Trace number 307937

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, and are wall clock time (not CPU 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
Spear FH 1.0SAT 54.2877 54.3046

General information on the benchmark

Namerandom/2+p/p0.7/v3500/
unif2p-p0.7-v3500-c9345-S1909130260-19-SAT.cnf
MD5SUM34b5792021dd848a8af4ebefee6dfe73
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.154975
Satisfiable
(Un)Satisfiability was proved
Number of variables3497
Number of clauses9344
Sum of the clauses size25229
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22803
Number of clauses of size 36541
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)          Spear theorem prover               (*) 
0.00/0.00	c (*)        Copyright (C) 2006,2007              (*) 
0.00/0.00	c (*)     Domagoj Babic. All rights reserved.     (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)     There is NO warranty, not even for      (*) 
0.00/0.00	c (*) merchantability or fitness for a particular (*) 
0.00/0.00	c (*)  purpose. Please run with --license to see  (*) 
0.00/0.00	c (*)              license details.               (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c 
0.00/0.00	c solving /tmp/evaluation/307937-1172509701/instance-307937-1172509701.cnf
54.27/54.29	s SATISFIABLE
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54.27/54.29	c runtime 54.28 [s]

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node3/watcher-307937-1172509701 -o ROOT/results/node3/solver-307937-1172509701 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/307937-1172509701/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs /tmp/evaluation/307937-1172509701/instance-307937-1172509701.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 1.50 1.11 1.03 3/77 21470
/proc/meminfo: memFree=822880/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=1932 CPUtime=0
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 263 0 0 0 0 0 0 0 18 0 1 0 270924971 1978368 247 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134518176 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 483 247 126 302 0 178 0

[startup+0.10685 s]
/proc/loadavg: 1.50 1.11 1.03 3/77 21470
/proc/meminfo: memFree=822880/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=2460 CPUtime=0.1
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 428 0 0 0 10 0 0 0 18 0 1 0 270924971 2519040 412 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 615 412 140 302 0 310 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2460

[startup+0.514884 s]
/proc/loadavg: 1.50 1.11 1.03 3/77 21470
/proc/meminfo: memFree=822880/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=2844 CPUtime=0.5
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 544 0 0 0 50 0 0 0 21 0 1 0 270924971 2912256 528 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 711 528 140 302 0 406 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 2844

[startup+1.33495 s]
/proc/loadavg: 1.46 1.11 1.03 2/78 21471
/proc/meminfo: memFree=820824/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=3488 CPUtime=1.32
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 696 0 0 0 132 0 0 0 25 0 1 0 270924971 3571712 680 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 872 681 140 302 0 567 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 3488

[startup+2.97109 s]
/proc/loadavg: 1.46 1.11 1.03 2/78 21471
/proc/meminfo: memFree=819864/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=4640 CPUtime=2.96
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 988 0 0 0 295 1 0 0 25 0 1 0 270924971 4751360 972 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 1160 972 140 302 0 855 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4640

[startup+6.25336 s]
/proc/loadavg: 1.43 1.11 1.03 2/78 21471
/proc/meminfo: memFree=817752/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=6432 CPUtime=6.24
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 1427 0 0 0 621 3 0 0 25 0 1 0 270924971 6586368 1411 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 1608 1411 140 302 0 1303 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 6432

[startup+12.7039 s]
/proc/loadavg: 1.39 1.10 1.03 2/78 21471
/proc/meminfo: memFree=815064/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=9004 CPUtime=12.68
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 2090 0 0 0 1263 5 0 0 25 0 1 0 270924971 9220096 2041 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 2251 2041 140 302 0 1946 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 9004

[startup+25.5109 s]
/proc/loadavg: 1.33 1.10 1.03 2/78 21471
/proc/meminfo: memFree=811032/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=13104 CPUtime=25.49
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 3118 0 0 0 2540 9 0 0 25 0 1 0 270924971 13418496 3069 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 3276 3069 140 302 0 2971 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 13104

