Trace number 3153628

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
sattime2011 2011-03-02SAT 13.229 13.2294

General information on the benchmark

Namerandom/medium/
unif-k7-r89-v90-c8010-S661190852-039.SATISFIABLE.cnf
MD5SUMae2c6ab9f054a239f861b972b7e9a79b
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.386941
Satisfiable
(Un)Satisfiability was proved
Number of variables90
Number of clauses8010
Sum of the clauses size56070
Maximum clause length7
Minimum clause length7
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 50
Number of clauses of size over 58010

Solver Data 

13.20/13.22	c 0 clauses are redundant and removed
13.20/13.22	c 0 vars are fixed and 0 clauses are removed after unit propagation
13.20/13.22	c 0 vars are fixed and 0 clauses are removed after lookahead
13.20/13.22	c initial seed is 698480246
13.20/13.22	c try=1 flip j=2672336 walk=1764224 seed 698480263
13.20/13.22	c A solution is found
13.20/13.22	s SATISFIABLE
13.20/13.22	v -1 2 -3 4 5 -6 7 8 -9 10 -11 12 -13 14 15 16 -17 18 19 20 21 22 -23 24 -25 26 27 -28 -29 30 31 32 33 34 35 36 -37 -38 39 40 41 42 43 -44 -45 46 -47 -48 49 -50 51 52 -53 -54 -55 -56 57 58 -59 -60 -61 62 -63 64 65 -66 67 68 -69 -70 71 72 73 74 -75 -76 -77 -78 -79 80 -81 -82 83 84 -85 -86 -87 -88 89 -90 
13.20/13.22	v 0 
13.20/13.22	c Done (mycputime is 13 seconds)

Verifier Data 

OK

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-3153628-1301680757/watcher-3153628-1301680757 -o /tmp/evaluation-result-3153628-1301680757/solver-3153628-1301680757 -C 2400 -W 1300 -M 7680 sattime2011 HOME/instance-3153628-1301680757.cnf 698476789 

running on 2 cores: 1,3

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: 4.01 4.01 3.74 4/187 2358
/proc/meminfo: memFree=21873860/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1185584 CPUtime=0 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4194304 231 0 0 0 0 0 0 0 25 0 1 0 279675504 1214038016 174 33554432000 4194304 4230460 140734394833248 18446744073709551615 248089359045 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296396 174 100 9 0 293553 0

[startup+0.00957502 s]
/proc/loadavg: 4.01 4.01 3.74 4/187 2358
/proc/meminfo: memFree=21873860/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1185716 CPUtime=0 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4194304 310 0 0 0 0 0 0 0 25 0 1 0 279675504 1214173184 253 33554432000 4194304 4230460 140734394833248 18446744073709551615 248089229243 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296429 253 100 9 0 293586 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 1185716

[startup+0.100559 s]
/proc/loadavg: 4.01 4.01 3.74 4/187 2358
/proc/meminfo: memFree=21873860/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1186768 CPUtime=0.09 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 601 0 0 0 9 0 0 0 25 0 1 0 279675504 1215250432 543 33554432000 4194304 4230460 140734394833248 18446744073709551615 4207725 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296692 543 103 9 0 293849 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1186768

[startup+0.300523 s]
/proc/loadavg: 4.01 4.01 3.74 4/187 2358
/proc/meminfo: memFree=21873860/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1186768 CPUtime=0.29 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 601 0 0 0 29 0 0 0 25 0 1 0 279675504 1215250432 543 33554432000 4194304 4230460 140734394833248 18446744073709551615 4207761 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296692 543 103 9 0 293849 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1186768

[startup+0.700518 s]
/proc/loadavg: 4.01 4.01 3.74 4/187 2358
/proc/meminfo: memFree=21873860/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1186768 CPUtime=0.69 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 601 0 0 0 69 0 0 0 25 0 1 0 279675504 1215250432 543 33554432000 4194304 4230460 140734394833248 18446744073709551615 4207853 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296692 543 103 9 0 293849 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1186768

[startup+1.50031 s]
/proc/loadavg: 3.93 3.99 3.73 5/190 2387
/proc/meminfo: memFree=21872100/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1187300 CPUtime=1.49 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 819 0 0 0 149 0 0 0 25 0 1 0 279675504 1215795200 760 33554432000 4194304 4230460 140734394833248 18446744073709551615 4220253 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296825 760 117 9 0 293982 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1187300

