Trace number 1560966

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 33.082 33.0951

General information on the benchmark

NameCRAFTED/edgematching/
compact/em_7_4_9_cmp.cnf
MD5SUMcc3488b2f0eb99d818c5779787a8ab84
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark11.3113
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses15063
Sum of the clauses size48355
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23556
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

32.98/33.09	
32.98/33.09	c decisions : 335042
32.98/33.09	c conflicts : 120919
32.98/33.09	c Memory limit 1620 MiB
32.98/33.09	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-1560966-1238759838/watcher-1560966-1238759838 -o /tmp/evaluation-result-1560966-1238759838/solver-1560966-1238759838 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1560966-1238759838.cnf -rs 5467660 -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: 1.64 1.40 1.34 3/65 5086
/proc/meminfo: memFree=1827328/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=1728 CPUtime=0
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 204 0 0 0 0 0 0 0 18 0 1 0 1148646041 1769472 188 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 432 190 119 319 0 110 0

[startup+0.023147 s]
/proc/loadavg: 1.64 1.40 1.34 3/65 5086
/proc/meminfo: memFree=1827328/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=2520 CPUtime=0.01
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 426 0 0 0 1 0 0 0 18 0 1 0 1148646041 2580480 410 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 630 411 125 319 0 308 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2520

[startup+0.10116 s]
/proc/loadavg: 1.64 1.40 1.34 3/65 5086
/proc/meminfo: memFree=1827328/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=3612 CPUtime=0.09
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 695 0 0 0 9 0 0 0 18 0 1 0 1148646041 3698688 678 1992294400 134512640 135819388 4294956160 18446744073709551615 134586599 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 903 678 148 319 0 581 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3612

[startup+0.301195 s]
/proc/loadavg: 1.64 1.40 1.34 3/65 5086
/proc/meminfo: memFree=1827328/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=3872 CPUtime=0.29
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 772 0 0 0 29 0 0 0 19 0 1 0 1148646041 3964928 755 1992294400 134512640 135819388 4294956160 18446744073709551615 134603099 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 968 755 148 319 0 646 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3872

[startup+0.701266 s]
/proc/loadavg: 1.64 1.40 1.34 3/65 5086
/proc/meminfo: memFree=1827328/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=4132 CPUtime=0.69
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 837 0 0 0 69 0 0 0 22 0 1 0 1148646041 4231168 820 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 1033 820 148 319 0 711 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4132

[startup+1.50241 s]
/proc/loadavg: 1.64 1.40 1.34 2/66 5087
/proc/meminfo: memFree=1824568/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=4392 CPUtime=1.49
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 904 0 0 0 149 0 0 0 25 0 1 0 1148646041 4497408 887 1992294400 134512640 135819388 4294956160 18446744073709551615 134668808 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 1098 887 148 319 0 776 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4392

[startup+3.10169 s]
/proc/loadavg: 1.59 1.40 1.34 2/66 5087
/proc/meminfo: memFree=1823992/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=5164 CPUtime=3.09
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 1083 0 0 0 309 0 0 0 25 0 1 0 1148646041 5287936 1066 1992294400 134512640 135819388 4294956160 18446744073709551615 134603477 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 1291 1066 148 319 0 969 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5164

[startup+6.30126 s]
/proc/loadavg: 1.59 1.40 1.34 2/66 5087
/proc/meminfo: memFree=1823032/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=5928 CPUtime=6.29
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 1263 0 0 0 629 0 0 0 25 0 1 0 1148646041 6070272 1246 1992294400 134512640 135819388 4294956160 18446744073709551615 134617021 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 1482 1246 148 319 0 1160 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 5928

[startup+12.7014 s]
/proc/loadavg: 1.50 1.38 1.33 2/66 5087
/proc/meminfo: memFree=1821112/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=7580 CPUtime=12.68
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 1696 0 0 0 1268 0 0 0 25 0 1 0 1148646041 7761920 1679 1992294400 134512640 135819388 4294956160 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 1895 1679 148 319 0 1573 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 7580

[startup+25.5017 s]
/proc/loadavg: 1.42 1.37 1.33 2/66 5087
/proc/meminfo: memFree=1818552/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=10164 CPUtime=25.48
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 2294 0 0 0 2547 1 0 0 25 0 1 0 1148646041 10407936 2277 1992294400 134512640 135819388 4294956160 18446744073709551615 134593273 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 2541 2277 148 319 0 2219 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 10164

