Trace number 3422647

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
minisat hack: EBMiniSAT 2011-03-02UNSAT 4.21336 4.21421

General information on the benchmark

NameSAT-Race-2010-CNF/software-verification/
nec/hard-6-U-7061.cnf
MD5SUMb15321a24257fa4bdfd9c20c782f4c0e
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark4.00339
Satisfiable
(Un)Satisfiability was proved
Number of variables370048
Number of clauses1118066
Sum of the clauses size2910246
Maximum clause length493
Minimum clause length1
Number of clauses of size 194
Number of clauses of size 2742801
Number of clauses of size 3369913
Number of clauses of size 41454
Number of clauses of size 5618
Number of clauses of size over 53186

Solver Data 

4.19/4.20	c WARNING: for repeatability, setting FPU to use double precision
4.19/4.20	c restarts              : 9
4.19/4.20	c conflicts             : 1335           (323 /sec)
4.19/4.20	c decisions             : 5411           (0.00 % random) (1310 /sec)
4.19/4.20	c propagations          : 6126591        (1482944 /sec)
4.19/4.20	c conflict literals     : 48698          (32.00 % deleted)
4.19/4.20	c Memory used           : 184.00 MB
4.19/4.20	c CPU time              : 4.13137 s
4.19/4.20	
4.19/4.20	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

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-3422647-1306690110/watcher-3422647-1306690110 -o /tmp/evaluation-result-3422647-1306690110/solver-3422647-1306690110 -C 5000 -W 5100 -M 15500 HOME/ebminisat_release HOME/instance-3422647-1306690110.cnf -verb=0 

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

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 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: 0.92 0.99 1.12 2/569 24144
/proc/meminfo: memFree=24102412/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=32616 CPUtime=0.01 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 3616 0 0 0 1 0 0 0 23 0 1 0 780609898 33398784 3559 33554432000 4194304 4293939 140734461427072 18446744073709551615 4240881 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 8154 3560 219 25 0 4787 0

[startup+0.0920809 s]
/proc/loadavg: 0.92 0.99 1.12 2/569 24144
/proc/meminfo: memFree=24102412/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=65612 CPUtime=0.09 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 10652 0 0 0 8 1 0 0 23 0 1 0 780609898 67186688 10515 33554432000 4194304 4293939 140734461427072 18446744073709551615 4280734 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 16403 10515 219 25 0 13036 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 65612

[startup+0.101077 s]
/proc/loadavg: 0.92 0.99 1.12 2/569 24144
/proc/meminfo: memFree=24102412/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=66820 CPUtime=0.09 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 11111 0 0 0 8 1 0 0 23 0 1 0 780609898 68423680 10917 33554432000 4194304 4293939 140734461427072 18446744073709551615 268272349893 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 16705 10918 219 25 0 13338 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 66820

[startup+0.301043 s]
/proc/loadavg: 0.92 0.99 1.12 2/569 24144
/proc/meminfo: memFree=24102412/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=103092 CPUtime=0.29 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 22098 0 0 0 27 2 0 0 25 0 1 0 780609898 105566208 20176 33554432000 4194304 4293939 140734461427072 18446744073709551615 4279613 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 25773 20179 219 25 0 22406 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 103092

[startup+0.700973 s]
/proc/loadavg: 0.92 0.99 1.12 2/569 24144
/proc/meminfo: memFree=24102412/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=156476 CPUtime=0.69 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 34788 0 0 0 66 3 0 0 25 0 1 0 780609898 160231424 30640 33554432000 4194304 4293939 140734461427072 18446744073709551615 4230256 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 39119 30640 223 25 0 35752 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 156476

[startup+1.50083 s]
/proc/loadavg: 0.92 0.99 1.12 3/570 24145
/proc/meminfo: memFree=23943732/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=164132 CPUtime=1.49 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 37924 0 0 0 145 4 0 0 25 0 1 0 780609898 168071168 33614 33554432000 4194304 4293939 140734461427072 18446744073709551615 4229798 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 41033 33614 225 25 0 37666 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 164132

