Trace number 426522

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
MXC 2007-02-08SAT 9.41357 9.43145

General information on the benchmark

Namerandom/OnTreshold/5SAT/v70/
unif-k5-r21.3-v70-c1491-S236549621-14.SAT.shuffled.cnf
MD5SUMec2a91fcfd5fed5b7cf0df71c166ca24
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.020996
Satisfiable
(Un)Satisfiability was proved
Number of variables70
Number of clauses1491
Sum of the clauses size7455
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 51491
Number of clauses of size over 50

Solver Data (download as text)

9.39/9.42	c MXC attempting /tmp/evaluation/426522-1177826421/instance-426522-1177826421.cnf
9.39/9.42	c 0 assignments made, starting to guess now
9.39/9.42	c ===================================[MXC]=====================================
9.39/9.42	c | Conflicts |     ORIGINAL     |             LEARNT              | Progress |
9.39/9.42	c |           | Clauses Literals |  Limit Clauses Literals  Lit/Cl |          |
9.39/9.42	c =============================================================================
9.39/9.42	c |         0 |    1491     7455 |    1000       0       0     nan |  0.000 % |
9.39/9.42	c |       101 |    1491     7455 |    1100     101    1838    18.2 |  0.000 % |
9.39/9.42	c |       251 |    1491     7455 |    1210     251    4215    16.8 |  0.000 % |
9.39/9.42	c |       476 |    1491     7455 |    1331     476    8037    16.9 |  0.000 % |
9.39/9.42	c |       814 |    1491     7455 |    1464     814   13630    16.7 |  0.000 % |
9.39/9.42	c |      1320 |    1491     7455 |    1610    1320   21995    16.7 |  0.000 % |
9.39/9.42	c |      2079 |    1491     7455 |    1771    1273   20050    15.8 |  0.000 % |
9.39/9.42	c |      3218 |    1491     7455 |    1948    1526   22897    15.0 |  0.000 % |
9.39/9.43	c |      4926 |    1491     7455 |    2143    1283   18884    14.7 |  0.000 % |
9.39/9.43	c |      7489 |    1491     7455 |    2357    1702   26354    15.5 |  0.000 % |
9.39/9.43	c |     11333 |    1491     7455 |    2593    2011   31272    15.6 |  0.000 % |
9.39/9.43	c |     17099 |    1491     7455 |    2853    2590   41194    15.9 |  0.000 % |
9.39/9.43	c |     25749 |    1491     7455 |    3138    2678   41040    15.3 |  0.000 % |
9.39/9.43	c |     38723 |    1491     7455 |    3452    3099   47011    15.2 |  0.000 % |
9.39/9.43	c |     58185 |    1491     7455 |    3797    1851   27013    14.6 |  0.000 % |
9.39/9.43	c |     87377 |    1491     7455 |    4177    2569   35768    13.9 |  0.000 % |
9.39/9.43	c |    131167 |    1491     7455 |    4594    2514   34797    13.8 |  0.000 % |
9.39/9.43	c |    196851 |    1491     7455 |    5054    3921   56146    14.3 |  0.000 % |
9.39/9.43	c 9.410s elapsed
9.39/9.43	c restarts: 17
9.39/9.43	c decisions: 254208
9.39/9.43	c propagations: 3033199
9.39/9.43	c conflicts: 230447
9.39/9.43	s SATISFIABLE
9.39/9.43	v -13 -52 -42 -6 19 -62 59 -45 -24 22 68 -41 43 -4 30 -58 -47 -16 66 56 33 -40 7 -65 48 -5 -34 44 23 69 53 -31 -50 64 -35 -39 -29 10 3 -60 -9 2 11 -21 -36 46 20 -32 -61 -12 70 -18 -14 -25 15 67 49 -51 37 -54 38 -28 8 -1 55 -17 26 27 -63 57 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node33/watcher-426522-1177826421 -o ROOT/results/node33/solver-426522-1177826421 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/426522-1177826421/mxc /tmp/evaluation/426522-1177826421/instance-426522-1177826421.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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: 0.94 0.98 0.98 3/77 26436
/proc/meminfo: memFree=1590048/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=932 CPUtime=0
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 113 0 0 0 0 0 0 0 18 0 1 0 230557564 954368 98 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134643709 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 233 98 59 122 0 107 0

[startup+0.031596 s]
/proc/loadavg: 0.94 0.98 0.98 3/77 26436
/proc/meminfo: memFree=1590048/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1064 CPUtime=0.02
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 142 0 0 0 2 0 0 0 18 0 1 0 230557564 1089536 127 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134688363 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 266 127 59 122 0 140 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1064

[startup+0.10161 s]
/proc/loadavg: 0.94 0.98 0.98 3/77 26436
/proc/meminfo: memFree=1590048/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1200 CPUtime=0.09
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 177 0 0 0 9 0 0 0 18 0 1 0 230557564 1228800 160 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134703188 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 300 160 67 122 0 174 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1200

