Trace number 3378253

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
borg-sat 11.03.02-par-random (fixed)SAT 1.68674 1.33655

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S1201761407-024-UNKNOWN.cnf
MD5SUMf551de19344e39204ca6929dfef80a04
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.989848
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

0.31/0.68	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.31/0.68	c INFO: solving HOME/instance-3378253-1305464284.cnf
0.31/0.68	c INFO: computing task features
0.39/0.71	c INFO: computed variable-clause graph statistics
0.39/0.72	c INFO: computed clause balance statistics
0.48/0.89	c INFO: computed variable balance statistics
0.70/1.04	c INFO: computed small-clause counts
0.70/1.04	c INFO: computed Horn-clause counts
0.70/1.06	c INFO: computed variable graph statistics
0.70/1.06	c INFO: collected features for HOME/instance-3378253-1305464284.cnf in 0.38 s
0.70/1.07	c INFO: running hybridGM3@0 for 97 with 1199 remaining (b = 0.61)
0.70/1.08	c INFO: running TNM@0 for 97 with 1199 remaining (b = 0.30)
0.70/1.09	c INFO: running hybridGM3@0 for 97 with 1199 remaining (b = 0.18)
0.70/1.10	c INFO: running hybridGM3@0 for 97 with 1199 remaining (b = 0.11)
0.79/1.31	s SATISFIABLE
0.79/1.31	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 -245 246 -247 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Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

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-3378253-1305464284/watcher-3378253-1305464284 -o /tmp/evaluation-result-3378253-1305464284/solver-3378253-1305464284 -C 4800 -W 1300 -M 15500 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3378253-1305464284.cnf -seed 1573490574 -budget 4800 -cores 4 

running on 4 cores: 0,2,4,6

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: 8.33 8.22 7.32 6/371 31621
/proc/meminfo: memFree=11294172/32951124 swapFree=66050672/67111528
[pid=31621] ppid=31619 vsize=15776 CPUtime=0 cores=0,2,4,6
/proc/31621/stat : 31621 (python) S 31619 31621 30970 0 -1 4202496 895 0 0 0 0 0 0 0 25 0 1 0 658026269 16154624 777 33554432000 4194304 5683644 140737343522080 18446744073709551615 255377299456 0 2147483391 16781312 2 18446744071699453118 0 0 17 2 0 0 0
/proc/31621/statm: 3944 777 343 364 0 431 0

[startup+0.065019 s]
/proc/loadavg: 8.33 8.22 7.32 6/371 31621
/proc/meminfo: memFree=11294172/32951124 swapFree=66050672/67111528
[pid=31621] ppid=31619 vsize=30112 CPUtime=0.04 cores=0,2,4,6
/proc/31621/stat : 31621 (python) R 31619 31621 30970 0 -1 4202496 1470 0 0 0 3 1 0 0 25 0 1 0 658026269 30834688 1309 33554432000 4194304 5683644 140737343522080 18446744073709551615 255377299456 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/31621/statm: 7528 1309 443 364 0 898 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 30112

[startup+0.101014 s]
/proc/loadavg: 8.33 8.22 7.32 6/371 31621
/proc/meminfo: memFree=11294172/32951124 swapFree=66050672/67111528
[pid=31621] ppid=31619 vsize=85620 CPUtime=0.05 cores=0,2,4,6
/proc/31621/stat : 31621 (python) S 31619 31621 30970 0 -1 4202496 2630 0 0 0 4 1 0 0 25 0 1 0 658026269 87674880 2348 33554432000 4194304 5683644 140737343522080 18446744073709551615 255377299456 0 2147483391 16781312 2 18446744071699453118 0 0 17 2 0 0 0
/proc/31621/statm: 21405 2348 713 364 0 1622 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 85620

[startup+0.30094 s]
/proc/loadavg: 8.33 8.22 7.32 6/371 31621
/proc/meminfo: memFree=11294172/32951124 swapFree=66050672/67111528
[pid=31621] ppid=31619 vsize=135748 CPUtime=0.19 cores=0,2,4,6
/proc/31621/stat : 31621 (python) S 31619 31621 30970 0 -1 4202496 5966 935 1 0 14 5 0 0 25 0 1 0 658026269 139005952 4151 33554432000 4194304 5683644 140737343522080 18446744073709551615 255377297413 0 2147483391 16781312 2 18446744071699453118 0 0 17 2 0 0 0
/proc/31621/statm: 33937 4151 1032 364 0 3123 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 135748

