Trace number 1562422

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-Flat 2009-03-22-FlatSAT 9.47656 9.47995

General information on the benchmark

NameCRAFTED/edgematching/
fbcolors/em_7_4_9_fbc.cnf
MD5SUM4259362ee72589b1a94d1f5c9f846a0b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark9.38957
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses28863
Sum of the clauses size75955
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 217356
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data

9.39/9.47	
9.39/9.47	c decisions : 165321
9.39/9.47	c conflicts : 53771
9.39/9.47	c Memory limit 1620 MiB
9.39/9.47	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-1562422-1238774857/watcher-1562422-1238774857 -o /tmp/evaluation-result-1562422-1238774857/solver-1562422-1238774857 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1562422-1238774857.cnf -rs 1518114909 -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: 0.95 0.97 0.99 3/64 24448
/proc/meminfo: memFree=1825592/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=1740 CPUtime=0
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 206 0 0 0 0 0 0 0 18 0 1 0 1150150911 1781760 190 1992294400 134512640 135819388 4294956160 18446744073709551615 134644307 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 435 191 119 319 0 113 0

[startup+0.058875 s]
/proc/loadavg: 0.95 0.97 0.99 3/64 24448
/proc/meminfo: memFree=1825592/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=3912 CPUtime=0.05
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 793 0 0 0 5 0 0 0 18 0 1 0 1150150911 4005888 758 1992294400 134512640 135819388 4294956160 18446744073709551615 134521379 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 978 758 127 319 0 656 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3912

[startup+0.10188 s]
/proc/loadavg: 0.95 0.97 0.99 3/64 24448
/proc/meminfo: memFree=1825592/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=4140 CPUtime=0.09
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 823 0 0 0 9 0 0 0 18 0 1 0 1150150911 4239360 788 1992294400 134512640 135819388 4294956160 18446744073709551615 134521401 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1035 788 128 319 0 713 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4140

[startup+0.301907 s]
/proc/loadavg: 0.95 0.97 0.99 3/64 24448
/proc/meminfo: memFree=1825592/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=5428 CPUtime=0.29
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1234 0 0 0 29 0 0 0 19 0 1 0 1150150911 5558272 1124 1992294400 134512640 135819388 4294956160 18446744073709551615 134617275 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1357 1124 148 319 0 1035 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5428

[startup+0.701966 s]
/proc/loadavg: 0.95 0.97 0.99 3/64 24448
/proc/meminfo: memFree=1825592/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=5556 CPUtime=0.69
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1270 0 0 0 69 0 0 0 22 0 1 0 1150150911 5689344 1160 1992294400 134512640 135819388 4294956160 18446744073709551615 134616857 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1389 1160 148 319 0 1067 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5556

[startup+1.50108 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1821488/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=5812 CPUtime=1.49
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1313 0 0 0 149 0 0 0 25 0 1 0 1150150911 5951488 1203 1992294400 134512640 135819388 4294956160 18446744073709551615 135204916 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1453 1203 148 319 0 1131 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5812

[startup+3.10131 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1821104/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=6064 CPUtime=3.09
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1398 0 0 0 309 0 0 0 25 0 1 0 1150150911 6209536 1288 1992294400 134512640 135819388 4294956160 18446744073709551615 134617071 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1516 1288 148 319 0 1194 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6064

[startup+6.30178 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1820272/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=6956 CPUtime=6.29
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1596 0 0 0 629 0 0 0 25 0 1 0 1150150911 7122944 1486 1992294400 134512640 135819388 4294956160 18446744073709551615 134617683 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1739 1486 148 319 0 1417 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6956

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

[startup+7.90201 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1819504/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=7476 CPUtime=7.89
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1747 0 0 0 788 1 0 0 25 0 1 0 1150150911 7655424 1637 1992294400 134512640 135819388 4294956160 18446744073709551615 134603096 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1869 1637 148 319 0 1547 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 7476

[startup+8.70113 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1819056/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=7860 CPUtime=8.7
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1830 0 0 0 869 1 0 0 25 0 1 0 1150150911 8048640 1720 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 1965 1720 148 319 0 1643 0
Current children cumulated CPU time (s) 8.7
Current children cumulated vsize (KiB) 7860

[startup+9.10118 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1819056/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=8000 CPUtime=9.09
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1856 0 0 0 908 1 0 0 25 0 1 0 1150150911 8192000 1746 1992294400 134512640 135819388 4294956160 18446744073709551615 134593289 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 2000 1746 148 319 0 1678 0
Current children cumulated CPU time (s) 9.09
Current children cumulated vsize (KiB) 8000

[startup+9.30121 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1819056/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=8000 CPUtime=9.29
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1862 0 0 0 928 1 0 0 25 0 1 0 1150150911 8192000 1752 1992294400 134512640 135819388 4294956160 18446744073709551615 135226948 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 2000 1752 148 319 0 1678 0
Current children cumulated CPU time (s) 9.29
Current children cumulated vsize (KiB) 8000

[startup+9.40123 s]
/proc/loadavg: 0.95 0.97 0.99 2/65 24449
/proc/meminfo: memFree=1819056/2055920 swapFree=4175700/4192956
[pid=24448] ppid=24446 vsize=8000 CPUtime=9.39
/proc/24448/stat : 24448 (hydrasat-flat) R 24446 24448 23891 0 -1 4194304 1862 0 0 0 938 1 0 0 25 0 1 0 1150150911 8192000 1752 1992294400 134512640 135819388 4294956160 18446744073709551615 134617653 0 0 4096 1 0 0 0 17 1 0 0
/proc/24448/statm: 2000 1752 148 319 0 1678 0
Current children cumulated CPU time (s) 9.39
Current children cumulated vsize (KiB) 8000

Child status: 10
Real time (s): 9.47995
CPU time (s): 9.47656
CPU user time (s): 9.46456
CPU system time (s): 0.011998
CPU usage (%): 99.9642
Max. virtual memory (cumulated for all children) (KiB): 8000

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.46456
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1869
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= 6

runsolver used 0.012998 second user time and 0.026995 second system time

The end

Launcher Data

Begin job on node30 at 2009-04-03 18:07:37
IDJOB=1562422
IDBENCH=70934
IDSOLVER=519
FILE ID=node30/1562422-1238774857
PBS_JOBID= 9085515
Free space on /tmp= 66512 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/edgematching/fbcolors/em_7_4_9_fbc.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562422-1238774857/watcher-1562422-1238774857 -o /tmp/evaluation-result-1562422-1238774857/solver-1562422-1238774857 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1562422-1238774857.cnf -rs 1518114909 -co memory_limit 1800

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

MD5SUM BENCH= 4259362ee72589b1a94d1f5c9f846a0b
RANDOM SEED=1518114909

node30.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		: 3000.260
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	: 5931.00
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		: 3000.260
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:       1826008 kB
Buffers:         18728 kB
Cached:         131624 kB
SwapCached:      10876 kB
Active:          30084 kB
Inactive:       133120 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1826008 kB
SwapTotal:     4192956 kB
SwapFree:      4175700 kB
Dirty:            1840 kB
Writeback:           0 kB
Mapped:          18768 kB
Slab:            52672 kB
Committed_AS:  3422472 kB
PageTables:       1368 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= 66508 MiB
End job on node30 at 2009-04-03 18:07:47