Trace number 308963

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 2007-02-12SAT 353.579 353.712

General information on the benchmark

Namerandom/2+p/p0.7/v4500/
unif2p-p0.7-v4500-c12015-S1545977164-16-SAT.cnf
MD5SUMb9190392ee31463f8350d619e0fb9292
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark8.33773
Satisfiable
(Un)Satisfiability was proved
Number of variables4496
Number of clauses12014
Sum of the clauses size32438
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 23604
Number of clauses of size 38410
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/308963-1172531590/instance-308963-1172531590.cnf
353.53/353.69	s SATISFIABLE
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353.53/353.70	c runtime 353.61 [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/node9/watcher-308963-1172531590 -o ROOT/results/node9/solver-308963-1172531590 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/308963-1172531590/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/308963-1172531590/instance-308963-1172531590.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 1.00 1.00 3/77 16252
/proc/meminfo: memFree=1579640/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=1836 CPUtime=0
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 263 0 0 0 0 0 0 0 18 0 1 0 273113651 1880064 247 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134518170 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 459 247 126 302 0 154 0

[startup+0.1068 s]
/proc/loadavg: 0.99 1.00 1.00 3/77 16252
/proc/meminfo: memFree=1579640/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=2812 CPUtime=0.1
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 493 0 0 0 10 0 0 0 18 0 1 0 273113651 2879488 477 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 703 477 141 302 0 398 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2812

[startup+0.514878 s]
/proc/loadavg: 0.99 1.00 1.00 3/77 16252
/proc/meminfo: memFree=1579640/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=3324 CPUtime=0.5
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 599 0 0 0 50 0 0 0 21 0 1 0 273113651 3403776 583 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 831 583 141 302 0 526 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 3324

[startup+1.33504 s]
/proc/loadavg: 0.99 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1577264/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=3968 CPUtime=1.32
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 775 0 0 0 132 0 0 0 25 0 1 0 273113651 4063232 759 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 992 759 141 302 0 687 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 3968

[startup+2.97435 s]
/proc/loadavg: 0.99 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1576112/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=5260 CPUtime=2.96
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 1107 0 0 0 295 1 0 0 25 0 1 0 273113651 5386240 1091 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134526818 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 1315 1091 141 302 0 1010 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 5260

[startup+6.25099 s]
/proc/loadavg: 0.99 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1574000/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=7068 CPUtime=6.23
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 1543 0 0 0 621 2 0 0 25 0 1 0 273113651 7237632 1527 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 1767 1527 141 302 0 1462 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 7068

[startup+12.7092 s]
/proc/loadavg: 1.07 1.02 1.00 2/78 16253
/proc/meminfo: memFree=1570808/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=10148 CPUtime=12.7
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 2326 0 0 0 1266 4 0 0 25 0 1 0 273113651 10391552 2277 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 2537 2277 141 302 0 2232 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 10148

[startup+25.5137 s]
/proc/loadavg: 1.06 1.01 1.00 2/78 16253
/proc/meminfo: memFree=1566584/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=14512 CPUtime=25.49
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 3431 0 0 0 2542 7 0 0 25 0 1 0 273113651 14860288 3382 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 3628 3382 141 302 0 3323 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 14512

[startup+51.1276 s]
/proc/loadavg: 1.04 1.01 1.00 2/78 16253
/proc/meminfo: memFree=1558584/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=22560 CPUtime=51.1
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 5470 0 0 0 5095 15 0 0 25 0 1 0 273113651 23101440 5356 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 5640 5356 141 302 0 5335 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 22560

[startup+102.356 s]
/proc/loadavg: 1.01 1.01 1.00 2/78 16253
/proc/meminfo: memFree=1548088/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=33632 CPUtime=102.31
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 8203 0 0 0 10207 24 0 0 25 0 1 0 273113651 34439168 7960 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 8408 7960 141 302 0 8103 0
Current children cumulated CPU time (s) 102.31
Current children cumulated vsize (KiB) 33632

[startup+162.394 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1540024/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=41576 CPUtime=162.33
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 10168 0 0 0 16199 34 0 0 25 0 1 0 273113651 42573824 9925 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134526883 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 10394 9925 141 302 0 10089 0
Current children cumulated CPU time (s) 162.33
Current children cumulated vsize (KiB) 41576

[startup+222.429 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1531256/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=50660 CPUtime=222.34
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 12357 0 0 0 22192 42 0 0 25 0 1 0 273113651 51875840 12114 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134526984 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 12665 12114 141 302 0 12360 0
Current children cumulated CPU time (s) 222.34
Current children cumulated vsize (KiB) 50660

