUtime=71.69
/proc/32751/stat : 32751 (mmisat) R 32749 32751 31152 0 -1 4195840 6947 0 0 0 7161 8 0 0 25 0 1 0 214178059 20078592 4755 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134513332 0 0 4096 0 0 0 0 17 1 0 0
/proc/32751/statm: 4902 4755 91 214 0 4684 0
Current children cumulated CPU time (s) 71.69
Current children cumulated vsize (KiB) 19608

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 71.745
CPU time (s): 71.7251
CPU user time (s): 71.6141
CPU system time (s): 0.110983
CPU usage (%): 99.9722
Max. virtual memory (cumulated for all children) (KiB): 27620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 71.6141
system time used= 0.110983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6966
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= 5
involuntary context switches= 128

runsolver used 0.092985 second user time and 0.167974 second system time

The end



Launcher Data (download as text)




Begin job on node17 on Tue Feb 20 03:30:38 UTC 2007

IDJOB= 300902
IDBENCH= 20046
IDSOLVER= 108
FILE ID= node17/300902-1171942238

PBS_JOBID= 3848927

Free space on /tmp= 66546 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/5SAT/v700/unif-k5-r20-v700-c14000-S1036103820-03.cnf
COMMAND LINE= /tmp/evaluation/300902-1171942238/mmisat /tmp/evaluation/300902-1171942238/instance-300902-1171942238.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node17/watcher-300902-1171942238 -o ROOT/results/node17/solver-300902-1171942238 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/300902-1171942238/mmisat /tmp/evaluation/300902-1171942238/instance-300902-1171942238.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  85e6669b731e40790ffff95698079292

RANDOM SEED= 548921286

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node17.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		: 3000.229
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		: 3000.229
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:       1563624 kB
Buffers:         53172 kB
Cached:         321916 kB
SwapCached:          0 kB
Active:         279304 kB
Inactive:       140328 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1563624 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1440 kB
Writeback:           0 kB
Mapped:          63428 kB
Slab:            58188 kB
Committed_AS:   775812 kB
PageTables:       1748 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= 66528 MiB

End job on node17 on Tue Feb 20 03:31:50 UTC 2007