Trace number 3495635

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
OptimuS x100_sourceUNSAT 3.20851 3.21053

General information on the benchmark

Namemus/marques-silva/
hardware-verification/dlx2_ca.cnf
MD5SUM22298cc4e387263e2731e2b343079156
Bench CategoryMUS (MUS)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.03454
Satisfiable
(Un)Satisfiability was proved
Number of variables1225
Number of clauses9579
Sum of the clauses size27077
Maximum clause length27
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 27906
Number of clauses of size 3931
Number of clauses of size 475
Number of clauses of size 551
Number of clauses of size over 5615

Solver Data 

3.20/3.20	c - Reading the instance.. OK! Totally clauses:     9579; Vars:     1225; Time: 0.01
3.20/3.20	c - Unit propagation..     OK! Removed clauses:      228;                 Time: 0.00
3.20/3.20	c - Delete by resolution.. OK! Removed clauses:     3307;                 Time: 0.03
3.20/3.20	c   - Solving the original instance..
3.20/3.20	c     - OK - UNSAT! Continue to clause elimination..
3.20/3.20	c   - round:    1;   Skips in previous round:    0
3.20/3.20	c     - clauses done:  1%; among them skipped: 0.00%;
3.20/3.20	c     - clauses done: 10%; among them skipped: 0.00%;
3.20/3.20	c     - clauses done: 20%; among them skipped: 0.00%;
3.20/3.20	c - Finish! Unsat core size: 2229 / 9579; Time: 3.19 s
3.20/3.20	c - ---------------------------------------------------------------------------
3.20/3.20	c - Statistics: |    unit   |    BCE    | sat-saved | sat-check | unsat-check |
3.20/3.20	c -             |     228   |    5639   |    1150   |    1079   |    1483     |
3.20/3.20	c - ---------------------------------------------------------------------------
3.20/3.20	s UNSATISFIABLE
3.20/3.20	v 1 3 5 6 9 10 12 16 33 34 38 39 52 53 63 64 74 75 77 78 79 80 91 92 107 108 110 114 117 118 125 126 137 138 146 147 155 156 184 185 187 191 194 199 200 203 205 211 212 239 240 253 254 268 269 287 288 304 305 326 327 345 346 363 364 380 381 400 401 422 423 445 446 471 472 497 498 528 529 533 534 538 539 553 554 567 568 583 584 598 599 614 615 629 630 644 645 660 661 676 677 694 695 712 713 715 716 717 718 721 722 731 732 733 734 742 746 751 757 758 760 774 775 784 785 787 788 789 790 791 792 795 798 799 801 829 830 832 860 861 864 865 887 888 902 903 915 916 933 934 948 949 962 963 975 976 991 992 1009 1010 1028 1029 1050 1051 1054 1056 1060 1063 1064 1074 1077 1080 1081 1091 1094 1097 1098 1107 1110 1113 1114 1123 1130 1131 1151 1152 1154 1155 1158 1159 1168 1169 1172 1175 1176 1188 1189 1192 1195 1196 1207 1208 1212 1213 1231 1232 1235 1236 1258 1259 1261 1289 1290 1292 1320 1321 1335 1336 1348 1349 1366 1367 1381 1382 1395 1396 1408 1409 1424 1425 1442 1443 1461 1462 1483 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Verifier Data 

OK	2229

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 988)

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-3495635-1307809030/watcher-3495635-1307809030 -o /tmp/evaluation-result-3495635-1307809030/solver-3495635-1307809030 -C 1800 -W 1850 -M 7680 OptimuS_release HOME/instance-3495635-1307809030.cnf 

running on 2 cores: 4,6

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): 1850 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 1.07 1.91 2/175 15850
/proc/meminfo: memFree=31701924/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=20472 CPUtime=0 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 763 0 0 0 0 0 0 0 20 0 1 0 892503418 20963328 691 33554432000 4194304 4280283 140734654098320 18446744073709551615 253640859392 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 5118 691 240 21 0 1755 0

[startup+0.0824249 s]
/proc/loadavg: 0.92 1.07 1.91 2/175 15850
/proc/meminfo: memFree=31701924/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=22136 CPUtime=0.07 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 1411 0 0 0 7 0 0 0 20 0 1 0 892503418 22667264 1337 33554432000 4194304 4280283 140734654098320 18446744073709551615 4260059 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 5534 1337 269 21 0 2171 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 22136

