Trace number 1877522

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
bsolo 3.1UNSAT 0.429934 0.429504

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/
normalized-ooo.burch_dill.4.accl.ucl.opb
MD5SUM5c27e468756746c81988dfb461940da4
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 benchmark0.261959
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables3939
Total number of constraints10412
Number of constraints which are clauses9740
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints672
Minimum length of a constraint1
Maximum length of a constraint13
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 69
Number of bits of the biggest number in a constraint 7
Biggest sum of numbers in a constraint 258
Number of bits of the biggest sum of numbers9
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 bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1877522-1245129123.opb
0.00/0.00	c File size is 340409 bytes.
0.00/0.04	c Highest Coefficient sum: 258
0.00/0.04	c Parsing was ok!!
0.00/0.04	c Total parsing time: 0.047 s
0.00/0.05	c Var: 3939 Constr: 10412 9740/0/672 Lit: 31122 Watch. Lit: 21625
0.00/0.05	c Obj. Vars: 0 (0 % of total variables)
0.29/0.31	c Pre-processing Time: 0.315 s
0.29/0.31	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.29/0.31	c        0   2143     5367    19418    3    11799   18544      0      0 0.32
0.29/0.31	c Switching off lower bounding mode.
0.39/0.42	c      101   2025     5537    20918    3    12934   20399    170    293 0.34
0.39/0.42	c      253   2025     5729    25191    4    13377   22439    362    653 0.39
0.39/0.42	c Backtracks by Clause: 395
0.39/0.42	c Backtracks by PB constraint: 0
0.39/0.42	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.39/0.42	c    2      395    132     1026     5879    27154    512    925 0.43
0.39/0.42	s UNSATISFIABLE
0.39/0.42	c Total time: 0.427 s

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-1877522-1245129123/watcher-1877522-1245129123 -o /tmp/evaluation-result-1877522-1245129123/solver-1877522-1245129123 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877522-1245129123.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: 0.92 0.97 0.99 3/64 2130
/proc/meminfo: memFree=1649512/2055920 swapFree=4192812/4192956
[pid=2130] ppid=2128 vsize=11044 CPUtime=0
/proc/2130/stat : 2130 (bsolo) R 2128 2130 2050 0 -1 4194304 255 0 0 0 0 0 0 0 18 0 1 0 180512883 11309056 239 1992294400 134512640 137136520 4294956256 18446744073709551615 134517592 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2130/statm: 2761 240 176 640 0 2033 0

[startup+0.0951671 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 2130
/proc/meminfo: memFree=1649512/2055920 swapFree=4192812/4192956
[pid=2130] ppid=2128 vsize=12936 CPUtime=0.08
/proc/2130/stat : 2130 (bsolo) R 2128 2130 2050 0 -1 4194304 913 0 0 0 8 0 0 0 18 0 1 0 180512883 13246464 813 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2130/statm: 3234 813 189 640 0 2590 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 12936

[startup+0.101168 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 2130
/proc/meminfo: memFree=1649512/2055920 swapFree=4192812/4192956
[pid=2130] ppid=2128 vsize=12936 CPUtime=0.09
/proc/2130/stat : 2130 (bsolo) R 2128 2130 2050 0 -1 4194304 914 0 0 0 9 0 0 0 18 0 1 0 180512883 13246464 814 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2130/statm: 3234 814 189 640 0 2590 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12936

[startup+0.301191 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 2130
/proc/meminfo: memFree=1649512/2055920 swapFree=4192812/4192956
[pid=2130] ppid=2128 vsize=13236 CPUtime=0.29
/proc/2130/stat : 2130 (bsolo) R 2128 2130 2050 0 -1 4194304 961 0 0 0 29 0 0 0 19 0 1 0 180512883 13553664 861 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2130/statm: 3309 861 193 640 0 2665 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 13236

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

[startup+0.401203 s]
/proc/loadavg: 0.92 0.97 0.99 3/64 2130
/proc/meminfo: memFree=1649512/2055920 swapFree=4192812/4192956
[pid=2130] ppid=2128 vsize=13108 CPUtime=0.39
/proc/2130/stat : 2130 (bsolo) R 2128 2130 2050 0 -1 4194304 966 0 0 0 39 0 0 0 19 0 1 0 180512883 13422592 866 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2130/statm: 3277 866 198 640 0 2633 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 13108

Child status: 0
Real time (s): 0.429504
CPU time (s): 0.429934
CPU user time (s): 0.418936
CPU system time (s): 0.010998
CPU usage (%): 100.1
Max. virtual memory (cumulated for all children) (KiB): 13236

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.418936
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 967
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= 0

runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node11 at 2009-06-16 07:12:03
IDJOB=1877522
IDBENCH=1469
IDSOLVER=699
FILE ID=node11/1877522-1245129123
PBS_JOBID= 9363717
Free space on /tmp= 66196 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-ooo.burch_dill.4.accl.ucl.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877522-1245129123/watcher-1877522-1245129123 -o /tmp/evaluation-result-1877522-1245129123/solver-1877522-1245129123 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877522-1245129123.opb

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

MD5SUM BENCH= 5c27e468756746c81988dfb461940da4
RANDOM SEED=906447542

node11.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.234
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		: 3000.234
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:       1649928 kB
Buffers:         28432 kB
Cached:         300756 kB
SwapCached:          0 kB
Active:          35964 kB
Inactive:       306540 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1649928 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4484 kB
Writeback:           0 kB
Mapped:          23136 kB
Slab:            49472 kB
Committed_AS:   172688 kB
PageTables:       1452 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= 66192 MiB
End job on node11 at 2009-06-16 07:12:03