Trace number 3171844

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
UmSat 2011-02-25UNSAT 2.25866 2.26403

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v50-c1065-S505037856-056.UNKNOWN.cnf
MD5SUM69b47b18aa8daf76b06e630878962b33
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.144977
Satisfiable
(Un)Satisfiability was proved
Number of variables50
Number of clauses1065
Sum of the clauses size5325
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 51065
Number of clauses of size over 50

Solver Data 

2.20/2.26	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver Copyright (C) 2010 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 893)

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-3171844-1301769396/watcher-3171844-1301769396 -o /tmp/evaluation-result-3171844-1301769396/solver-3171844-1301769396 -C 2400 -W 1300 -M 7680 umsat HOME/instance-3171844-1301769396.cnf 

running on 2 cores: 4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 5.08 7.27 7.74 6/178 18699
/proc/meminfo: memFree=22001232/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=11564 CPUtime=0 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4194304 220 0 0 0 0 0 0 0 23 0 1 0 269355443 11841536 169 33554432000 4194304 4263880 140733916686272 18446744073709551615 233505334760 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 2891 169 144 17 0 51 0

[startup+0.0955061 s]
/proc/loadavg: 5.08 7.27 7.74 6/178 18699
/proc/meminfo: memFree=22001232/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=12040 CPUtime=0.09 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 465 0 0 0 9 0 0 0 23 0 1 0 269355443 12328960 402 33554432000 4194304 4263880 140733916686272 18446744073709551615 4207691 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3010 402 247 17 0 183 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12040

[startup+0.100507 s]
/proc/loadavg: 5.08 7.27 7.74 6/178 18699
/proc/meminfo: memFree=22001232/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=12040 CPUtime=0.09 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 465 0 0 0 9 0 0 0 23 0 1 0 269355443 12328960 402 33554432000 4194304 4263880 140733916686272 18446744073709551615 4205632 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3010 402 247 17 0 183 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12040

[startup+0.300471 s]
/proc/loadavg: 5.08 7.27 7.74 6/178 18699
/proc/meminfo: memFree=22001232/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=12304 CPUtime=0.29 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 531 0 0 0 29 0 0 0 25 0 1 0 269355443 12599296 468 33554432000 4194304 4263880 140733916686272 18446744073709551615 4215104 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3076 468 247 17 0 249 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12304

[startup+0.700399 s]
/proc/loadavg: 5.08 7.27 7.74 6/178 18699
/proc/meminfo: memFree=22001232/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=12660 CPUtime=0.69 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 607 0 0 0 69 0 0 0 25 0 1 0 269355443 12963840 544 33554432000 4194304 4263880 140733916686272 18446744073709551615 4207616 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3165 544 247 17 0 338 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12660

[startup+1.50029 s]
/proc/loadavg: 5.08 7.27 7.74 6/190 18711
/proc/meminfo: memFree=21987408/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=12984 CPUtime=1.49 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 704 0 0 0 149 0 0 0 25 0 1 0 269355443 13295616 641 33554432000 4194304 4263880 140733916686272 18446744073709551615 4207691 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3246 641 247 17 0 419 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12984

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

[startup+1.90022 s]
/proc/loadavg: 5.08 7.27 7.74 6/190 18711
/proc/meminfo: memFree=21987408/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=13092 CPUtime=1.89 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 731 0 0 0 189 0 0 0 25 0 1 0 269355443 13406208 668 33554432000 4194304 4263880 140733916686272 18446744073709551615 233509957029 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3273 668 247 17 0 446 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 13092

[startup+2.10017 s]
/proc/loadavg: 5.08 7.27 7.74 6/190 18711
/proc/meminfo: memFree=21981332/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=13200 CPUtime=2.1 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 743 0 0 0 210 0 0 0 25 0 1 0 269355443 13516800 680 33554432000 4194304 4263880 140733916686272 18446744073709551615 4205697 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3300 680 247 17 0 473 0
Current children cumulated CPU time (s) 2.1
Current children cumulated vsize (KiB) 13200

[startup+2.20615 s]
/proc/loadavg: 5.08 7.27 7.74 6/190 18711
/proc/meminfo: memFree=21981332/32951124 swapFree=67111528/67111528
[pid=18699] ppid=18697 vsize=13200 CPUtime=2.2 cores=4,6
/proc/18699/stat : 18699 (umsat) R 18697 18699 18650 0 -1 4202496 747 0 0 0 220 0 0 0 25 0 1 0 269355443 13516800 684 33554432000 4194304 4263880 140733916686272 18446744073709551615 4215123 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/18699/statm: 3300 684 247 17 0 473 0
Current children cumulated CPU time (s) 2.2
Current children cumulated vsize (KiB) 13200

Child status: 0
Real time (s): 2.26403
CPU time (s): 2.25866
CPU user time (s): 2.25866
CPU system time (s): 0
CPU usage (%): 99.7625
Max. virtual memory (cumulated for all children) (KiB): 13200

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.25866
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 755
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= 14
involuntary context switches= 2

runsolver used 0.005999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node145 at 2011-04-02 20:36:36
IDJOB=3171844
IDBENCH=83062
IDSOLVER=1582
FILE ID=node145/3171844-1301769396
RUNJOBID= node145-1301769396-18669
PBS_JOBID= 12841169
Free space on /tmp= 72360 MiB

SOLVER NAME= UmSat 2011-02-25
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v50-c1065-S505037856-056.UNKNOWN.cnf
COMMAND LINE= umsat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3171844-1301769396/watcher-3171844-1301769396 -o /tmp/evaluation-result-3171844-1301769396/solver-3171844-1301769396 -C 2400 -W 1300 -M 7680  umsat HOME/instance-3171844-1301769396.cnf

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 69b47b18aa8daf76b06e630878962b33
RANDOM SEED=1364977605

node145.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		: 2666.786
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	: 5333.57
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		: 2666.786
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	: 5332.76
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		: 2666.786
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	: 5332.74
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		: 2666.786
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	: 5332.83
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		: 2666.786
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	: 5332.82
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		: 2666.786
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		: 2666.786
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	: 5332.84
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		: 2666.786
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	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      22001496 kB
Buffers:        361048 kB
Cached:       10267676 kB
SwapCached:          0 kB
Active:        6833740 kB
Inactive:      3857120 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      22001496 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            9384 kB
Writeback:           0 kB
AnonPages:       61684 kB
Mapped:          14716 kB
Slab:           192484 kB
PageTables:       5376 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   194228 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= 72352 MiB
End job on node145 at 2011-04-02 20:36:38