Trace number 3501785

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
Haifa-HLMUC-A 2011-04-07UNSAT 4.93925 4.94103

General information on the benchmark

Namegmus/nadel/
edn_20259_6.cnf_0.31000000.unsat.gcnf
MD5SUM18eaa21b6da114620ac5f0f213b232b0
Bench CategoryGMUS (GMUS)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.55776
Satisfiable
(Un)Satisfiability was proved
Number of variables509090
Number of clauses1484741
Sum of the clauses size3445268
Maximum clause length3
Minimum clause length1
Number of clauses of size 11756
Number of clauses of size 21005443
Number of clauses of size 3477542
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50
Number of groups4030
Number of clauses in the kernel (group 0)1436899
Least number of clauses in a group (except group 0) 1
Greatest number of clauses in a group (except group 0) 14

Solver Data 

4.89/4.93	c WARNING: for repeatability, setting FPU to use double precision
4.89/4.93	c iter 1 time 4.51631 not-muc 4026 unknown 4 muc 0
4.89/4.93	c iter 2 time 4.77027 not-muc 4026 unknown 3 muc 1
4.89/4.93	c iter 3 time 4.79927 not-muc 4026 unknown 2 muc 2
4.89/4.93	c final iter 4 time 4.79927 not-muc 4028 unknown 0 muc 2
4.89/4.93	v 836 837 0
4.89/4.93	s UNSATISFIABLE

Verifier Data 

OK	2

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 /var/tmp/evaluation-result-3501785-1308043002/watcher-3501785-1308043002 -o /var/tmp/evaluation-result-3501785-1308043002/solver-3501785-1308043002 -C 1800 -W 1850 -M 7680 /varHOME/hhlmuc-a /varHOME/instance-3501785-1308043002.gcnf 

running on 2 cores: 0,2

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: 2.06 1.62 2.32 5/181 2480
/proc/meminfo: memFree=18640420/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=19728 CPUtime=0 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 452 0 0 0 0 0 0 0 25 0 1 0 896715824 20201472 394 33554432000 4194304 4312002 140733812398224 18446744073709551615 4240961 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 4975 398 215 29 0 1604 0

[startup+0.0647861 s]
/proc/loadavg: 2.06 1.62 2.32 5/181 2480
/proc/meminfo: memFree=18640420/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=74860 CPUtime=0.05 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 11723 0 0 0 3 2 0 0 25 0 1 0 896715824 76656640 11297 33554432000 4194304 4312002 140733812398224 18446744073709551615 4225402 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 18715 11309 216 29 0 15344 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 74860

[startup+0.100794 s]
/proc/loadavg: 2.06 1.62 2.32 5/181 2480
/proc/meminfo: memFree=18640420/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=86840 CPUtime=0.08 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 13811 0 0 0 6 2 0 0 25 0 1 0 896715824 88924160 13345 33554432000 4194304 4312002 140733812398224 18446744073709551615 264726404864 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 21710 13346 218 29 0 18339 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 86840

[startup+0.300747 s]
/proc/loadavg: 2.06 1.62 2.32 5/181 2480
/proc/meminfo: memFree=18640420/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=107812 CPUtime=0.29 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 20748 0 0 0 26 3 0 0 25 0 1 0 896715824 110399488 19150 33554432000 4194304 4312002 140733812398224 18446744073709551615 264726404864 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 26953 19152 218 29 0 23582 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 107812

[startup+0.700669 s]
/proc/loadavg: 2.06 1.62 2.32 5/181 2480
/proc/meminfo: memFree=18640420/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=154324 CPUtime=0.69 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 33322 0 0 0 63 6 0 0 25 0 1 0 896715824 158027776 30007 33554432000 4194304 4312002 140733812398224 18446744073709551615 264726065861 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 38581 30008 218 29 0 35210 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 154324

[startup+1.50052 s]
/proc/loadavg: 2.22 1.65 2.33 5/187 2491
/proc/meminfo: memFree=18166728/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=201680 CPUtime=1.49 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 46442 0 0 0 141 8 0 0 25 0 1 0 896715824 206520320 41510 33554432000 4194304 4312002 140733812398224 18446744073709551615 4258803 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 50420 41510 226 29 0 47049 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 201680

