Trace number 2684213

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 NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1UNSAT 1.46378 1.46392

General information on the benchmark

Name/OPT-BIGINT-LIN/leberre/opb-trendy/misc2010/
random/rand.newlist/normalized-randc5b1f2.cudf.trendy.opb
MD5SUM6aafe628c204287c66baba06106fbd9b
Bench CategoryOPT-BIGINT-LIN (optimisation, big 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 benchmark0.32295
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables6597
Total number of constraints27303
Number of constraints which are clauses27036
Number of constraints which are cardinality constraints (but not clauses)267
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint553
Number of terms in the objective function 3110
Biggest coefficient in the objective function 3774555693
Number of bits for the biggest coefficient in the objective function 32
Sum of the numbers in the objective function 2083549895042
Number of bits of the sum of numbers in the objective function 41
Biggest number in a constraint 3774555693
Number of bits of the biggest number in a constraint 32
Biggest sum of numbers in a constraint 2083549895042
Number of bits of the biggest sum of numbers41
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
0.29/0.32	c constraints 267/0 clauses 26475/0 units 559
0.29/0.32	c vars 6597
0.29/0.33	c objective 2753 + 0
1.00/1.10	c 1.01885 85.1523 0 0
1.39/1.45	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-2684213-1277514704/watcher-2684213-1277514704 -o /tmp/evaluation-result-2684213-1277514704/solver-2684213-1277514704 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2684213-1277514704.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: 1.26 1.06 1.02 3/106 30955
/proc/meminfo: memFree=1827892/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=2488 CPUtime=0
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 309 0 0 0 0 0 0 0 25 0 1 0 92764247 2547712 232 1992294400 134512640 136485738 4293535440 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30955/statm: 622 233 152 482 0 138 0

[startup+0.0775641 s]
/proc/loadavg: 1.26 1.06 1.02 3/106 30955
/proc/meminfo: memFree=1827892/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=2628 CPUtime=0.07
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 358 0 0 0 7 0 0 0 25 0 1 0 92764247 2691072 281 1992294400 134512640 136485738 4293535440 18446744073709551615 135559902 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30955/statm: 657 281 157 482 0 173 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2628

[startup+0.101566 s]
/proc/loadavg: 1.26 1.06 1.02 3/106 30955
/proc/meminfo: memFree=1827892/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=2628 CPUtime=0.1
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 376 0 0 0 10 0 0 0 25 0 1 0 92764247 2691072 299 1992294400 134512640 136485738 4293535440 18446744073709551615 135844774 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30955/statm: 657 299 157 482 0 173 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2628

[startup+0.301587 s]
/proc/loadavg: 1.26 1.06 1.02 3/106 30955
/proc/meminfo: memFree=1827892/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=3468 CPUtime=0.29
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 561 0 0 0 29 0 0 0 25 0 1 0 92764247 3551232 484 1992294400 134512640 136485738 4293535440 18446744073709551615 135178814 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30955/statm: 867 484 157 482 0 383 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3468

[startup+0.701628 s]
/proc/loadavg: 1.26 1.06 1.02 3/106 30955
/proc/meminfo: memFree=1827892/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=41496 CPUtime=0.7
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 10461 0 0 0 66 4 0 0 25 0 1 0 92764247 42491904 9837 1992294400 134512640 136485738 4293535440 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30955/statm: 10374 9838 198 482 0 9890 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 41496

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

[startup+1.10867 s]
/proc/loadavg: 1.26 1.06 1.02 2/107 30956
/proc/meminfo: memFree=1745300/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=86416 CPUtime=1.1
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 22459 0 0 0 102 8 0 0 25 0 1 0 92764247 88489984 20881 1992294400 134512640 136485738 4293535440 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30955/statm: 21604 20881 231 482 0 21120 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 86416

[startup+1.30169 s]
/proc/loadavg: 1.26 1.06 1.02 2/107 30956
/proc/meminfo: memFree=1745300/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=80228 CPUtime=1.29
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 22460 0 0 0 121 8 0 0 25 0 1 0 92764247 82153472 19657 1992294400 134512640 136485738 4293535440 18446744073709551615 135839895 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30955/statm: 20057 19657 232 482 0 19573 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 80228

[startup+1.4017 s]
/proc/loadavg: 1.26 1.06 1.02 2/107 30956
/proc/meminfo: memFree=1745300/2059040 swapFree=4139912/4192956
[pid=30955] ppid=30953 vsize=80228 CPUtime=1.39
/proc/30955/stat : 30955 (pbct) R 30953 30955 29393 0 -1 4202496 22460 0 0 0 131 8 0 0 25 0 1 0 92764247 82153472 19657 1992294400 134512640 136485738 4293535440 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30955/statm: 20057 19657 232 482 0 19573 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 80228

Child status: 0
Real time (s): 1.46392
CPU time (s): 1.46378
CPU user time (s): 1.36779
CPU system time (s): 0.095985
CPU usage (%): 99.9902
Max. virtual memory (cumulated for all children) (KiB): 86416

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.36779
system time used= 0.095985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 22463
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= 4

runsolver used 0.005999 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node083 at 2010-06-26 03:11:45
IDJOB=2684213
IDBENCH=72297
IDSOLVER=1170
FILE ID=node083/2684213-1277514704
PBS_JOBID= 11190591
Free space on /tmp= 62496 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB10/normalized-PB10/OPT-BIGINT-LIN/leberre/opb-trendy/misc2010/random/rand.newlist/normalized-randc5b1f2.cudf.trendy.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2684213-1277514704/watcher-2684213-1277514704 -o /tmp/evaluation-result-2684213-1277514704/solver-2684213-1277514704 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2684213-1277514704.opb

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

MD5SUM BENCH= 6aafe628c204287c66baba06106fbd9b
RANDOM SEED=1740486889

node083.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		: 3000.262
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	: 6000.52
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		: 3000.262
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	: 5999.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1828420 kB
Buffers:         27084 kB
Cached:         106776 kB
SwapCached:       5680 kB
Active:          96432 kB
Inactive:        50784 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1828420 kB
SwapTotal:     4192956 kB
SwapFree:      4139912 kB
Dirty:            3160 kB
Writeback:           8 kB
AnonPages:       11712 kB
Mapped:          12020 kB
Slab:            61440 kB
PageTables:       4180 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182600 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= 62492 MiB
End job on node083 at 2010-06-26 03:11:47