Trace number 308264

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 FHS 1.0SAT 26.463 26.4751

General information on the benchmark

Namerandom/2+p/p0.7/v3500/
unif2p-p0.7-v3500-c9345-S1568322528-08-SAT.cnf
MD5SUMd0f9a30f8fda4c844dc97689f3035cdb
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.613906
Satisfiable
(Un)Satisfiability was proved
Number of variables3494
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/308264-1172518138/instance-308264-1172518138.cnf
26.41/26.47	s SATISFIABLE
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26.41/26.47	c runtime 26.46 [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/node66/watcher-308264-1172518138 -o ROOT/results/node66/solver-308264-1172518138 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/308264-1172518138/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/308264-1172518138/instance-308264-1172518138.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: 0.99 0.98 1.00 3/64 11113
/proc/meminfo: memFree=1934032/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=1548 CPUtime=0
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 221 0 0 0 0 0 0 0 18 0 1 0 271771305 1585152 205 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 134513442 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 387 205 126 302 0 82 0

[startup+0.107208 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 11113
/proc/meminfo: memFree=1934032/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=2732 CPUtime=0.09
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 519 0 0 0 9 0 0 0 18 0 1 0 271771305 2797568 503 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 683 503 145 302 0 378 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2732

[startup+0.515289 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 11113
/proc/meminfo: memFree=1934032/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=3244 CPUtime=0.51
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 638 0 0 0 50 1 0 0 21 0 1 0 271771305 3321856 622 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 811 622 145 302 0 506 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 3244

[startup+1.33545 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 11114
/proc/meminfo: memFree=1931400/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=4012 CPUtime=1.32
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 843 0 0 0 131 1 0 0 25 0 1 0 271771305 4108288 827 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 1003 827 145 302 0 698 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 4012

[startup+2.97178 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 11114
/proc/meminfo: memFree=1930504/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=5168 CPUtime=2.96
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 1110 0 0 0 294 2 0 0 25 0 1 0 271771305 5292032 1094 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 1292 1094 145 302 0 987 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 5168

[startup+6.25044 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 11114
/proc/meminfo: memFree=1928720/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=6712 CPUtime=6.24
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 1512 0 0 0 620 4 0 0 25 0 1 0 271771305 6873088 1496 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 1678 1496 145 302 0 1373 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 6712

[startup+12.7037 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 11114
/proc/meminfo: memFree=1926288/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=9040 CPUtime=12.69
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 2097 0 0 0 1263 6 0 0 25 0 1 0 271771305 9256960 2048 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 2260 2048 145 302 0 1955 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 9040

[startup+25.5063 s]
/proc/loadavg: 1.06 1.00 1.00 2/65 11114
/proc/meminfo: memFree=1923216/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=12264 CPUtime=25.48
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 2899 0 0 0 2539 9 0 0 25 0 1 0 271771305 12558336 2850 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 3066 2850 145 302 0 2761 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 12264

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

[startup+26.2255 s]
/proc/loadavg: 1.06 1.00 1.00 2/65 11114
/proc/meminfo: memFree=1922896/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=12392 CPUtime=26.21
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 2944 0 0 0 2611 10 0 0 25 0 1 0 271771305 12689408 2895 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 3098 2895 145 302 0 2793 0
Current children cumulated CPU time (s) 26.21
Current children cumulated vsize (KiB) 12392

[startup+26.4295 s]
/proc/loadavg: 1.06 1.00 1.00 2/65 11114
/proc/meminfo: memFree=1922896/2055920 swapFree=4179812/4192956
[pid=11113] ppid=11111 vsize=12520 CPUtime=26.41
/proc/11113/stat : 11113 (Spear-32) R 11111 11113 10679 0 -1 4194304 2957 0 0 0 2631 10 0 0 25 0 1 0 271771305 12820480 2908 18446744073709551615 134512640 135752790 4294956640 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/11113/statm: 3130 2908 145 302 0 2825 0
Current children cumulated CPU time (s) 26.41
Current children cumulated vsize (KiB) 12520

Child status: 10
Real time (s): 26.4751
CPU time (s): 26.463
CPU user time (s): 26.359
CPU system time (s): 0.103984
CPU usage (%): 99.9544
Max. virtual memory (cumulated for all children) (KiB): 12520

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.359
system time used= 0.103984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2992
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= 8
involuntary context switches= 23

runsolver used 0.019996 second user time and 0.06099 second system time

The end

Launcher Data (download as text)

Begin job on node66 on Mon Feb 26 19:28:58 UTC 2007

IDJOB= 308264
IDBENCH= 20226
IDSOLVER= 131
FILE ID= node66/308264-1172518138

PBS_JOBID= 3971780

Free space on /tmp= 66561 MiB

SOLVER NAME= Spear FHS 1.0
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v3500/unif2p-p0.7-v3500-c9345-S1568322528-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/308264-1172518138/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/308264-1172518138/instance-308264-1172518138.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node66/watcher-308264-1172518138 -o ROOT/results/node66/solver-308264-1172518138 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/308264-1172518138/Spear-32 --model-stdout --time --spset-autotuned-fh_1_1 --dimacs /tmp/evaluation/308264-1172518138/instance-308264-1172518138.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  d0f9a30f8fda4c844dc97689f3035cdb

RANDOM SEED= 771613219

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node66.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		: 3000.259
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	: 5931.00
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		: 3000.259
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:       1934376 kB
Buffers:         20436 kB
Cached:          59640 kB
SwapCached:       7236 kB
Active:          31436 kB
Inactive:        61768 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1934376 kB
SwapTotal:     4192956 kB
SwapFree:      4179812 kB
Dirty:            1852 kB
Writeback:           0 kB
Mapped:          15268 kB
Slab:            14336 kB
Committed_AS:   654672 kB
PageTables:       1376 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= 66561 MiB

End job on node66 on Mon Feb 26 19:29:24 UTC 2007