Trace number 1561695

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
HydraSAT 2009-03-22-BaseSAT 50.8163 50.8335

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

50.77/50.83	
50.77/50.83	c decisions : 863352
50.77/50.83	c conflicts : 160675
50.77/50.83	c Memory limit 1620 MiB
50.77/50.83	c RANDOM SEED: 110305841
50.77/50.83	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1561695-1238768276/watcher-1561695-1238768276 -o /tmp/evaluation-result-1561695-1238768276/solver-1561695-1238768276 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat HOME/instance-1561695-1238768276.cnf -rs 110305841 -co memory_limit 1800 

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 1.02 1.06 2/64 1510
/proc/meminfo: memFree=1798912/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=1972 CPUtime=0
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 227 0 0 0 0 0 0 0 18 0 1 0 1149492602 2019328 211 1992294400 134512640 135997824 4294956160 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 493 212 151 362 0 128 0

[startup+0.0564031 s]
/proc/loadavg: 1.00 1.02 1.06 2/64 1510
/proc/meminfo: memFree=1798912/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=3820 CPUtime=0.04
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 734 0 0 0 4 0 0 0 18 0 1 0 1149492602 3911680 718 1992294400 134512640 135997824 4294956160 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 955 719 151 362 0 590 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3820

[startup+0.101409 s]
/proc/loadavg: 1.00 1.02 1.06 2/64 1510
/proc/meminfo: memFree=1798912/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=5052 CPUtime=0.09
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 1087 0 0 0 9 0 0 0 18 0 1 0 1149492602 5173248 1030 1992294400 134512640 135997824 4294956160 18446744073709551615 134519857 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 1263 1030 158 362 0 898 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5052

[startup+0.301439 s]
/proc/loadavg: 1.00 1.02 1.06 2/64 1510
/proc/meminfo: memFree=1798912/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=8024 CPUtime=0.29
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 1890 0 0 0 28 1 0 0 19 0 1 0 1149492602 8216576 1727 1992294400 134512640 135997824 4294956160 18446744073709551615 134756041 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 2006 1727 175 362 0 1641 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8024

[startup+0.7015 s]
/proc/loadavg: 1.00 1.02 1.06 2/64 1510
/proc/meminfo: memFree=1798912/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=8288 CPUtime=0.69
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 1960 0 0 0 68 1 0 0 22 0 1 0 1149492602 8486912 1797 1992294400 134512640 135997824 4294956160 18446744073709551615 135387657 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 2072 1797 175 362 0 1707 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8288

[startup+1.50162 s]
/proc/loadavg: 1.00 1.02 1.06 2/65 1511
/proc/meminfo: memFree=1792248/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=8684 CPUtime=1.49
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 2051 0 0 0 148 1 0 0 25 0 1 0 1149492602 8892416 1888 1992294400 134512640 135997824 4294956160 18446744073709551615 134850368 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 2171 1888 175 362 0 1806 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 8684

[startup+3.10187 s]
/proc/loadavg: 1.00 1.02 1.06 2/65 1511
/proc/meminfo: memFree=1791672/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=9344 CPUtime=3.09
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 2214 0 0 0 308 1 0 0 25 0 1 0 1149492602 9568256 2051 1992294400 134512640 135997824 4294956160 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 2336 2051 175 362 0 1971 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9344

[startup+6.30136 s]
/proc/loadavg: 1.00 1.02 1.06 2/65 1511
/proc/meminfo: memFree=1790328/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=10532 CPUtime=6.29
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 2505 0 0 0 628 1 0 0 25 0 1 0 1149492602 10784768 2342 1992294400 134512640 135997824 4294956160 18446744073709551615 134683687 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 2633 2342 175 362 0 2268 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10532

[startup+12.7013 s]
/proc/loadavg: 1.00 1.02 1.06 2/65 1511
/proc/meminfo: memFree=1788224/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=12132 CPUtime=12.68
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 2907 0 0 0 1267 1 0 0 25 0 1 0 1149492602 12423168 2744 1992294400 134512640 135997824 4294956160 18446744073709551615 134590459 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 3033 2744 175 362 0 2668 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 12132

[startup+25.5013 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1786496/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=13860 CPUtime=25.49
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 3331 0 0 0 2547 2 0 0 25 0 1 0 1149492602 14192640 3168 1992294400 134512640 135997824 4294956160 18446744073709551615 134756013 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 3465 3168 175 362 0 3100 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 13860