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

[startup+28.7012 s]
/proc/loadavg: 1.39 1.36 1.33 2/66 5087
/proc/meminfo: memFree=1818360/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=10468 CPUtime=28.68
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 2347 0 0 0 2867 1 0 0 25 0 1 0 1148646041 10719232 2330 1992294400 134512640 135819388 4294956160 18446744073709551615 134669268 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 2617 2330 148 319 0 2295 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 10468

[startup+30.3015 s]
/proc/loadavg: 1.39 1.36 1.33 2/66 5087
/proc/meminfo: memFree=1818296/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=10612 CPUtime=30.28
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 2377 0 0 0 3027 1 0 0 25 0 1 0 1148646041 10866688 2360 1992294400 134512640 135819388 4294956160 18446744073709551615 134616857 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 2653 2360 148 319 0 2331 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 10612

[startup+31.9058 s]
/proc/loadavg: 1.35 1.36 1.33 2/66 5087
/proc/meminfo: memFree=1818040/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=10752 CPUtime=31.88
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 2424 0 0 0 3187 1 0 0 25 0 1 0 1148646041 11010048 2407 1992294400 134512640 135819388 4294956160 18446744073709551615 134603400 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 2688 2407 148 319 0 2366 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 10752

[startup+32.7019 s]
/proc/loadavg: 1.35 1.36 1.33 2/66 5087
/proc/meminfo: memFree=1818040/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=10888 CPUtime=32.68
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 2455 0 0 0 3267 1 0 0 25 0 1 0 1148646041 11149312 2438 1992294400 134512640 135819388 4294956160 18446744073709551615 135208571 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 2722 2438 148 319 0 2400 0
Current children cumulated CPU time (s) 32.68
Current children cumulated vsize (KiB) 10888

[startup+32.902 s]
/proc/loadavg: 1.35 1.36 1.33 2/66 5087
/proc/meminfo: memFree=1817848/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=11024 CPUtime=32.88
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 2472 0 0 0 3287 1 0 0 25 0 1 0 1148646041 11288576 2455 1992294400 134512640 135819388 4294956160 18446744073709551615 134667861 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 2756 2455 148 319 0 2434 0
Current children cumulated CPU time (s) 32.88
Current children cumulated vsize (KiB) 11024

[startup+33.006 s]
/proc/loadavg: 1.35 1.36 1.33 2/66 5087
/proc/meminfo: memFree=1817848/2055920 swapFree=4177732/4192956
[pid=5086] ppid=5084 vsize=11024 CPUtime=32.98
/proc/5086/stat : 5086 (hydrasat-flat) R 5084 5086 4674 0 -1 4194304 2473 0 0 0 3297 1 0 0 25 0 1 0 1148646041 11288576 2456 1992294400 134512640 135819388 4294956160 18446744073709551615 134616857 0 0 4096 1 0 0 0 17 1 0 0
/proc/5086/statm: 2756 2456 148 319 0 2434 0
Current children cumulated CPU time (s) 32.98
Current children cumulated vsize (KiB) 11024

Child status: 10
Real time (s): 33.0951
CPU time (s): 33.082
CPU user time (s): 33.065
CPU system time (s): 0.016997
CPU usage (%): 99.9603
Max. virtual memory (cumulated for all children) (KiB): 11024

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 33.065
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2488
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= 36

runsolver used 0.042993 second user time and 0.084987 second system time

The end

Launcher Data

Begin job on node56 at 2009-04-03 13:57:18
IDJOB=1560966
IDBENCH=70906
IDSOLVER=519
FILE ID=node56/1560966-1238759838
PBS_JOBID= 9085482
Free space on /tmp= 103184 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/edgematching/compact/em_7_4_9_cmp.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1560966-1238759838/watcher-1560966-1238759838 -o /tmp/evaluation-result-1560966-1238759838/solver-1560966-1238759838 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1560966-1238759838.cnf -rs 5467660 -co memory_limit 1800

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

MD5SUM BENCH= cc3488b2f0eb99d818c5779787a8ab84
RANDOM SEED=5467660

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:       1827808 kB
Buffers:         19440 kB
Cached:         132712 kB
SwapCached:       9280 kB
Active:          19492 kB
Inactive:       143392 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1827808 kB
SwapTotal:     4192956 kB
SwapFree:      4177732 kB
Dirty:            1636 kB
Writeback:           0 kB
Mapped:          16404 kB
Slab:            51108 kB
Committed_AS:  2906248 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= 103184 MiB
End job on node56 at 2009-04-03 13:57:51