Trace number 2669112

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 0.1UNSAT 1.91071 1.91093

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/
uclid_pb_benchmarks/normalized-blast-floppy1-7.ucl.opb
MD5SUMd632a3ec068dee28f1b227f8201fa32b
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 benchmark0.043992
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables2913
Total number of constraints3105
Number of constraints which are clauses2259
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints846
Minimum length of a constraint1
Maximum length of a constraint25
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 6518
Number of bits of the biggest number in a constraint 13
Biggest sum of numbers in a constraint 18803
Number of bits of the biggest sum of numbers15
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
0.20/0.22	c constraints 846/0 clauses 1592/0 units 391
0.20/0.22	c vars 2913
1.39/1.49	c 1.40079 87.6992 2 2024
1.89/1.90	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-2669112-1276435461/watcher-2669112-1276435461 -o /tmp/evaluation-result-2669112-1276435461/solver-2669112-1276435461 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669112-1276435461.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: 1.00 1.00 1.00 3/106 22814
/proc/meminfo: memFree=1816520/2059040 swapFree=4140388/4192956
[pid=22814] ppid=22812 vsize=2208 CPUtime=0
/proc/22814/stat : 22814 (pbct) R 22812 22814 21007 0 -1 4202496 256 0 0 0 0 0 0 0 22 0 1 0 19149965 2260992 178 1992294400 134512640 136485738 4291967424 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22814/statm: 552 178 156 482 0 68 0

[startup+0.0959999 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 22814
/proc/meminfo: memFree=1816520/2059040 swapFree=4140388/4192956
[pid=22814] ppid=22812 vsize=3792 CPUtime=0.09
/proc/22814/stat : 22814 (pbct) R 22812 22814 21007 0 -1 4202496 664 0 0 0 9 0 0 0 22 0 1 0 19149965 3883008 586 1992294400 134512640 136485738 4291967424 18446744073709551615 135415736 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22814/statm: 948 587 157 482 0 464 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3792

[startup+0.101 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 22814
/proc/meminfo: memFree=1816520/2059040 swapFree=4140388/4192956
[pid=22814] ppid=22812 vsize=3924 CPUtime=0.1
/proc/22814/stat : 22814 (pbct) R 22812 22814 21007 0 -1 4202496 685 0 0 0 10 0 0 0 22 0 1 0 19149965 4018176 607 1992294400 134512640 136485738 4291967424 18446744073709551615 134539785 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22814/statm: 981 607 158 482 0 497 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3924

[startup+0.301019 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 22814
/proc/meminfo: memFree=1816520/2059040 swapFree=4140388/4192956
[pid=22814] ppid=22812 vsize=11564 CPUtime=0.29
/proc/22814/stat : 22814 (pbct) R 22812 22814 21007 0 -1 4202496 2572 0 0 0 29 0 0 0 22 0 1 0 19149965 11841536 2494 1992294400 134512640 136485738 4291967424 18446744073709551615 135868589 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22814/statm: 2924 2501 196 482 0 2440 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11564

[startup+0.701057 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 22814
/proc/meminfo: memFree=1816520/2059040 swapFree=4140388/4192956
[pid=22814] ppid=22812 vsize=35648 CPUtime=0.69
/proc/22814/stat : 22814 (pbct) R 22812 22814 21007 0 -1 4202496 8864 0 0 0 66 3 0 0 23 0 1 0 19149965 36503552 8347 1992294400 134512640 136485738 4291967424 18446744073709551615 134802743 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22814/statm: 8912 8348 196 482 0 8428 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 35648

[startup+1.50113 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 22815
/proc/meminfo: memFree=1767160/2059040 swapFree=4140388/4192956
[pid=22814] ppid=22812 vsize=88980 CPUtime=1.49
/proc/22814/stat : 22814 (pbct) R 22812 22814 21007 0 -1 4202496 22810 0 0 0 140 9 0 0 25 0 1 0 19149965 91115520 20957 1992294400 134512640 136485738 4291967424 18446744073709551615 135844708 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22814/statm: 22245 20957 244 482 0 21761 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 88980

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

[startup+1.90117 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 22815
/proc/meminfo: memFree=1767160/2059040 swapFree=4140388/4192956
[pid=22814] ppid=22812 vsize=77516 CPUtime=1.89
/proc/22814/stat : 22814 (pbct) R 22812 22814 21007 0 -1 4202496 22811 0 0 0 180 9 0 0 25 0 1 0 19149965 79376384 19070 1992294400 134512640 136485738 4291967424 18446744073709551615 135839925 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22814/statm: 19379 19070 245 482 0 18895 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 77516

Child status: 0
Real time (s): 1.91093
CPU time (s): 1.91071
CPU user time (s): 1.80672
CPU system time (s): 0.103984
CPU usage (%): 99.9885
Max. virtual memory (cumulated for all children) (KiB): 88980

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.80672
system time used= 0.103984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 22812
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= 2
involuntary context switches= 7

runsolver used 0.004999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node004 at 2010-06-13 15:24:21
IDJOB=2669112
IDBENCH=1460
IDSOLVER=1170
FILE ID=node004/2669112-1276435461
PBS_JOBID= 11173308
Free space on /tmp= 62536 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-blast-floppy1-7.ucl.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669112-1276435461/watcher-2669112-1276435461 -o /tmp/evaluation-result-2669112-1276435461/solver-2669112-1276435461 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669112-1276435461.opb

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

MD5SUM BENCH= d632a3ec068dee28f1b227f8201fa32b
RANDOM SEED=1169736023

node004.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		: 3000.210
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	: 6000.42
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		: 3000.210
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:       1817048 kB
Buffers:         35324 kB
Cached:         127684 kB
SwapCached:       6560 kB
Active:          94752 kB
Inactive:        81716 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1817048 kB
SwapTotal:     4192956 kB
SwapFree:      4140388 kB
Dirty:            2296 kB
Writeback:           0 kB
AnonPages:       11300 kB
Mapped:          12960 kB
Slab:            43852 kB
PageTables:       3972 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180876 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= 62536 MiB
End job on node004 at 2010-06-13 15:24:23