Trace number 3160018

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
synit_sat 2011-03-03UNSAT 2.26765 2.26971

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v50-c1065-S1449708927-022.UNKNOWN.cnf
MD5SUM269439ad82cf78c62b6c5a7e4f9ecd9c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.12598
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 

0.00/0.00	c start  0 total 0
0.00/0.00	c Find Units :          0
0.00/0.00	c Find Invs  :          0
0.00/0.00	c Find Ands  :          0 AvgFaninNum: nan
0.00/0.00	c Find Xors  :          0 AvgFaninNum: nan
0.00/0.00	c Find Ite   :          0
0.00/0.00	c UnDirect variable: 0
0.00/0.00	c UnDirect to Direct Gate: 0
0.00/0.00	c Forced Direct Gate: 0 Unuse unDirect Gate: 0
0.00/0.00	c Break Cycle : 0
0.00/0.00	c Total Root : 0 Undef Var: 50
0.00/0.00	c After covering, Total Root: 0 Leaf: 0
0.00/0.00	c Variable( cover/uncovered/unused ): 0 50 0
0.00/0.00	c Unit Clauses: 0
0.00/0.00	c Binary Clauses( cover/uncovered ): 0 0
0.00/0.00	c Clauses( cover/uncovered ): 0 1065
0.00/0.00	c Total Clauses( cover/uncovered ): 0 1065 0%
0.00/0.00	c Covered Ands: 0 Invs: 0 Xors: 0 Ites: 0
0.00/0.00	c Uncover Clauses avg size: 5 max size: 5
0.00/0.00	c Final circuit: i/l/o/s      50       0    1065      3599
0.00/0.00	c cover rate 0
0.00/0.00	c rocky end  0 total 0
0.00/0.01	c covering time  0 total 0
2.19/2.26	c solve time  2.25 total 2.25
2.19/2.26	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-3160018-1301744588/watcher-3160018-1301744588 -o /tmp/evaluation-result-3160018-1301744588/solver-3160018-1301744588 -C 2400 -W 1300 -M 7680 HOME/synit_sat HOME/instance-3160018-1301744588.cnf 1276040353 

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: 1.83 3.09 3.60 1/174 3622
/proc/meminfo: memFree=21078612/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=29720 CPUtime=0 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 2023 0 0 0 0 0 0 0 17 0 1 0 286058510 30433280 1960 33554432000 4194304 4947581 140737048956896 18446744073709551615 237278879488 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/3622/statm: 7430 1960 322 184 0 2305 0

[startup+0.0171949 s]
/proc/loadavg: 1.83 3.09 3.60 1/174 3622
/proc/meminfo: memFree=21078612/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=40952 CPUtime=0.01 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 2719 0 0 0 1 0 0 0 18 0 1 0 286058510 41934848 2652 33554432000 4194304 4947581 140737048956896 18446744073709551615 4399959 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 10238 2652 431 184 0 5113 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 40952

[startup+0.100183 s]
/proc/loadavg: 1.83 3.09 3.60 1/174 3622
/proc/meminfo: memFree=21078612/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=41976 CPUtime=0.09 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 3008 0 0 0 9 0 0 0 18 0 1 0 286058510 42983424 2941 33554432000 4194304 4947581 140737048956896 18446744073709551615 4398568 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 10494 2941 458 184 0 5369 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 41976

[startup+0.300204 s]
/proc/loadavg: 1.83 3.09 3.60 1/174 3622
/proc/meminfo: memFree=21078612/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=50376 CPUtime=0.29 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 3194 0 0 0 29 0 0 0 18 0 1 0 286058510 51585024 3127 33554432000 4194304 4947581 140737048956896 18446744073709551615 4399850 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 12594 3127 458 184 0 7469 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 50376

[startup+0.700074 s]
/proc/loadavg: 1.83 3.09 3.60 1/174 3622
/proc/meminfo: memFree=21078612/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=67940 CPUtime=0.69 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 3658 0 0 0 69 0 0 0 18 0 1 0 286058510 69570560 3591 33554432000 4194304 4947581 140737048956896 18446744073709551615 4400019 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 16985 3591 458 184 0 11860 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 67940