[startup+3.10061 s]
/proc/loadavg: 0.92 0.99 1.12 3/570 24145
/proc/meminfo: memFree=23889892/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=179772 CPUtime=3.09 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 54658 0 0 0 303 6 0 0 25 0 1 0 780609898 184086528 37873 33554432000 4194304 4293939 140734461427072 18446744073709551615 4229945 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 44943 37873 225 25 0 41576 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 179772

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

[startup+3.90047 s]
/proc/loadavg: 0.92 0.99 1.12 3/570 24145
/proc/meminfo: memFree=23834776/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=172540 CPUtime=3.89 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 56886 0 0 0 382 7 0 0 25 0 1 0 780609898 176680960 35463 33554432000 4194304 4293939 140734461427072 18446744073709551615 4248888 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 43135 35463 241 25 0 39768 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 172540

[startup+4.10043 s]
/proc/loadavg: 0.92 0.99 1.12 3/570 24145
/proc/meminfo: memFree=23834776/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=172540 CPUtime=4.09 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 56892 0 0 0 402 7 0 0 25 0 1 0 780609898 176680960 35469 33554432000 4194304 4293939 140734461427072 18446744073709551615 4255682 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 43135 35469 241 25 0 39768 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 172540

[startup+4.20042 s]
/proc/loadavg: 0.92 0.99 1.12 3/570 24145
/proc/meminfo: memFree=23834776/32950928 swapFree=49808508/67111528
[pid=24144] ppid=24142 vsize=172540 CPUtime=4.19 cores=1,3,5,7
/proc/24144/stat : 24144 (ebminisat_relea) R 24142 24144 24112 0 -1 4202496 56896 0 0 0 412 7 0 0 25 0 1 0 780609898 176680960 35473 33554432000 4194304 4293939 140734461427072 18446744073709551615 4255682 0 0 4096 8388610 0 0 0 17 1 0 0 0
/proc/24144/statm: 43135 35473 241 25 0 39768 0
Current children cumulated CPU time (s) 4.19
Current children cumulated vsize (KiB) 172540

Child status: 20
Real time (s): 4.21421
CPU time (s): 4.21336
CPU user time (s): 4.13137
CPU system time (s): 0.081987
CPU usage (%): 99.9798
Max. virtual memory (cumulated for all children) (KiB): 188944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.13137
system time used= 0.081987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 56926
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= 5
involuntary context switches= 14

runsolver used 0.023996 second user time and 0.080987 second system time

The end

Launcher Data 

Begin job on node122 at 2011-05-29 19:28:31
IDJOB=3422647
IDBENCH=88178
IDSOLVER=1914
FILE ID=node122/3422647-1306690110
RUNJOBID= node122-1306690110-24131
PBS_JOBID= 13471852
Free space on /tmp= 73436 MiB

SOLVER NAME= minisat hack: EBMiniSAT 2011-03-02
BENCH NAME= SAT-Race-2010-CNF/software-verification/nec/hard-6-U-7061.cnf
COMMAND LINE= DIR/ebminisat_release BENCHNAME  -verb=0
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3422647-1306690110/watcher-3422647-1306690110 -o /tmp/evaluation-result-3422647-1306690110/solver-3422647-1306690110 -C 5000 -W 5100 -M 15500  HOME/ebminisat_release HOME/instance-3422647-1306690110.cnf  -verb=0

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= b15321a24257fa4bdfd9c20c782f4c0e
RANDOM SEED=1506308748

node122.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		: 2666.820
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	: 5333.64
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		: 2666.820
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	: 5332.75
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		: 2666.820
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		: 2666.820
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	: 5332.83
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		: 2666.820
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	: 5332.75
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		: 2666.820
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		: 2666.820
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		: 2666.820
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	: 5332.97
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      24102684 kB
Buffers:        219636 kB
Cached:        2411944 kB
SwapCached:      60784 kB
Active:         538324 kB
Inactive:      8044712 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      24102684 kB
SwapTotal:    67111528 kB
SwapFree:     49808508 kB
Dirty:           48140 kB
Writeback:           0 kB
AnonPages:     5904964 kB
Mapped:          10988 kB
Slab:            99904 kB
PageTables:      93016 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 180716124 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= 73344 MiB
End job on node122 at 2011-05-29 19:28:35