Trace number 2668977

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 1.68974 1.68988

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900670756.opb
MD5SUM11371eec29d871c470e0cb7778802319
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 benchmark1.01784
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 683
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
1.59/1.66	c 1.46978 10.4531 2713 11224
1.59/1.66	s SATISFIABLE
1.59/1.66	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-2668977-1276432917/watcher-2668977-1276432917 -o /tmp/evaluation-result-2668977-1276432917/solver-2668977-1276432917 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668977-1276432917.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: 1.05 1.01 1.05 3/106 22471
/proc/meminfo: memFree=1841640/2059040 swapFree=4140380/4192956
[pid=22471] ppid=22469 vsize=2208 CPUtime=0
/proc/22471/stat : 22471 (pbct) R 22469 22471 21207 0 -1 4202496 253 0 0 0 0 0 0 0 22 0 1 0 18893489 2260992 176 1992294400 134512640 136485738 4293099536 18446744073709551615 135848230 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22471/statm: 552 176 156 482 0 68 0

[startup+0.0818201 s]
/proc/loadavg: 1.05 1.01 1.05 3/106 22471
/proc/meminfo: memFree=1841640/2059040 swapFree=4140380/4192956
[pid=22471] ppid=22469 vsize=7344 CPUtime=0.07
/proc/22471/stat : 22471 (pbct) R 22469 22471 21207 0 -1 4202496 1497 0 0 0 7 0 0 0 22 0 1 0 18893489 7520256 1420 1992294400 134512640 136485738 4293099536 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22471/statm: 1836 1426 197 482 0 1352 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 7344

[startup+0.101822 s]
/proc/loadavg: 1.05 1.01 1.05 3/106 22471
/proc/meminfo: memFree=1841640/2059040 swapFree=4140380/4192956
[pid=22471] ppid=22469 vsize=9912 CPUtime=0.09
/proc/22471/stat : 22471 (pbct) R 22469 22471 21207 0 -1 4202496 2122 0 0 0 8 1 0 0 22 0 1 0 18893489 10149888 2043 1992294400 134512640 136485738 4293099536 18446744073709551615 134948163 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22471/statm: 2478 2043 208 482 0 1994 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9912

[startup+0.301844 s]
/proc/loadavg: 1.05 1.01 1.05 3/106 22471
/proc/meminfo: memFree=1841640/2059040 swapFree=4140380/4192956
[pid=22471] ppid=22469 vsize=10300 CPUtime=0.29
/proc/22471/stat : 22471 (pbct) R 22469 22471 21207 0 -1 4202496 2219 0 0 0 25 4 0 0 22 0 1 0 18893489 10547200 2140 1992294400 134512640 136485738 4293099536 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22471/statm: 2575 2140 223 482 0 2091 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10300

[startup+0.701891 s]
/proc/loadavg: 1.05 1.01 1.05 3/106 22471
/proc/meminfo: memFree=1841640/2059040 swapFree=4140380/4192956
[pid=22471] ppid=22469 vsize=10568 CPUtime=0.69
/proc/22471/stat : 22471 (pbct) R 22469 22471 21207 0 -1 4202496 2271 0 0 0 61 8 0 0 24 0 1 0 18893489 10821632 2192 1992294400 134512640 136485738 4293099536 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22471/statm: 2642 2192 223 482 0 2158 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10568

[startup+1.50098 s]
/proc/loadavg: 1.05 1.01 1.05 2/107 22472
/proc/meminfo: memFree=1833696/2059040 swapFree=4140380/4192956
[pid=22471] ppid=22469 vsize=10568 CPUtime=1.49
/proc/22471/stat : 22471 (pbct) R 22469 22471 21207 0 -1 4202496 2297 0 0 0 132 17 0 0 25 0 1 0 18893489 10821632 2218 1992294400 134512640 136485738 4293099536 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22471/statm: 2642 2218 223 482 0 2158 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10568

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

[startup+1.60099 s]
/proc/loadavg: 1.05 1.01 1.05 2/107 22472
/proc/meminfo: memFree=1833696/2059040 swapFree=4140380/4192956
[pid=22471] ppid=22469 vsize=10568 CPUtime=1.59
/proc/22471/stat : 22471 (pbct) R 22469 22471 21207 0 -1 4202496 2299 0 0 0 141 18 0 0 25 0 1 0 18893489 10821632 2220 1992294400 134512640 136485738 4293099536 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22471/statm: 2642 2220 223 482 0 2158 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 10568

Child status: 0
Real time (s): 1.68988
CPU time (s): 1.68974
CPU user time (s): 1.49577
CPU system time (s): 0.19397
CPU usage (%): 99.9918
Max. virtual memory (cumulated for all children) (KiB): 10568

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.49577
system time used= 0.19397
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2326
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= 6

runsolver used 0.003999 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node009 at 2010-06-13 14:41:57
IDJOB=2668977
IDBENCH=1319
IDSOLVER=1170
FILE ID=node009/2668977-1276432917
PBS_JOBID= 11173311
Free space on /tmp= 62444 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900670756.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668977-1276432917/watcher-2668977-1276432917 -o /tmp/evaluation-result-2668977-1276432917/solver-2668977-1276432917 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668977-1276432917.opb

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

MD5SUM BENCH= 11371eec29d871c470e0cb7778802319
RANDOM SEED=947854582

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:       1842292 kB
Buffers:         31352 kB
Cached:         107064 kB
SwapCached:       6004 kB
Active:          92724 kB
Inactive:        58436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1842292 kB
SwapTotal:     4192956 kB
SwapFree:      4140380 kB
Dirty:            2216 kB
Writeback:           0 kB
AnonPages:       10892 kB
Mapped:          12916 kB
Slab:            43932 kB
PageTables:       4064 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   179572 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= 62440 MiB
End job on node009 at 2010-06-13 14:41:59