[startup+0.100406 s]
/proc/loadavg: 0.92 1.07 1.91 2/175 15850
/proc/meminfo: memFree=31701924/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=22136 CPUtime=0.09 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 1556 0 0 0 9 0 0 0 20 0 1 0 892503418 22667264 1482 33554432000 4194304 4280283 140734654098320 18446744073709551615 4236563 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 5534 1482 269 21 0 2171 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 22136

[startup+0.300354 s]
/proc/loadavg: 0.92 1.07 1.91 2/175 15850
/proc/meminfo: memFree=31701924/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=20832 CPUtime=0.28 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 3950 0 0 0 28 0 0 0 21 0 1 0 892503418 21331968 1703 33554432000 4194304 4280283 140734654098320 18446744073709551615 4243147 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 5208 1703 269 21 0 1845 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 20832

[startup+0.700306 s]
/proc/loadavg: 0.92 1.07 1.91 2/175 15850
/proc/meminfo: memFree=31701924/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=32316 CPUtime=0.69 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 6465 0 0 0 68 1 0 0 22 0 1 0 892503418 33091584 4204 33554432000 4194304 4280283 140734654098320 18446744073709551615 4258893 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 8079 4204 269 21 0 4716 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 32316

[startup+1.50115 s]
/proc/loadavg: 0.92 1.07 1.91 6/187 15880
/proc/meminfo: memFree=31621016/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=32316 CPUtime=1.49 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 6512 0 0 0 148 1 0 0 25 0 1 0 892503418 33091584 4251 33554432000 4194304 4280283 140734654098320 18446744073709551615 4238760 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 8079 4251 269 21 0 4716 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 32316

[startup+3.10087 s]
/proc/loadavg: 0.92 1.07 1.91 5/187 15918
/proc/meminfo: memFree=31549616/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=32316 CPUtime=3.09 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 6855 0 0 0 308 1 0 0 25 0 1 0 892503418 33091584 4594 33554432000 4194304 4280283 140734654098320 18446744073709551615 4238874 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 8079 4594 269 21 0 4716 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 32316

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

[startup+3.20087 s]
/proc/loadavg: 0.92 1.07 1.91 5/187 15918
/proc/meminfo: memFree=31498644/32951124 swapFree=67060628/67111528
[pid=15849] ppid=15845 vsize=32316 CPUtime=3.2 cores=4,6
/proc/15849/stat : 15849 (OptimuS_release) R 15845 15849 14904 0 -1 4202496 6855 0 0 0 319 1 0 0 25 0 1 0 892503418 33091584 4594 33554432000 4194304 4280283 140734654098320 18446744073709551615 4263152 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/15849/statm: 8079 4594 269 21 0 4716 0
Current children cumulated CPU time (s) 3.2
Current children cumulated vsize (KiB) 32316

Child status: 20
Real time (s): 3.21053
CPU time (s): 3.20851
CPU user time (s): 3.19651
CPU system time (s): 0.011998
CPU usage (%): 99.9372
Max. virtual memory (cumulated for all children) (KiB): 32316

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.19651
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6856
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= 37
involuntary context switches= 3

runsolver used 0.004999 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node106 at 2011-06-11 18:17:10
IDJOB=3495635
IDBENCH=89529
IDSOLVER=1988
FILE ID=node106/3495635-1307809030
RUNJOBID= node106-1307809030-15822
PBS_JOBID= 13551070
Free space on /tmp= 74020 MiB

SOLVER NAME= OptimuS x100_source
BENCH NAME= SAT11/mus/marques-silva/hardware-verification/dlx2_ca.cnf
COMMAND LINE= OptimuS_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3495635-1307809030/watcher-3495635-1307809030 -o /tmp/evaluation-result-3495635-1307809030/solver-3495635-1307809030 -C 1800 -W 1850 -M 7680  OptimuS_release HOME/instance-3495635-1307809030.cnf

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 22298cc4e387263e2731e2b343079156
RANDOM SEED=1997291781

node106.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	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.66
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.20
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.830
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      31703268 kB
Buffers:        157912 kB
Cached:         909436 kB
SwapCached:      12488 kB
Active:         245624 kB
Inactive:       839556 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      31703268 kB
SwapTotal:    67111528 kB
SwapFree:     67060628 kB
Dirty:             820 kB
Writeback:           0 kB
AnonPages:       16356 kB
Mapped:           9844 kB
Slab:            97760 kB
PageTables:       4344 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   163800 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 74016 MiB
End job on node106 at 2011-06-11 18:17:14