Trace number 3501215

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 26.561 26.5689

General information on the benchmark

Namegmus/nadel/
edn_22134_12.cnf_0.50000000.unsat.gcnf
MD5SUMf6667381dee1145d8c4acce78818288b
Bench CategoryGMUS (GMUS)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark4.53631
Satisfiable
(Un)Satisfiability was proved
Number of variables1042203
Number of clauses3051427
Sum of the clauses size7083540
Maximum clause length3
Minimum clause length1
Number of clauses of size 11782
Number of clauses of size 22067177
Number of clauses of size 3982468
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50
Number of groups3970
Number of clauses in the kernel (group 0)2956715
Least number of clauses in a group (except group 0) 1
Greatest number of clauses in a group (except group 0) 26

Solver Data 

4.99/5.08	c [picogcnf] 5.08 seconds: first call to SAT solver returned
4.99/5.08	s UNSATISFIABLE
4.99/5.08	c [picogcnf] 5.08 seconds: <1> reduction to 1 out of 3970 (0%)
26.48/26.50	v 3963 0
26.48/26.50	c [picogcnf] 26.49 seconds: max memory 149.8 MB
26.48/26.56	c [picogcnf] 26.56 seconds: 1 reductions

Verifier Data 

OK	1

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-3501215-1308041933/watcher-3501215-1308041933 -o /tmp/evaluation-result-3501215-1308041933/solver-3501215-1308041933 -C 1800 -W 1850 -M 7680 picogcnf HOME/instance-3501215-1308041933.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: 6.13 4.30 1.86 5/189 31939
/proc/meminfo: memFree=30614632/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=11804 CPUtime=0 cores=0,2
/proc/31939/stat : 31939 (runsolver) S 31937 31939 31867 0 -1 4202560 41 0 0 0 0 0 0 0 21 0 1 0 915795133 12087296 50 33554432000 4194304 5436572 140734467608576 18446744073709551615 4883175 0 2147483391 4096 24578 18446744071699977015 0 0 17 2 0 0 0
/proc/31939/statm: 2951 50 31 304 0 2643 0

[startup+0.054208 s]
/proc/loadavg: 6.13 4.30 1.86 5/189 31939
/proc/meminfo: memFree=30614632/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=5412 CPUtime=0.04 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 1218 0 0 0 4 0 0 0 22 0 1 0 915795133 5541888 1171 33554432000 134512640 135066516 4293030736 18446744073709551615 134680827 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 1353 1172 56 136 0 1216 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 5412

[startup+0.1002 s]
/proc/loadavg: 6.13 4.30 1.86 5/189 31939
/proc/meminfo: memFree=30614632/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=9820 CPUtime=0.08 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 2260 0 0 0 8 0 0 0 22 0 1 0 915795133 10055680 2213 33554432000 134512640 135066516 4293030736 18446744073709551615 134680827 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 2455 2214 56 136 0 2318 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 9820

[startup+0.300164 s]
/proc/loadavg: 6.13 4.30 1.86 5/189 31939
/proc/meminfo: memFree=30614632/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=27676 CPUtime=0.28 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 6533 0 0 0 27 1 0 0 23 0 1 0 915795133 28340224 6486 33554432000 134512640 135066516 4293030736 18446744073709551615 134680827 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 6919 6486 56 136 0 6782 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 27676

[startup+0.70115 s]
/proc/loadavg: 6.13 4.30 1.86 5/189 31939
/proc/meminfo: memFree=30614632/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=66576 CPUtime=0.68 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 14487 0 0 0 66 2 0 0 25 0 1 0 915795133 68173824 14440 33554432000 134512640 135066516 4293030736 18446744073709551615 134680827 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 16644 14440 56 136 0 16507 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 66576

[startup+1.50101 s]
/proc/loadavg: 6.13 4.30 1.86 5/190 31940
/proc/meminfo: memFree=30518028/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=134912 CPUtime=1.49 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 30259 0 0 0 143 6 0 0 25 0 1 0 915795133 138149888 30212 33554432000 134512640 135066516 4293030736 18446744073709551615 134680827 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 33728 30213 56 136 0 33591 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 134912

[startup+3.10073 s]
/proc/loadavg: 5.96 4.30 1.87 5/190 31940
/proc/meminfo: memFree=30418704/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=173976 CPUtime=3.09 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 41250 0 0 0 301 8 0 0 25 0 1 0 915795133 178151424 41202 33554432000 134512640 135066516 4293030736 18446744073709551615 134533798 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 43494 41202 60 136 0 43357 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 173976