[startup+3.10103 s]
/proc/loadavg: 3.93 3.99 3.73 5/190 2387
/proc/meminfo: memFree=21870736/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1187300 CPUtime=3.1 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 819 0 0 0 310 0 0 0 25 0 1 0 279675504 1215795200 760 33554432000 4194304 4230460 140734394833248 18446744073709551615 4220424 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296825 760 117 9 0 293982 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 1187300

[startup+6.30046 s]
/proc/loadavg: 3.93 3.99 3.73 5/190 2387
/proc/meminfo: memFree=21870856/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1187300 CPUtime=6.3 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 819 0 0 0 630 0 0 0 25 0 1 0 279675504 1215795200 760 33554432000 4194304 4230460 140734394833248 18446744073709551615 4220168 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296825 760 117 9 0 293982 0
Current children cumulated CPU time (s) 6.3
Current children cumulated vsize (KiB) 1187300

[startup+12.7003 s]
/proc/loadavg: 3.94 3.99 3.73 5/190 2388
/proc/meminfo: memFree=21870376/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1187300 CPUtime=12.7 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 819 0 0 0 1270 0 0 0 25 0 1 0 279675504 1215795200 760 33554432000 4194304 4230460 140734394833248 18446744073709551615 4219940 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296825 760 117 9 0 293982 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 1187300

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

[startup+13.1003 s]
/proc/loadavg: 3.94 3.99 3.73 5/190 2388
/proc/meminfo: memFree=21870508/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1187300 CPUtime=13.1 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 819 0 0 0 1310 0 0 0 25 0 1 0 279675504 1215795200 760 33554432000 4194304 4230460 140734394833248 18446744073709551615 4223884 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296825 760 117 9 0 293982 0
Current children cumulated CPU time (s) 13.1
Current children cumulated vsize (KiB) 1187300

[startup+13.2062 s]
/proc/loadavg: 3.94 3.99 3.73 5/190 2388
/proc/meminfo: memFree=21870508/32950928 swapFree=67111528/67111528
[pid=2358] ppid=2356 vsize=1187300 CPUtime=13.2 cores=1,3
/proc/2358/stat : 2358 (sattime2011) R 2356 2358 1807 0 -1 4202496 819 0 0 0 1320 0 0 0 25 0 1 0 279675504 1215795200 760 33554432000 4194304 4230460 140734394833248 18446744073709551615 4220181 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/2358/statm: 296825 760 117 9 0 293982 0
Current children cumulated CPU time (s) 13.2
Current children cumulated vsize (KiB) 1187300

Child status: 10
Real time (s): 13.2294
CPU time (s): 13.229
CPU user time (s): 13.228
CPU system time (s): 0.000999
CPU usage (%): 99.9965
Max. virtual memory (cumulated for all children) (KiB): 1187300

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.228
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 823
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= 33

runsolver used 0.026995 second user time and 0.039993 second system time

The end

Launcher Data 

Begin job on node123 at 2011-04-01 19:59:17
IDJOB=3153628
IDBENCH=82735
IDSOLVER=1563
FILE ID=node123/3153628-1301680757
RUNJOBID= node123-1301678150-1828
PBS_JOBID= 12840574
Free space on /tmp= 71688 MiB

SOLVER NAME= sattime2011 2011-03-02
BENCH NAME= SAT11/random/medium/unif-k7-r89-v90-c8010-S661190852-039.SATISFIABLE.cnf
COMMAND LINE= sattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3153628-1301680757/watcher-3153628-1301680757 -o /tmp/evaluation-result-3153628-1301680757/solver-3153628-1301680757 -C 2400 -W 1300 -M 7680  sattime2011 HOME/instance-3153628-1301680757.cnf 698476789

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

MD5SUM BENCH= ae2c6ab9f054a239f861b972b7e9a79b
RANDOM SEED=698476789

node123.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		: 2666.838
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	: 5333.67
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		: 2666.838
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		: 2666.838
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		: 2666.838
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	: 5332.82
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		: 2666.838
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	: 5332.74
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		: 2666.838
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	: 5332.80
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		: 2666.838
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	: 5332.74
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		: 2666.838
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      21874140 kB
Buffers:        328792 kB
Cached:       10410088 kB
SwapCached:          0 kB
Active:        7262144 kB
Inactive:      3561092 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      21874140 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            8188 kB
Writeback:           0 kB
AnonPages:       84244 kB
Mapped:          15292 kB
Slab:           189696 kB
PageTables:       5512 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:  2637804 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= 71680 MiB
End job on node123 at 2011-04-01 19:59:30