Trace number 1542943

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
hybridGM7 7SAT 20.7378 20.7433

General information on the benchmark

NameRANDOM/MEDIUM/3SAT/SATISFIABLE/400/
unif-k3-r4.25-v400-c1700-S419666888-007.cnf
MD5SUM0d6d5d5399446131b06db17642f36592
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.342947
Satisfiable
(Un)Satisfiability was proved
Number of variables400
Number of clauses1700
Sum of the clauses size5100
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31700
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 = 400, numClauses = 1700, numLiterals = 5100
0.00/0.03	c General parameters: seed=2132607380, 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 
20.68/20.73	c gNovelty+ (M  616 )
20.68/20.73	s SATISFIABLE
20.68/20.73	v -1
20.68/20.73	v 2
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20.68/20.73	v -4
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20.68/20.73	v -94
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20.68/20.74	v -399
20.68/20.74	v 400
20.68/20.74	v 0
20.68/20.74	c Done in 20.690000 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-1542943-1238580710/watcher-1542943-1238580710 -o /tmp/evaluation-result-1542943-1238580710/solver-1542943-1238580710 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hybridGM7 HOME/instance-1542943-1238580710.cnf 2132607380 

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: 0.99 0.98 0.99 3/65 22773
/proc/meminfo: memFree=1458968/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=260600 CPUtime=0
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 885 0 0 0 0 0 0 0 18 0 1 0 1130733294 266854400 869 1992294400 134512640 135204385 4294956208 18446744073709551615 134542712 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 65150 876 55 168 0 64980 0

[startup+0.0542479 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 22773
/proc/meminfo: memFree=1458968/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268480 CPUtime=0.04
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 4677 0 0 0 3 1 0 0 18 0 1 0 1130733294 274923520 4625 1992294400 134512640 135204385 4294956208 18446744073709551615 134547411 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67120 4625 85 168 0 66950 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 268480

[startup+0.101256 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 22773
/proc/meminfo: memFree=1458968/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268496 CPUtime=0.09
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 4682 0 0 0 8 1 0 0 18 0 1 0 1130733294 274939904 4630 1992294400 134512640 135204385 4294956208 18446744073709551615 134703793 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67124 4630 85 168 0 66954 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 268496

[startup+0.301291 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 22773
/proc/meminfo: memFree=1458968/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268732 CPUtime=0.29
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 4719 0 0 0 28 1 0 0 19 0 1 0 1130733294 275181568 4665 1992294400 134512640 135204385 4294956208 18446744073709551615 134536663 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67183 4665 85 168 0 67013 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 268732

[startup+0.701361 s]
/proc/loadavg: 0.99 0.98 0.99 3/65 22773
/proc/meminfo: memFree=1458968/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268600 CPUtime=0.69
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 4908 0 0 0 67 2 0 0 22 0 1 0 1130733294 275046400 4656 1992294400 134512640 135204385 4294956208 18446744073709551615 134536614 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67150 4656 85 168 0 66980 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 268600

[startup+1.5015 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440464/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268752 CPUtime=1.49
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 4995 0 0 0 147 2 0 0 25 0 1 0 1130733294 275202048 4673 1992294400 134512640 135204385 4294956208 18446744073709551615 134712584 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67188 4673 85 168 0 67018 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 268752

[startup+3.10179 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440272/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268752 CPUtime=3.09
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 5102 0 0 0 307 2 0 0 25 0 1 0 1130733294 275202048 4678 1992294400 134512640 135204385 4294956208 18446744073709551615 134705027 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67188 4678 85 168 0 67018 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 268752

[startup+6.30135 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440272/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268752 CPUtime=6.29
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 5310 0 0 0 627 2 0 0 25 0 1 0 1130733294 275202048 4679 1992294400 134512640 135204385 4294956208 18446744073709551615 134547411 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67188 4679 85 168 0 67018 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 268752