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

[startup+38.3013 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1784960/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=15584 CPUtime=38.28
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 3787 0 0 0 3826 2 0 0 25 0 1 0 1149492602 15958016 3624 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 3896 3624 175 362 0 3531 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 15584

[startup+44.7022 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1784448/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=16108 CPUtime=44.67
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 3888 0 0 0 4465 2 0 0 25 0 1 0 1149492602 16494592 3725 1992294400 134512640 135997824 4294956160 18446744073709551615 134757582 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 4027 3725 175 362 0 3662 0
Current children cumulated CPU time (s) 44.67
Current children cumulated vsize (KiB) 16108

[startup+47.9017 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1783616/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=16912 CPUtime=47.87
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 4067 0 0 0 4785 2 0 0 25 0 1 0 1149492602 17317888 3904 1992294400 134512640 135997824 4294956160 18446744073709551615 134756289 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 4228 3904 175 362 0 3863 0
Current children cumulated CPU time (s) 47.87
Current children cumulated vsize (KiB) 16912

[startup+49.506 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1783488/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=17048 CPUtime=49.48
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 4093 0 0 0 4946 2 0 0 25 0 1 0 1149492602 17457152 3930 1992294400 134512640 135997824 4294956160 18446744073709551615 134589649 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 4262 3930 175 362 0 3897 0
Current children cumulated CPU time (s) 49.48
Current children cumulated vsize (KiB) 17048

[startup+50.3011 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1783488/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=17048 CPUtime=50.27
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 4109 0 0 0 5025 2 0 0 25 0 1 0 1149492602 17457152 3946 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 4262 3946 175 362 0 3897 0
Current children cumulated CPU time (s) 50.27
Current children cumulated vsize (KiB) 17048

[startup+50.7012 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1783424/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=17180 CPUtime=50.67
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 4126 0 0 0 5065 2 0 0 25 0 1 0 1149492602 17592320 3963 1992294400 134512640 135997824 4294956160 18446744073709551615 135371271 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 4295 3963 175 362 0 3930 0
Current children cumulated CPU time (s) 50.67
Current children cumulated vsize (KiB) 17180

[startup+50.8012 s]
/proc/loadavg: 1.00 1.01 1.06 2/65 1511
/proc/meminfo: memFree=1783424/2055920 swapFree=4176720/4192956
[pid=1510] ppid=1508 vsize=17180 CPUtime=50.77
/proc/1510/stat : 1510 (hydrasat) R 1508 1510 957 0 -1 4194304 4143 0 0 0 5075 2 0 0 25 0 1 0 1149492602 17592320 3980 1992294400 134512640 135997824 4294956160 18446744073709551615 134666531 0 0 4096 1 0 0 0 17 1 0 0
/proc/1510/statm: 4295 3980 175 362 0 3930 0
Current children cumulated CPU time (s) 50.77
Current children cumulated vsize (KiB) 17180

Child status: 10
Real time (s): 50.8335
CPU time (s): 50.8163
CPU user time (s): 50.7853
CPU system time (s): 0.030995
CPU usage (%): 99.9661
Max. virtual memory (cumulated for all children) (KiB): 17180

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 50.7853
system time used= 0.030995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4158
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= 125

runsolver used 0.043993 second user time and 0.114982 second system time

The end

Launcher Data 

Begin job on node34 at 2009-04-03 16:17:56
IDJOB=1561695
IDBENCH=70920
IDSOLVER=520
FILE ID=node34/1561695-1238768276
PBS_JOBID= 9085481
Free space on /tmp= 66492 MiB

SOLVER NAME= HydraSAT 2009-03-22-Base
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= DIR/hydrasat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561695-1238768276/watcher-1561695-1238768276 -o /tmp/evaluation-result-1561695-1238768276/solver-1561695-1238768276 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat HOME/instance-1561695-1238768276.cnf -rs 110305841 -co memory_limit 1800

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=110305841

node34.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		: 3000.259
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		: 3000.259
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:       1799392 kB
Buffers:         25068 kB
Cached:         158316 kB
SwapCached:      10076 kB
Active:          83760 kB
Inactive:       111196 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1799392 kB
SwapTotal:     4192956 kB
SwapFree:      4176720 kB
Dirty:            2280 kB
Writeback:           0 kB
Mapped:          17244 kB
Slab:            47636 kB
Committed_AS:  2959440 kB
PageTables:       1392 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= 66492 MiB
End job on node34 at 2009-04-03 16:18:47