Trace number 359693

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, and are wall clock time (not CPU 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
PBS4 2007-03-23UNSAT 24.7322 24.7405

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900564824.opb
MD5SUMba7629ec9d43ef12b6ab9587104e8a0f
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark2.49662
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
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 813
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 (download as text)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/359693-1176940391/instance-359693-1176940391.opb ......
24.68/24.73	c done parsing opb.
24.68/24.73	s UNSATISFIABLE
24.68/24.73	c Total Run Time					24.7072

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/359693-1176940391/instance-359693-1176940391.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node57/watcher-359693-1176940391 -o ROOT/results/node57/solver-359693-1176940391 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/359693-1176940391/PBS4 /tmp/evaluation/359693-1176940391/instance-359693-1176940391.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): 3600 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 14161
/proc/meminfo: memFree=1459672/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=1324 CPUtime=0
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 139 0 0 0 0 0 0 0 18 0 1 0 135175034 1355776 121 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134590670 0 0 4096 0 0 0 0 17 1 0 0
/proc/14161/statm: 331 121 87 219 0 108 0

[startup+0.0919059 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 14161
/proc/meminfo: memFree=1459672/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=1604 CPUtime=0.08
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 247 0 0 0 8 0 0 0 18 0 1 0 135175034 1642496 229 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 401 229 92 219 0 178 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1604

[startup+0.101904 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 14161
/proc/meminfo: memFree=1459672/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=1604 CPUtime=0.09
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 253 0 0 0 9 0 0 0 18 0 1 0 135175034 1642496 235 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 401 235 92 219 0 178 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1604

[startup+0.301921 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 14161
/proc/meminfo: memFree=1459672/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=2568 CPUtime=0.29
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 372 0 0 0 29 0 0 0 19 0 1 0 135175034 2629632 354 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 642 354 93 219 0 419 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2568

[startup+0.701956 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 14161
/proc/meminfo: memFree=1459672/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=3784 CPUtime=0.69
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 602 0 0 0 68 1 0 0 22 0 1 0 135175034 3874816 535 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 946 535 94 219 0 723 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3784

[startup+1.50103 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1457424/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=4176 CPUtime=1.49
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 891 0 0 0 147 2 0 0 25 0 1 0 135175034 4276224 824 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 1044 824 94 219 0 821 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4176

[startup+3.10116 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1455888/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=7012 CPUtime=3.09
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 1401 0 0 0 306 3 0 0 25 0 1 0 135175034 7180288 1237 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 1753 1237 94 219 0 1530 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7012

[startup+6.30144 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1452944/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=12572 CPUtime=6.29
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 2271 0 0 0 623 6 0 0 25 0 1 0 135175034 12873728 1914 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 3143 1914 94 219 0 2920 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 12572

[startup+12.702 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1449296/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=13716 CPUtime=12.69
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 3025 0 0 0 1261 8 0 0 25 0 1 0 135175034 14045184 2668 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 3429 2668 94 219 0 3206 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 13716

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

[startup+19.1016 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1447632/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=16020 CPUtime=19.08
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 3810 0 0 0 1898 10 0 0 25 0 1 0 135175034 16404480 3068 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 4005 3068 94 219 0 3782 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 16020

[startup+22.3018 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1447056/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=16472 CPUtime=22.28
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 3946 0 0 0 2217 11 0 0 25 0 1 0 135175034 16867328 3204 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 4118 3204 94 219 0 3895 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 16472

[startup+23.902 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1446672/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=16608 CPUtime=23.89
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 4053 0 0 0 2377 12 0 0 25 0 1 0 135175034 17006592 3311 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134547196 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 4152 3311 94 219 0 3929 0
Current children cumulated CPU time (s) 23.89
Current children cumulated vsize (KiB) 16608

[startup+24.302 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1446544/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=16780 CPUtime=24.29
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 4103 0 0 0 2417 12 0 0 25 0 1 0 135175034 17182720 3361 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134547173 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 4195 3361 94 219 0 3972 0
Current children cumulated CPU time (s) 24.29
Current children cumulated vsize (KiB) 16780

[startup+24.701 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 14162
/proc/meminfo: memFree=1446544/2055920 swapFree=4177380/4192956
[pid=14161] ppid=14159 vsize=16780 CPUtime=24.68
/proc/14161/stat : 14161 (PBS4) R 14159 14161 13659 0 -1 4194304 4108 0 0 0 2456 12 0 0 25 0 1 0 135175034 17182720 3366 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 134547308 0 0 4096 16384 0 0 0 17 1 0 0
/proc/14161/statm: 4195 3366 94 219 0 3972 0
Current children cumulated CPU time (s) 24.68
Current children cumulated vsize (KiB) 16780

Child status: 0
Real time (s): 24.7405
CPU time (s): 24.7322
CPU user time (s): 24.6033
CPU system time (s): 0.12898
CPU usage (%): 99.9667
Max. virtual memory (cumulated for all children) (KiB): 16780

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.6033
system time used= 0.12898
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4124
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= 8
involuntary context switches= 22

runsolver used 0.019996 second user time and 0.056991 second system time

The end

Launcher Data (download as text)

Begin job on node57 on Wed Apr 18 23:53:11 UTC 2007

IDJOB= 359693
IDBENCH= 1313
IDSOLVER= 157
FILE ID= node57/359693-1176940391

PBS_JOBID= 4605703

Free space on /tmp= 66455 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900564824.opb
COMMAND LINE= /tmp/evaluation/359693-1176940391/PBS4 /tmp/evaluation/359693-1176940391/instance-359693-1176940391.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node57/convwatcher-359693-1176940391 -o ROOT/results/node57/conversion-359693-1176940391 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/359693-1176940391/instance-359693-1176940391.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node57/watcher-359693-1176940391 -o ROOT/results/node57/solver-359693-1176940391 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/359693-1176940391/PBS4 /tmp/evaluation/359693-1176940391/instance-359693-1176940391.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  ba7629ec9d43ef12b6ab9587104e8a0f

RANDOM SEED= 916918866

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node57.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.239
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.239
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1460144 kB
Buffers:         22936 kB
Cached:         515256 kB
SwapCached:       9276 kB
Active:         110328 kB
Inactive:       443272 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1460144 kB
SwapTotal:     4192956 kB
SwapFree:      4177380 kB
Dirty:            1220 kB
Writeback:           0 kB
Mapped:          15720 kB
Slab:            28272 kB
Committed_AS:   886728 kB
PageTables:       1408 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66455 MiB

End job on node57 on Wed Apr 18 23:53:36 UTC 2007