[startup+1.50093 s]
/proc/loadavg: 1.83 3.09 3.60 5/190 3653
/proc/meminfo: memFree=21013492/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=76560 CPUtime=1.49 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 4367 0 0 0 149 0 0 0 20 0 1 0 286058510 78397440 4299 33554432000 4194304 4947581 140737048956896 18446744073709551615 4399881 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 19140 4299 467 184 0 14015 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 76560

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

[startup+1.90092 s]
/proc/loadavg: 1.83 3.09 3.60 5/190 3653
/proc/meminfo: memFree=21013492/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=85196 CPUtime=1.89 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 4399 0 0 0 189 0 0 0 20 0 1 0 286058510 87240704 4331 33554432000 4194304 4947581 140737048956896 18446744073709551615 4399796 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 21299 4331 467 184 0 16174 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 85196

[startup+2.10088 s]
/proc/loadavg: 1.83 3.09 3.60 5/190 3653
/proc/meminfo: memFree=20981252/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=85196 CPUtime=2.09 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 4546 0 0 0 209 0 0 0 21 0 1 0 286058510 87240704 4478 33554432000 4194304 4947581 140737048956896 18446744073709551615 4399915 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 21299 4478 467 184 0 16174 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 85196

[startup+2.20686 s]
/proc/loadavg: 1.83 3.09 3.60 5/190 3653
/proc/meminfo: memFree=20981252/32950904 swapFree=67111528/67111528
[pid=3622] ppid=3620 vsize=85196 CPUtime=2.19 cores=1,3
/proc/3622/stat : 3622 (synit_sat) R 3620 3622 2769 0 -1 4202496 4596 0 0 0 219 0 0 0 21 0 1 0 286058510 87240704 4528 33554432000 4194304 4947581 140737048956896 18446744073709551615 4343389 0 0 4096 24578 0 0 0 17 1 0 0 0
/proc/3622/statm: 21299 4528 467 184 0 16174 0
Current children cumulated CPU time (s) 2.19
Current children cumulated vsize (KiB) 85196

Child status: 0
Real time (s): 2.26971
CPU time (s): 2.26765
CPU user time (s): 2.25966
CPU system time (s): 0.007998
CPU usage (%): 99.9096
Max. virtual memory (cumulated for all children) (KiB): 85196

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.25966
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4617
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= 12
involuntary context switches= 3

runsolver used 0.003999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node121 at 2011-04-02 13:43:08
IDJOB=3160018
IDBENCH=83041
IDSOLVER=1571
FILE ID=node121/3160018-1301744588
RUNJOBID= node121-1301744587-3612
PBS_JOBID= 12840948
Free space on /tmp= 71480 MiB

SOLVER NAME= synit_sat 2011-03-03
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v50-c1065-S1449708927-022.UNKNOWN.cnf
COMMAND LINE= HOME/synit_sat BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3160018-1301744588/watcher-3160018-1301744588 -o /tmp/evaluation-result-3160018-1301744588/solver-3160018-1301744588 -C 2400 -W 1300 -M 7680  HOME/synit_sat HOME/instance-3160018-1301744588.cnf 1276040353

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

MD5SUM BENCH= 269439ad82cf78c62b6c5a7e4f9ecd9c
RANDOM SEED=1276040353

node121.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		: 2666.817
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	: 5333.63
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		: 2666.817
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	: 5226.07
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		: 2666.817
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		: 2666.817
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	: 5332.77
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		: 2666.817
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		: 2666.817
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		: 2666.817
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		: 2666.817
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:     32950904 kB
MemFree:      21078768 kB
Buffers:        333452 kB
Cached:       11204932 kB
SwapCached:          0 kB
Active:        7537540 kB
Inactive:      4063760 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950904 kB
LowFree:      21078768 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            2512 kB
Writeback:           0 kB
AnonPages:       62892 kB
Mapped:          14616 kB
Slab:           206652 kB
PageTables:       4716 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586980 kB
Committed_AS:   186908 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= 71468 MiB
End job on node121 at 2011-04-02 13:43:10