[startup+6.30011 s]
/proc/loadavg: 5.96 4.30 1.87 5/190 31940
/proc/meminfo: memFree=30375600/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=175516 CPUtime=6.28 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 41552 0 0 0 620 8 0 0 25 0 1 0 915795133 179728384 41504 33554432000 134512640 135066516 4293030736 18446744073709551615 134540607 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 43879 41504 77 136 0 43742 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 175516

[startup+12.701 s]
/proc/loadavg: 5.66 4.29 1.89 5/190 31978
/proc/meminfo: memFree=30412744/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=175516 CPUtime=12.68 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 41639 0 0 0 1260 8 0 0 25 0 1 0 915795133 179728384 41591 33554432000 134512640 135066516 4293030736 18446744073709551615 134535500 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 43879 41591 77 136 0 43742 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 175516

[startup+25.5007 s]
/proc/loadavg: 5.40 4.28 1.92 5/190 32015
/proc/meminfo: memFree=30422820/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=177564 CPUtime=25.48 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 42238 0 0 0 2540 8 0 0 25 0 1 0 915795133 181825536 42190 33554432000 134512640 135066516 4293030736 18446744073709551615 134581153 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 44391 42190 77 136 0 44254 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 177564

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

[startup+26.3006 s]
/proc/loadavg: 5.29 4.27 1.93 5/190 32015
/proc/meminfo: memFree=30422820/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=177564 CPUtime=26.29 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 42238 0 0 0 2621 8 0 0 25 0 1 0 915795133 181825536 42190 33554432000 134512640 135066516 4293030736 18446744073709551615 134515372 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 44391 42190 77 136 0 44254 0
Current children cumulated CPU time (s) 26.29
Current children cumulated vsize (KiB) 177564

[startup+26.5006 s]
/proc/loadavg: 5.29 4.27 1.93 5/190 32015
/proc/meminfo: memFree=30422820/32950928 swapFree=67079488/67111528
[pid=31939] ppid=31937 vsize=177564 CPUtime=26.48 cores=0,2
/proc/31939/stat : 31939 (picogcnf) R 31937 31939 31867 0 -1 4202496 42247 0 0 0 2640 8 0 0 25 0 1 0 915795133 181825536 42199 33554432000 134512640 135066516 4293030736 18446744073709551615 134553579 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/31939/statm: 44391 42199 77 136 0 44254 0
Current children cumulated CPU time (s) 26.48
Current children cumulated vsize (KiB) 177564

Child status: 20
Real time (s): 26.5689
CPU time (s): 26.561
CPU user time (s): 26.468
CPU system time (s): 0.092985
CPU usage (%): 99.9703
Max. virtual memory (cumulated for all children) (KiB): 177564

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.468
system time used= 0.092985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 42249
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= 104

runsolver used 0.047992 second user time and 0.102984 second system time

The end

Launcher Data 

Begin job on node125 at 2011-06-14 10:59:15
IDJOB=3501215
IDBENCH=89956
IDSOLVER=1999
FILE ID=node125/3501215-1308041933
RUNJOBID= node125-1308041932-31885
PBS_JOBID= 13564701
Free space on /tmp= 73900 MiB

SOLVER NAME= PicoGCNF 941
BENCH NAME= SAT11/gmus/nadel/edn_22134_12.cnf_0.50000000.unsat.gcnf
COMMAND LINE= picogcnf BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3501215-1308041933/watcher-3501215-1308041933 -o /tmp/evaluation-result-3501215-1308041933/solver-3501215-1308041933 -C 1800 -W 1850 -M 7680  picogcnf HOME/instance-3501215-1308041933.gcnf

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

MD5SUM BENCH= f6667381dee1145d8c4acce78818288b
RANDOM SEED=1378584668

node125.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		: 2666.828
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		: 2666.828
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	: 5266.55
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		: 2666.828
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	: 5332.84
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		: 2666.828
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	: 5332.74
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		: 2666.828
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		: 2666.828
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		: 2666.828
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		: 2666.828
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:      30615648 kB
Buffers:        198520 kB
Cached:        1548076 kB
SwapCached:       3336 kB
Active:         886716 kB
Inactive:      1216272 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      30615648 kB
SwapTotal:    67111528 kB
SwapFree:     67079488 kB
Dirty:          148776 kB
Writeback:           0 kB
AnonPages:      354596 kB
Mapped:          14788 kB
Slab:           167304 kB
PageTables:       5688 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   578556 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= 73968 MiB
End job on node125 at 2011-06-14 10:59:41