Trace number 2669014

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 24.8502 24.8554

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900547353.opb
MD5SUM1244ba923c89d5b50543f7b2d235ee00
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 benchmark2.02769
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 745
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
0.02/0.04	c constraints 23/0 clauses 2684/0 units 0
0.02/0.04	c vars 231
24.78/24.82	c 21.9557 11.2422 2674 169061
24.78/24.82	s SATISFIABLE
24.78/24.82	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-2669014-1276433287/watcher-2669014-1276433287 -o /tmp/evaluation-result-2669014-1276433287/solver-2669014-1276433287 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669014-1276433287.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: 1.00 1.00 1.04 3/106 22896
/proc/meminfo: memFree=1824816/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=2208 CPUtime=0
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 255 0 0 0 0 0 0 0 20 0 1 0 18932664 2260992 177 1992294400 134512640 136485738 4293156512 18446744073709551615 135844704 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22896/statm: 552 177 156 482 0 68 0

[startup+0.0236771 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 22896
/proc/meminfo: memFree=1824816/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=2208 CPUtime=0.02
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 264 0 0 0 2 0 0 0 20 0 1 0 18932664 2260992 186 1992294400 134512640 136485738 4293156512 18446744073709551615 134548729 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22896/statm: 552 186 156 482 0 68 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2208

[startup+0.100684 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 22896
/proc/meminfo: memFree=1824816/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=9912 CPUtime=0.09
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2124 0 0 0 9 0 0 0 20 0 1 0 18932664 10149888 2044 1992294400 134512640 136485738 4293156512 18446744073709551615 134946071 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2478 2044 208 482 0 1994 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9912

[startup+0.300699 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 22896
/proc/meminfo: memFree=1824816/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=10300 CPUtime=0.29
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2220 0 0 0 26 3 0 0 20 0 1 0 18932664 10547200 2140 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2575 2140 223 482 0 2091 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10300

[startup+0.700732 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 22896
/proc/meminfo: memFree=1824816/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=10432 CPUtime=0.69
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2265 0 0 0 62 7 0 0 20 0 1 0 18932664 10682368 2185 1992294400 134512640 136485738 4293156512 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2608 2185 223 482 0 2124 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10432

[startup+1.5008 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1816748/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=10568 CPUtime=1.49
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2287 0 0 0 133 16 0 0 22 0 1 0 18932664 10821632 2207 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2642 2207 223 482 0 2158 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10568

[startup+3.10093 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1816376/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=10828 CPUtime=3.09
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2342 0 0 0 273 36 0 0 25 0 1 0 18932664 11087872 2262 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2707 2262 223 482 0 2223 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10828

[startup+6.30019 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1816004/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=10976 CPUtime=6.28
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2388 0 0 0 555 73 0 0 25 0 1 0 18932664 11239424 2308 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2744 2308 223 482 0 2260 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 10976

[startup+12.7017 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1815508/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=11108 CPUtime=12.68
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2439 0 0 0 1120 148 0 0 25 0 1 0 18932664 11374592 2359 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2777 2359 223 482 0 2293 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 11108

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

[startup+19.1012 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1815384/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=11368 CPUtime=19.08
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2475 0 0 0 1690 218 0 0 25 0 1 0 18932664 11640832 2395 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2842 2395 223 482 0 2358 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 11368

[startup+22.3015 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1815260/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=11508 CPUtime=22.29
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2505 0 0 0 1972 257 0 0 25 0 1 0 18932664 11784192 2425 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2877 2425 223 482 0 2393 0
Current children cumulated CPU time (s) 22.29
Current children cumulated vsize (KiB) 11508

[startup+23.9006 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1815260/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=11508 CPUtime=23.89
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2513 0 0 0 2113 276 0 0 25 0 1 0 18932664 11784192 2433 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2877 2433 223 482 0 2393 0
Current children cumulated CPU time (s) 23.89
Current children cumulated vsize (KiB) 11508

[startup+24.3006 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1815260/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=11508 CPUtime=24.29
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2516 0 0 0 2149 280 0 0 25 0 1 0 18932664 11784192 2436 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2877 2436 223 482 0 2393 0
Current children cumulated CPU time (s) 24.29
Current children cumulated vsize (KiB) 11508

[startup+24.7007 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1815260/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=11508 CPUtime=24.69
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2516 0 0 0 2184 285 0 0 25 0 1 0 18932664 11784192 2436 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2877 2436 223 482 0 2393 0
Current children cumulated CPU time (s) 24.69
Current children cumulated vsize (KiB) 11508

[startup+24.8007 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 22897
/proc/meminfo: memFree=1815260/2059040 swapFree=4140200/4192956
[pid=22896] ppid=22894 vsize=11508 CPUtime=24.78
/proc/22896/stat : 22896 (pbct) R 22894 22896 22226 0 -1 4202496 2516 0 0 0 2192 286 0 0 25 0 1 0 18932664 11784192 2436 1992294400 134512640 136485738 4293156512 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22896/statm: 2877 2436 223 482 0 2393 0
Current children cumulated CPU time (s) 24.78
Current children cumulated vsize (KiB) 11508

Child status: 0
Real time (s): 24.8554
CPU time (s): 24.8502
CPU user time (s): 21.9817
CPU system time (s): 2.86856
CPU usage (%): 99.979
Max. virtual memory (cumulated for all children) (KiB): 11508

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.9817
system time used= 2.86856
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2540
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= 2
involuntary context switches= 89

runsolver used 0.045993 second user time and 0.119981 second system time

The end

Launcher Data 

Begin job on node003 at 2010-06-13 14:48:07
IDJOB=2669014
IDBENCH=1359
IDSOLVER=1170
FILE ID=node003/2669014-1276433287
PBS_JOBID= 11173303
Free space on /tmp= 62556 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900547353.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669014-1276433287/watcher-2669014-1276433287 -o /tmp/evaluation-result-2669014-1276433287/solver-2669014-1276433287 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669014-1276433287.opb

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

MD5SUM BENCH= 1244ba923c89d5b50543f7b2d235ee00
RANDOM SEED=262994542

node003.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		: 3000.251
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	: 6000.50
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		: 3000.251
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1825220 kB
Buffers:         31060 kB
Cached:         124588 kB
SwapCached:       5704 kB
Active:          97688 kB
Inactive:        70436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1825220 kB
SwapTotal:     4192956 kB
SwapFree:      4140200 kB
Dirty:            1984 kB
Writeback:           0 kB
AnonPages:       11088 kB
Mapped:          13012 kB
Slab:            43932 kB
PageTables:       3968 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182552 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= 62552 MiB
End job on node003 at 2010-06-13 14:48:32