Trace number 1561015

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
iPAWS 2009-03-22SAT 226.459 226.542

General information on the benchmark

NameCRAFTED/edgematching/
compact/em_7_3_6_cmp.cnf
MD5SUMc848a5766cfcc1d1c3f26c7818e48eb2
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark105.341
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses11563
Sum of the clauses size37576
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22381
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

226.41/226.54	s SATISFIABLE
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226.41/226.54	c input file instance-1561015-1238760210.cnf, flips 74940136

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-1561015-1238760210/watcher-1561015-1238760210 -o /tmp/evaluation-result-1561015-1238760210/solver-1561015-1238760210 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/iPAWS HOME/instance-1561015-1238760210.cnf 1323061355 

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: 1.99 1.85 1.46 2/70 25606
/proc/meminfo: memFree=1656456/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=0
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 487 0 0 0 0 0 0 0 18 0 1 0 1148683631 343977984 471 1992294400 134512640 135114423 4294956208 18446744073709551615 134533972 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 471 54 146 0 83831 0

[startup+0.0357949 s]
/proc/loadavg: 1.99 1.85 1.46 2/70 25606
/proc/meminfo: memFree=1656456/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=0.03
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1122 0 0 0 3 0 0 0 18 0 1 0 1148683631 343977984 1106 1992294400 134512640 135114423 4294956208 18446744073709551615 134515597 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1106 58 146 0 83831 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 335916

[startup+0.101807 s]
/proc/loadavg: 1.99 1.85 1.46 2/70 25606
/proc/meminfo: memFree=1656456/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=0.09
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1125 0 0 0 9 0 0 0 18 0 1 0 1148683631 343977984 1109 1992294400 134512640 135114423 4294956208 18446744073709551615 134516667 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1109 58 146 0 83831 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 335916

[startup+0.301842 s]
/proc/loadavg: 1.99 1.85 1.46 2/70 25606
/proc/meminfo: memFree=1656456/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=0.29
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1125 0 0 0 29 0 0 0 19 0 1 0 1148683631 343977984 1109 1992294400 134512640 135114423 4294956208 18446744073709551615 134516618 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1109 58 146 0 83831 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 335916

[startup+0.701915 s]
/proc/loadavg: 1.99 1.85 1.46 2/70 25606
/proc/meminfo: memFree=1656456/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=0.69
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 69 0 0 0 23 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134517054 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 335916

[startup+1.50106 s]
/proc/loadavg: 1.99 1.85 1.46 2/71 25607
/proc/meminfo: memFree=1652096/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=1.49
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 149 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134514777 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 335916

[startup+3.10135 s]
/proc/loadavg: 1.99 1.85 1.46 2/71 25607
/proc/meminfo: memFree=1651968/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=3.09
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 309 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134517054 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 335916

[startup+6.30193 s]
/proc/loadavg: 1.91 1.84 1.45 2/71 25607
/proc/meminfo: memFree=1651904/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=6.29
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 629 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134517031 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 335916

[startup+12.7011 s]
/proc/loadavg: 1.84 1.82 1.45 2/71 25607
/proc/meminfo: memFree=1651776/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=12.69
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 1269 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134546640 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 335916

[startup+25.5014 s]
/proc/loadavg: 1.65 1.78 1.44 2/71 25607
/proc/meminfo: memFree=1651776/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=25.48
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 2548 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134516760 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 335916

[startup+51.1011 s]
/proc/loadavg: 1.43 1.72 1.43 2/71 25607
/proc/meminfo: memFree=1651776/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=51.07
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 5107 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134547175 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 335916

[startup+102.305 s]
/proc/loadavg: 1.18 1.61 1.41 2/71 25607
/proc/meminfo: memFree=1651776/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=102.26
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 10226 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134514774 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 335916

[startup+162.301 s]
/proc/loadavg: 1.11 1.51 1.38 2/71 25607
/proc/meminfo: memFree=1651720/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=162.23
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 16223 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134515764 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 162.23
Current children cumulated vsize (KiB) 335916

[startup+222.301 s]
/proc/loadavg: 1.04 1.41 1.36 2/71 25607
/proc/meminfo: memFree=1651720/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=222.21
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 22221 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134515528 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 222.21
Current children cumulated vsize (KiB) 335916

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

[startup+223.902 s]
/proc/loadavg: 1.03 1.40 1.35 2/71 25607
/proc/meminfo: memFree=1651720/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=223.81
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 22381 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134515649 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 223.81
Current children cumulated vsize (KiB) 335916

[startup+225.507 s]
/proc/loadavg: 1.03 1.40 1.35 2/71 25607
/proc/meminfo: memFree=1651720/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=225.41
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 22541 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134550039 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 225.41
Current children cumulated vsize (KiB) 335916

[startup+226.302 s]
/proc/loadavg: 1.03 1.40 1.35 2/71 25607
/proc/meminfo: memFree=1651720/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=226.21
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 22621 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134517397 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 226.21
Current children cumulated vsize (KiB) 335916

[startup+226.502 s]
/proc/loadavg: 1.03 1.40 1.35 4/71 25607
/proc/meminfo: memFree=1651720/2055920 swapFree=4170592/4192956
[pid=25606] ppid=25604 vsize=335916 CPUtime=226.41
/proc/25606/stat : 25606 (iPAWS) R 25604 25606 25184 0 -1 4194304 1126 0 0 0 22641 0 0 0 25 0 1 0 1148683631 343977984 1110 1992294400 134512640 135114423 4294956208 18446744073709551615 134547179 0 0 4096 0 0 0 0 17 1 0 0
/proc/25606/statm: 83979 1110 58 146 0 83831 0
Current children cumulated CPU time (s) 226.41
Current children cumulated vsize (KiB) 335916

Child status: 0
Real time (s): 226.542
CPU time (s): 226.459
CPU user time (s): 226.451
CPU system time (s): 0.007998
CPU usage (%): 99.9632
Max. virtual memory (cumulated for all children) (KiB): 335916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 226.451
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1134
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= 407

runsolver used 0.205968 second user time and 0.627904 second system time

The end

Launcher Data 

Begin job on node45 at 2009-04-03 14:03:30
IDJOB=1561015
IDBENCH=70907
IDSOLVER=516
FILE ID=node45/1561015-1238760210
PBS_JOBID= 9085451
Free space on /tmp= 66460 MiB

SOLVER NAME= iPAWS 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/compact/em_7_3_6_cmp.cnf
COMMAND LINE= HOME/iPAWS BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561015-1238760210/watcher-1561015-1238760210 -o /tmp/evaluation-result-1561015-1238760210/solver-1561015-1238760210 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/iPAWS HOME/instance-1561015-1238760210.cnf 1323061355

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

MD5SUM BENCH= c848a5766cfcc1d1c3f26c7818e48eb2
RANDOM SEED=1323061355

node45.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		: 3000.285
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		: 3000.285
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:       1656872 kB
Buffers:         76548 kB
Cached:         227744 kB
SwapCached:      11568 kB
Active:         114832 kB
Inactive:       202556 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1656872 kB
SwapTotal:     4192956 kB
SwapFree:      4170592 kB
Dirty:             896 kB
Writeback:           0 kB
Mapped:          18752 kB
Slab:            66972 kB
Committed_AS:  2923624 kB
PageTables:       1908 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= 66460 MiB
End job on node45 at 2009-04-03 14:07:17