Trace number 2682601

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 fixedUNSAT 85.0641 85.0879

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900557574.opb
MD5SUM5107a201bfa7ecd84a67ffb212d048dd
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark7.50286
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 689
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
84.96/85.06	c 75.9405 12.1523 1014 553412
84.96/85.08	s UNSATISFIABLE

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682601-1277475936/watcher-2682601-1277475936 -o /tmp/evaluation-result-2682601-1277475936/solver-2682601-1277475936 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682601-1277475936.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: 0.99 0.67 0.29 3/105 30368
/proc/meminfo: memFree=1742276/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=2136 CPUtime=0
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 246 0 0 0 0 0 0 0 20 0 1 0 88884947 2187264 165 1992294400 134512640 136421960 4291259920 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30368/statm: 534 165 144 467 0 65 0

[startup+0.0495881 s]
/proc/loadavg: 0.99 0.67 0.29 3/105 30368
/proc/meminfo: memFree=1742276/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=4800 CPUtime=0.04
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 917 0 0 0 4 0 0 0 20 0 1 0 88884947 4915200 836 1992294400 134512640 136421960 4291259920 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 1233 837 187 467 0 764 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4800

[startup+0.101594 s]
/proc/loadavg: 0.99 0.67 0.29 3/105 30368
/proc/meminfo: memFree=1742276/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=10100 CPUtime=0.09
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2173 0 0 0 9 0 0 0 20 0 1 0 88884947 10342400 2090 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2525 2090 213 467 0 2056 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10100

[startup+0.300619 s]
/proc/loadavg: 0.99 0.67 0.29 3/105 30368
/proc/meminfo: memFree=1742276/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=10228 CPUtime=0.29
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2213 0 0 0 26 3 0 0 20 0 1 0 88884947 10473472 2130 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2557 2130 213 467 0 2088 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10228

[startup+0.70067 s]
/proc/loadavg: 0.99 0.67 0.29 3/105 30368
/proc/meminfo: memFree=1742276/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=10360 CPUtime=0.69
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2253 0 0 0 61 8 0 0 20 0 1 0 88884947 10608640 2170 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2590 2170 213 467 0 2121 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10360

[startup+1.50077 s]
/proc/loadavg: 0.99 0.67 0.29 2/106 30369
/proc/meminfo: memFree=1734208/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=10488 CPUtime=1.49
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2281 0 0 0 132 17 0 0 22 0 1 0 88884947 10739712 2198 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2622 2198 213 467 0 2153 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10488

[startup+3.10097 s]
/proc/loadavg: 0.99 0.67 0.29 2/106 30369
/proc/meminfo: memFree=1733960/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=10616 CPUtime=3.09
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2323 0 0 0 274 35 0 0 25 0 1 0 88884947 10870784 2240 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2654 2240 213 467 0 2185 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10616

[startup+6.30037 s]
/proc/loadavg: 0.99 0.67 0.29 2/106 30369
/proc/meminfo: memFree=1733588/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=10880 CPUtime=6.29
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2388 0 0 0 557 72 0 0 25 0 1 0 88884947 11141120 2305 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2720 2305 213 467 0 2251 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10880

[startup+12.7012 s]
/proc/loadavg: 0.99 0.68 0.29 2/106 30369
/proc/meminfo: memFree=1733092/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=11136 CPUtime=12.69
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2448 0 0 0 1131 138 0 0 25 0 1 0 88884947 11403264 2365 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2784 2365 213 467 0 2315 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11136

[startup+25.5008 s]
/proc/loadavg: 0.99 0.69 0.30 2/106 30369
/proc/meminfo: memFree=1732844/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=11524 CPUtime=25.48
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2540 0 0 0 2253 295 0 0 25 0 1 0 88884947 11800576 2457 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 2881 2457 213 467 0 2412 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 11524

[startup+51.101 s]
/proc/loadavg: 0.99 0.72 0.32 2/106 30369
/proc/meminfo: memFree=1732348/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12040 CPUtime=51.08
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2668 0 0 0 4537 571 0 0 25 0 1 0 88884947 12328960 2585 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3010 2585 213 467 0 2541 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 12040

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

[startup+63.9016 s]
/proc/loadavg: 0.99 0.73 0.33 2/106 30371
/proc/meminfo: memFree=1732224/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12172 CPUtime=63.88
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2704 0 0 0 5691 697 0 0 25 0 1 0 88884947 12464128 2621 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3043 2621 213 467 0 2574 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 12172

