Trace number 3712980

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
wbo 1.71OPTIMUM 1.54776 1.55136

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-ooo.burch_dill.2.accl.ucl--soft-33-100-0.wbo
MD5SUM43c69d80a873dc3228a1cf2a948ae102
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark1.54776
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables2152
Total number of constraints5613
Number of soft constraints3755
Number of constraints which are clauses5137
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints476
Minimum length of a constraint1
Maximum length of a constraint11
Top cost 190301
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 190300
Biggest number in a constraint 35
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 129
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 ==============================[ Solver Version ]===============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |   wbo:                    1.71 beta - May, 2012                            |
0.00/0.00	c |                                                                             |
0.00/0.00	c Parsing wbo file format. File HOME/instance-3712980-1338205551.wbo.
0.00/0.00	c Instance file HOME/instance-3712980-1338205551.wbo
0.00/0.00	c File size is 205833 bytes.
0.01/0.01	c Highest Coefficient sum: 129
0.01/0.01	c ============================[ Problem Statistics ]=============================
0.01/0.01	c |                                                                             |
0.01/0.01	c |  Parsing time:          0.02         s                                      |
0.01/0.01	c |  Number Variables:      5907                                                |
0.01/0.01	c |  Number Clauses:        5137                                                |
0.01/0.01	c |  Number Cardinality:    0                                                   |
0.01/0.01	c |  Number PB Constraints: 476                                                 |
0.01/0.01	c |                                                                             |
0.01/0.03	c |  Problem Type:          Optimization                                        |
0.01/0.03	c |  Objective Function:    PB Constraint                                       |
0.01/0.03	c |                                                                             |
0.01/0.03	c ============================[ Search Statistics ]==============================
0.01/0.03	c | Time (s)  | ID |      Bound      |               Shared Clauses             |
0.01/0.03	c |           |    | value      type |  expCls         impCls        Lit/impCl  |
0.01/0.03	c ===============================================================================
1.49/1.51	c | 1.51      | 0  | 1            lb |  0                0                0.00  |
1.49/1.54	c | 1.55      | 0  | 1            ub |  0                0                0.00  |
1.49/1.54	c ===============================================================================
1.49/1.54	c Wall Clock Time: 1.55 s
1.49/1.54	o 1
1.49/1.54	c Best Solution: 1
1.49/1.54	s OPTIMUM FOUND
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Verifier Data

OK	1

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3712980-1338205551/watcher-3712980-1338205551 -o /tmp/evaluation-result-3712980-1338205551/solver-3712980-1338205551 -C 1800 -W 1900 -M 15500 wbo1.71 -file-format=wbo HOME/instance-3712980-1338205551.wbo 

running on 4 cores: 1,3,5,7

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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 13008
/proc/meminfo: memFree=28574528/32873844 swapFree=7116/7116
[pid=13008] ppid=13006 vsize=3688 CPUtime=0 cores=1,3,5,7
/proc/13008/stat : 13008 (wbo1.71) R 13006 13008 12215 0 -1 4202496 397 0 0 0 0 0 0 0 20 0 1 0 286680196 3776512 349 33554432000 4194304 5964318 140734405304528 140736152563576 4395243 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/13008/statm: 922 351 170 433 0 435 0

[startup+0.0176921 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 13008
/proc/meminfo: memFree=28574528/32873844 swapFree=7116/7116
[pid=13008] ppid=13006 vsize=4868 CPUtime=0.01 cores=1,3,5,7
/proc/13008/stat : 13008 (wbo1.71) R 13006 13008 12215 0 -1 4202496 740 0 0 0 1 0 0 0 20 0 1 0 286680196 4984832 692 33554432000 4194304 5964318 140734405304528 140736152563576 5136394 0 0 4096 16387 0 0 0 17 5 0 0 0 0 0
/proc/13008/statm: 1217 693 212 433 0 730 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4868

[startup+0.100162 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 13008
/proc/meminfo: memFree=28574528/32873844 swapFree=7116/7116
[pid=13008] ppid=13006 vsize=85364 CPUtime=0.09 cores=1,3,5,7
/proc/13008/stat : 13008 (wbo1.71) S 13006 13008 12215 0 -1 4202496 2244 0 0 0 9 0 0 0 20 0 2 0 286680196 87412736 2016 33554432000 4194304 5964318 140734405304528 140734405304048 4546589 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/13008/statm: 21341 2016 197 433 0 20905 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 85364