[startup+12.7015 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440208/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268760 CPUtime=12.69
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 5763 0 0 0 1267 2 0 0 25 0 1 0 1130733294 275210240 4680 1992294400 134512640 135204385 4294956208 18446744073709551615 134537357 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67190 4680 85 168 0 67020 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 268760

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

[startup+15.9011 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440208/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268756 CPUtime=15.88
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 5938 0 0 0 1586 2 0 0 25 0 1 0 1130733294 275206144 4679 1992294400 134512640 135204385 4294956208 18446744073709551615 134545869 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67189 4679 85 168 0 67019 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 268756

[startup+19.1016 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440208/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268764 CPUtime=19.08
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 6367 0 0 0 1906 2 0 0 25 0 1 0 1130733294 275214336 4680 1992294400 134512640 135204385 4294956208 18446744073709551615 134537272 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67191 4680 85 168 0 67021 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 268764

[startup+19.9028 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440208/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268764 CPUtime=19.88
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 6463 0 0 0 1986 2 0 0 25 0 1 0 1130733294 275214336 4681 1992294400 134512640 135204385 4294956208 18446744073709551615 134536929 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67191 4681 85 168 0 67021 0
Current children cumulated CPU time (s) 19.88
Current children cumulated vsize (KiB) 268764

[startup+20.3018 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440208/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268764 CPUtime=20.28
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 6506 0 0 0 2026 2 0 0 25 0 1 0 1130733294 275214336 4680 1992294400 134512640 135204385 4294956208 18446744073709551615 134576966 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67191 4680 85 168 0 67021 0
Current children cumulated CPU time (s) 20.28
Current children cumulated vsize (KiB) 268764

[startup+20.7019 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 22774
/proc/meminfo: memFree=1440208/2055920 swapFree=4177700/4192956
[pid=22773] ppid=22771 vsize=268764 CPUtime=20.68
/proc/22773/stat : 22773 (hybridGM7) R 22771 22773 22306 0 -1 4194304 6578 0 0 0 2066 2 0 0 25 0 1 0 1130733294 275214336 4681 1992294400 134512640 135204385 4294956208 18446744073709551615 134537383 0 0 4096 0 0 0 0 17 1 0 0
/proc/22773/statm: 67191 4681 85 168 0 67021 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 268764

Child status: 10
Real time (s): 20.7433
CPU time (s): 20.7378
CPU user time (s): 20.7049
CPU system time (s): 0.032994
CPU usage (%): 99.9736
Max. virtual memory (cumulated for all children) (KiB): 268764

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.7049
system time used= 0.032994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6589
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= 32

runsolver used 0.023996 second user time and 0.054991 second system time

The end

Launcher Data 

Begin job on node56 at 2009-04-01 12:11:50
IDJOB=1542943
IDBENCH=70687
IDSOLVER=535
FILE ID=node56/1542943-1238580710
PBS_JOBID= 9062196
Free space on /tmp= 103044 MiB

SOLVER NAME= hybridGM7 7
BENCH NAME= SAT09/RANDOM/MEDIUM/3SAT/SATISFIABLE/400/unif-k3-r4.25-v400-c1700-S419666888-007.cnf
COMMAND LINE= HOME/hybridGM7 BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1542943-1238580710/watcher-1542943-1238580710 -o /tmp/evaluation-result-1542943-1238580710/solver-1542943-1238580710 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hybridGM7 HOME/instance-1542943-1238580710.cnf 2132607380 

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

MD5SUM BENCH= 0d6d5d5399446131b06db17642f36592
RANDOM SEED=2132607380

node56.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		: 3000.256
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		: 3000.256
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:       1459384 kB
Buffers:         95556 kB
Cached:         401808 kB
SwapCached:       9032 kB
Active:         224284 kB
Inactive:       283560 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1459384 kB
SwapTotal:     4192956 kB
SwapFree:      4177700 kB
Dirty:            1260 kB
Writeback:           0 kB
Mapped:          16152 kB
Slab:            74636 kB
Committed_AS:  2731488 kB
PageTables:       1472 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= 103044 MiB
End job on node56 at 2009-04-01 12:12:11