[startup+282.467 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1525176/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=57840 CPUtime=282.36
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 14145 0 0 0 28186 50 0 0 25 0 1 0 273113651 59228160 13645 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134526790 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 14460 13645 141 302 0 14155 0
Current children cumulated CPU time (s) 282.36
Current children cumulated vsize (KiB) 57840

[startup+342.503 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1518968/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=64056 CPUtime=342.37
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 15667 0 0 0 34179 58 0 0 25 0 1 0 273113651 65593344 15167 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134526671 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 16014 15167 141 302 0 15709 0
Current children cumulated CPU time (s) 342.37
Current children cumulated vsize (KiB) 64056

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

[startup+347.527 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1518456/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=64696 CPUtime=347.39
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 15807 0 0 0 34680 59 0 0 25 0 1 0 273113651 66248704 15307 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 16174 15307 141 302 0 15869 0
Current children cumulated CPU time (s) 347.39
Current children cumulated vsize (KiB) 64696

[startup+350.806 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1518072/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=64944 CPUtime=350.66
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 15884 0 0 0 35007 59 0 0 25 0 1 0 273113651 66502656 15384 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134526896 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 16236 15384 141 302 0 15931 0
Current children cumulated CPU time (s) 350.66
Current children cumulated vsize (KiB) 64944

[startup+352.443 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1517944/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=65196 CPUtime=352.3
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 15934 0 0 0 35170 60 0 0 25 0 1 0 273113651 66760704 15434 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 134526818 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 16299 15434 141 302 0 15994 0
Current children cumulated CPU time (s) 352.3
Current children cumulated vsize (KiB) 65196

[startup+353.267 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1517816/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=65196 CPUtime=353.13
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 15961 0 0 0 35253 60 0 0 25 0 1 0 273113651 66760704 15461 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 16299 15461 141 302 0 15994 0
Current children cumulated CPU time (s) 353.13
Current children cumulated vsize (KiB) 65196

[startup+353.675 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 16253
/proc/meminfo: memFree=1517816/2055920 swapFree=4192812/4192956
[pid=16252] ppid=16250 vsize=65320 CPUtime=353.53
/proc/16252/stat : 16252 (Spear-32) R 16250 16252 15825 0 -1 4194304 15973 0 0 0 35293 60 0 0 25 0 1 0 273113651 66887680 15473 18446744073709551615 134512640 135752790 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/16252/statm: 16330 15473 141 302 0 16025 0
Current children cumulated CPU time (s) 353.53
Current children cumulated vsize (KiB) 65320

Child status: 10
Real time (s): 353.712
CPU time (s): 353.579
CPU user time (s): 352.964
CPU system time (s): 0.614906
CPU usage (%): 99.9624
Max. virtual memory (cumulated for all children) (KiB): 65320

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 352.964
system time used= 0.614906
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16010
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= 497

runsolver used 0.333949 second user time and 0.928858 second system time

The end

Launcher Data (download as text)

Begin job on node9 on Mon Feb 26 23:13:10 UTC 2007

IDJOB= 308963
IDBENCH= 20246
IDSOLVER= 133
FILE ID= node9/308963-1172531590

PBS_JOBID= 3971625

Free space on /tmp= 66558 MiB

SOLVER NAME= Spear 2007-02-12
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v4500/unif2p-p0.7-v4500-c12015-S1545977164-16-SAT.cnf
COMMAND LINE= /tmp/evaluation/308963-1172531590/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/308963-1172531590/instance-308963-1172531590.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-308963-1172531590 -o ROOT/results/node9/solver-308963-1172531590 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/308963-1172531590/Spear-32 --model-stdout --time --dimacs /tmp/evaluation/308963-1172531590/instance-308963-1172531590.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  b9190392ee31463f8350d619e0fb9292

RANDOM SEED= 687903421

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node9.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		: 3000.263
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		: 3000.263
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:       1579984 kB
Buffers:         51132 kB
Cached:         300564 kB
SwapCached:          0 kB
Active:         245260 kB
Inactive:       161008 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1579984 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1752 kB
Writeback:           0 kB
Mapped:          73456 kB
Slab:            55316 kB
Committed_AS:  1198188 kB
PageTables:       1688 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= 66558 MiB

End job on node9 on Mon Feb 26 23:19:04 UTC 2007