Trace number 3483508

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
PicoMUS 941UNSAT 0.006998 0.0191741

General information on the benchmark

NameSAT02/industrial/biere/
dinphil/dp02u01.shuffled.cnf
MD5SUM1664305085707f00cdbaa246df0db7a1
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.001999
Satisfiable
(Un)Satisfiability was proved
Number of variables134
Number of clauses376
Sum of the clauses size881
Maximum clause length3
Minimum clause length1
Number of clauses of size 14
Number of clauses of size 2239
Number of clauses of size 3133
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c [picomus] WARNING: no output file given
0.00/0.00	c [picomus] p cnf 134 376
0.00/0.00	s UNSATISFIABLE
0.00/0.00	c [picomus] extracted core 1 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 2 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 3 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 4 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 5 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 6 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 7 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] extracted core 8 of size 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picomus] reduction 1 to 53 out of 376 (14%) after 0.0 sec
0.00/0.00	c [picosat] 55 calls
0.00/0.00	c [picosat] 0 iterations
0.00/0.00	c [picosat] 0 restarts
0.00/0.00	c [picosat] 0 failed literals
0.00/0.00	c [picosat] 8 conflicts
0.00/0.00	c [picosat] 23328 decisions
0.00/0.00	c [picosat] 88 fixed variables
0.00/0.00	c [picosat] 184 learned literals
0.00/0.00	c [picosat] 0.0% deleted literals
0.00/0.00	c [picosat] 25614 propagations
0.00/0.00	c [picosat] 20.1% variables used
0.00/0.00	c [picosat] 0.0 seconds in library
0.00/0.00	c [picosat] 6.4 megaprops/second
0.00/0.00	c [picosat] probing 0.0 seconds 0%
0.00/0.00	c [picosat] 1 simplifications
0.00/0.00	c [picosat] 0 reductions
0.00/0.00	c [picosat] 0.0 MB recycled
0.00/0.00	c [picosat] 0.0 MB maximally allocated
0.00/0.00	c [picomus] found 323 redundant clauses 86%
0.00/0.00	c [picomus] computed MUS of size 53 out of 376 (14%)
0.00/0.00	v 1
0.00/0.00	v 2
0.00/0.00	v 3
0.00/0.00	v 12
0.00/0.00	v 18
0.00/0.00	v 22
0.00/0.00	v 44
0.00/0.00	v 47
0.00/0.00	v 55
0.00/0.00	v 69
0.00/0.00	v 85
0.00/0.00	v 93
0.00/0.00	v 94
0.00/0.00	v 98
0.00/0.00	v 99
0.00/0.00	v 112
0.00/0.00	v 119
0.00/0.00	v 123
0.00/0.00	v 125
0.00/0.00	v 128
0.00/0.00	v 133
0.00/0.00	v 150
0.00/0.00	v 163
0.00/0.00	v 165
0.00/0.00	v 166
0.00/0.00	v 176
0.00/0.00	v 203
0.00/0.00	v 230
0.00/0.00	v 232
0.00/0.00	v 241
0.00/0.00	v 242
0.00/0.00	v 251
0.00/0.00	v 253
0.00/0.00	v 261
0.00/0.00	v 265
0.00/0.00	v 269
0.00/0.00	v 284
0.00/0.00	v 286
0.00/0.00	v 289
0.00/0.00	v 290
0.00/0.00	v 300
0.00/0.00	v 304
0.00/0.00	v 309
0.00/0.00	v 318
0.00/0.00	v 326
0.00/0.00	v 329
0.00/0.00	v 333
0.00/0.00	v 336
0.00/0.00	v 341
0.00/0.00	v 343
0.00/0.00	v 351
0.00/0.00	v 356
0.00/0.00	v 373
0.00/0.00	v 0
0.00/0.00	c [picomus] computed 53 irredundant clauses 14%
0.00/0.00	c [picomus] 1 reductions in 0.0 seconds

Verifier Data 

OK	53

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3483508-1307605013/watcher-3483508-1307605013 -o /tmp/evaluation-result-3483508-1307605013/solver-3483508-1307605013 -C 1800 -W 1850 -M 7680 picomus HOME/instance-3483508-1307605013.cnf 

running on 2 cores: 4,6

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: 0.00 0.00 0.00 3/501 15930
/proc/meminfo: memFree=1403116/32950928 swapFree=0/4192956
[pid=15930] ppid=15928 vsize=0 CPUtime=0 cores=4,6
/proc/15930/stat : 15930 (picomus) Z 15928 15930 15878 0 -1 4202524 145 0 0 0 0 0 0 0 23 0 1 0 429932411 0 0 33554432000 0 0 0 0 0 0 0 4096 0 18446744073709551615 0 0 17 4 0 0 0
/proc/15930/statm: 0 0 0 0 0 0 0

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

Child status: 20
Real time (s): 0.0191741
CPU time (s): 0.006998
CPU user time (s): 0.005999
CPU system time (s): 0.000999
CPU usage (%): 36.4972
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.005999
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= 145
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= 1

runsolver used 0.002999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node124 at 2011-06-09 09:36:53
IDJOB=3483508
IDBENCH=88088
IDSOLVER=1974
FILE ID=node124/3483508-1307605013
RUNJOBID= node124-1307605011-15897
PBS_JOBID= 13547765
Free space on /tmp= 130320 MiB

SOLVER NAME= PicoMUS 941
BENCH NAME= SAT02/industrial/biere/dinphil/dp02u01.shuffled.cnf
COMMAND LINE= picomus BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3483508-1307605013/watcher-3483508-1307605013 -o /tmp/evaluation-result-3483508-1307605013/solver-3483508-1307605013 -C 1800 -W 1850 -M 7680  picomus HOME/instance-3483508-1307605013.cnf

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

MD5SUM BENCH= 1664305085707f00cdbaa246df0db7a1
RANDOM SEED=1406985501

node124.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		: 2666.807
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	: 5333.61
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		: 2666.807
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	: 5357.86
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		: 2666.807
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		: 2666.807
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		: 2666.807
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	: 5332.73
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		: 2666.807
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	: 5332.83
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		: 2666.807
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		: 2666.807
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	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:       1403396 kB
Buffers:         39008 kB
Cached:         278128 kB
SwapCached:       7756 kB
Active:       18423236 kB
Inactive:     12920412 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:       1403396 kB
SwapTotal:     4192956 kB
SwapFree:            0 kB
Dirty:            3948 kB
Writeback:           0 kB
AnonPages:    31024584 kB
Mapped:          38600 kB
Slab:            71608 kB
PageTables:      96540 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  20668420 kB
Committed_AS: 112828116 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    265212 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 130320 MiB
End job on node124 at 2011-06-09 09:36:53