Trace number 1561746

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 11.5082 11.5102

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_3_6_exp.cnf
MD5SUM5b8699f429b7fdd3e23d69c762326321
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.739886
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses22887
Sum of the clauses size60224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 213705
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 

11.49/11.50	
11.49/11.50	c decisions : 238730
11.49/11.50	c conflicts : 63141
11.49/11.50	c Memory limit 1620 MiB
11.49/11.50	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-1561746-1238768474/watcher-1561746-1238768474 -o /tmp/evaluation-result-1561746-1238768474/solver-1561746-1238768474 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-flat HOME/instance-1561746-1238768474.cnf -rs 1150163280 -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: 1.15 1.00 1.00 3/64 3196
/proc/meminfo: memFree=1759544/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=1728 CPUtime=0
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 211 0 0 0 0 0 0 0 18 0 1 0 1149509275 1769472 195 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 432 195 119 319 0 110 0

[startup+0.097304 s]
/proc/loadavg: 1.15 1.00 1.00 3/64 3196
/proc/meminfo: memFree=1759544/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=3532 CPUtime=0.09
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 673 0 0 0 9 0 0 0 18 0 1 0 1149509275 3616768 657 1992294400 134512640 135819388 4294956160 18446744073709551615 135226985 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 883 657 128 319 0 561 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3532

[startup+0.101303 s]
/proc/loadavg: 1.15 1.00 1.00 3/64 3196
/proc/meminfo: memFree=1759544/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=3532 CPUtime=0.09
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 673 0 0 0 9 0 0 0 18 0 1 0 1149509275 3616768 657 1992294400 134512640 135819388 4294956160 18446744073709551615 134520672 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 883 657 128 319 0 561 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3532

[startup+0.301322 s]
/proc/loadavg: 1.15 1.00 1.00 3/64 3196
/proc/meminfo: memFree=1759544/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=4720 CPUtime=0.29
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 997 0 0 0 29 0 0 0 19 0 1 0 1149509275 4833280 980 1992294400 134512640 135819388 4294956160 18446744073709551615 135042918 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1180 980 148 319 0 858 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4720

[startup+0.701359 s]
/proc/loadavg: 1.15 1.00 1.00 3/64 3196
/proc/meminfo: memFree=1759544/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=5116 CPUtime=0.69
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1068 0 0 0 69 0 0 0 23 0 1 0 1149509275 5238784 1051 1992294400 134512640 135819388 4294956160 18446744073709551615 134617610 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1279 1051 148 319 0 957 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5116

[startup+1.50143 s]
/proc/loadavg: 1.15 1.00 1.00 2/65 3197
/proc/meminfo: memFree=1755760/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=5372 CPUtime=1.49
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1157 0 0 0 149 0 0 0 25 0 1 0 1149509275 5500928 1140 1992294400 134512640 135819388 4294956160 18446744073709551615 134668024 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1343 1140 148 319 0 1021 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5372

[startup+3.10159 s]
/proc/loadavg: 1.15 1.00 1.00 2/65 3197
/proc/meminfo: memFree=1755184/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=6056 CPUtime=3.09
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1316 0 0 0 309 0 0 0 25 0 1 0 1149509275 6201344 1299 1992294400 134512640 135819388 4294956160 18446744073709551615 135210678 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1514 1299 148 319 0 1192 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6056

[startup+6.30189 s]
/proc/loadavg: 1.14 1.00 1.00 2/65 3197
/proc/meminfo: memFree=1753520/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=7308 CPUtime=6.29
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1634 0 0 0 628 1 0 0 25 0 1 0 1149509275 7483392 1617 1992294400 134512640 135819388 4294956160 18446744073709551615 134603410 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1827 1617 148 319 0 1505 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7308

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

[startup+9.50119 s]
/proc/loadavg: 1.14 1.00 1.00 2/65 3197
/proc/meminfo: memFree=1753456/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=7556 CPUtime=9.49
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1681 0 0 0 948 1 0 0 25 0 1 0 1149509275 7737344 1664 1992294400 134512640 135819388 4294956160 18446744073709551615 134603076 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1889 1664 148 319 0 1567 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 7556

[startup+10.3013 s]
/proc/loadavg: 1.12 1.00 1.00 2/65 3197
/proc/meminfo: memFree=1753264/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=7556 CPUtime=10.29
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1701 0 0 0 1028 1 0 0 25 0 1 0 1149509275 7737344 1684 1992294400 134512640 135819388 4294956160 18446744073709551615 134668635 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1889 1684 148 319 0 1567 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 7556

[startup+11.1013 s]
/proc/loadavg: 1.12 1.00 1.00 2/65 3197
/proc/meminfo: memFree=1752816/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=7936 CPUtime=11.09
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1800 0 0 0 1108 1 0 0 25 0 1 0 1149509275 8126464 1783 1992294400 134512640 135819388 4294956160 18446744073709551615 134617580 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1984 1783 148 319 0 1662 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 7936

[startup+11.5014 s]
/proc/loadavg: 1.12 1.00 1.00 2/65 3197
/proc/meminfo: memFree=1752816/2055920 swapFree=4179168/4192956
[pid=3196] ppid=3194 vsize=7936 CPUtime=11.49
/proc/3196/stat : 3196 (hydrasat-flat) R 3194 3196 3069 0 -1 4194304 1802 0 0 0 1148 1 0 0 25 0 1 0 1149509275 8126464 1785 1992294400 134512640 135819388 4294956160 18446744073709551615 134617923 0 0 4096 1 0 0 0 17 1 0 0
/proc/3196/statm: 1984 1785 148 319 0 1662 0
Current children cumulated CPU time (s) 11.49
Current children cumulated vsize (KiB) 7936

Child status: 10
Real time (s): 11.5102
CPU time (s): 11.5082
CPU user time (s): 11.4923
CPU system time (s): 0.015997
CPU usage (%): 99.9831
Max. virtual memory (cumulated for all children) (KiB): 7936

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.4923
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1808
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= 17

runsolver used 0.014997 second user time and 0.026995 second system time

The end

Launcher Data 

Begin job on node61 at 2009-04-03 16:21:14
IDJOB=1561746
IDBENCH=70921
IDSOLVER=519
FILE ID=node61/1561746-1238768474
PBS_JOBID= 9085533
Free space on /tmp= 66476 MiB

SOLVER NAME= HydraSAT-Flat 2009-03-22-Flat
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_3_6_exp.cnf
COMMAND LINE= DIR/hydrasat-flat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561746-1238768474/watcher-1561746-1238768474 -o /tmp/evaluation-result-1561746-1238768474/solver-1561746-1238768474 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-flat HOME/instance-1561746-1238768474.cnf -rs 1150163280 -co memory_limit 1800

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

MD5SUM BENCH= 5b8699f429b7fdd3e23d69c762326321
RANDOM SEED=1150163280

node61.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		: 3000.238
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		: 3000.238
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:       1760024 kB
Buffers:         32816 kB
Cached:         191348 kB
SwapCached:       8056 kB
Active:          81812 kB
Inactive:       152072 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1760024 kB
SwapTotal:     4192956 kB
SwapFree:      4179168 kB
Dirty:            1804 kB
Writeback:           0 kB
Mapped:          15460 kB
Slab:            48164 kB
Committed_AS:  2943776 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66472 MiB
End job on node61 at 2009-04-03 16:21:26