Trace number 1561694

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 108.205 108.234

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

108.16/108.22	
108.16/108.22	c decisions : 1142935
108.16/108.22	c conflicts : 232759
108.16/108.22	c Memory limit 1620 MiB
108.16/108.22	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-1561694-1238768275/watcher-1561694-1238768275 -o /tmp/evaluation-result-1561694-1238768275/solver-1561694-1238768275 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1561694-1238768275.cnf -rs 141288592 -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: 0.85 0.97 0.99 3/68 5346
/proc/meminfo: memFree=1796024/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=1932 CPUtime=0
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 217 0 0 0 0 0 0 0 18 0 1 0 1149489138 1978368 201 1992294400 134512640 135819388 4294956176 18446744073709551615 134644307 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 483 202 119 319 0 161 0

[startup+0.079737 s]
/proc/loadavg: 0.85 0.97 0.99 3/68 5346
/proc/meminfo: memFree=1796024/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=5648 CPUtime=0.07
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 1248 0 0 0 7 0 0 0 18 0 1 0 1149489138 5783552 1191 1992294400 134512640 135819388 4294956176 18446744073709551615 134521121 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 1412 1191 127 319 0 1090 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5648

[startup+0.101737 s]
/proc/loadavg: 0.85 0.97 0.99 3/68 5346
/proc/meminfo: memFree=1796024/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=5648 CPUtime=0.09
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 1248 0 0 0 9 0 0 0 18 0 1 0 1149489138 5783552 1191 1992294400 134512640 135819388 4294956176 18446744073709551615 134681624 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 1412 1191 127 319 0 1090 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5648

[startup+0.301757 s]
/proc/loadavg: 0.85 0.97 0.99 3/68 5346
/proc/meminfo: memFree=1796024/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=8548 CPUtime=0.29
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 2032 0 0 0 29 0 0 0 19 0 1 0 1149489138 8753152 1884 1992294400 134512640 135819388 4294956176 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 2137 1884 148 319 0 1815 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8548

[startup+0.701796 s]
/proc/loadavg: 0.85 0.97 0.99 3/68 5346
/proc/meminfo: memFree=1796024/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=8816 CPUtime=0.69
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 2102 0 0 0 69 0 0 0 22 0 1 0 1149489138 9027584 1954 1992294400 134512640 135819388 4294956176 18446744073709551615 134672017 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 2204 1954 148 319 0 1882 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8816

[startup+1.50287 s]
/proc/loadavg: 0.85 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1788656/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=9356 CPUtime=1.49
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 2225 0 0 0 149 0 0 0 25 0 1 0 1149489138 9580544 2077 1992294400 134512640 135819388 4294956176 18446744073709551615 134616780 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 2339 2077 148 319 0 2017 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9356

[startup+3.10103 s]
/proc/loadavg: 0.85 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1787888/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=10148 CPUtime=3.08
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 2402 0 0 0 308 0 0 0 25 0 1 0 1149489138 10391552 2254 1992294400 134512640 135819388 4294956176 18446744073709551615 134617421 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 2537 2254 148 319 0 2215 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 10148

[startup+6.30135 s]
/proc/loadavg: 0.86 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1786480/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=11292 CPUtime=6.29
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 2674 0 0 0 628 1 0 0 25 0 1 0 1149489138 11563008 2526 1992294400 134512640 135819388 4294956176 18446744073709551615 134616810 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 2823 2526 148 319 0 2501 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11292

[startup+12.702 s]
/proc/loadavg: 0.87 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1784632/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=12752 CPUtime=12.68
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 3068 0 0 0 1267 1 0 0 25 0 1 0 1149489138 13058048 2920 1992294400 134512640 135819388 4294956176 18446744073709551615 134587976 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 3188 2920 148 319 0 2866 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 12752

[startup+25.5013 s]
/proc/loadavg: 0.90 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1782072/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=15404 CPUtime=25.48
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 3731 0 0 0 2546 2 0 0 25 0 1 0 1149489138 15773696 3583 1992294400 134512640 135819388 4294956176 18446744073709551615 135226977 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 3851 3585 148 319 0 3529 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 15404

[startup+51.1018 s]
/proc/loadavg: 0.93 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1778808/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=18968 CPUtime=51.08
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 4588 0 0 0 5105 3 0 0 25 0 1 0 1149489138 19423232 4440 1992294400 134512640 135819388 4294956176 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 4742 4440 148 319 0 4420 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 18968

