Trace number 2669004

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
PB/CT 0.1SAT 20.6589 20.6641

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900547461.opb
MD5SUM851f60b4bba13dc8ad4e48be942c1c37
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark2.14067
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables231
Total number of constraints2707
Number of constraints which are clauses2684
Number of constraints which are cardinality constraints (but not clauses)22
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint110
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 25
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 695
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.04	c constraints 23/0 clauses 2684/0 units 0
0.00/0.04	c vars 231
20.58/20.63	c 18.3802 11.0742 2883 128590
20.58/20.63	s SATISFIABLE
20.58/20.63	v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 x49 -x50 -x51 -x52 -x53 -x54 -x55 x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 x74 -x75 -x76 -x77 -x78 x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 x99 -x100 -x101 x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 x150 -x151 -x152 -x153 -x154 x155 -x156 -x157 -x158 -x159 -x160 -x161 x162 -x163 -x164 -x165 -x166 -x167 -x168 -x169 -x170 -x171 -x172 -x173 -x174 x175 -x176 -x177 -x178 -x179 -x180 -x181 -x182 -x183 -x184 -x185 -x186 x187 -x188 -x189 -x190 -x191 -x192 x193 -x194 -x195 -x196 -x197 -x198 -x199 -x200 -x201 -x202 -x203 -x204 -x205 -x206 -x207 x208 -x209 -x210 -x211 -x212 -x213 -x214 -x215 -x216 -x217 -x218 -x219 x220 -x221 -x222 -x223 x224 -x225 -x226 -x227 -x228 -x229 -x230 -x231

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2669004-1276433180/watcher-2669004-1276433180 -o /tmp/evaluation-result-2669004-1276433180/solver-2669004-1276433180 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669004-1276433180.opb 

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): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.91 0.97 0.99 3/106 25096
/proc/meminfo: memFree=1712600/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=2208 CPUtime=0
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 253 0 0 0 0 0 0 0 20 0 1 0 18922049 2260992 176 1992294400 134512640 136485738 4288688192 18446744073709551615 135756032 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25096/statm: 552 176 156 482 0 68 0

[startup+0.0702469 s]
/proc/loadavg: 0.91 0.97 0.99 3/106 25096
/proc/meminfo: memFree=1712600/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=5604 CPUtime=0.06
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 1075 0 0 0 6 0 0 0 20 0 1 0 18922049 5738496 998 1992294400 134512640 136485738 4288688192 18446744073709551615 135350335 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 1401 998 196 482 0 917 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5604

[startup+0.101251 s]
/proc/loadavg: 0.91 0.97 0.99 3/106 25096
/proc/meminfo: memFree=1712600/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=9912 CPUtime=0.09
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2122 0 0 0 9 0 0 0 20 0 1 0 18922049 10149888 2043 1992294400 134512640 136485738 4288688192 18446744073709551615 135848188 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2478 2043 208 482 0 1994 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9912

[startup+0.300273 s]
/proc/loadavg: 0.91 0.97 0.99 3/106 25096
/proc/meminfo: memFree=1712600/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=10300 CPUtime=0.29
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2215 0 0 0 26 3 0 0 20 0 1 0 18922049 10547200 2136 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2575 2136 223 482 0 2091 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10300

[startup+0.70032 s]
/proc/loadavg: 0.91 0.97 0.99 3/106 25096
/proc/meminfo: memFree=1712600/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=10428 CPUtime=0.69
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2256 0 0 0 61 8 0 0 20 0 1 0 18922049 10678272 2177 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2607 2177 223 482 0 2123 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10428

[startup+1.50041 s]
/proc/loadavg: 0.91 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1704532/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=10556 CPUtime=1.49
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2287 0 0 0 133 16 0 0 22 0 1 0 18922049 10809344 2208 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2639 2208 223 482 0 2155 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10556

[startup+3.1006 s]
/proc/loadavg: 0.91 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1704160/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=10684 CPUtime=3.09
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2323 0 0 0 275 34 0 0 25 0 1 0 18922049 10940416 2244 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2671 2244 223 482 0 2187 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10684

