Trace number 2682696

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 59.0555 29.6055

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/
uclid_pb_benchmarks/normalized-ooo.tag12.ucl.opb
MD5SUM6d44efaff34237725f88a3d0685c8f91
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 benchmark30.4184
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables20605
Total number of constraints59851
Number of constraints which are clauses58675
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1176
Minimum length of a constraint1
Maximum length of a constraint11
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 41
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 134
Number of bits of the biggest sum of numbers8
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
0.59/0.65	c constraints 1176/0 clauses 58645/0 units 13
0.59/0.65	c vars 20605
28.48/28.58	c 28.1377 211.465 2681 26162
29.47/29.58	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-2682696-1277476408/watcher-2682696-1277476408 -o /tmp/evaluation-result-2682696-1277476408/solver-2682696-1277476408 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682696-1277476408.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: 0.94 0.91 0.54 3/106 27875
/proc/meminfo: memFree=1877588/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=2136 CPUtime=0
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 246 0 0 0 0 0 0 0 24 0 1 0 88933488 2187264 166 1992294400 134512640 136421960 4294923552 18446744073709551615 134561360 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/27875/statm: 534 166 144 467 0 65 0

[startup+0.0924339 s]
/proc/loadavg: 0.94 0.91 0.54 3/106 27875
/proc/meminfo: memFree=1877588/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=2400 CPUtime=0.09
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 323 0 0 0 9 0 0 0 25 0 1 0 88933488 2457600 243 1992294400 134512640 136421960 4294923552 18446744073709551615 135809629 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/27875/statm: 600 243 144 467 0 131 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2400

[startup+0.100434 s]
/proc/loadavg: 0.94 0.91 0.54 3/106 27875
/proc/meminfo: memFree=1877588/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=2532 CPUtime=0.09
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 331 0 0 0 9 0 0 0 25 0 1 0 88933488 2592768 251 1992294400 134512640 136421960 4294923552 18446744073709551615 135154800 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/27875/statm: 633 251 144 467 0 164 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2532

[startup+0.300451 s]
/proc/loadavg: 0.94 0.91 0.54 3/106 27875
/proc/meminfo: memFree=1877588/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=3192 CPUtime=0.29
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 513 0 0 0 29 0 0 0 25 0 1 0 88933488 3268608 433 1992294400 134512640 136421960 4294923552 18446744073709551615 135523818 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/27875/statm: 798 433 144 467 0 329 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3192

[startup+0.700487 s]
/proc/loadavg: 0.94 0.91 0.54 3/106 27875
/proc/meminfo: memFree=1877588/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=11648 CPUtime=0.69
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 2609 0 0 0 68 1 0 0 25 0 1 0 88933488 11927552 2496 1992294400 134512640 136421960 4294923552 18446744073709551615 135829965 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 2912 2497 187 467 0 2443 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 11648

[startup+1.50056 s]
/proc/loadavg: 0.94 0.91 0.54 2/107 27876
/proc/meminfo: memFree=1835420/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=95244 CPUtime=1.49
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 24869 0 0 0 138 11 0 0 25 0 1 0 88933488 97529856 23086 1992294400 134512640 136421960 4294923552 18446744073709551615 134771945 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 23811 23088 187 467 0 23342 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 95244

[startup+3.1007 s]
/proc/loadavg: 0.94 0.91 0.54 2/107 27876
/proc/meminfo: memFree=1692572/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=214636 CPUtime=3.09
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 55629 0 0 0 285 24 0 0 25 0 1 0 88933488 219787264 51660 1992294400 134512640 136421960 4294923552 18446744073709551615 135006021 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 53659 51660 213 467 0 53190 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 214636

[startup+6.30097 s]
/proc/loadavg: 0.94 0.91 0.54 2/107 27878
/proc/meminfo: memFree=1670996/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=214900 CPUtime=6.29
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 55696 0 0 0 602 27 0 0 25 0 1 0 88933488 220057600 51727 1992294400 134512640 136421960 4294923552 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 53725 51727 213 467 0 53256 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 214900

[startup+12.7015 s]
/proc/loadavg: 0.95 0.91 0.55 2/107 27878
/proc/meminfo: memFree=1670252/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=215580 CPUtime=12.68
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 55892 0 0 0 1237 31 0 0 25 0 1 0 88933488 220753920 51923 1992294400 134512640 136421960 4294923552 18446744073709551615 134861890 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 53895 51923 213 467 0 53426 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 215580

[startup+25.5006 s]
/proc/loadavg: 0.96 0.91 0.55 2/107 27878
/proc/meminfo: memFree=1669384/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=216536 CPUtime=25.47
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 56134 0 0 0 2506 41 0 0 25 0 1 0 88933488 221732864 52165 1992294400 134512640 136421960 4294923552 18446744073709551615 135028519 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 54134 52165 213 467 0 53665 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 216536

############
# WARNING:
# current cumulated CPU time (0 s) is less than in the last sample (29.47 s)
# The time of a child was probably not reported to its father.
# (see the two samples below)
# Adding the difference (29.47 s) to the 'lost time'.

