Trace number 1561798

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 27.0769 27.0887

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.5996
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
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 

26.97/27.08	
26.97/27.08	c decisions : 595969
26.97/27.08	c conflicts : 108549
26.97/27.08	c Memory limit 1620 MiB
26.97/27.08	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-1561798-1238768859/watcher-1561798-1238768859 -o /tmp/evaluation-result-1561798-1238768859/solver-1561798-1238768859 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1561798-1238768859.cnf -rs 321271931 -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: 0.91 0.97 0.99 3/64 31267
/proc/meminfo: memFree=1740536/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=1844 CPUtime=0
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 211 0 0 0 0 0 0 0 18 0 1 0 1149550880 1888256 195 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 461 195 119 319 0 139 0

[startup+0.0865619 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 31267
/proc/meminfo: memFree=1740536/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=6376 CPUtime=0.08
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 1441 0 0 0 7 1 0 0 18 0 1 0 1149550880 6529024 1384 1992294400 134512640 135819388 4294956160 18446744073709551615 134521401 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 1594 1384 127 319 0 1272 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6376

[startup+0.101563 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 31267
/proc/meminfo: memFree=1740536/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=6376 CPUtime=0.09
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 1441 0 0 0 8 1 0 0 18 0 1 0 1149550880 6529024 1384 1992294400 134512640 135819388 4294956160 18446744073709551615 134521148 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 1594 1384 127 319 0 1272 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6376

[startup+0.301603 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 31267
/proc/meminfo: memFree=1740536/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=6620 CPUtime=0.29
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 1504 0 0 0 28 1 0 0 19 0 1 0 1149550880 6778880 1385 1992294400 134512640 135819388 4294956160 18446744073709551615 134681622 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 1655 1385 128 319 0 1333 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6620

[startup+0.701684 s]
/proc/loadavg: 0.91 0.97 0.99 3/64 31267
/proc/meminfo: memFree=1740536/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=9952 CPUtime=0.69
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 2443 0 0 0 68 1 0 0 22 0 1 0 1149550880 10190848 2232 1992294400 134512640 135819388 4294956160 18446744073709551615 135215816 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 2488 2232 148 319 0 2166 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9952

[startup+1.50184 s]
/proc/loadavg: 0.91 0.97 0.99 2/65 31268
/proc/meminfo: memFree=1732144/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=10084 CPUtime=1.49
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 2478 0 0 0 148 1 0 0 25 0 1 0 1149550880 10326016 2267 1992294400 134512640 135819388 4294956160 18446744073709551615 134667987 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 2521 2267 148 319 0 2199 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10084

[startup+3.10116 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 31268
/proc/meminfo: memFree=1731888/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=10348 CPUtime=3.09
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 2532 0 0 0 308 1 0 0 25 0 1 0 1149550880 10596352 2321 1992294400 134512640 135819388 4294956160 18446744073709551615 134616815 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 2587 2321 148 319 0 2265 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10348

[startup+6.3018 s]
/proc/loadavg: 0.92 0.97 0.99 2/65 31268
/proc/meminfo: memFree=1731184/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=11140 CPUtime=6.29
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 2720 0 0 0 628 1 0 0 25 0 1 0 1149550880 11407360 2509 1992294400 134512640 135819388 4294956160 18446744073709551615 135209767 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 2785 2509 148 319 0 2463 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11140

[startup+12.7011 s]
/proc/loadavg: 0.93 0.97 0.99 2/65 31268
/proc/meminfo: memFree=1729912/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=12328 CPUtime=12.68
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 3023 0 0 0 1267 1 0 0 25 0 1 0 1149550880 12623872 2812 1992294400 134512640 135819388 4294956160 18446744073709551615 134617580 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 3082 2812 148 319 0 2760 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 12328

