Trace number 2668971

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 21.0738 21.0787

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900544463.opb
MD5SUMf0a3f077b037562c6d43175608b1ae5a
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 benchmark0.246962
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 653
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
20.99/21.05	c 18.8531 11.207 2978 127434
20.99/21.05	s SATISFIABLE
20.99/21.05	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-2668971-1276432861/watcher-2668971-1276432861 -o /tmp/evaluation-result-2668971-1276432861/solver-2668971-1276432861 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668971-1276432861.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: 0.99 0.98 0.99 3/106 24557
/proc/meminfo: memFree=1826468/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=2208 CPUtime=0
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 253 0 0 0 0 0 0 0 22 0 1 0 18889732 2260992 176 1992294400 134512640 136485738 4293595232 18446744073709551615 135415704 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24557/statm: 552 176 156 482 0 68 0

[startup+0.104111 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 24557
/proc/meminfo: memFree=1826468/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=10040 CPUtime=0.1
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2128 0 0 0 9 1 0 0 22 0 1 0 18889732 10280960 2049 1992294400 134512640 136485738 4293595232 18446744073709551615 134607831 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2510 2049 208 482 0 2026 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 10040

[startup+0.201122 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 24557
/proc/meminfo: memFree=1826468/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=10172 CPUtime=0.19
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2197 0 0 0 16 3 0 0 22 0 1 0 18889732 10416128 2118 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2543 2118 223 482 0 2059 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 10172

[startup+0.301132 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 24557
/proc/meminfo: memFree=1826468/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=10300 CPUtime=0.29
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2216 0 0 0 26 3 0 0 22 0 1 0 18889732 10547200 2137 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2575 2137 223 482 0 2091 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10300

[startup+0.701179 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 24557
/proc/meminfo: memFree=1826468/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=10556 CPUtime=0.69
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2267 0 0 0 60 9 0 0 23 0 1 0 18889732 10809344 2188 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2639 2188 223 482 0 2155 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10556

[startup+1.50127 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1818276/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=10688 CPUtime=1.49
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2316 0 0 0 133 16 0 0 25 0 1 0 18889732 10944512 2237 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2672 2237 223 482 0 2188 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10688

[startup+3.10146 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817904/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=10688 CPUtime=3.09
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2330 0 0 0 274 35 0 0 25 0 1 0 18889732 10944512 2251 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2672 2251 223 482 0 2188 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10688

[startup+6.30083 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817532/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11084 CPUtime=6.29
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2403 0 0 0 558 71 0 0 25 0 1 0 18889732 11350016 2324 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2771 2324 223 482 0 2287 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11084

[startup+12.7016 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817160/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11212 CPUtime=12.69
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2456 0 0 0 1135 134 0 0 25 0 1 0 18889732 11481088 2377 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2803 2377 223 482 0 2319 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11212

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

[startup+12.8016 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817160/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11212 CPUtime=12.79
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2457 0 0 0 1144 135 0 0 25 0 1 0 18889732 11481088 2378 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2803 2378 223 482 0 2319 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 11212

[startup+16.0009 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817160/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11344 CPUtime=15.99
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2466 0 0 0 1430 169 0 0 25 0 1 0 18889732 11616256 2387 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2836 2387 223 482 0 2352 0
Current children cumulated CPU time (s) 15.99
Current children cumulated vsize (KiB) 11344

[startup+19.2013 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817160/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11344 CPUtime=19.19
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2477 0 0 0 1717 202 0 0 25 0 1 0 18889732 11616256 2398 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2836 2398 223 482 0 2352 0
Current children cumulated CPU time (s) 19.19
Current children cumulated vsize (KiB) 11344

[startup+20.0014 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817160/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11344 CPUtime=19.99
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2482 0 0 0 1789 210 0 0 25 0 1 0 18889732 11616256 2403 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2836 2403 223 482 0 2352 0
Current children cumulated CPU time (s) 19.99
Current children cumulated vsize (KiB) 11344

[startup+20.8015 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817160/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11344 CPUtime=20.79
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2485 0 0 0 1863 216 0 0 25 0 1 0 18889732 11616256 2406 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2836 2406 223 482 0 2352 0
Current children cumulated CPU time (s) 20.79
Current children cumulated vsize (KiB) 11344

[startup+21.0085 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 24558
/proc/meminfo: memFree=1817160/2059040 swapFree=4140112/4192956
[pid=24557] ppid=24555 vsize=11472 CPUtime=20.99
/proc/24557/stat : 24557 (pbct) R 24555 24557 24181 0 -1 4202496 2507 0 0 0 1881 218 0 0 25 0 1 0 18889732 11747328 2428 1992294400 134512640 136485738 4293595232 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24557/statm: 2868 2428 223 482 0 2384 0
Current children cumulated CPU time (s) 20.99
Current children cumulated vsize (KiB) 11472

Child status: 0
Real time (s): 21.0787
CPU time (s): 21.0738
CPU user time (s): 18.8781
CPU system time (s): 2.19567
CPU usage (%): 99.977
Max. virtual memory (cumulated for all children) (KiB): 11472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 18.8781
system time used= 2.19567
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2531
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= 63

runsolver used 0.035994 second user time and 0.109983 second system time

The end

Launcher Data 

Begin job on node006 at 2010-06-13 14:41:01
IDJOB=2668971
IDBENCH=1311
IDSOLVER=1170
FILE ID=node006/2668971-1276432861
PBS_JOBID= 11173315
Free space on /tmp= 62472 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900544463.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668971-1276432861/watcher-2668971-1276432861 -o /tmp/evaluation-result-2668971-1276432861/solver-2668971-1276432861 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668971-1276432861.opb

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

MD5SUM BENCH= f0a3f077b037562c6d43175608b1ae5a
RANDOM SEED=1031054144

node006.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		: 3000.204
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		: 3000.204
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:       1826872 kB
Buffers:         27312 kB
Cached:         124396 kB
SwapCached:       6336 kB
Active:          30744 kB
Inactive:       134336 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1826872 kB
SwapTotal:     4192956 kB
SwapFree:      4140112 kB
Dirty:            2012 kB
Writeback:           0 kB
AnonPages:       11796 kB
Mapped:          13032 kB
Slab:            45240 kB
PageTables:       3940 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182528 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= 62472 MiB
End job on node006 at 2010-06-13 14:41:22