[startup+29.501 s]
/proc/loadavg: 0.96 0.91 0.55 2/107 27878
/proc/meminfo: memFree=1669384/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=192092 CPUtime=29.47
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 56159 0 0 0 2905 42 0 0 25 0 1 0 88933488 196702208 47699 1992294400 134512640 136421960 4294923552 18446744073709551615 135801351 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 48023 47699 237 467 0 47554 0
Current children cumulated CPU time (s) 29.47
Current children cumulated vsize (KiB) 192092

[startup+29.601 s]
/proc/loadavg: 0.96 0.91 0.56 2/107 27878
/proc/meminfo: memFree=1835792/2059040 swapFree=4139448/4192956
[pid=27875] ppid=-1 vsize=0 CPUtime=0
/proc/27875/stat : -- couldn't open stat file --/proc/27875/statm: Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
#
############


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

[startup+27.1008 s]
/proc/loadavg: 0.96 0.91 0.55 2/107 27878
/proc/meminfo: memFree=1669384/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=216536 CPUtime=27.07
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 56134 0 0 0 2665 42 0 0 25 0 1 0 88933488 221732864 52165 1992294400 134512640 136421960 4294923552 18446744073709551615 134854836 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 54134 52165 213 467 0 53665 0
Current children cumulated CPU time (s) 27.07
Current children cumulated vsize (KiB) 216536

[startup+28.7009 s]
/proc/loadavg: 0.96 0.91 0.55 2/107 27878
/proc/meminfo: memFree=1669384/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=212912 CPUtime=28.67
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 56159 0 0 0 2825 42 0 0 25 0 1 0 88933488 218021888 51374 1992294400 134512640 136421960 4294923552 18446744073709551615 135818227 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 53228 51374 237 467 0 52759 0
Current children cumulated CPU time (s) 28.67
Current children cumulated vsize (KiB) 212912

[startup+29.101 s]
/proc/loadavg: 0.96 0.91 0.55 2/107 27878
/proc/meminfo: memFree=1669384/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=203968 CPUtime=29.07
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 56159 0 0 0 2865 42 0 0 25 0 1 0 88933488 208863232 49525 1992294400 134512640 136421960 4294923552 18446744073709551615 134701503 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 50992 49525 237 467 0 50523 0
Current children cumulated CPU time (s) 29.07
Current children cumulated vsize (KiB) 203968

[startup+29.501 s]
/proc/loadavg: 0.96 0.91 0.55 2/107 27878
/proc/meminfo: memFree=1669384/2059040 swapFree=4139448/4192956
[pid=27875] ppid=27873 vsize=192092 CPUtime=29.47
/proc/27875/stat : 27875 (pbct) R 27873 27875 27421 0 -1 4202496 56159 0 0 0 2905 42 0 0 25 0 1 0 88933488 196702208 47699 1992294400 134512640 136421960 4294923552 18446744073709551615 135801351 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27875/statm: 48023 47699 237 467 0 47554 0
Current children cumulated CPU time (s) 29.47
Current children cumulated vsize (KiB) 192092

[startup+29.601 s]
/proc/loadavg: 0.96 0.91 0.56 2/107 27878
/proc/meminfo: memFree=1835792/2059040 swapFree=4139448/4192956
[pid=27875] ppid=-1 vsize=0 CPUtime=0
/proc/27875/stat : -- couldn't open stat file --/proc/27875/statm: Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0

Child status: 0

# WARNING:
# The CPU time of some children was not reported to their father
# (probably because of a missing or aborted wait()).
# This 'lost CPU time' is added to the watched process CPU time.
#  lost CPU time (s): 29.47
#  lost CPU user time (s): 29.05
#  lost CPU system time (s): 0.42

Real time (s): 29.6055
CPU time (s): 59.0555
CPU user time (s): 58.1836
CPU system time (s): 0.871931
CPU usage (%): 199.475
Max. virtual memory (cumulated for all children) (KiB): 216536

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 29.1336
system time used= 0.451931
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 56160
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= 97

runsolver used 0.048992 second user time and 0.153976 second system time

The end

Launcher Data 

Begin job on node041 at 2010-06-25 16:33:28
IDJOB=2682696
IDBENCH=1450
IDSOLVER=1192
FILE ID=node041/2682696-1277476408
PBS_JOBID= 11190504
Free space on /tmp= 61672 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-ooo.tag12.ucl.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682696-1277476408/watcher-2682696-1277476408 -o /tmp/evaluation-result-2682696-1277476408/solver-2682696-1277476408 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682696-1277476408.opb

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

MD5SUM BENCH= 6d44efaff34237725f88a3d0685c8f91
RANDOM SEED=381414971

node041.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		: 3000.251
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	: 6000.50
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		: 3000.251
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	: 5599.48
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1878168 kB
Buffers:         11620 kB
Cached:          76752 kB
SwapCached:       5816 kB
Active:          29748 kB
Inactive:        71052 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1878168 kB
SwapTotal:     4192956 kB
SwapFree:      4139448 kB
Dirty:            3584 kB
Writeback:          28 kB
AnonPages:       11352 kB
Mapped:          11884 kB
Slab:            57836 kB
PageTables:       4172 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181044 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= 61672 MiB
End job on node041 at 2010-06-25 16:33:58