Trace number 2682568

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 0.1 fixedSAT 22.4766 22.4835

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900552311.opb
MD5SUM8d4daf979e4851393f5d9b0e5e4a390f
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 benchmark0.636902
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 703
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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.03	c constraints 23/0 clauses 2684/0 units 0
0.00/0.03	c vars 231
22.38/22.45	c 19.861 11.2539 4549 146461
22.38/22.45	s SATISFIABLE
22.38/22.45	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-2682568-1277475756/watcher-2682568-1277475756 -o /tmp/evaluation-result-2682568-1277475756/solver-2682568-1277475756 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682568-1277475756.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: 0.86 0.33 0.12 3/106 21864
/proc/meminfo: memFree=1824276/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=2136 CPUtime=0
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 246 0 0 0 0 0 0 0 20 0 1 0 123177365 2187264 166 1992294400 134512640 136421960 4286599328 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21864/statm: 534 166 144 467 0 65 0

[startup+0.0401031 s]
/proc/loadavg: 0.86 0.33 0.12 3/106 21864
/proc/meminfo: memFree=1824276/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=3836 CPUtime=0.03
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 652 0 0 0 3 0 0 0 20 0 1 0 123177365 3928064 572 1992294400 134512640 136421960 4286599328 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 959 574 187 467 0 490 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3836

[startup+0.101109 s]
/proc/loadavg: 0.86 0.33 0.12 3/106 21864
/proc/meminfo: memFree=1824276/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=10100 CPUtime=0.09
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2174 0 0 0 9 0 0 0 20 0 1 0 123177365 10342400 2092 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2525 2092 213 467 0 2056 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10100

[startup+0.301132 s]
/proc/loadavg: 0.86 0.33 0.12 3/106 21864
/proc/meminfo: memFree=1824276/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=10228 CPUtime=0.29
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2209 0 0 0 26 3 0 0 20 0 1 0 123177365 10473472 2127 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2557 2127 213 467 0 2088 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10228

[startup+0.701175 s]
/proc/loadavg: 0.86 0.33 0.12 3/106 21864
/proc/meminfo: memFree=1824276/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=10356 CPUtime=0.69
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2244 0 0 0 60 9 0 0 20 0 1 0 123177365 10604544 2162 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2589 2162 213 467 0 2120 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10356

[startup+1.50126 s]
/proc/loadavg: 0.86 0.33 0.12 2/107 21865
/proc/meminfo: memFree=1816332/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=10484 CPUtime=1.49
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2284 0 0 0 129 20 0 0 22 0 1 0 123177365 10735616 2202 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2621 2202 213 467 0 2152 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10484

[startup+3.10144 s]
/proc/loadavg: 0.86 0.33 0.12 2/107 21865
/proc/meminfo: memFree=1815836/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=10612 CPUtime=3.09
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2319 0 0 0 270 39 0 0 25 0 1 0 123177365 10866688 2237 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2653 2237 213 467 0 2184 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10612

[startup+6.3008 s]
/proc/loadavg: 0.87 0.35 0.12 2/107 21865
/proc/meminfo: memFree=1815588/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=10872 CPUtime=6.28
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2371 0 0 0 552 76 0 0 25 0 1 0 123177365 11132928 2289 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2718 2289 213 467 0 2249 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 10872

[startup+12.7015 s]
/proc/loadavg: 0.88 0.36 0.13 2/107 21865
/proc/meminfo: memFree=1815340/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=11128 CPUtime=12.69
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2431 0 0 0 1116 153 0 0 25 0 1 0 123177365 11395072 2349 1992294400 134512640 136421960 4286599328 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2782 2349 213 467 0 2313 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11128

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

[startup+19.1012 s]
/proc/loadavg: 0.90 0.38 0.14 2/107 21865
/proc/meminfo: memFree=1815092/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=11260 CPUtime=19.08
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2469 0 0 0 1685 223 0 0 25 0 1 0 123177365 11530240 2387 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2815 2387 213 467 0 2346 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 11260

[startup+20.7014 s]
/proc/loadavg: 0.90 0.38 0.14 2/107 21865
/proc/meminfo: memFree=1815092/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=11260 CPUtime=20.69
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2478 0 0 0 1828 241 0 0 25 0 1 0 123177365 11530240 2396 1992294400 134512640 136421960 4286599328 18446744073709551615 134861944 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2815 2396 213 467 0 2346 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 11260

[startup+21.5015 s]
/proc/loadavg: 0.90 0.38 0.14 2/107 21865
/proc/meminfo: memFree=1815092/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=11260 CPUtime=21.48
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2481 0 0 0 1899 249 0 0 25 0 1 0 123177365 11530240 2399 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2815 2399 213 467 0 2346 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 11260

[startup+21.9005 s]
/proc/loadavg: 0.90 0.38 0.14 2/107 21865
/proc/meminfo: memFree=1814968/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=11520 CPUtime=21.89
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2517 0 0 0 1936 253 0 0 25 0 1 0 123177365 11796480 2435 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2880 2435 213 467 0 2411 0
Current children cumulated CPU time (s) 21.89
Current children cumulated vsize (KiB) 11520

[startup+22.3006 s]
/proc/loadavg: 0.90 0.38 0.14 2/107 21865
/proc/meminfo: memFree=1814968/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=11520 CPUtime=22.28
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2519 0 0 0 1971 257 0 0 25 0 1 0 123177365 11796480 2437 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2880 2437 213 467 0 2411 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 11520

[startup+22.4006 s]
/proc/loadavg: 0.90 0.38 0.14 2/107 21865
/proc/meminfo: memFree=1814968/2059040 swapFree=4139972/4192956
[pid=21864] ppid=21862 vsize=11520 CPUtime=22.38
/proc/21864/stat : 21864 (pbct) R 21862 21864 21700 0 -1 4202496 2519 0 0 0 1980 258 0 0 25 0 1 0 123177365 11796480 2437 1992294400 134512640 136421960 4286599328 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/21864/statm: 2880 2437 213 467 0 2411 0
Current children cumulated CPU time (s) 22.38
Current children cumulated vsize (KiB) 11520

Child status: 0
Real time (s): 22.4835
CPU time (s): 22.4766
CPU user time (s): 19.887
CPU system time (s): 2.58961
CPU usage (%): 99.9693
Max. virtual memory (cumulated for all children) (KiB): 11520

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.887
system time used= 2.58961
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2546
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= 82

runsolver used 0.037994 second user time and 0.114982 second system time

The end

Launcher Data 

Begin job on node009 at 2010-06-25 16:22:36
IDJOB=2682568
IDBENCH=1316
IDSOLVER=1192
FILE ID=node009/2682568-1277475756
PBS_JOBID= 11190527
Free space on /tmp= 62400 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900552311.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682568-1277475756/watcher-2682568-1277475756 -o /tmp/evaluation-result-2682568-1277475756/solver-2682568-1277475756 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682568-1277475756.opb

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

MD5SUM BENCH= 8d4daf979e4851393f5d9b0e5e4a390f
RANDOM SEED=946470288

node009.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		: 3000.199
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	: 6000.39
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		: 3000.199
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1824796 kB
Buffers:         40528 kB
Cached:          91732 kB
SwapCached:       5492 kB
Active:          63532 kB
Inactive:        81684 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1824796 kB
SwapTotal:     4192956 kB
SwapFree:      4139972 kB
Dirty:            2096 kB
Writeback:           0 kB
AnonPages:       11576 kB
Mapped:          11932 kB
Slab:            67056 kB
PageTables:       4216 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181980 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= 62400 MiB
End job on node009 at 2010-06-25 16:22:59