[startup+76.7012 s]
/proc/loadavg: 0.99 0.74 0.34 2/106 30371
/proc/meminfo: memFree=1732100/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12304 CPUtime=76.67
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2729 0 0 0 6840 827 0 0 25 0 1 0 88884947 12599296 2646 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3076 2646 213 467 0 2607 0
Current children cumulated CPU time (s) 76.67
Current children cumulated vsize (KiB) 12304

[startup+79.9016 s]
/proc/loadavg: 0.99 0.74 0.34 2/106 30371
/proc/meminfo: memFree=1732100/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12304 CPUtime=79.87
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2746 0 0 0 7134 853 0 0 25 0 1 0 88884947 12599296 2663 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3076 2663 213 467 0 2607 0
Current children cumulated CPU time (s) 79.87
Current children cumulated vsize (KiB) 12304

[startup+83.101 s]
/proc/loadavg: 0.99 0.74 0.34 2/106 30371
/proc/meminfo: memFree=1731728/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12440 CPUtime=83.07
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2748 0 0 0 7419 888 0 0 25 0 1 0 88884947 12738560 2665 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3110 2665 213 467 0 2641 0
Current children cumulated CPU time (s) 83.07
Current children cumulated vsize (KiB) 12440

[startup+83.9011 s]
/proc/loadavg: 0.99 0.75 0.34 2/106 30371
/proc/meminfo: memFree=1731728/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12440 CPUtime=83.87
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2748 0 0 0 7490 897 0 0 25 0 1 0 88884947 12738560 2665 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3110 2665 213 467 0 2641 0
Current children cumulated CPU time (s) 83.87
Current children cumulated vsize (KiB) 12440

[startup+84.7082 s]
/proc/loadavg: 0.99 0.75 0.34 2/106 30371
/proc/meminfo: memFree=1731728/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12440 CPUtime=84.68
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2748 0 0 0 7562 906 0 0 25 0 1 0 88884947 12738560 2665 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3110 2665 213 467 0 2641 0
Current children cumulated CPU time (s) 84.68
Current children cumulated vsize (KiB) 12440

[startup+84.9012 s]
/proc/loadavg: 0.99 0.75 0.34 2/106 30371
/proc/meminfo: memFree=1731728/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12440 CPUtime=84.87
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2748 0 0 0 7579 908 0 0 25 0 1 0 88884947 12738560 2665 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3110 2665 213 467 0 2641 0
Current children cumulated CPU time (s) 84.87
Current children cumulated vsize (KiB) 12440

[startup+85.0012 s]
/proc/loadavg: 0.99 0.75 0.34 2/106 30371
/proc/meminfo: memFree=1731728/2059040 swapFree=4140268/4192956
[pid=30368] ppid=30366 vsize=12440 CPUtime=84.96
/proc/30368/stat : 30368 (pbct) R 30366 30368 30198 0 -1 4202496 2748 0 0 0 7588 908 0 0 25 0 1 0 88884947 12738560 2665 1992294400 134512640 136421960 4291259920 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30368/statm: 3110 2665 213 467 0 2641 0
Current children cumulated CPU time (s) 84.96
Current children cumulated vsize (KiB) 12440

Child status: 0
Real time (s): 85.0879
CPU time (s): 85.0641
CPU user time (s): 75.9655
CPU system time (s): 9.09862
CPU usage (%): 99.972
Max. virtual memory (cumulated for all children) (KiB): 12440

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 75.9655
system time used= 9.09862
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2774
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= 277

runsolver used 0.138978 second user time and 0.411937 second system time

The end

Launcher Data 

Begin job on node054 at 2010-06-25 16:25:36
IDJOB=2682601
IDBENCH=1350
IDSOLVER=1192
FILE ID=node054/2682601-1277475936
PBS_JOBID= 11190493
Free space on /tmp= 62432 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900557574.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682601-1277475936/watcher-2682601-1277475936 -o /tmp/evaluation-result-2682601-1277475936/solver-2682601-1277475936 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682601-1277475936.opb

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

MD5SUM BENCH= 5107a201bfa7ecd84a67ffb212d048dd
RANDOM SEED=1070030283

node054.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		: 3000.217
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	: 6000.43
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		: 3000.217
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:       1742804 kB
Buffers:         39136 kB
Cached:         176324 kB
SwapCached:       5568 kB
Active:         135852 kB
Inactive:        92584 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1742804 kB
SwapTotal:     4192956 kB
SwapFree:      4140268 kB
Dirty:            2028 kB
Writeback:           0 kB
AnonPages:       11580 kB
Mapped:          11936 kB
Slab:            65932 kB
PageTables:       4152 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182440 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62428 MiB
End job on node054 at 2010-06-25 16:27:01