Trace number 2682548

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 2.79357 2.79485

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900559641.opb
MD5SUMc2e77d8de924d260285f4c10724de488
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 benchmark0.545916
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 659
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
2.69/2.76	c 2.45263 10.5117 1989 19969
2.69/2.76	s SATISFIABLE
2.69/2.76	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-2682548-1277475687/watcher-2682548-1277475687 -o /tmp/evaluation-result-2682548-1277475687/solver-2682548-1277475687 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682548-1277475687.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: 0.60 0.17 0.05 3/106 26915
/proc/meminfo: memFree=1826408/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=2136 CPUtime=0
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 247 0 0 0 0 0 0 0 20 0 1 0 88863733 2187264 166 1992294400 134512640 136421960 4291156080 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/26915/statm: 534 166 144 467 0 65 0

[startup+0.052394 s]
/proc/loadavg: 0.60 0.17 0.05 3/106 26915
/proc/meminfo: memFree=1826408/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=5268 CPUtime=0.04
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 996 0 0 0 4 0 0 0 20 0 1 0 88863733 5394432 915 1992294400 134512640 136421960 4291156080 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/26915/statm: 1317 916 193 467 0 848 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 5268

[startup+0.101397 s]
/proc/loadavg: 0.60 0.17 0.05 3/106 26915
/proc/meminfo: memFree=1826408/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=10100 CPUtime=0.09
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 2174 0 0 0 9 0 0 0 20 0 1 0 88863733 10342400 2091 1992294400 134512640 136421960 4291156080 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/26915/statm: 2525 2091 213 467 0 2056 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10100

[startup+0.301411 s]
/proc/loadavg: 0.60 0.17 0.05 3/106 26915
/proc/meminfo: memFree=1826408/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=10228 CPUtime=0.29
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 2216 0 0 0 25 4 0 0 20 0 1 0 88863733 10473472 2133 1992294400 134512640 136421960 4291156080 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/26915/statm: 2557 2134 213 467 0 2088 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10228

[startup+0.701438 s]
/proc/loadavg: 0.60 0.17 0.05 3/106 26915
/proc/meminfo: memFree=1826408/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=10364 CPUtime=0.69
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 2262 0 0 0 61 8 0 0 20 0 1 0 88863733 10612736 2179 1992294400 134512640 136421960 4291156080 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/26915/statm: 2591 2179 213 467 0 2122 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10364

[startup+1.50149 s]
/proc/loadavg: 0.63 0.18 0.06 2/107 26916
/proc/meminfo: memFree=1818340/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=10496 CPUtime=1.49
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 2293 0 0 0 132 17 0 0 23 0 1 0 88863733 10747904 2210 1992294400 134512640 136421960 4291156080 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/26915/statm: 2624 2210 213 467 0 2155 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10496

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

[startup+2.30155 s]
/proc/loadavg: 0.63 0.18 0.06 2/107 26916
/proc/meminfo: memFree=1817844/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=10760 CPUtime=2.29
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 2341 0 0 0 204 25 0 0 25 0 1 0 88863733 11018240 2258 1992294400 134512640 136421960 4291156080 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/26915/statm: 2690 2258 213 467 0 2221 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 10760

[startup+2.70158 s]
/proc/loadavg: 0.63 0.18 0.06 2/107 26916
/proc/meminfo: memFree=1817844/2059040 swapFree=4140168/4192956
[pid=26915] ppid=26913 vsize=10760 CPUtime=2.69
/proc/26915/stat : 26915 (pbct) R 26913 26915 26780 0 -1 4202496 2341 0 0 0 239 30 0 0 25 0 1 0 88863733 11018240 2258 1992294400 134512640 136421960 4291156080 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/26915/statm: 2690 2258 213 467 0 2221 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 10760

Child status: 0
Real time (s): 2.79485
CPU time (s): 2.79357
CPU user time (s): 2.47662
CPU system time (s): 0.316951
CPU usage (%): 99.9542
Max. virtual memory (cumulated for all children) (KiB): 10760

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.47662
system time used= 0.316951
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2368
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= 33

runsolver used 0.007998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node034 at 2010-06-25 16:21:27
IDJOB=2682548
IDBENCH=1292
IDSOLVER=1192
FILE ID=node034/2682548-1277475687
PBS_JOBID= 11190510
Free space on /tmp= 62436 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900559641.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682548-1277475687/watcher-2682548-1277475687 -o /tmp/evaluation-result-2682548-1277475687/solver-2682548-1277475687 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682548-1277475687.opb

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

MD5SUM BENCH= c2e77d8de924d260285f4c10724de488
RANDOM SEED=1847070724

node034.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		: 3000.242
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	: 6000.48
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		: 3000.242
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1826936 kB
Buffers:         39308 kB
Cached:          91412 kB
SwapCached:       5348 kB
Active:          62968 kB
Inactive:        80680 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1826936 kB
SwapTotal:     4192956 kB
SwapFree:      4140168 kB
Dirty:            1980 kB
Writeback:           4 kB
AnonPages:       11460 kB
Mapped:          12032 kB
Slab:            66616 kB
PageTables:       4148 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181800 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= 62432 MiB
End job on node034 at 2010-06-25 16:21:30