Trace number 4101136

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
cdcl-cuttingplanes OPT linear search 2016-05-01UNSAT 1.22281 1.22992

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/
ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-bnl1.opb
MD5SUM86d589e9c21b90dfd700c7c422b09b8c
Bench CategoryOPT-SMALLINT (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 benchmark1.22281
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables35250
Total number of constraints624
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints624
Minimum length of a constraint30
Maximum length of a constraint2280
Number of terms in the objective function 29490
Biggest coefficient in the objective function 6378
Number of bits for the biggest coefficient in the objective function 13
Sum of the numbers in the objective function 548620
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262145
Number of bits of the biggest number in a constraint 19
Biggest sum of numbers in a constraint 548620
Number of bits of the biggest sum of numbers20
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.01	c OPTIONS:
0.00/0.01	c - Resolve (`-resolve-always' or `-resolve-skip'): -resolve-skip
0.00/0.01	c * #variable= 35250 #constraint= 624
0.78/0.80	c #Conflicts:       1000 | #Learnt:        983 | 3.667
0.78/0.80	c total clause space: 11.2235MB
0.78/0.80	c total #watches: 192469
1.19/1.22	c total #propagations: 66406 / total #impl: 6376424 (eff. 0.010)
1.19/1.22	s UNSATISFIABLE
1.19/1.22	c CPU time              : 1.20882 s

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

runsolver Copyright (C) 2010-2013 Olivier ROUSSEL

This is runsolver version 3.3.7 (svn: 2553)

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-4101136-1466247406/watcher-4101136-1466247406 -o /tmp/evaluation-result-4101136-1466247406/solver-4101136-1466247406 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node131-1466241681-3935 --watchdog 1960 --input HOME/instance-4101136-1466247406.opb ./cdcl-cuttingplanes-opt-linearsearch-release 

pid=4490
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: 2.14 2.19 2.17 3/176 4493
/proc/meminfo: memFree=30474636/32872528 swapFree=1200228/1314692
[pid=4493] ppid=4490 vsize=24328 CPUtime=0 cores=1,3,5,7
/proc/4493/stat : 4493 (runsolver) D 4490 4493 3918 0 -1 4202560 115 0 0 0 0 0 0 0 20 0 1 0 26787169 24911872 152 33554432000 4194304 4338465 140736785133360 140736785131000 252263091383 0 0 4096 24578 18446744071579943789 0 0 17 3 0 0 0 0 0
/proc/4493/statm: 6082 152 105 36 0 2655 0

[startup+0.100149 s]
/proc/loadavg: 2.14 2.19 2.17 3/176 4493
/proc/meminfo: memFree=30474636/32872528 swapFree=1200228/1314692
[pid=4493] ppid=4490 vsize=35988 CPUtime=0.08 cores=1,3,5,7
/proc/4493/stat : 4493 (cdcl-cuttingpla) R 4490 4493 3918 0 -1 4202496 1342 0 0 0 8 0 0 0 20 0 1 0 26787169 36851712 7600 33554432000 4194304 6201397 140737120335808 140736785130856 4207987 0 0 4096 8388610 0 0 0 17 5 0 0 0 0 0
/proc/4493/statm: 8997 7600 142 491 0 8496 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 35988

[startup+0.200345 s]
/proc/loadavg: 2.14 2.19 2.17 3/176 4493
/proc/meminfo: memFree=30474636/32872528 swapFree=1200228/1314692
[pid=4493] ppid=4490 vsize=39292 CPUtime=0.18 cores=1,3,5,7
/proc/4493/stat : 4493 (cdcl-cuttingpla) R 4490 4493 3918 0 -1 4202496 1958 0 0 0 18 0 0 0 20 0 1 0 26787169 40235008 8506 33554432000 4194304 6201397 140737120335808 140736785130856 4213257 0 0 4096 8388610 0 0 0 17 5 0 0 0 0 0
/proc/4493/statm: 9823 8506 147 491 0 9322 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 39292

[startup+0.300303 s]
/proc/loadavg: 2.14 2.19 2.17 3/176 4493
/proc/meminfo: memFree=30474636/32872528 swapFree=1200228/1314692
[pid=4493] ppid=4490 vsize=39292 CPUtime=0.28 cores=1,3,5,7
/proc/4493/stat : 4493 (cdcl-cuttingpla) R 4490 4493 3918 0 -1 4202496 1986 0 0 0 28 0 0 0 20 0 1 0 26787169 40235008 8534 33554432000 4194304 6201397 140737120335808 140736785130856 4213361 0 0 4096 8388610 0 0 0 17 5 0 0 0 0 0
/proc/4493/statm: 9823 8534 147 491 0 9322 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 39292

