Trace number 3420860

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
RestartSAT B95SAT 7.75982 7.75923

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.52377
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data

7.71/7.75	c WARNING: for repeatability, setting FPU to use double precision
7.71/7.75	s SATISFIABLE
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Verifier Data

OK

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-3420860-1306589173/watcher-3420860-1306589173 -o /tmp/evaluation-result-3420860-1306589173/solver-3420860-1306589173 -C 5000 -W 5100 -M 15500 HOME/RestartSAT -rfirst=1 -var-decay=0.95 HOME/instance-3420860-1306589173.cnf 

running on 4 cores: 0,2,4,6

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: 2.04 2.02 2.00 2/386 25091
/proc/meminfo: memFree=17391272/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=20816 CPUtime=0 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 1116 0 0 0 0 0 0 0 25 0 1 0 770520113 21315584 1057 33554432000 4194304 4291949 140734660568576 18446744073709551615 4277761 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 5204 1057 225 24 0 1838 0

[startup+0.0366059 s]
/proc/loadavg: 2.04 2.02 2.00 2/386 25091
/proc/meminfo: memFree=17391272/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=22332 CPUtime=0.03 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 1758 0 0 0 3 0 0 0 25 0 1 0 770520113 22867968 1576 33554432000 4194304 4291949 140734660568576 18446744073709551615 4230026 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 5583 1576 232 24 0 2217 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 22332

[startup+0.100589 s]
/proc/loadavg: 2.04 2.02 2.00 2/386 25091
/proc/meminfo: memFree=17391272/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=19264 CPUtime=0.09 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 2079 0 0 0 9 0 0 0 25 0 1 0 770520113 19726336 1466 33554432000 4194304 4291949 140734660568576 18446744073709551615 218374415751 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 4816 1466 253 24 0 1450 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 19264

[startup+0.300522 s]
/proc/loadavg: 2.04 2.02 2.00 2/386 25091
/proc/meminfo: memFree=17391272/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=19264 CPUtime=0.29 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 2237 0 0 0 29 0 0 0 25 0 1 0 770520113 19726336 1621 33554432000 4194304 4291949 140734660568576 18446744073709551615 4256161 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 4816 1621 253 24 0 1450 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 19264

[startup+0.700452 s]
/proc/loadavg: 2.04 2.02 2.00 2/386 25091
/proc/meminfo: memFree=17391272/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=22364 CPUtime=0.69 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 2693 0 0 0 69 0 0 0 25 0 1 0 770520113 22900736 2072 33554432000 4194304 4291949 140734660568576 18446744073709551615 4251605 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 5591 2073 253 24 0 2225 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22364

[startup+1.50034 s]
/proc/loadavg: 2.04 2.02 2.00 3/387 25092
/proc/meminfo: memFree=17382096/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=26272 CPUtime=1.49 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 3493 0 0 0 149 0 0 0 25 0 1 0 770520113 26902528 2866 33554432000 4194304 4291949 140734660568576 18446744073709551615 4255915 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 6568 2866 253 24 0 3202 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 26272

[startup+3.10106 s]
/proc/loadavg: 2.04 2.02 2.00 3/387 25092
/proc/meminfo: memFree=17375888/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=32228 CPUtime=3.09 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 5035 0 0 0 309 0 0 0 25 0 1 0 770520113 33001472 4398 33554432000 4194304 4291949 140734660568576 18446744073709551615 4256131 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 8057 4398 253 24 0 4691 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 32228

[startup+6.3005 s]
/proc/loadavg: 2.04 2.02 2.00 3/387 25092
/proc/meminfo: memFree=17365716/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=41844 CPUtime=6.29 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 7691 0 0 0 628 1 0 0 25 0 1 0 770520113 42848256 7036 33554432000 4194304 4291949 140734660568576 18446744073709551615 4255925 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 10461 7037 253 24 0 7095 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 41844

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

[startup+7.10032 s]
/proc/loadavg: 2.04 2.02 2.00 3/387 25092
/proc/meminfo: memFree=17359520/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=53916 CPUtime=7.09 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 8283 0 0 0 708 1 0 0 25 0 1 0 770520113 55209984 7624 33554432000 4194304 4291949 140734660568576 18446744073709551615 4256186 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 13479 7624 253 24 0 10113 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 53916

[startup+7.50025 s]
/proc/loadavg: 2.04 2.02 2.00 3/387 25092
/proc/meminfo: memFree=17359520/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=54180 CPUtime=7.49 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 8455 0 0 0 748 1 0 0 25 0 1 0 770520113 55480320 7796 33554432000 4194304 4291949 140734660568576 18446744073709551615 4255925 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 13545 7796 253 24 0 10179 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 54180

[startup+7.71422 s]
/proc/loadavg: 2.04 2.02 2.00 3/387 25092
/proc/meminfo: memFree=17357288/32951124 swapFree=52307820/67111528
[pid=25091] ppid=25089 vsize=54312 CPUtime=7.71 cores=0,2,4,6
/proc/25091/stat : 25091 (RestartSAT) R 25089 25091 24674 0 -1 4202496 8553 0 0 0 770 1 0 0 25 0 1 0 770520113 55615488 7892 33554432000 4194304 4291949 140734660568576 18446744073709551615 4267195 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/25091/statm: 13578 7892 253 24 0 10212 0
Current children cumulated CPU time (s) 7.71
Current children cumulated vsize (KiB) 54312

Child status: 10
Real time (s): 7.75923
CPU time (s): 7.75982
CPU user time (s): 7.74482
CPU system time (s): 0.014997
CPU usage (%): 100.008
Max. virtual memory (cumulated for all children) (KiB): 54312

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.74482
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8602
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= 7
involuntary context switches= 10

runsolver used 0.035994 second user time and 0.075988 second system time

The end

Launcher Data

Begin job on node101 at 2011-05-28 15:26:14
IDJOB=3420860
IDBENCH=70922
IDSOLVER=1911
FILE ID=node101/3420860-1306589173
RUNJOBID= node101-1306579401-24692
PBS_JOBID= 13471579
Free space on /tmp= 73648 MiB

SOLVER NAME= RestartSAT B95
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= HOME/RestartSAT -rfirst=1 -var-decay=0.95 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3420860-1306589173/watcher-3420860-1306589173 -o /tmp/evaluation-result-3420860-1306589173/solver-3420860-1306589173 -C 5000 -W 5100 -M 15500  HOME/RestartSAT -rfirst=1 -var-decay=0.95 HOME/instance-3420860-1306589173.cnf

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=94941845

node101.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		: 2666.841
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	: 5333.68
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		: 2666.841
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	: 5226.07
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		: 2666.841
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	: 5332.77
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		: 2666.841
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		: 2666.841
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		: 2666.841
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	: 5332.83
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		: 2666.841
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		: 2666.841
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:      17391452 kB
Buffers:        241788 kB
Cached:        3632392 kB
SwapCached:      14304 kB
Active:        8726128 kB
Inactive:      6539532 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      17391452 kB
SwapTotal:    67111528 kB
SwapFree:     52307820 kB
Dirty:            1616 kB
Writeback:          12 kB
AnonPages:    11388820 kB
Mapped:          21284 kB
Slab:           152944 kB
PageTables:      74884 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 78817324 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= 73648 MiB
End job on node101 at 2011-05-28 15:26:21