[startup+25.5016 s]
/proc/loadavg: 1.02 0.99 0.99 2/65 31268
/proc/meminfo: memFree=1726648/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=15240 CPUtime=25.48
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 3753 0 0 0 2547 1 0 0 25 0 1 0 1149550880 15605760 3542 1992294400 134512640 135819388 4294956160 18446744073709551615 134669238 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 3810 3542 148 319 0 3488 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 15240

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

[startup+26.3028 s]
/proc/loadavg: 1.02 0.99 0.99 2/65 31268
/proc/meminfo: memFree=1726648/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=15240 CPUtime=26.28
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 3753 0 0 0 2627 1 0 0 25 0 1 0 1149550880 15605760 3542 1992294400 134512640 135819388 4294956160 18446744073709551615 134617199 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 3810 3542 148 319 0 3488 0
Current children cumulated CPU time (s) 26.28
Current children cumulated vsize (KiB) 15240

[startup+26.7019 s]
/proc/loadavg: 1.02 0.99 0.99 2/65 31268
/proc/meminfo: memFree=1726648/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=15372 CPUtime=26.67
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 3800 0 0 0 2666 1 0 0 25 0 1 0 1149550880 15740928 3589 1992294400 134512640 135819388 4294956160 18446744073709551615 134668024 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 3843 3589 148 319 0 3521 0
Current children cumulated CPU time (s) 26.67
Current children cumulated vsize (KiB) 15372

[startup+26.9019 s]
/proc/loadavg: 1.02 0.99 0.99 2/65 31268
/proc/meminfo: memFree=1726648/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=15640 CPUtime=26.87
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 3854 0 0 0 2686 1 0 0 25 0 1 0 1149550880 16015360 3643 1992294400 134512640 135819388 4294956160 18446744073709551615 134616815 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 3910 3643 148 319 0 3588 0
Current children cumulated CPU time (s) 26.87
Current children cumulated vsize (KiB) 15640

[startup+27.0019 s]
/proc/loadavg: 1.02 0.99 0.99 2/65 31268
/proc/meminfo: memFree=1726648/2055920 swapFree=4175828/4192956
[pid=31267] ppid=31265 vsize=15772 CPUtime=26.97
/proc/31267/stat : 31267 (hydrasat-flat) R 31265 31267 31172 0 -1 4194304 3877 0 0 0 2696 1 0 0 25 0 1 0 1149550880 16150528 3666 1992294400 134512640 135819388 4294956160 18446744073709551615 135226987 0 0 4096 1 0 0 0 17 1 0 0
/proc/31267/statm: 3943 3666 148 319 0 3621 0
Current children cumulated CPU time (s) 26.97
Current children cumulated vsize (KiB) 15772

Child status: 10
Real time (s): 27.0887
CPU time (s): 27.0769
CPU user time (s): 27.0539
CPU system time (s): 0.022996
CPU usage (%): 99.9566
Max. virtual memory (cumulated for all children) (KiB): 15772

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.0539
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3925
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= 68

runsolver used 0.026995 second user time and 0.06199 second system time

The end

Launcher Data 

Begin job on node33 at 2009-04-03 16:27:39
IDJOB=1561798
IDBENCH=70922
IDSOLVER=519
FILE ID=node33/1561798-1238768859
PBS_JOBID= 9085538
Free space on /tmp= 66524 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561798-1238768859/watcher-1561798-1238768859 -o /tmp/evaluation-result-1561798-1238768859/solver-1561798-1238768859 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1561798-1238768859.cnf -rs 321271931 -co memory_limit 1800

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=321271931

node33.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		: 3000.266
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		: 3000.266
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:       1741016 kB
Buffers:         46520 kB
Cached:         191848 kB
SwapCached:      10920 kB
Active:         101836 kB
Inactive:       149032 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1741016 kB
SwapTotal:     4192956 kB
SwapFree:      4175828 kB
Dirty:            2488 kB
Writeback:           0 kB
Mapped:          18156 kB
Slab:            50088 kB
Committed_AS:  3336864 kB
PageTables:       1400 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= 66520 MiB
End job on node33 at 2009-04-03 16:28:06