[startup+0.300117 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 13008
/proc/meminfo: memFree=28574528/32873844 swapFree=7116/7116
[pid=13008] ppid=13006 vsize=85364 CPUtime=0.29 cores=1,3,5,7
/proc/13008/stat : 13008 (wbo1.71) S 13006 13008 12215 0 -1 4202496 2775 0 0 0 29 0 0 0 20 0 2 0 286680196 87412736 2547 33554432000 4194304 5964318 140734405304528 140734405304048 4546589 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/13008/statm: 21341 2547 197 433 0 20905 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 85364

[startup+0.70012 s]
/proc/loadavg: 2.00 2.00 2.00 3/177 13008
/proc/meminfo: memFree=28574528/32873844 swapFree=7116/7116
[pid=13008] ppid=13006 vsize=85364 CPUtime=0.69 cores=1,3,5,7
/proc/13008/stat : 13008 (wbo1.71) S 13006 13008 12215 0 -1 4202496 3603 0 0 0 69 0 0 0 20 0 2 0 286680196 87412736 3375 33554432000 4194304 5964318 140734405304528 140734405304048 4546589 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/13008/statm: 21341 3375 197 433 0 20905 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 85364

[startup+1.50026 s]
/proc/loadavg: 2.00 2.00 2.00 3/179 13010
/proc/meminfo: memFree=28559764/32873844 swapFree=7116/7116
[pid=13008] ppid=13006 vsize=85364 CPUtime=1.49 cores=1,3,5,7
/proc/13008/stat : 13008 (wbo1.71) S 13006 13008 12215 0 -1 4202496 5162 0 0 0 148 1 0 0 20 0 2 0 286680196 87412736 4944 33554432000 4194304 5964318 140734405304528 140734405304048 4546589 0 0 4096 16387 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/13008/statm: 21341 4944 197 433 0 20905 0
[pid=13008/tid=13010] ppid=13006 vsize=85364 CPUtime=1.46 cores=1,3,5,7
/proc/13008/task/13010/stat : 13010 (wbo1.71) R 13006 13008 12215 0 -1 4202560 3967 0 0 0 146 0 0 0 20 0 2 0 286680198 87412736 4944 33554432000 4194304 5964318 140734405304528 139954720450552 4407067 0 0 4096 16387 0 0 0 -1 3 0 0 0 0 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 85364

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

Child status: 255
Real time (s): 1.55136
CPU time (s): 1.54776
CPU user time (s): 1.53377
CPU system time (s): 0.013997
CPU usage (%): 99.7679
Max. virtual memory (cumulated for all children) (KiB): 85364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.53377
system time used= 0.013997
maximum resident set size= 21880
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5715
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= 8
involuntary context switches= 16

runsolver used 0.000999 second user time and 0.012998 second system time

The end

Launcher Data

Begin job on node138 at 2012-05-28 13:45:51
IDJOB=3712980
IDBENCH=79063
IDSOLVER=2293
FILE ID=node138/3712980-1338205551
RUNJOBID= node138-1338194596-12232
PBS_JOBID= 14624599
Free space on /tmp= 71488 MiB

SOLVER NAME= wbo 1.71
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-ooo.burch_dill.2.accl.ucl--soft-33-100-0.wbo
COMMAND LINE= wbo1.71 -file-format=wbo BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3712980-1338205551/watcher-3712980-1338205551 -o /tmp/evaluation-result-3712980-1338205551/solver-3712980-1338205551 -C 1800 -W 1900 -M 15500  wbo1.71 -file-format=wbo HOME/instance-3712980-1338205551.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 43c69d80a873dc3228a1cf2a948ae102
RANDOM SEED=1624096198

node138.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5334.69
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.347
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        28574684 kB
Buffers:          661088 kB
Cached:          2442984 kB
SwapCached:          208 kB
Active:          1458632 kB
Inactive:        1946060 kB
Active(anon):     282704 kB
Inactive(anon):    11368 kB
Active(file):    1175928 kB
Inactive(file):  1934692 kB
Unevictable:        7116 kB
Mlocked:            7116 kB
SwapTotal:      67108856 kB
SwapFree:       67108648 kB
Dirty:              5360 kB
Writeback:             0 kB
AnonPages:        302600 kB
Mapped:            15184 kB
Shmem:               200 kB
Slab:             753232 kB
SReclaimable:     195268 kB
SUnreclaim:       557964 kB
KernelStack:        1480 kB
PageTables:         4608 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     143388 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:    278528 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71484 MiB
End job on node138 at 2012-05-28 13:45:53