[startup+3.10019 s]
/proc/loadavg: 2.22 1.65 2.33 4/183 2518
/proc/meminfo: memFree=18146044/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=201464 CPUtime=3.09 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 62615 0 0 0 298 11 0 0 25 0 1 0 896715824 206299136 41542 33554432000 4194304 4312002 140733812398224 18446744073709551615 4219843 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 50366 41542 226 29 0 46995 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 201464

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

[startup+4.50093 s]
/proc/loadavg: 2.22 1.65 2.33 8/187 2528
/proc/meminfo: memFree=17698340/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=216512 CPUtime=4.49 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 65546 0 0 0 437 12 0 0 25 0 1 0 896715824 221708288 44198 33554432000 4194304 4312002 140733812398224 18446744073709551615 4230067 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 54128 44198 226 29 0 50757 0
Current children cumulated CPU time (s) 4.49
Current children cumulated vsize (KiB) 216512

[startup+4.90085 s]
/proc/loadavg: 2.22 1.65 2.33 8/187 2528
/proc/meminfo: memFree=17698340/32951124 swapFree=67064576/67111528
[pid=2480] ppid=2478 vsize=176664 CPUtime=4.89 cores=0,2
/proc/2480/stat : 2480 (hhlmuc-a) R 2478 2480 8335 0 -1 4202496 69423 0 0 0 476 13 0 0 25 0 1 0 896715824 180903936 37015 33554432000 4194304 4312002 140733812398224 18446744073709551615 4263176 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/2480/statm: 44166 37015 262 29 0 40795 0
Current children cumulated CPU time (s) 4.89
Current children cumulated vsize (KiB) 176664

Child status: 20
Real time (s): 4.94103
CPU time (s): 4.93925
CPU user time (s): 4.79927
CPU system time (s): 0.139978
CPU usage (%): 99.964
Max. virtual memory (cumulated for all children) (KiB): 243676

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.79927
system time used= 0.139978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 69426
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= 4
involuntary context switches= 19

runsolver used 0.004999 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node141 at 2011-06-14 11:16:42
IDJOB=3501785
IDBENCH=89935
IDSOLVER=2002
FILE ID=node141/3501785-1308043002
RUNJOBID= node141-1308042973-1720
PBS_JOBID= 13563895
Free space on /var/tmp= 2652 MiB

SOLVER NAME= Haifa-HLMUC-A 2011-04-07
BENCH NAME= SAT11/gmus/nadel/edn_20259_6.cnf_0.31000000.unsat.gcnf
COMMAND LINE= HOME/hhlmuc-a BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /var/tmp/evaluation-result-3501785-1308043002/watcher-3501785-1308043002 -o /var/tmp/evaluation-result-3501785-1308043002/solver-3501785-1308043002 -C 1800 -W 1850 -M 7680  /varHOME/hhlmuc-a /varHOME/instance-3501785-1308043002.gcnf

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

MD5SUM BENCH= 18eaa21b6da114620ac5f0f213b232b0
RANDOM SEED=1070657516

node141.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		: 2666.806
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	: 5333.61
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		: 2666.806
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	: 5362.96
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		: 2666.806
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	: 5332.82
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		: 2666.806
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	: 5332.75
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		: 2666.806
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	: 5332.84
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		: 2666.806
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		: 2666.806
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		: 2666.806
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      18642336 kB
Buffers:        118732 kB
Cached:       13209948 kB
SwapCached:       8480 kB
Active:        1099560 kB
Inactive:     12705524 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      18642336 kB
SwapTotal:    67111528 kB
SwapFree:     67064576 kB
Dirty:          269332 kB
Writeback:           8 kB
AnonPages:      474512 kB
Mapped:          10796 kB
Slab:           437532 kB
PageTables:       5404 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   721624 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 /var/tmp at the end= 2632 MiB
End job on node141 at 2011-06-14 11:16:47