Trace number 3501216

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
PicoGCNF 941UNSAT 9.30258 9.74865

General information on the benchmark

Namegmus/nadel/
edn_25208_6.cnf_0.20000000.unsat.gcnf
MD5SUMabd4989e8a82bcd6da6a997d7de50cd4
Bench CategoryGMUS (GMUS)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.05269
Satisfiable
(Un)Satisfiability was proved
Number of variables328645
Number of clauses951813
Sum of the clauses size2209031
Maximum clause length3
Minimum clause length1
Number of clauses of size 11643
Number of clauses of size 2643122
Number of clauses of size 3307048
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50
Number of groups3417
Number of clauses in the kernel (group 0)924840
Least number of clauses in a group (except group 0) 1
Greatest number of clauses in a group (except group 0) 10

Solver Data 

1.49/1.76	c [picogcnf] 1.56 seconds: first call to SAT solver returned
1.49/1.76	s UNSATISFIABLE
1.49/1.76	c [picogcnf] 1.56 seconds: <1> reduction to 19 out of 3417 (1%)
9.19/9.46	v 1122 1129 1136 1143 1150 1157 1164 1171 1178 1185 1192 1199 1206 1213 1220 1227 1234 1241 2803 0
9.19/9.46	c [picogcnf] 9.27 seconds: max memory 47.5 MB
9.29/9.50	c [picogcnf] 9.30 seconds: 1 reductions

Verifier Data 

OK	19

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

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-3501216-1308041934/watcher-3501216-1308041934 -o /tmp/evaluation-result-3501216-1308041934/solver-3501216-1308041934 -C 1800 -W 1850 -M 7680 picogcnf HOME/instance-3501216-1308041934.gcnf 

running on 2 cores: 0,2

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1850 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: 6.64 4.44 1.90 2/181 15335
/proc/meminfo: memFree=32051740/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=11804 CPUtime=0 cores=0,2
/proc/15335/stat : 15335 (runsolver) S 15333 15335 15283 0 -1 4202560 41 0 0 0 0 0 0 0 16 0 1 0 994424948 12087296 50 33554432000 4194304 5436572 140737028595456 18446744073709551615 4883175 0 2147483391 4096 24578 18446744071699968823 0 0 17 2 0 0 0
/proc/15335/statm: 2951 50 31 304 0 2643 0

[startup+0.0416549 s]
/proc/loadavg: 6.64 4.44 1.90 2/181 15335
/proc/meminfo: memFree=32051740/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=11804 CPUtime=0 cores=0,2
/proc/15335/stat : 15335 (runsolver) S 15333 15335 15283 0 -1 4202560 41 0 0 0 0 0 0 0 16 0 1 0 994424948 12087296 50 33554432000 4194304 5436572 140737028595456 18446744073709551615 4883175 0 2147483391 4096 24578 18446744071699968823 0 0 17 2 0 0 0
/proc/15335/statm: 2951 50 31 304 0 2643 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 11804

[startup+0.100645 s]
/proc/loadavg: 6.64 4.44 1.90 2/181 15335
/proc/meminfo: memFree=32051740/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=11804 CPUtime=0 cores=0,2
/proc/15335/stat : 15335 (runsolver) S 15333 15335 15283 0 -1 4202560 41 0 0 0 0 0 0 0 16 0 1 0 994424948 12087296 50 33554432000 4194304 5436572 140737028595456 18446744073709551615 4883175 0 2147483391 4096 24578 18446744071699968823 0 0 17 2 0 0 0
/proc/15335/statm: 2951 50 31 304 0 2643 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 11804

[startup+0.300735 s]
/proc/loadavg: 6.64 4.44 1.90 2/181 15335
/proc/meminfo: memFree=32051740/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=9784 CPUtime=0.09 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 2271 0 0 0 9 0 0 0 16 0 1 0 994424948 10018816 2193 33554432000 134512640 135066516 4294798960 18446744073709551615 134700638 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 2446 2194 56 136 0 2309 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9784

[startup+0.700657 s]
/proc/loadavg: 6.64 4.44 1.90 2/181 15335
/proc/meminfo: memFree=32051740/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=42520 CPUtime=0.49 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 9823 0 0 0 48 1 0 0 16 0 1 0 994424948 43540480 9745 33554432000 134512640 135066516 4294798960 18446744073709551615 134700638 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 10630 9746 56 136 0 10493 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 42520

[startup+1.50051 s]
/proc/loadavg: 6.43 4.44 1.91 3/182 15336
/proc/meminfo: memFree=31980732/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=55380 CPUtime=1.29 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 13059 0 0 0 127 2 0 0 17 0 1 0 994424948 56709120 12980 33554432000 134512640 135066516 4294798960 18446744073709551615 134533811 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 13845 12980 60 136 0 13708 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 55380

[startup+3.1011 s]
/proc/loadavg: 6.43 4.44 1.91 3/182 15336
/proc/meminfo: memFree=31964728/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=57304 CPUtime=2.89 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 13350 0 0 0 287 2 0 0 19 0 1 0 994424948 58679296 13271 33554432000 134512640 135066516 4294798960 18446744073709551615 134535088 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 14326 13271 77 136 0 14189 0
Current children cumulated CPU time (s) 2.89
Current children cumulated vsize (KiB) 57304

