Trace number 1725732

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 2009-03-22-BaseSAT 11.5602 11.5644

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
MD5SUM50ea7ab54b71dd15b01cd5fd293d58eb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.76073
Satisfiable
(Un)Satisfiability was proved
Number of variables2765
Number of clauses18046
Sum of the clauses size127926
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2400
Number of clauses of size 32372
Number of clauses of size 4481
Number of clauses of size 5648
Number of clauses of size over 514110

Solver Data 

11.49/11.56	
11.49/11.56	c decisions : 120165
11.49/11.56	c conflicts : 52497
11.49/11.56	c Memory limit 1620 MiB
11.49/11.56	c RANDOM SEED: 1270786512
11.49/11.56	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-1725732-1240706351/watcher-1725732-1240706351 -o /tmp/evaluation-result-1725732-1240706351/solver-1725732-1240706351 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat HOME/instance-1725732-1240706351.cnf -rs 1270786512 -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: 0.99 0.97 0.98 3/64 21804
/proc/meminfo: memFree=1769024/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=1768 CPUtime=0
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 209 0 0 0 0 0 0 0 18 0 1 0 98668341 1810432 193 1992294400 134512640 135997824 4294956176 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 442 193 151 362 0 77 0

[startup+0.069917 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 21804
/proc/meminfo: memFree=1769024/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=3796 CPUtime=0.06
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 744 0 0 0 6 0 0 0 18 0 1 0 98668341 3887104 728 1992294400 134512640 135997824 4294956176 18446744073709551615 134520092 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 949 728 158 362 0 584 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3796

[startup+0.10192 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 21804
/proc/meminfo: memFree=1769024/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=3796 CPUtime=0.09
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 744 0 0 0 9 0 0 0 18 0 1 0 98668341 3887104 728 1992294400 134512640 135997824 4294956176 18446744073709551615 134695407 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 949 728 158 362 0 584 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3796

[startup+0.301955 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 21804
/proc/meminfo: memFree=1769024/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=4292 CPUtime=0.29
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 861 0 0 0 29 0 0 0 19 0 1 0 98668341 4395008 844 1992294400 134512640 135997824 4294956176 18446744073709551615 135376396 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1073 844 174 362 0 708 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4292

[startup+0.702025 s]
/proc/loadavg: 0.99 0.97 0.98 3/64 21804
/proc/meminfo: memFree=1769024/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=4552 CPUtime=0.69
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 932 0 0 0 69 0 0 0 22 0 1 0 98668341 4661248 915 1992294400 134512640 135997824 4294956176 18446744073709551615 134844000 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1138 915 174 362 0 773 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4552

[startup+1.50117 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 21805
/proc/meminfo: memFree=1765944/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=4816 CPUtime=1.49
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 1009 0 0 0 149 0 0 0 25 0 1 0 98668341 4931584 992 1992294400 134512640 135997824 4294956176 18446744073709551615 134683535 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1204 992 174 362 0 839 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4816

[startup+3.10145 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 21805
/proc/meminfo: memFree=1765304/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=5588 CPUtime=3.09
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 1176 0 0 0 309 0 0 0 25 0 1 0 98668341 5722112 1159 1992294400 134512640 135997824 4294956176 18446744073709551615 134683535 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1397 1159 174 362 0 1032 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5588

[startup+6.30201 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 21805
/proc/meminfo: memFree=1764088/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=6508 CPUtime=6.28
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 1424 0 0 0 628 0 0 0 25 0 1 0 98668341 6664192 1407 1992294400 134512640 135997824 4294956176 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1627 1407 174 362 0 1262 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 6508

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

[startup+9.50158 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 21805
/proc/meminfo: memFree=1763128/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=7460 CPUtime=9.49
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 1636 0 0 0 948 1 0 0 25 0 1 0 98668341 7639040 1619 1992294400 134512640 135997824 4294956176 18446744073709551615 134757696 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1865 1619 174 362 0 1500 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 7460

[startup+10.3017 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 21805
/proc/meminfo: memFree=1762936/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=7728 CPUtime=10.29
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 1687 0 0 0 1028 1 0 0 25 0 1 0 98668341 7913472 1670 1992294400 134512640 135997824 4294956176 18446744073709551615 134590474 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1932 1670 174 362 0 1567 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 7728

[startup+11.1019 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 21805
/proc/meminfo: memFree=1762616/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=7860 CPUtime=11.09
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 1730 0 0 0 1108 1 0 0 25 0 1 0 98668341 8048640 1713 1992294400 134512640 135997824 4294956176 18446744073709551615 134682589 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1965 1713 174 362 0 1600 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 7860

[startup+11.5019 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 21805
/proc/meminfo: memFree=1762616/2055920 swapFree=4181888/4192956
[pid=21804] ppid=21802 vsize=7992 CPUtime=11.49
/proc/21804/stat : 21804 (hydrasat) R 21802 21804 21710 0 -1 4194304 1771 0 0 0 1148 1 0 0 25 0 1 0 98668341 8183808 1754 1992294400 134512640 135997824 4294956176 18446744073709551615 134590809 0 0 4096 1 0 0 0 17 1 0 0
/proc/21804/statm: 1998 1754 174 362 0 1633 0
Current children cumulated CPU time (s) 11.49
Current children cumulated vsize (KiB) 7992

Child status: 10
Real time (s): 11.5644
CPU time (s): 11.5602
CPU user time (s): 11.5442
CPU system time (s): 0.015997
CPU usage (%): 99.9642
Max. virtual memory (cumulated for all children) (KiB): 7992

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.5442
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= 1785
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= 25

runsolver used 0.005999 second user time and 0.037994 second system time

The end

Launcher Data 

Begin job on node18 at 2009-04-26 02:39:11
IDJOB=1725732
IDBENCH=24597
IDSOLVER=520
FILE ID=node18/1725732-1240706351
PBS_JOBID= 9186808
Free space on /tmp= 66148 MiB

SOLVER NAME= HydraSAT 2009-03-22-Base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= DIR/hydrasat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725732-1240706351/watcher-1725732-1240706351 -o /tmp/evaluation-result-1725732-1240706351/solver-1725732-1240706351 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat HOME/instance-1725732-1240706351.cnf -rs 1270786512 -co memory_limit 1800

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=1270786512

node18.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		: 3000.280
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		: 3000.280
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:       1769440 kB
Buffers:         39720 kB
Cached:         189296 kB
SwapCached:       5176 kB
Active:         128460 kB
Inactive:       108740 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1769440 kB
SwapTotal:     4192956 kB
SwapFree:      4181888 kB
Dirty:            2144 kB
Writeback:           0 kB
Mapped:          13864 kB
Slab:            35356 kB
Committed_AS:   382652 kB
PageTables:       1372 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= 66144 MiB
End job on node18 at 2009-04-26 02:39:22