Trace number 312373

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
TiniSatELite 2007-02-08SAT 9.36158 9.37101

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1939769766-11-SAT.cnf
MD5SUM6a3b3e57d22696582c0456812681e53c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.060989
Satisfiable
(Un)Satisfiability was proved
Number of variables1664
Number of clauses5177
Sum of the clauses size14496
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21035
Number of clauses of size 34142
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 Parsing...
0.00/0.01	c ==============================================================================
0.00/0.01	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.01	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.01	c ==============================================================================
0.00/0.01	c |         0 |    5177    14496 |    1553       0        0     nan |  0.000 % |
0.00/0.03	c |         0 |    4932    14746 |      --       0       --      -- |     --   | -245/250
0.00/0.03	c ==============================================================================
0.00/0.03	c Result  :   #vars: 1441   #clauses: 4932   #literals: 14746
0.00/0.03	c CPU time:   0.023996 s
0.00/0.03	c ==============================================================================
0.00/0.04	c Tinisat 0.22
0.00/0.04	c solving /tmp/GTI_node20.alineos.net_13620.cnf
0.00/0.04	c 1441 variables, 4932 clauses
9.30/9.35	c 49492 decisions, 35087 conflicts, 30 restarts
9.30/9.35	c solved in 9.32s
9.30/9.36	s SATISFIABLE
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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/node20/watcher-312373-1172587467 -o ROOT/results/node20/solver-312373-1172587467 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/312373-1172587467/TiniSatELite /tmp/evaluation/312373-1172587467/instance-312373-1172587467.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: 0.00 0.06 0.33 3/77 13620
/proc/meminfo: memFree=1776984/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 274 0 0 0 0 0 0 0 18 0 1 0 278734553 5480448 232 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952768082 0 0 4100 65536 18446744071563648864 0 0 17 1 0 0
/proc/13620/statm: 1338 232 195 169 0 49 0
[pid=13621] ppid=13620 vsize=5352 CPUtime=0
/proc/13621/stat : 13621 (TiniSatELite) S 13620 13620 13223 0 -1 4194368 52 25 0 0 0 0 0 0 20 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4096 65538 18446744071563356171 0 0 17 1 0 0
/proc/13621/statm: 1338 236 198 169 0 49 0
[pid=13623] ppid=13621 vsize=0 CPUtime=0
/proc/13623/stat : 13623 (sed) D 13621 13620 13223 0 -1 4194308 163 0 0 0 0 0 0 0 21 0 1 0 278734553 0 0 18446744073709551615 0 0 0 0 0 0 2147483391 4096 0 18446744072099781622 0 0 17 1 0 0
/proc/13623/statm: 0 0 0 0 0 0 0

[startup+0.107969 s]
/proc/loadavg: 0.00 0.06 0.33 3/77 13620
/proc/meminfo: memFree=1776984/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5352

[startup+0.516015 s]
/proc/loadavg: 0.00 0.06 0.33 3/77 13620
/proc/meminfo: memFree=1776984/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5352

[startup+1.33711 s]
/proc/loadavg: 0.00 0.06 0.33 2/79 13626
/proc/meminfo: memFree=1774728/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=3604 CPUtime=1.29
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 586 0 0 0 129 0 0 0 25 0 1 0 278734557 3690496 571 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134519921 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 901 571 52 110 0 788 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 8956

[startup+2.98431 s]
/proc/loadavg: 0.00 0.06 0.33 2/79 13626
/proc/meminfo: memFree=1773576/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=6328 CPUtime=2.94
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 928 0 0 0 294 0 0 0 25 0 1 0 278734557 6479872 913 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134515506 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 1582 913 52 110 0 1469 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 11680

[startup+6.26171 s]
/proc/loadavg: 0.08 0.07 0.33 2/79 13626
/proc/meminfo: memFree=1771592/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=6592 CPUtime=6.21
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 1371 0 0 0 621 0 0 0 25 0 1 0 278734557 6750208 1356 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134519582 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 1648 1356 52 110 0 1535 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 11944

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

[startup+6.56875 s]
/proc/loadavg: 0.08 0.07 0.33 2/79 13626
/proc/meminfo: memFree=1771592/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=6592 CPUtime=6.51
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 1405 0 0 0 651 0 0 0 25 0 1 0 278734557 6750208 1390 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134519972 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 1648 1390 52 110 0 1535 0
Current children cumulated CPU time (s) 6.53
Current children cumulated vsize (KiB) 11944