[startup+6.30063 s]
/proc/loadavg: 6.43 4.44 1.91 3/182 15336
/proc/meminfo: memFree=31931800/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=57304 CPUtime=6.09 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 13386 0 0 0 607 2 0 0 25 0 1 0 994424948 58679296 13307 33554432000 134512640 135066516 4294798960 18446744073709551615 134545812 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 14326 13307 77 136 0 14189 0
Current children cumulated CPU time (s) 6.09
Current children cumulated vsize (KiB) 57304

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

[startup+7.90034 s]
/proc/loadavg: 6.23 4.43 1.92 3/182 15336
/proc/meminfo: memFree=31902812/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=57304 CPUtime=7.69 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 13388 0 0 0 767 2 0 0 25 0 1 0 994424948 58679296 13309 33554432000 134512640 135066516 4294798960 18446744073709551615 134545812 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 14326 13309 77 136 0 14189 0
Current children cumulated CPU time (s) 7.69
Current children cumulated vsize (KiB) 57304

[startup+8.7012 s]
/proc/loadavg: 6.23 4.43 1.92 3/182 15336
/proc/meminfo: memFree=31881940/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=57304 CPUtime=8.49 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 13388 0 0 0 847 2 0 0 25 0 1 0 994424948 58679296 13309 33554432000 134512640 135066516 4294798960 18446744073709551615 134515332 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 14326 13309 77 136 0 14189 0
Current children cumulated CPU time (s) 8.49
Current children cumulated vsize (KiB) 57304

[startup+9.50093 s]
/proc/loadavg: 6.23 4.43 1.92 3/182 15336
/proc/meminfo: memFree=31881940/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=30832 CPUtime=9.29 cores=0,2
/proc/15335/stat : 15335 (picogcnf) R 15333 15335 15283 0 -1 4202496 13389 0 0 0 927 2 0 0 25 0 1 0 994424948 31571968 2458 33554432000 134512640 135066516 4294798960 18446744073709551615 134833726 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/15335/statm: 7708 1946 77 136 0 7571 0
Current children cumulated CPU time (s) 9.29
Current children cumulated vsize (KiB) 30832

[startup+9.70089 s]
/proc/loadavg: 6.23 4.43 1.92 3/182 15336
/proc/meminfo: memFree=31881940/32950928 swapFree=67051812/67111528
[pid=15335] ppid=15333 vsize=0 CPUtime=9.29 cores=0,2
/proc/15335/stat : 15335 (picogcnf) S 15333 15335 15283 0 -1 4202500 13391 0 0 0 927 2 0 0 24 0 1 0 994424948 0 0 33554432000 0 0 0 0 0 0 2147483391 4096 0 18446744073709551615 0 0 17 0 0 0 0
/proc/15335/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 9.29
Current children cumulated vsize (KiB) 0

Child status: 20
Real time (s): 9.74865
CPU time (s): 9.30258
CPU user time (s): 9.27159
CPU system time (s): 0.030995
CPU usage (%): 95.4243
Max. virtual memory (cumulated for all children) (KiB): 57304

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.27159
system time used= 0.030995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 13391
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= 6
involuntary context switches= 29

runsolver used 0.018997 second user time and 0.041993 second system time

The end

Launcher Data 

Begin job on node116 at 2011-06-14 10:59:02
IDJOB=3501216
IDBENCH=89957
IDSOLVER=1999
FILE ID=node116/3501216-1308041934
RUNJOBID= node116-1308041933-15301
PBS_JOBID= 13564706
Free space on /tmp= 74092 MiB

SOLVER NAME= PicoGCNF 941
BENCH NAME= SAT11/gmus/nadel/edn_25208_6.cnf_0.20000000.unsat.gcnf
COMMAND LINE= picogcnf BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3501216-1308041934/watcher-3501216-1308041934 -o /tmp/evaluation-result-3501216-1308041934/solver-3501216-1308041934 -C 1800 -W 1850 -M 7680  picogcnf HOME/instance-3501216-1308041934.gcnf

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= abd4989e8a82bcd6da6a997d7de50cd4
RANDOM SEED=1378584668

node116.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		: 2666.826
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	: 5333.65
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		: 2666.826
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		: 2666.826
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		: 2666.826
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		: 2666.826
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		: 2666.826
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	: 5332.75
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		: 2666.826
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		: 2666.826
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      32055084 kB
Buffers:        187488 kB
Cached:         471084 kB
SwapCached:      12824 kB
Active:         303204 kB
Inactive:       375696 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      32055084 kB
SwapTotal:    67111528 kB
SwapFree:     67051812 kB
Dirty:           59748 kB
Writeback:           0 kB
AnonPages:       18224 kB
Mapped:           9040 kB
Slab:           151112 kB
PageTables:       5120 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   212428 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= 74036 MiB
End job on node116 at 2011-06-14 10:59:13