Trace number 3190916

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
ppfolio parSAT 1.81072 0.45715

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S49783605-066-UNKNOWN.cnf
MD5SUM1c3095ea320a010dfc229e2e217434fd
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.631903
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
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	This is pico-portfolio, a naive parallel portfolio
0.00/0.00	Copyright (C) 2011 Olivier Roussel
0.00/0.00	Using 4 processing units
0.00/0.00	This portfolio uses the following solvers:
0.00/0.00	[1] cryptominisat 2.7.1 (Mate Soos)
0.00/0.00	[2] clasp 1.3.6 (Martin Gebser, Benjamin Kaufmann, and Torsten Schaub)
0.00/0.00	[3] TNM 2009 (Wanxia Wei and Chu Min Li)
0.00/0.00	[4] lingeling 276-6264d55-100731 (Armin Biere)
0.00/0.00	[5] march_hi 2009 (Marijn Heule and Hans Van Maaren)
0.00/0.00	Starting cryptominisat 2.7.1 on core(s) 1
0.00/0.00	Starting clasp 1.3.6 on core(s) 5
0.00/0.00	Starting TNM 2009 on core(s) 7
0.00/0.00	Starting lingeling 276-6264d55-100731 on core(s) 3
0.00/0.00	Starting march_hi 2009 on core(s) 7
0.00/0.45	s SATISFIABLE
0.00/0.45	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 -91 -92 -93 -94 -95 -96 97 -98 -99 -100 101 -102 -103 -104 -105 -106 107 -108 -109 110 111 -112 -113 114 -115 -116 117 118 119 120 -121 122 -123 124 -125 126 127 128 -129 130 131 -132 -133 -134 135 136 137 -138 139 -140 -141 142 -143 144 -145 -146 147 148 -149 150 151 -152 -153 -154 155 156 -157 -158 -159 -160 -161 -162 -163 164 -165 -166 -167 -168 169 -170 -171 172 173 174 -175 176 177 -178 -179 180 -181 -182 183 -184 185 -186 187 188 -189 190 -191 -192 -193 -194 -195 196 197 -198 199 -200 201 202 203 -204 -205 206 -207 208 -209 -210 -211 -212 213 214 -215 216 217 -218 -219 -220 221 -222 -223 224 -225 226 227 -228 229 230 231 -232 233 -234 235 -236 237 -238 239 240 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0.00/0.45	v 0 
0.00/0.45	solver [3] TNM 2009 answered
0.00/0.45	Done

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

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-3190916-1304044537/watcher-3190916-1304044537 -o /tmp/evaluation-result-3190916-1304044537/solver-3190916-1304044537 -C 4800 -W 1300 -M 15500 ppfolio HOME/instance-3190916-1304044537.cnf 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 6.42 7.63 7.32 2/173 25060
/proc/meminfo: memFree=26284524/32951124 swapFree=67111364/67111528
[pid=25060] ppid=25058 vsize=18324 CPUtime=0 cores=1,3,5,7
/proc/25060/stat : 25060 (ppfolio) R 25058 25060 25027 0 -1 4202496 518 0 0 0 0 0 0 0 25 0 1 0 516051692 18763776 389 33554432000 4194304 4287625 140734825806752 18446744073709551615 228244368911 0 0 4096 65536 0 0 0 17 1 0 0 0
/proc/25060/statm: 4581 389 341 23 0 91 0

[startup+0.114586 s]
/proc/loadavg: 6.42 7.63 7.32 2/173 25060
/proc/meminfo: memFree=26284524/32951124 swapFree=67111364/67111528
[pid=25060] ppid=25058 vsize=18324 CPUtime=0 cores=1,3,5,7
/proc/25060/stat : 25060 (ppfolio) R 25058 25060 25027 0 -1 4202496 520 0 0 0 0 0 0 0 25 0 1 0 516051692 18763776 389 33554432000 4194304 4287625 140734825806752 18446744073709551615 228244368911 0 0 4096 65536 0 0 0 17 1 0 0 0
/proc/25060/statm: 4581 389 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