[startup+8.20895 s]
/proc/loadavg: 0.15 0.09 0.33 2/79 13626
/proc/meminfo: memFree=1770504/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=11644 CPUtime=8.16
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 1606 0 0 0 815 1 0 0 25 0 1 0 278734557 11923456 1591 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134519858 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 2911 1591 52 110 0 2798 0
Current children cumulated CPU time (s) 8.18
Current children cumulated vsize (KiB) 16996

[startup+9.02504 s]
/proc/loadavg: 0.15 0.09 0.33 2/79 13626
/proc/meminfo: memFree=1769928/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=11772 CPUtime=8.98
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 1745 0 0 0 897 1 0 0 25 0 1 0 278734557 12054528 1697 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134612771 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 2943 1697 52 110 0 2830 0
Current children cumulated CPU time (s) 9
Current children cumulated vsize (KiB) 17124

[startup+9.23307 s]
/proc/loadavg: 0.15 0.09 0.33 2/79 13626
/proc/meminfo: memFree=1769928/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=11772 CPUtime=9.18
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 1773 0 0 0 917 1 0 0 25 0 1 0 278734557 12054528 1725 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134519932 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 2943 1725 52 110 0 2830 0
Current children cumulated CPU time (s) 9.2
Current children cumulated vsize (KiB) 17124

[startup+9.33508 s]
/proc/loadavg: 0.15 0.09 0.33 2/79 13626
/proc/meminfo: memFree=1769928/2055920 swapFree=4111204/4192956
[pid=13620] ppid=13618 vsize=5352 CPUtime=0.02
/proc/13620/stat : 13620 (TiniSatELite) S 13618 13620 13223 0 -1 4194304 331 555 0 0 0 0 2 0 16 0 1 0 278734553 5480448 236 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 273952596804 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/13620/statm: 1338 236 197 169 0 49 0
[pid=13626] ppid=13620 vsize=11772 CPUtime=9.28
/proc/13626/stat : 13626 (tinisat) R 13620 13620 13223 0 -1 4194304 1788 0 0 0 927 1 0 0 25 0 1 0 278734557 12054528 1740 18446744073709551615 134512640 134966189 4294956736 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/13626/statm: 2943 1740 52 110 0 2830 0
Current children cumulated CPU time (s) 9.3
Current children cumulated vsize (KiB) 17124

Child status: 10
Real time (s): 9.37101
CPU time (s): 9.36158
CPU user time (s): 9.33958
CPU system time (s): 0.021996
CPU usage (%): 99.8993
Max. virtual memory (cumulated for all children) (KiB): 17124

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.33958
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3004
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= 51
involuntary context switches= 213

runsolver used 0.015997 second user time and 0.025996 second system time

The end

Launcher Data (download as text)

Begin job on node20 on Tue Feb 27 14:48:05 UTC 2007

IDJOB= 312373
IDBENCH= 20340
IDSOLVER= 99
FILE ID= node20/312373-1172587467

PBS_JOBID= 3971928

Free space on /tmp= 66560 MiB

SOLVER NAME= TiniSatELite 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1939769766-11-SAT.cnf
COMMAND LINE= /tmp/evaluation/312373-1172587467/TiniSatELite /tmp/evaluation/312373-1172587467/instance-312373-1172587467.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-312373-1172587467 -o ROOT/results/node20/solver-312373-1172587467 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/312373-1172587467/TiniSatELite /tmp/evaluation/312373-1172587467/instance-312373-1172587467.cnf            

META MD5SUM SOLVER= 388ad77fe8f3a9a6ad5bf764ada795dd
MD5SUM BENCH=  6a3b3e57d22696582c0456812681e53c

RANDOM SEED= 803295562

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node20.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		: 3000.234
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		: 3000.234
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:       1777504 kB
Buffers:         38080 kB
Cached:         138908 kB
SwapCached:      48228 kB
Active:         131748 kB
Inactive:       107248 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1777504 kB
SwapTotal:     4192956 kB
SwapFree:      4111204 kB
Dirty:            1220 kB
Writeback:           0 kB
Mapped:          32204 kB
Slab:            25128 kB
Committed_AS:   653268 kB
PageTables:       1704 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= 66560 MiB

End job on node20 on Tue Feb 27 14:51:59 UTC 2007