Trace number 3191408

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 seqSAT 0.297954 0.297876

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S1300417189-038-UNKNOWN.cnf
MD5SUM0ed8ade65938c7fcf06ab054c90e3de3
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.200968
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 1 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	Starting cryptominisat 2.7.1 on core(s) 5
0.00/0.00	Starting clasp 1.3.6 on core(s) 5
0.00/0.00	Starting TNM 2009 on core(s) 5
0.00/0.29	s SATISFIABLE
0.00/0.29	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 -240 241 242 243 244 245 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0.00/0.29	v 0 
0.00/0.29	solver [3] TNM 2009 answered
0.00/0.29	Done

Verifier Data

OK

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-3191408-1302536893/watcher-3191408-1302536893 -o /tmp/evaluation-result-3191408-1302536893/solver-3191408-1302536893 -C 2400 -W 1300 -M 7680 ppfolio --nbcore=1 HOME/instance-3191408-1302536893.cnf 

running on 2 cores: 5,7

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: 10.23 4.39 2.48 10/198 15962
/proc/meminfo: memFree=16898484/32951124 swapFree=67111528/67111528
[pid=15962] ppid=15960 vsize=18324 CPUtime=0 cores=5,7
/proc/15962/stat : 15962 (ppfolio) R 15960 15962 15860 0 -1 4202496 486 0 0 0 0 0 0 0 25 0 1 0 365290196 18763776 392 33554432000 4194304 4287625 140733396617632 18446744073709551615 270612930965 0 0 4096 65536 0 0 0 17 5 0 0 0
/proc/15962/statm: 4581 392 343 23 0 91 0

[startup+0.0921229 s]
/proc/loadavg: 10.23 4.39 2.48 10/198 15962
/proc/meminfo: memFree=16898484/32951124 swapFree=67111528/67111528
[pid=15962] ppid=15960 vsize=18324 CPUtime=0 cores=5,7
/proc/15962/stat : 15962 (ppfolio) S 15960 15962 15860 0 -1 4202496 500 0 0 0 0 0 0 0 25 0 1 0 365290196 18763776 394 33554432000 4194304 4287625 140733396617632 18446744073709551615 270613130767 0 0 4096 65536 11476601769706881288 0 0 17 7 0 0 0
/proc/15962/statm: 4581 394 345 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

[startup+0.101108 s]
/proc/loadavg: 10.23 4.39 2.48 10/198 15962
/proc/meminfo: memFree=16898484/32951124 swapFree=67111528/67111528
[pid=15962] ppid=15960 vsize=18324 CPUtime=0 cores=5,7
/proc/15962/stat : 15962 (ppfolio) S 15960 15962 15860 0 -1 4202496 500 0 0 0 0 0 0 0 25 0 1 0 365290196 18763776 394 33554432000 4194304 4287625 140733396617632 18446744073709551615 270613130767 0 0 4096 65536 11476601769706881288 0 0 17 7 0 0 0
/proc/15962/statm: 4581 394 345 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+0.201092 s]
/proc/loadavg: 10.23 4.39 2.48 10/198 15962
/proc/meminfo: memFree=16898484/32951124 swapFree=67111528/67111528
[pid=15962] ppid=15960 vsize=18324 CPUtime=0 cores=5,7
/proc/15962/stat : 15962 (ppfolio) S 15960 15962 15860 0 -1 4202496 502 0 0 0 0 0 0 0 24 0 1 0 365290196 18763776 394 33554432000 4194304 4287625 140733396617632 18446744073709551615 270613130767 0 0 4096 65536 0 0 0 17 7 0 0 0
/proc/15962/statm: 4581 394 345 23 0 91 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 18324

Child status: 0
Real time (s): 0.297876
CPU time (s): 0.297954
CPU user time (s): 0.292955
CPU system time (s): 0.004999
CPU usage (%): 100.026
Max. virtual memory (cumulated for all children) (KiB): 18324

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.292955
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3560
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= 36
involuntary context switches= 8

runsolver used 0.002999 second user time and 0.003999 second system time

The end

Launcher Data

Begin job on node108 at 2011-04-11 17:48:13
IDJOB=3191408
IDBENCH=82539
IDSOLVER=1613
FILE ID=node108/3191408-1302536893
RUNJOBID= node108-1302536779-15881
PBS_JOBID= 12951112
Free space on /tmp= 71864 MiB

SOLVER NAME= ppfolio seq
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S1300417189-038-UNKNOWN.cnf
COMMAND LINE= ppfolio --nbcore=1 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3191408-1302536893/watcher-3191408-1302536893 -o /tmp/evaluation-result-3191408-1302536893/solver-3191408-1302536893 -C 2400 -W 1300 -M 7680  ppfolio --nbcore=1 HOME/instance-3191408-1302536893.cnf

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

MD5SUM BENCH= 0ed8ade65938c7fcf06ab054c90e3de3
RANDOM SEED=460583581

node108.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		: 2666.820
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	: 5333.64
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		: 2666.820
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		: 2666.820
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	: 5332.82
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		: 2666.820
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		: 2666.820
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		: 2666.820
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		: 2666.820
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		: 2666.820
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      16898764 kB
Buffers:        737176 kB
Cached:       14620496 kB
SwapCached:          0 kB
Active:        8913004 kB
Inactive:      6748232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      16898764 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:           10160 kB
Writeback:           0 kB
AnonPages:      303168 kB
Mapped:          17844 kB
Slab:           325672 kB
PageTables:       6600 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  2868164 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= 71852 MiB
End job on node108 at 2011-04-11 17:48:13