[startup+0.200569 s]
/proc/loadavg: 6.42 7.63 7.32 2/173 25060
/proc/meminfo: memFree=26284524/32951124 swapFree=67111364/67111528
[pid=25060] ppid=25058 vsize=18324 CPUtime=0 cores=1,3,5,7
/proc/25060/stat : 25060 (ppfolio) R 25058 25060 25027 0 -1 4202496 520 0 0 0 0 0 0 0 25 0 1 0 516051692 18763776 389 33554432000 4194304 4287625 140734825806752 18446744073709551615 228244368911 0 0 4096 65536 0 0 0 17 1 0 0 0
/proc/25060/statm: 4581 389 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

[startup+0.300553 s]
/proc/loadavg: 6.42 7.63 7.32 2/173 25060
/proc/meminfo: memFree=26284524/32951124 swapFree=67111364/67111528
[pid=25060] ppid=25058 vsize=18324 CPUtime=0 cores=1,3,5,7
/proc/25060/stat : 25060 (ppfolio) R 25058 25060 25027 0 -1 4202496 520 0 0 0 0 0 0 0 24 0 1 0 516051692 18763776 389 33554432000 4194304 4287625 140734825806752 18446744073709551615 228244368911 0 0 4096 65536 0 0 0 17 1 0 0 0
/proc/25060/statm: 4581 389 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

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

[startup+0.400536 s]
/proc/loadavg: 6.42 7.63 7.32 2/173 25060
/proc/meminfo: memFree=26284524/32951124 swapFree=67111364/67111528
[pid=25060] ppid=25058 vsize=18324 CPUtime=0 cores=1,3,5,7
/proc/25060/stat : 25060 (ppfolio) R 25058 25060 25027 0 -1 4202496 520 0 0 0 0 0 0 0 24 0 1 0 516051692 18763776 389 33554432000 4194304 4287625 140734825806752 18446744073709551615 228244368911 0 0 4096 65536 0 0 0 17 1 0 0 0
/proc/25060/statm: 4581 389 341 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

Child status: 0
Real time (s): 0.45715
CPU time (s): 1.81072
CPU user time (s): 1.79973
CPU system time (s): 0.010998
CPU usage (%): 396.09
Max. virtual memory (cumulated for all children) (KiB): 18324

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.79973
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8608
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= 58
involuntary context switches= 34

runsolver used 0.000999 second user time and 0.007998 second system time

The end

Launcher Data

Begin job on node136 at 2011-04-29 04:35:37
IDJOB=3190916
IDBENCH=82647
IDSOLVER=1612
FILE ID=node136/3190916-1304044537
RUNJOBID= node136-1304044537-25046
PBS_JOBID= 13170391
Free space on /tmp= 72336 MiB

SOLVER NAME= ppfolio par
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S49783605-066-UNKNOWN.cnf
COMMAND LINE= ppfolio BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3190916-1304044537/watcher-3190916-1304044537 -o /tmp/evaluation-result-3190916-1304044537/solver-3190916-1304044537 -C 4800 -W 1300 -M 15500  ppfolio HOME/instance-3190916-1304044537.cnf

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 1c3095ea320a010dfc229e2e217434fd
RANDOM SEED=25330333

node136.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		: 2666.809
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		: 2666.809
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	: 5332.75
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		: 2666.809
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		: 2666.809
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	: 5332.76
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		: 2666.809
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	: 5332.75
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		: 2666.809
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		: 2666.809
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		: 2666.809
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      26285292 kB
Buffers:       1052908 kB
Cached:        4996036 kB
SwapCached:        100 kB
Active:         672992 kB
Inactive:      5439816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      26285292 kB
SwapTotal:    67111528 kB
SwapFree:     67111364 kB
Dirty:           11868 kB
Writeback:           8 kB
AnonPages:       63480 kB
Mapped:          14460 kB
Slab:           486260 kB
PageTables:       4512 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   189488 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= 72312 MiB
End job on node136 at 2011-04-29 04:35:38