[startup+0.700234 s]
/proc/loadavg: 2.14 2.19 2.17 3/176 4493
/proc/meminfo: memFree=30474636/32872528 swapFree=1200228/1314692
[pid=4493] ppid=4490 vsize=39556 CPUtime=0.68 cores=1,3,5,7
/proc/4493/stat : 4493 (cdcl-cuttingpla) R 4490 4493 3918 0 -1 4202496 2050 0 0 0 68 0 0 0 20 0 1 0 26787169 40505344 8598 33554432000 4194304 6201397 140737120335808 140736785130856 4213257 0 0 4096 8388610 0 0 0 17 5 0 0 0 0 0
/proc/4493/statm: 9889 8598 147 491 0 9388 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 39556

Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 4493 sig 9
??? end of watcher thread
Dumping a history of the last processes samples

[startup+0.80027 s]
/proc/loadavg: 2.14 2.19 2.17 3/176 4493
/proc/meminfo: memFree=30474636/32872528 swapFree=1200228/1314692
[pid=4493] ppid=4490 vsize=44108 CPUtime=0.78 cores=1,3,5,7
/proc/4493/stat : 4493 (cdcl-cuttingpla) R 4490 4493 3918 0 -1 4202496 2384 0 0 0 78 0 0 0 20 0 1 0 26787169 45166592 8807 33554432000 4194304 6201397 140737120335808 140736785130856 4207438 0 0 4096 8388610 0 0 0 17 5 0 0 0 0 0
/proc/4493/statm: 11027 8807 147 491 0 10526 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 44108

[startup+1.20738 s]
/proc/loadavg: 2.14 2.19 2.17 3/177 4494
/proc/meminfo: memFree=30437888/32872528 swapFree=1200228/1314692
[pid=4493] ppid=4490 vsize=44512 CPUtime=1.19 cores=1,3,5,7
/proc/4493/stat : 4493 (cdcl-cuttingpla) R 4490 4493 3918 0 -1 4202496 2951 0 0 0 119 0 0 0 20 0 1 0 26787169 45580288 9187 33554432000 4194304 6201397 140737120335808 140737120334520 4219760 0 0 4096 8388610 0 0 0 17 5 0 0 0 0 0
/proc/4493/statm: 11128 9187 160 491 0 10627 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 44512

Child status: 20
Real time (s): 1.22992
CPU time (s): 1.22281
CPU user time (s): 1.21381
CPU system time (s): 0.008998
CPU usage (%): 99.4223
Max. virtual memory (cumulated for all children) (KiB): 44512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.21381
system time used= 0.008998
maximum resident set size= 37020
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3021
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= 3
involuntary context switches= 3

??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.004999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node131 at 2016-06-18 12:56:46
IDJOB=4101136
IDBENCH=1704
IDSOLVER=2550
FILE ID=node131/4101136-1466247406
RUNJOBID= node131-1466241681-3935
PBS_JOBID= 19918210
Free space on /tmp= 71700 MiB

SOLVER NAME= cdcl-cuttingplanes OPT linear search 2016-05-01
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-bnl1.opb
COMMAND LINE= ./cdcl-cuttingplanes-opt-linearsearch-release
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4101136-1466247406/watcher-4101136-1466247406 -o /tmp/evaluation-result-4101136-1466247406/solver-4101136-1466247406 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node131-1466241681-3935 --watchdog 1960 --input HOME/instance-4101136-1466247406.opb ./cdcl-cuttingplanes-opt-linearsearch-release

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

MD5SUM BENCH= 86d589e9c21b90dfd700c7c422b09b8c
RANDOM SEED=1879442702

node131.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		: 2666.752
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	: 5333.50
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		: 2666.752
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	: 5332.55
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		: 2666.752
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	: 5332.57
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		: 2666.752
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	: 5332.56
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		: 2666.752
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	: 5332.55
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		: 2666.752
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	: 5332.56
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		: 2666.752
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	: 5332.57
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		: 2666.752
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	: 5332.55
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32872528 kB
MemFree:        30475272 kB
Buffers:          129580 kB
Cached:           144776 kB
SwapCached:         1460 kB
Active:           151772 kB
Inactive:         195344 kB
Active(anon):      71820 kB
Inactive(anon):     2920 kB
Active(file):      79952 kB
Inactive(file):   192424 kB
Unevictable:     1314692 kB
Mlocked:         1200228 kB
SwapTotal:      67108856 kB
SwapFree:       67099856 kB
Dirty:              4364 kB
Writeback:             0 kB
AnonPages:       1386752 kB
Mapped:             7840 kB
Shmem:                 0 kB
Slab:             602524 kB
SReclaimable:      46584 kB
SUnreclaim:       555940 kB
KernelStack:        1440 kB
PageTables:         6436 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545120 kB
Committed_AS:    1504172 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346412 kB
VmallocChunk:   34341988032 kB
HardwareCorrupted:     0 kB
AnonHugePages:    167936 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7552 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71696 MiB
End job on node131 at 2016-06-18 12:56:48