[startup+0.700904 s]
/proc/loadavg: 8.33 8.22 7.32 6/371 31621
/proc/meminfo: memFree=11294172/32951124 swapFree=66050672/67111528
[pid=31621] ppid=31619 vsize=279492 CPUtime=0.39 cores=0,2,4,6
/proc/31621/stat : 31621 (python) R 31619 31621 30970 0 -1 4202496 9517 935 1 0 30 9 0 0 17 0 1 0 658026269 286199808 7195 33554432000 4194304 5683644 140737343522080 18446744073709551615 4445115 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/31621/statm: 69873 7195 1761 364 0 5797 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 279492

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

[startup+1.11279 s]
/proc/loadavg: 8.33 8.22 7.32 6/372 31626
/proc/meminfo: memFree=11269732/32951124 swapFree=66050672/67111528
[pid=31621] ppid=31619 vsize=321024 CPUtime=0.79 cores=0,2,4,6
/proc/31621/stat : 31621 (python) S 31619 31621 30970 0 -1 4202496 12851 935 1 0 69 10 0 0 24 0 5 0 658026269 328728576 7453 33554432000 4194304 5683644 140737343522080 18446744073709551615 255389128139 0 0 16781312 2 18446744073709551615 0 0 17 2 0 0 0
/proc/31621/statm: 80256 7453 1881 364 0 16165 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 321024

[startup+1.30075 s]
/proc/loadavg: 8.33 8.22 7.32 6/372 31626
/proc/meminfo: memFree=11269732/32951124 swapFree=66050672/67111528
[pid=31621] ppid=31619 vsize=321024 CPUtime=0.79 cores=0,2,4,6
/proc/31621/stat : 31621 (python) S 31619 31621 30970 0 -1 4202496 12851 935 1 0 69 10 0 0 24 0 5 0 658026269 328728576 7453 33554432000 4194304 5683644 140737343522080 18446744073709551615 255389128139 0 0 16781312 2 18446744073709551615 0 0 17 2 0 0 0
/proc/31621/statm: 80256 7453 1881 364 0 16165 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 321024

Child status: 0
Real time (s): 1.33655
CPU time (s): 1.68674
CPU user time (s): 1.53577
CPU system time (s): 0.150977
CPU usage (%): 126.201
Max. virtual memory (cumulated for all children) (KiB): 321024

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.53577
system time used= 0.150977
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 37682
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2958
involuntary context switches= 60

runsolver used 0.005999 second user time and 0.018997 second system time

The end

Launcher Data

Begin job on node135 at 2011-05-15 14:58:04
IDJOB=3378253
IDBENCH=82662
IDSOLVER=1859
FILE ID=node135/3378253-1305464284
RUNJOBID= node135-1305462647-30988
PBS_JOBID= 13324970
Free space on /tmp= 73328 MiB

SOLVER NAME= borg-sat 11.03.02-par-random (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S1201761407-024-UNKNOWN.cnf
COMMAND LINE= python DIR/solve DIR/etc/borg-mix+class.random.pickle BENCHNAME -seed RANDOMSEED -budget TIMEOUT -cores NBCORE
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3378253-1305464284/watcher-3378253-1305464284 -o /tmp/evaluation-result-3378253-1305464284/solver-3378253-1305464284 -C 4800 -W 1300 -M 15500  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3378253-1305464284.cnf -seed 1573490574 -budget 4800 -cores 4

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

MD5SUM BENCH= f551de19344e39204ca6929dfef80a04
RANDOM SEED=1573490574

node135.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		: 2666.851
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	: 5333.70
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		: 2666.851
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	: 5332.83
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		: 2666.851
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		: 2666.851
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	: 6640.14
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		: 2666.851
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	: 5332.78
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		: 2666.851
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		: 2666.851
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	: 5332.74
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		: 2666.851
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	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      11294336 kB
Buffers:        297872 kB
Cached:        6340356 kB
SwapCached:      50684 kB
Active:       10531276 kB
Inactive:     10857076 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      11294336 kB
SwapTotal:    67111528 kB
SwapFree:     66050672 kB
Dirty:           31896 kB
Writeback:           0 kB
AnonPages:    14705052 kB
Mapped:          26692 kB
Slab:           144428 kB
PageTables:      60044 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 74320952 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73300 MiB
End job on node135 at 2011-05-15 14:58:05