[startup+51.1211 s]
/proc/loadavg: 1.20 1.09 1.03 2/78 21471
/proc/meminfo: memFree=804312/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=19900 CPUtime=51.1
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 4839 0 0 0 5094 16 0 0 25 0 1 0 270924971 20377600 4725 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 4975 4725 140 302 0 4670 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 19900

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

[startup+52.4512 s]
/proc/loadavg: 1.20 1.09 1.03 2/78 21471
/proc/meminfo: memFree=804056/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=20156 CPUtime=52.43
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 4917 0 0 0 5227 16 0 0 25 0 1 0 270924971 20639744 4803 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 5039 4803 140 302 0 4734 0
Current children cumulated CPU time (s) 52.43
Current children cumulated vsize (KiB) 20156

[startup+53.2712 s]
/proc/loadavg: 1.20 1.09 1.03 2/78 21471
/proc/meminfo: memFree=803736/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=20412 CPUtime=53.24
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 4967 0 0 0 5308 16 0 0 25 0 1 0 270924971 20901888 4853 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 5103 4853 140 302 0 4798 0
Current children cumulated CPU time (s) 53.24
Current children cumulated vsize (KiB) 20412

[startup+54.0873 s]
/proc/loadavg: 1.20 1.09 1.03 2/78 21471
/proc/meminfo: memFree=803480/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=20540 CPUtime=54.06
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 5019 0 0 0 5390 16 0 0 25 0 1 0 270924971 21032960 4905 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134527089 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 5135 4905 140 302 0 4830 0
Current children cumulated CPU time (s) 54.06
Current children cumulated vsize (KiB) 20540

[startup+54.2953 s]
/proc/loadavg: 1.20 1.09 1.03 2/78 21471
/proc/meminfo: memFree=803480/2055920 swapFree=4192812/4192956
[pid=21470] ppid=21468 vsize=20664 CPUtime=54.27
/proc/21470/stat : 21470 (Spear-32) R 21468 21470 20124 0 -1 4194304 5033 0 0 0 5411 16 0 0 25 0 1 0 270924971 21159936 4919 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/21470/statm: 5166 4919 140 302 0 4861 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 20664

Child status: 10
Real time (s): 54.3046
CPU time (s): 54.2877
CPU user time (s): 54.1168
CPU system time (s): 0.170974
CPU usage (%): 99.969
Max. virtual memory (cumulated for all children) (KiB): 20664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.1168
system time used= 0.170974
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5062
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= 9
involuntary context switches= 93

runsolver used 0.06199 second user time and 0.138978 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Mon Feb 26 17:08:21 UTC 2007

IDJOB= 307937
IDBENCH= 20217
IDSOLVER= 132
FILE ID= node3/307937-1172509701

PBS_JOBID= 3971601

Free space on /tmp= 66556 MiB

SOLVER NAME= Spear FH 1.0
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v3500/unif2p-p0.7-v3500-c9345-S1909130260-19-SAT.cnf
COMMAND LINE= /tmp/evaluation/307937-1172509701/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs  /tmp/evaluation/307937-1172509701/instance-307937-1172509701.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-307937-1172509701 -o ROOT/results/node3/solver-307937-1172509701 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/307937-1172509701/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs  /tmp/evaluation/307937-1172509701/instance-307937-1172509701.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  34b5792021dd848a8af4ebefee6dfe73

RANDOM SEED= 135587992

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.241
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		: 3000.241
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:        823288 kB
Buffers:         67784 kB
Cached:        1028716 kB
SwapCached:          0 kB
Active:         459000 kB
Inactive:       692356 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        823288 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1712 kB
Writeback:           0 kB
Mapped:          73768 kB
Slab:            66908 kB
Committed_AS:  1148360 kB
PageTables:       1656 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= 66556 MiB

End job on node3 on Mon Feb 26 17:09:16 UTC 2007