[startup+0.30165 s]
/proc/loadavg: 0.94 0.98 0.98 3/77 26436
/proc/meminfo: memFree=1590048/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1332 CPUtime=0.29
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 201 0 0 0 29 0 0 0 20 0 1 0 230557564 1363968 184 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134547915 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 333 184 67 122 0 207 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1332

[startup+0.701732 s]
/proc/loadavg: 0.94 0.98 0.98 3/77 26436
/proc/meminfo: memFree=1590048/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1456 CPUtime=0.69
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 227 0 0 0 69 0 0 0 24 0 1 0 230557564 1490944 210 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134530166 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 364 210 67 122 0 238 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1456

[startup+1.5029 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1589336/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1456 CPUtime=1.5
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 254 0 0 0 150 0 0 0 25 0 1 0 230557564 1490944 237 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519311 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 364 237 67 122 0 238 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 1456

[startup+3.10123 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1589144/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1572 CPUtime=3.09
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 282 0 0 0 309 0 0 0 25 0 1 0 230557564 1609728 265 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134517406 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 393 265 67 122 0 267 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1572

[startup+6.30188 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1588888/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1828 CPUtime=6.29
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 321 0 0 0 629 0 0 0 25 0 1 0 230557564 1871872 304 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519194 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 457 304 67 122 0 331 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1828

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

[startup+7.90121 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1588760/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1828 CPUtime=7.89
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 336 0 0 0 789 0 0 0 25 0 1 0 230557564 1871872 319 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134535083 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 457 319 67 122 0 331 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 1828

[startup+8.70138 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1588696/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1828 CPUtime=8.69
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 349 0 0 0 869 0 0 0 25 0 1 0 230557564 1871872 332 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519191 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 457 332 67 122 0 331 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 1828

[startup+9.10146 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1588696/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1944 CPUtime=9.09
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 357 0 0 0 909 0 0 0 25 0 1 0 230557564 1990656 340 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134534732 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 486 340 67 122 0 360 0
Current children cumulated CPU time (s) 9.09
Current children cumulated vsize (KiB) 1944

[startup+9.3015 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1588696/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1944 CPUtime=9.29
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 361 0 0 0 929 0 0 0 25 0 1 0 230557564 1990656 344 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519959 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 486 344 67 122 0 360 0
Current children cumulated CPU time (s) 9.29
Current children cumulated vsize (KiB) 1944

[startup+9.40152 s]
/proc/loadavg: 0.94 0.98 0.98 2/78 26437
/proc/meminfo: memFree=1588696/2055920 swapFree=4147768/4192956
[pid=26436] ppid=26434 vsize=1944 CPUtime=9.39
/proc/26436/stat : 26436 (mxc) R 26434 26436 26159 0 -1 4194304 361 0 0 0 939 0 0 0 25 0 1 0 230557564 1990656 344 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519215 0 0 4096 0 0 0 0 17 1 0 0
/proc/26436/statm: 486 344 67 122 0 360 0
Current children cumulated CPU time (s) 9.39
Current children cumulated vsize (KiB) 1944

Child status: 10
Real time (s): 9.43145
CPU time (s): 9.41357
CPU user time (s): 9.41157
CPU system time (s): 0.001999
CPU usage (%): 99.8104
Max. virtual memory (cumulated for all children) (KiB): 1944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.41157
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 363
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= 9
involuntary context switches= 204

runsolver used 0.005999 second user time and 0.027995 second system time

The end

Launcher Data (download as text)

Begin job on node33 on Sun Apr 29 06:00:21 UTC 2007

IDJOB= 426522
IDBENCH= 19828
IDSOLVER= 174
FILE ID= node33/426522-1177826421

PBS_JOBID= 4718263

Free space on /tmp= 66564 MiB

SOLVER NAME= MXC 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/5SAT/v70/unif-k5-r21.3-v70-c1491-S236549621-14.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/426522-1177826421/mxc /tmp/evaluation/426522-1177826421/instance-426522-1177826421.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node33/watcher-426522-1177826421 -o ROOT/results/node33/solver-426522-1177826421 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/426522-1177826421/mxc /tmp/evaluation/426522-1177826421/instance-426522-1177826421.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  ec2a91fcfd5fed5b7cf0df71c166ca24

RANDOM SEED= 298191364

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node33.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		: 3000.272
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		: 3000.272
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:       1590456 kB
Buffers:         44100 kB
Cached:         348700 kB
SwapCached:      14656 kB
Active:         219384 kB
Inactive:       197340 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1590456 kB
SwapTotal:     4192956 kB
SwapFree:      4147768 kB
Dirty:             700 kB
Writeback:           0 kB
Mapped:          30244 kB
Slab:            34028 kB
Committed_AS:  1877500 kB
PageTables:       1992 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= 66564 MiB

End job on node33 on Sun Apr 29 06:00:30 UTC 2007