[startup+6.30098 s]
/proc/loadavg: 0.92 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703912/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=10944 CPUtime=6.29
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2392 0 0 0 560 69 0 0 25 0 1 0 18922049 11206656 2313 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2736 2313 223 482 0 2252 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10944

[startup+12.7007 s]
/proc/loadavg: 0.92 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703424/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=11204 CPUtime=12.68
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2457 0 0 0 1128 140 0 0 25 0 1 0 18922049 11472896 2378 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2801 2378 223 482 0 2317 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 11204

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

[startup+15.9011 s]
/proc/loadavg: 0.93 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703424/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=11336 CPUtime=15.88
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2466 0 0 0 1415 173 0 0 25 0 1 0 18922049 11608064 2387 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2834 2387 223 482 0 2350 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 11336

[startup+19.1005 s]
/proc/loadavg: 0.93 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703424/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=11336 CPUtime=19.08
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2471 0 0 0 1700 208 0 0 25 0 1 0 18922049 11608064 2392 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2834 2392 223 482 0 2350 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 11336

[startup+19.9006 s]
/proc/loadavg: 0.93 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703424/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=11336 CPUtime=19.88
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2471 0 0 0 1771 217 0 0 25 0 1 0 18922049 11608064 2392 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2834 2392 223 482 0 2350 0
Current children cumulated CPU time (s) 19.88
Current children cumulated vsize (KiB) 11336

[startup+20.3006 s]
/proc/loadavg: 0.93 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703424/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=11336 CPUtime=20.29
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2471 0 0 0 1808 221 0 0 25 0 1 0 18922049 11608064 2392 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2834 2392 223 482 0 2350 0
Current children cumulated CPU time (s) 20.29
Current children cumulated vsize (KiB) 11336

[startup+20.5006 s]
/proc/loadavg: 0.93 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703424/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=11336 CPUtime=20.48
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2471 0 0 0 1825 223 0 0 25 0 1 0 18922049 11608064 2392 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2834 2392 223 482 0 2350 0
Current children cumulated CPU time (s) 20.48
Current children cumulated vsize (KiB) 11336

[startup+20.6007 s]
/proc/loadavg: 0.93 0.97 0.99 2/107 25097
/proc/meminfo: memFree=1703424/2059040 swapFree=4136464/4192956
[pid=25096] ppid=25094 vsize=11336 CPUtime=20.58
/proc/25096/stat : 25096 (pbct) R 25094 25096 23834 0 -1 4202496 2471 0 0 0 1834 224 0 0 25 0 1 0 18922049 11608064 2392 1992294400 134512640 136485738 4288688192 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/25096/statm: 2834 2392 223 482 0 2350 0
Current children cumulated CPU time (s) 20.58
Current children cumulated vsize (KiB) 11336

Child status: 0
Real time (s): 20.6641
CPU time (s): 20.6589
CPU user time (s): 18.4062
CPU system time (s): 2.25266
CPU usage (%): 99.9746
Max. virtual memory (cumulated for all children) (KiB): 11336

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 18.4062
system time used= 2.25266
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2495
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= 1
involuntary context switches= 23

runsolver used 0.037994 second user time and 0.099984 second system time

The end

Launcher Data 

Begin job on node001 at 2010-06-13 14:46:20
IDJOB=2669004
IDBENCH=1347
IDSOLVER=1170
FILE ID=node001/2669004-1276433180
PBS_JOBID= 11173305
Free space on /tmp= 62392 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900547461.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669004-1276433180/watcher-2669004-1276433180 -o /tmp/evaluation-result-2669004-1276433180/solver-2669004-1276433180 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669004-1276433180.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 851f60b4bba13dc8ad4e48be942c1c37
RANDOM SEED=1673392793

node001.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	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.202
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.202
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1713128 kB
Buffers:        105024 kB
Cached:         154240 kB
SwapCached:      16988 kB
Active:         139220 kB
Inactive:       140180 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1713128 kB
SwapTotal:     4192956 kB
SwapFree:      4136464 kB
Dirty:            2176 kB
Writeback:           4 kB
AnonPages:       10956 kB
Mapped:           9228 kB
Slab:            44864 kB
PageTables:       3940 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181860 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62388 MiB
End job on node001 at 2010-06-13 14:46:41