[startup+102.306 s]
/proc/loadavg: 0.97 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1771960/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=25472 CPUtime=102.27
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 6222 0 0 0 10222 5 0 0 25 0 1 0 1149489138 26083328 6074 1992294400 134512640 135819388 4294956176 18446744073709551615 134669019 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 6368 6074 148 319 0 6046 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 25472

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

[startup+105.501 s]
/proc/loadavg: 0.97 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1771960/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=25472 CPUtime=105.47
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 6223 0 0 0 10542 5 0 0 25 0 1 0 1149489138 26083328 6075 1992294400 134512640 135819388 4294956176 18446744073709551615 134600554 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 6368 6075 148 319 0 6046 0
Current children cumulated CPU time (s) 105.47
Current children cumulated vsize (KiB) 25472

[startup+107.101 s]
/proc/loadavg: 0.97 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1771960/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=25472 CPUtime=107.06
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 6224 0 0 0 10701 5 0 0 25 0 1 0 1149489138 26083328 6076 1992294400 134512640 135819388 4294956176 18446744073709551615 134617204 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 6368 6076 148 319 0 6046 0
Current children cumulated CPU time (s) 107.06
Current children cumulated vsize (KiB) 25472

[startup+107.901 s]
/proc/loadavg: 0.97 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1771960/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=25472 CPUtime=107.86
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 6224 0 0 0 10781 5 0 0 25 0 1 0 1149489138 26083328 6076 1992294400 134512640 135819388 4294956176 18446744073709551615 134617577 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 6368 6076 148 319 0 6046 0
Current children cumulated CPU time (s) 107.86
Current children cumulated vsize (KiB) 25472

[startup+108.101 s]
/proc/loadavg: 0.97 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1771960/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=25472 CPUtime=108.06
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 6224 0 0 0 10801 5 0 0 25 0 1 0 1149489138 26083328 6076 1992294400 134512640 135819388 4294956176 18446744073709551615 134617009 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 6368 6076 148 319 0 6046 0
Current children cumulated CPU time (s) 108.06
Current children cumulated vsize (KiB) 25472

[startup+108.201 s]
/proc/loadavg: 0.97 0.97 0.99 2/69 5347
/proc/meminfo: memFree=1771960/2055920 swapFree=4175348/4192956
[pid=5346] ppid=5344 vsize=25472 CPUtime=108.16
/proc/5346/stat : 5346 (hydrasat-flat) R 5344 5346 5309 0 -1 4194304 6224 0 0 0 10811 5 0 0 25 0 1 0 1149489138 26083328 6076 1992294400 134512640 135819388 4294956176 18446744073709551615 134617068 0 0 4096 1 0 0 0 17 1 0 0
/proc/5346/statm: 6368 6076 148 319 0 6046 0
Current children cumulated CPU time (s) 108.16
Current children cumulated vsize (KiB) 25472

Child status: 10
Real time (s): 108.234
CPU time (s): 108.205
CPU user time (s): 108.147
CPU system time (s): 0.057991
CPU usage (%): 99.9732
Max. virtual memory (cumulated for all children) (KiB): 25472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 108.147
system time used= 0.057991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6230
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= 152

runsolver used 0.102984 second user time and 0.297954 second system time

The end

Launcher Data 

Begin job on node60 at 2009-04-03 16:17:55
IDJOB=1561694
IDBENCH=70920
IDSOLVER=519
FILE ID=node60/1561694-1238768275
PBS_JOBID= 9085532
Free space on /tmp= 66560 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561694-1238768275/watcher-1561694-1238768275 -o /tmp/evaluation-result-1561694-1238768275/solver-1561694-1238768275 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1561694-1238768275.cnf -rs 141288592 -co memory_limit 1800

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=141288592

node60.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		: 3000.202
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		: 3000.202
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:       1796504 kB
Buffers:         36020 kB
Cached:         147356 kB
SwapCached:      10696 kB
Active:          86544 kB
Inactive:       109552 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1796504 kB
SwapTotal:     4192956 kB
SwapFree:      4175348 kB
Dirty:            2284 kB
Writeback:           0 kB
Mapped:          18356 kB
Slab:            48848 kB
Committed_AS:  3632064 kB
PageTables:       1712 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= 66560 MiB
End job on node60 at 2009-04-03 16:19:44