Trace number 2668996

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 47.9417 47.9602

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900565527.opb
MD5SUM2e8fe4d521f8ec7159487f71439b9947
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 benchmark0.029994
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 709
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
47.87/47.93	c 42.6085 11.6992 5493 303747
47.87/47.93	s SATISFIABLE
47.87/47.93	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-2668996-1276433129/watcher-2668996-1276433129 -o /tmp/evaluation-result-2668996-1276433129/solver-2668996-1276433129 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668996-1276433129.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: 1.06 1.01 1.00 3/106 23903
/proc/meminfo: memFree=1834296/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=2208 CPUtime=0
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 254 0 0 0 0 0 0 0 20 0 1 0 18914335 2260992 176 1992294400 134512640 136485738 4292285712 18446744073709551615 134519939 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23903/statm: 552 176 156 482 0 68 0

[startup+0.0850481 s]
/proc/loadavg: 1.06 1.01 1.00 3/106 23903
/proc/meminfo: memFree=1834296/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=8928 CPUtime=0.07
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 1922 0 0 0 7 0 0 0 20 0 1 0 18914335 9142272 1844 1992294400 134512640 136485738 4292285712 18446744073709551615 135848207 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2232 1844 197 482 0 1748 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 8928

[startup+0.101051 s]
/proc/loadavg: 1.06 1.01 1.00 3/106 23903
/proc/meminfo: memFree=1834296/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=9912 CPUtime=0.09
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2123 0 0 0 9 0 0 0 20 0 1 0 18914335 10149888 2043 1992294400 134512640 136485738 4292285712 18446744073709551615 134948217 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2478 2043 208 482 0 1994 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9912

[startup+0.301084 s]
/proc/loadavg: 1.06 1.01 1.00 3/106 23903
/proc/meminfo: memFree=1834296/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=10300 CPUtime=0.29
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2218 0 0 0 26 3 0 0 20 0 1 0 18914335 10547200 2138 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2575 2138 223 482 0 2091 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10300

[startup+0.701153 s]
/proc/loadavg: 1.06 1.01 1.00 3/106 23903
/proc/meminfo: memFree=1834296/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=10556 CPUtime=0.69
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2271 0 0 0 62 7 0 0 20 0 1 0 18914335 10809344 2191 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2639 2191 223 482 0 2155 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10556

[startup+1.50129 s]
/proc/loadavg: 1.06 1.01 1.00 2/107 23904
/proc/meminfo: memFree=1826228/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=10556 CPUtime=1.49
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2295 0 0 0 132 17 0 0 23 0 1 0 18914335 10809344 2215 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2639 2215 223 482 0 2155 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10556

[startup+3.10057 s]
/proc/loadavg: 1.05 1.01 1.00 2/107 23904
/proc/meminfo: memFree=1825856/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=10684 CPUtime=3.09
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2331 0 0 0 275 34 0 0 25 0 1 0 18914335 10940416 2251 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2671 2251 223 482 0 2187 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10684

[startup+6.30111 s]
/proc/loadavg: 1.05 1.01 1.00 2/107 23904
/proc/meminfo: memFree=1825484/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=10944 CPUtime=6.29
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2387 0 0 0 560 69 0 0 25 0 1 0 18914335 11206656 2307 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2736 2307 223 482 0 2252 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10944

[startup+12.7002 s]
/proc/loadavg: 1.04 1.01 1.00 2/107 23904
/proc/meminfo: memFree=1825236/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11072 CPUtime=12.69
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2426 0 0 0 1126 143 0 0 25 0 1 0 18914335 11337728 2346 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2768 2346 223 482 0 2284 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11072

[startup+25.5014 s]
/proc/loadavg: 1.04 1.00 1.00 2/107 23906
/proc/meminfo: memFree=1824740/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11592 CPUtime=25.48
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2546 0 0 0 2263 285 0 0 25 0 1 0 18914335 11870208 2466 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2898 2466 223 482 0 2414 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 11592

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

[startup+38.3006 s]
/proc/loadavg: 1.03 1.00 1.00 2/107 23906
/proc/meminfo: memFree=1824492/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11720 CPUtime=38.27
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2581 0 0 0 3409 418 0 0 25 0 1 0 18914335 12001280 2501 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2930 2501 223 482 0 2446 0
Current children cumulated CPU time (s) 38.27
Current children cumulated vsize (KiB) 11720

