Trace number 1542912

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
hybridGM3 3SAT 7.8878 7.89068

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/560/
unif-k3-r4.25-v560-c2380-S844931093-069.cnf
MD5SUM589832b31b8f1cb4096063d76e2202cf
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.066989
Satisfiable
(Un)Satisfiability was proved
Number of variables560
Number of clauses2380
Sum of the clauses size7140
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 32380
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.03	c Heuristic: AdaptG2WSAT 
0.00/0.03	c Hybrid barrier : 1 
0.00/0.03	c Problem instance: numAtoms = 560, numClauses = 2380, numLiterals = 7140
0.00/0.03	c General parameters: seed=984678911, cutoff=1000000000, targetCost = 0, print solution: yes
0.00/0.03	c gNovelty+ parameters: noise = 0, walkprob = 1, smoothprob = 33
0.00/0.03	c tries = 1
0.00/0.03	c 
7.79/7.88	c gNovelty+ (M  65 )
7.79/7.88	s SATISFIABLE
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7.79/7.89	c Done in 7.850000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1542912-1238579273/watcher-1542912-1238579273 -o /tmp/evaluation-result-1542912-1238579273/solver-1542912-1238579273 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hybridGM3 HOME/instance-1542912-1238579273.cnf 984678911 

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: 0.93 0.98 0.99 3/64 20662
/proc/meminfo: memFree=1378728/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=260600 CPUtime=0
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 862 0 0 0 0 0 0 0 18 0 1 0 1130592619 266854400 846 1992294400 134512640 135204385 4294956224 18446744073709551615 134542712 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 65150 853 54 168 0 64980 0

[startup+0.015103 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 20662
/proc/meminfo: memFree=1378728/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268412 CPUtime=0
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 1624 0 0 0 0 0 0 0 18 0 1 0 1130592619 274853888 1607 1992294400 134512640 135204385 4294956224 18446744073709551615 134543223 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67103 1611 56 168 0 66933 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 268412

[startup+0.10111 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 20662
/proc/meminfo: memFree=1378728/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268816 CPUtime=0.09
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 4735 0 0 0 8 1 0 0 18 0 1 0 1130592619 275267584 4718 1992294400 134512640 135204385 4294956224 18446744073709551615 134537259 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67204 4718 84 168 0 67034 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 268816

[startup+0.301121 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 20662
/proc/meminfo: memFree=1378728/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268516 CPUtime=0.29
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 4736 0 0 0 28 1 0 0 19 0 1 0 1130592619 274960384 4659 1992294400 134512640 135204385 4294956224 18446744073709551615 134537403 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67129 4659 84 168 0 66959 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 268516

[startup+0.701146 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 20662
/proc/meminfo: memFree=1378728/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268524 CPUtime=0.69
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 4855 0 0 0 68 1 0 0 22 0 1 0 1130592619 274968576 4661 1992294400 134512640 135204385 4294956224 18446744073709551615 134546059 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67131 4661 84 168 0 66961 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 268524

[startup+1.5012 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 20663
/proc/meminfo: memFree=1360160/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268700 CPUtime=1.48
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 4923 0 0 0 147 1 0 0 25 0 1 0 1130592619 275148800 4705 1992294400 134512640 135204385 4294956224 18446744073709551615 134537383 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67175 4705 84 168 0 67005 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 268700

[startup+3.1013 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 20663
/proc/meminfo: memFree=1359904/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268832 CPUtime=3.08
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 4966 0 0 0 307 1 0 0 25 0 1 0 1130592619 275283968 4730 1992294400 134512640 135204385 4294956224 18446744073709551615 134547728 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67208 4730 84 168 0 67038 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 268832

[startup+6.3015 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20663
/proc/meminfo: memFree=1359840/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268832 CPUtime=6.28
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 5092 0 0 0 627 1 0 0 25 0 1 0 1130592619 275283968 4736 1992294400 134512640 135204385 4294956224 18446744073709551615 134537429 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67208 4736 84 168 0 67038 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 268832

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

[startup+7.10155 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20663
/proc/meminfo: memFree=1359840/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268700 CPUtime=7.08
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 5155 0 0 0 707 1 0 0 25 0 1 0 1130592619 275148800 4715 1992294400 134512640 135204385 4294956224 18446744073709551615 134537143 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67175 4715 84 168 0 67005 0
Current children cumulated CPU time (s) 7.08
Current children cumulated vsize (KiB) 268700

[startup+7.50158 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20663
/proc/meminfo: memFree=1359840/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268700 CPUtime=7.48
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 5259 0 0 0 747 1 0 0 25 0 1 0 1130592619 275148800 4715 1992294400 134512640 135204385 4294956224 18446744073709551615 134537443 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67175 4715 84 168 0 67005 0
Current children cumulated CPU time (s) 7.48
Current children cumulated vsize (KiB) 268700

[startup+7.70559 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20663
/proc/meminfo: memFree=1359840/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268700 CPUtime=7.7
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 5281 0 0 0 768 2 0 0 25 0 1 0 1130592619 275148800 4715 1992294400 134512640 135204385 4294956224 18446744073709551615 134536983 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67175 4715 84 168 0 67005 0
Current children cumulated CPU time (s) 7.7
Current children cumulated vsize (KiB) 268700

[startup+7.8016 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 20663
/proc/meminfo: memFree=1359840/2055920 swapFree=4177944/4192956
[pid=20662] ppid=20660 vsize=268700 CPUtime=7.79
/proc/20662/stat : 20662 (hybridGM3) R 20660 20662 20390 0 -1 4194304 5321 0 0 0 777 2 0 0 25 0 1 0 1130592619 275148800 4715 1992294400 134512640 135204385 4294956224 18446744073709551615 134537422 0 0 4096 0 0 0 0 17 1 0 0
/proc/20662/statm: 67175 4715 84 168 0 67005 0
Current children cumulated CPU time (s) 7.79
Current children cumulated vsize (KiB) 268700

Child status: 10
Real time (s): 7.89068
CPU time (s): 7.8878
CPU user time (s): 7.8638
CPU system time (s): 0.023996
CPU usage (%): 99.9635
Max. virtual memory (cumulated for all children) (KiB): 268832

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.8638
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5351
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= 22

runsolver used 0.009998 second user time and 0.027995 second system time

The end

Launcher Data 

Begin job on node29 at 2009-04-01 11:47:53
IDJOB=1542912
IDBENCH=70682
IDSOLVER=534
FILE ID=node29/1542912-1238579273
PBS_JOBID= 9070531
Free space on /tmp= 66472 MiB

SOLVER NAME= hybridGM3 3
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/560/unif-k3-r4.25-v560-c2380-S844931093-069.cnf
COMMAND LINE= HOME/hybridGM3 BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1542912-1238579273/watcher-1542912-1238579273 -o /tmp/evaluation-result-1542912-1238579273/solver-1542912-1238579273 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hybridGM3 HOME/instance-1542912-1238579273.cnf 984678911 

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

MD5SUM BENCH= 589832b31b8f1cb4096063d76e2202cf
RANDOM SEED=984678911

node29.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		: 3000.234
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		: 3000.234
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:       1379208 kB
Buffers:        101004 kB
Cached:         472220 kB
SwapCached:       8856 kB
Active:         209004 kB
Inactive:       374708 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1379208 kB
SwapTotal:     4192956 kB
SwapFree:      4177944 kB
Dirty:            1312 kB
Writeback:           0 kB
Mapped:          16228 kB
Slab:            78956 kB
Committed_AS:  3144580 kB
PageTables:       1476 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= 66468 MiB
End job on node29 at 2009-04-01 11:48:01