Trace number 3427329

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
sattime 2011-03-02SAT 0.413936 0.414535

General information on the benchmark

NameSAT05/crafted/sorge05/QG8/
iso-ukn009.shuffled-as.sat05-3632.cnf
MD5SUM4502d767c38bfe3825eec510915dae05
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.020995
Satisfiable
(Un)Satisfiability was proved
Number of variables1584
Number of clauses16587
Sum of the clauses size75691
Maximum clause length22
Minimum clause length1
Number of clauses of size 1143
Number of clauses of size 22152
Number of clauses of size 310834
Number of clauses of size 4110
Number of clauses of size 5140
Number of clauses of size over 53208

Solver Data 

0.39/0.41	c 1713 clauses are redundant and removed
0.39/0.41	c 470 vars are fixed and 11322 clauses are removed after unit propagation
0.39/0.41	c 518 vars are fixed and 12674 clauses are removed after lookahead
0.39/0.41	c initial seed is 1245342574
0.39/0.41	c try=1 flip j=20595 walk=17322 seed 1245342591
0.39/0.41	c A solution is found
0.39/0.41	s SATISFIABLE
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-1472 1473 1474 -1475 -1476 1477 1478 -1479 1480 -1481 -1482 1483 -1484 -1485 -1486 1487 -1488 -1489 1490 -1491 1492 1493 -1494 1495 1496 -1497 -1498 1499 -1500 1501 -1502 -1503 1504 1505 1506 -1507 1508 -1509 1510 -1511 -1512 -1513 -1514 1515 -1516 -1517 1518 -1519 1520 1521 -1522 1523 1524 -1525 1526 1527 1528 1529 1530 1531 -1532 1533 1534 -1535 -1536 1537 1538 -1539 -1540 -1541 -1542 -1543 -1544 -1545 -1546 -1547 1548 1549 1550 1551 -1552 -1553 -1554 -1555 1556 1557 -1558 -1559 1560 1561 1562 1563 -1564 -1565 1566 -1567 -1568 -1569 -1570 1571 1572 -1573 -1574 1575 1576 -1577 -1578 1579 1580 -1581 -1582 -1583 1584 
0.39/0.41	v 0 
0.39/0.41	c Done (mycputime is 0 seconds)

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3427329-1306777556/watcher-3427329-1306777556 -o /tmp/evaluation-result-3427329-1306777556/solver-3427329-1306777556 -C 5000 -W 5100 -M 15500 sattime HOME/instance-3427329-1306777556.cnf 1245342574 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 1.06 1.41 3/511 17420
/proc/meminfo: memFree=4440792/32950928 swapFree=61526956/67111528
[pid=17420] ppid=17418 vsize=990536 CPUtime=0.01 cores=1,3,5,7
/proc/17420/stat : 17420 (sattime) R 17418 17420 16637 0 -1 4194304 344 0 0 0 1 0 0 0 18 0 1 0 867986300 1014308864 289 33554432000 4194304 4228548 140736290809776 18446744073709551615 256415391488 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17420/statm: 247634 289 101 9 0 244791 0

[startup+0.0499699 s]
/proc/loadavg: 0.92 1.06 1.41 3/511 17420
/proc/meminfo: memFree=4440792/32950928 swapFree=61526956/67111528
[pid=17420] ppid=17418 vsize=992248 CPUtime=0.04 cores=1,3,5,7
/proc/17420/stat : 17420 (sattime) R 17418 17420 16637 0 -1 4202496 859 0 0 0 4 0 0 0 18 0 1 0 867986300 1016061952 803 33554432000 4194304 4228548 140736290809776 18446744073709551615 4207087 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17420/statm: 248062 803 104 9 0 245219 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 992248

[startup+0.100961 s]
/proc/loadavg: 0.92 1.06 1.41 3/511 17420
/proc/meminfo: memFree=4440792/32950928 swapFree=61526956/67111528
[pid=17420] ppid=17418 vsize=992248 CPUtime=0.09 cores=1,3,5,7
/proc/17420/stat : 17420 (sattime) R 17418 17420 16637 0 -1 4202496 859 0 0 0 9 0 0 0 18 0 1 0 867986300 1016061952 803 33554432000 4194304 4228548 140736290809776 18446744073709551615 4207124 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17420/statm: 248062 803 104 9 0 245219 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 992248

[startup+0.300921 s]
/proc/loadavg: 0.92 1.06 1.41 3/511 17420
/proc/meminfo: memFree=4440792/32950928 swapFree=61526956/67111528
[pid=17420] ppid=17418 vsize=992248 CPUtime=0.29 cores=1,3,5,7
/proc/17420/stat : 17420 (sattime) R 17418 17420 16637 0 -1 4202496 860 0 0 0 29 0 0 0 18 0 1 0 867986300 1016061952 804 33554432000 4194304 4228548 140736290809776 18446744073709551615 4207199 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17420/statm: 248062 804 104 9 0 245219 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 992248

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

[startup+0.400904 s]
/proc/loadavg: 0.92 1.06 1.41 3/511 17420
/proc/meminfo: memFree=4440792/32950928 swapFree=61526956/67111528
[pid=17420] ppid=17418 vsize=992648 CPUtime=0.39 cores=1,3,5,7
/proc/17420/stat : 17420 (sattime) R 17418 17420 16637 0 -1 4202496 1061 0 0 0 39 0 0 0 18 0 1 0 867986300 1016471552 999 33554432000 4194304 4228548 140736290809776 18446744073709551615 4217421 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17420/statm: 248162 999 116 9 0 245319 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 992648

Child status: 10
Real time (s): 0.414535
CPU time (s): 0.413936
CPU user time (s): 0.410937
CPU system time (s): 0.002999
CPU usage (%): 99.8555
Max. virtual memory (cumulated for all children) (KiB): 992648

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.410937
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1065
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= 1

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node115 at 2011-05-30 19:45:56
IDJOB=3427329
IDBENCH=85914
IDSOLVER=1923
FILE ID=node115/3427329-1306777556
RUNJOBID= node115-1306777556-17406
PBS_JOBID= 13475009
Free space on /tmp= 56988 MiB

SOLVER NAME= sattime 2011-03-02
BENCH NAME= SAT05/crafted/sorge05/QG8/iso-ukn009.shuffled-as.sat05-3632.cnf
COMMAND LINE= sattime BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3427329-1306777556/watcher-3427329-1306777556 -o /tmp/evaluation-result-3427329-1306777556/solver-3427329-1306777556 -C 5000 -W 5100 -M 15500  sattime HOME/instance-3427329-1306777556.cnf 1245342574

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 4502d767c38bfe3825eec510915dae05
RANDOM SEED=1245342574

node115.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.62
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.15
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:       4442436 kB
Buffers:        106892 kB
Cached:       15865344 kB
SwapCached:       9644 kB
Active:       17161704 kB
Inactive:     10699872 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:       4442436 kB
SwapTotal:    67111528 kB
SwapFree:     61526956 kB
Dirty:           10112 kB
Writeback:           0 kB
AnonPages:    11882704 kB
Mapped:          33148 kB
Slab:           501544 kB
PageTables:      75764 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 151809012 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 56972 MiB
End job on node115 at 2011-05-30 19:45:57