[startup+44.7007 s]
/proc/loadavg: 1.03 1.00 1.00 2/107 23906
/proc/meminfo: memFree=1824492/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11720 CPUtime=44.67
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2583 0 0 0 3976 491 0 0 25 0 1 0 18914335 12001280 2503 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2930 2503 223 482 0 2446 0
Current children cumulated CPU time (s) 44.67
Current children cumulated vsize (KiB) 11720

[startup+46.301 s]
/proc/loadavg: 1.03 1.00 1.00 2/107 23906
/proc/meminfo: memFree=1824492/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11720 CPUtime=46.27
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2584 0 0 0 4117 510 0 0 25 0 1 0 18914335 12001280 2504 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2930 2504 223 482 0 2446 0
Current children cumulated CPU time (s) 46.27
Current children cumulated vsize (KiB) 11720

[startup+47.1011 s]
/proc/loadavg: 1.03 1.00 1.00 2/107 23906
/proc/meminfo: memFree=1824492/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11720 CPUtime=47.08
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2584 0 0 0 4187 521 0 0 25 0 1 0 18914335 12001280 2504 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2930 2504 223 482 0 2446 0
Current children cumulated CPU time (s) 47.08
Current children cumulated vsize (KiB) 11720

[startup+47.5012 s]
/proc/loadavg: 1.02 1.00 1.00 2/107 23906
/proc/meminfo: memFree=1824492/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11976 CPUtime=47.47
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2630 0 0 0 4222 525 0 0 25 0 1 0 18914335 12263424 2550 1992294400 134512640 136485738 4292285712 18446744073709551615 134921049 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2994 2550 223 482 0 2510 0
Current children cumulated CPU time (s) 47.47
Current children cumulated vsize (KiB) 11976

[startup+47.9002 s]
/proc/loadavg: 1.02 1.00 1.00 2/107 23906
/proc/meminfo: memFree=1824492/2059040 swapFree=4140084/4192956
[pid=23903] ppid=23901 vsize=11976 CPUtime=47.87
/proc/23903/stat : 23903 (pbct) R 23901 23903 22881 0 -1 4202496 2630 0 0 0 4257 530 0 0 25 0 1 0 18914335 12263424 2550 1992294400 134512640 136485738 4292285712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23903/statm: 2994 2550 223 482 0 2510 0
Current children cumulated CPU time (s) 47.87
Current children cumulated vsize (KiB) 11976

Child status: 0
Real time (s): 47.9602
CPU time (s): 47.9417
CPU user time (s): 42.6325
CPU system time (s): 5.30919
CPU usage (%): 99.9614
Max. virtual memory (cumulated for all children) (KiB): 11976

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 42.6325
system time used= 5.30919
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2654
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= 712

runsolver used 0.077988 second user time and 0.235964 second system time

The end

Launcher Data 

Begin job on node014 at 2010-06-13 14:45:30
IDJOB=2668996
IDBENCH=1339
IDSOLVER=1170
FILE ID=node014/2668996-1276433129
PBS_JOBID= 11173301
Free space on /tmp= 62464 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900565527.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668996-1276433129/watcher-2668996-1276433129 -o /tmp/evaluation-result-2668996-1276433129/solver-2668996-1276433129 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668996-1276433129.opb

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

MD5SUM BENCH= 2e8fe4d521f8ec7159487f71439b9947
RANDOM SEED=420506723

node014.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		: 3000.258
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	: 6000.51
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		: 3000.258
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1834824 kB
Buffers:         11576 kB
Cached:         123064 kB
SwapCached:       6872 kB
Active:          77752 kB
Inactive:        70760 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1834824 kB
SwapTotal:     4192956 kB
SwapFree:      4140084 kB
Dirty:            2008 kB
Writeback:           0 kB
AnonPages:       11720 kB
Mapped:          13000 kB
Slab:            53944 kB
PageTables:       4020 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181720 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= 62464 MiB
End job on node014 at 2010-06-13 14:46:18