Trace number 1725750

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
adaptg2wsat2009 2009-03-23SAT 4.52831 4.5283

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 

4.49/4.52	c 2206 clauses are redundant and removed
4.49/4.52	c 56 vars are fixed and 2262 clauses are removed after unit propagation
4.49/4.52	c 57 vars are fixed and 2280 clauses are removed after lookahead
4.49/4.52	c initial seed is 781539195
4.49/4.52	c try 1 flip j 700891 walk 571217 seed 558979449
4.49/4.52	c A solution is found
4.49/4.52	s SATISFIABLE
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4.49/4.52	v 0 
4.49/4.52	c Done (mycputime is 3.400 seconds)

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-1725750-1240706424/watcher-1725750-1240706424 -o /tmp/evaluation-result-1725750-1240706424/solver-1725750-1240706424 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat2009 HOME/instance-1725750-1240706424.cnf 781539195 

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: 0.93 0.98 0.99 3/64 18859
/proc/meminfo: memFree=1625688/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=415800 CPUtime=0
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 99 0 0 0 0 0 0 0 18 0 1 0 98676397 425779200 83 1992294400 134512640 135106963 4294956208 18446744073709551615 134732843 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 103950 83 49 145 0 102826 0

[startup+0.0522889 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 18859
/proc/meminfo: memFree=1625688/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=416460 CPUtime=0.04
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 303 0 0 0 4 0 0 0 18 0 1 0 98676397 426455040 287 1992294400 134512640 135106963 4294956208 18446744073709551615 134519932 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104115 287 49 145 0 102991 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 416460

[startup+0.101293 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 18859
/proc/meminfo: memFree=1625688/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=418568 CPUtime=0.09
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 892 0 0 0 9 0 0 0 18 0 1 0 98676397 428613632 875 1992294400 134512640 135106963 4294956208 18446744073709551615 134523442 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104642 875 50 145 0 103518 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 418568

[startup+0.30131 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 18859
/proc/meminfo: memFree=1625688/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=418568 CPUtime=0.29
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 893 0 0 0 29 0 0 0 19 0 1 0 98676397 428613632 876 1992294400 134512640 135106963 4294956208 18446744073709551615 134523426 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104642 876 50 145 0 103518 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 418568

[startup+0.701341 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 18859
/proc/meminfo: memFree=1625688/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=418568 CPUtime=0.69
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 895 0 0 0 69 0 0 0 22 0 1 0 98676397 428613632 878 1992294400 134512640 135106963 4294956208 18446744073709551615 134523310 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104642 878 50 145 0 103518 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 418568

[startup+1.50141 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18860
/proc/meminfo: memFree=1622096/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=419264 CPUtime=1.49
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 1176 0 0 0 149 0 0 0 25 0 1 0 98676397 429326336 1157 1992294400 134512640 135106963 4294956208 18446744073709551615 134532032 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104816 1157 60 145 0 103692 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 419264

[startup+3.10154 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18860
/proc/meminfo: memFree=1620880/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=419264 CPUtime=3.09
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 1176 0 0 0 309 0 0 0 25 0 1 0 98676397 429326336 1157 1992294400 134512640 135106963 4294956208 18446744073709551615 134531117 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104816 1157 60 145 0 103692 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 419264

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

[startup+3.9016 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18860
/proc/meminfo: memFree=1620880/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=419264 CPUtime=3.89
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 1176 0 0 0 389 0 0 0 25 0 1 0 98676397 429326336 1157 1992294400 134512640 135106963 4294956208 18446744073709551615 134531504 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104816 1157 60 145 0 103692 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 419264

[startup+4.30164 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18860
/proc/meminfo: memFree=1620880/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=419264 CPUtime=4.29
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 1176 0 0 0 429 0 0 0 25 0 1 0 98676397 429326336 1157 1992294400 134512640 135106963 4294956208 18446744073709551615 134531504 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104816 1157 60 145 0 103692 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 419264

[startup+4.50165 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 18860
/proc/meminfo: memFree=1620880/2055920 swapFree=4192812/4192956
[pid=18859] ppid=18857 vsize=419268 CPUtime=4.49
/proc/18859/stat : 18859 (adaptg2wsat2009) R 18857 18859 18534 0 -1 4194304 1177 0 0 0 449 0 0 0 25 0 1 0 98676397 429330432 1158 1992294400 134512640 135106963 4294956208 18446744073709551615 134611406 0 0 4096 0 0 0 0 17 1 0 0
/proc/18859/statm: 104817 1158 60 145 0 103693 0
Current children cumulated CPU time (s) 4.49
Current children cumulated vsize (KiB) 419268

Child status: 10
Real time (s): 4.5283
CPU time (s): 4.52831
CPU user time (s): 4.52131
CPU system time (s): 0.006998
CPU usage (%): 100
Max. virtual memory (cumulated for all children) (KiB): 419268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.52131
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1185
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= 3
involuntary context switches= 12

runsolver used 0.007998 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node3 at 2009-04-26 02:40:24
IDJOB=1725750
IDBENCH=24597
IDSOLVER=542
FILE ID=node3/1725750-1240706424
PBS_JOBID= 9186799
Free space on /tmp= 66068 MiB

SOLVER NAME= adaptg2wsat2009 2009-03-23
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn005.sat05-3845.reshuffled-07.cnf
COMMAND LINE= HOME/adaptg2wsat2009 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725750-1240706424/watcher-1725750-1240706424 -o /tmp/evaluation-result-1725750-1240706424/solver-1725750-1240706424 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat2009 HOME/instance-1725750-1240706424.cnf 781539195

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

MD5SUM BENCH= 50ea7ab54b71dd15b01cd5fd293d58eb
RANDOM SEED=781539195

node3.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		: 3000.212
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		: 3000.212
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:       1626104 kB
Buffers:         43128 kB
Cached:         313524 kB
SwapCached:        144 kB
Active:         133412 kB
Inactive:       238308 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1626104 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            5420 kB
Writeback:           0 kB
Mapped:          23648 kB
Slab:            44120 kB
Committed_AS:   363004 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= 66064 MiB
End job on node3 at 2009-04-26 02:40:28