Trace number 3171220

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 A75UNSAT 4.6213 4.6271

General information on the benchmark

Namerandom/medium/
unif-k5-r21.3-v50-c1065-S1007919187-045.UNKNOWN.cnf
MD5SUMafc45e32836c303b19a86a74eccb0079
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.145977
Satisfiable
(Un)Satisfiability was proved
Number of variables50
Number of clauses1065
Sum of the clauses size5325
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 51065
Number of clauses of size over 50

Solver Data 

4.59/4.62	c WARNING: for repeatability, setting FPU to use double precision
4.59/4.62	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: 935)

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-3171220-1302826257/watcher-3171220-1302826257 -o /tmp/evaluation-result-3171220-1302826257/solver-3171220-1302826257 -C 2400 -W 1300 -M 7680 HOME/RestartSAT -rfirst=1 -var-decay=0.75 HOME/instance-3171220-1302826257.cnf 

running on 2 cores: 0,2

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 3.91 3.97 3.88 5/189 1551
/proc/meminfo: memFree=16497908/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=11800 CPUtime=0 cores=0,2
/proc/1551/stat : 1551 (runsolver) R 1549 1551 1091 0 -1 4202560 43 0 0 0 0 0 0 0 25 0 1 0 375040983 12083200 52 33554432000 4194304 5434984 140734817046032 18446744073709551615 4881607 0 2147483391 4096 24578 0 0 0 17 2 0 0 0
/proc/1551/statm: 2950 52 31 303 0 2644 0

[startup+0.037826 s]
/proc/loadavg: 3.91 3.97 3.88 5/189 1551
/proc/meminfo: memFree=16497908/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15064 CPUtime=0.03 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 439 0 0 0 3 0 0 0 25 0 1 0 375040983 15425536 364 33554432000 4194304 4291949 140735123357232 18446744073709551615 254265053931 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3766 364 249 24 0 400 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 15064

[startup+0.10082 s]
/proc/loadavg: 3.91 3.97 3.88 5/189 1551
/proc/meminfo: memFree=16497908/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15064 CPUtime=0.09 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 447 0 0 0 9 0 0 0 25 0 1 0 375040983 15425536 371 33554432000 4194304 4291949 140735123357232 18446744073709551615 4256186 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3766 371 249 24 0 400 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15064

[startup+0.300779 s]
/proc/loadavg: 3.91 3.97 3.88 5/189 1551
/proc/meminfo: memFree=16497908/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15064 CPUtime=0.29 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 477 0 0 0 29 0 0 0 25 0 1 0 375040983 15425536 399 33554432000 4194304 4291949 140735123357232 18446744073709551615 4255624 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3766 399 249 24 0 400 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15064

[startup+0.700711 s]
/proc/loadavg: 3.91 3.97 3.88 5/189 1551
/proc/meminfo: memFree=16497908/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15336 CPUtime=0.69 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 521 0 0 0 69 0 0 0 25 0 1 0 375040983 15704064 440 33554432000 4194304 4291949 140735123357232 18446744073709551615 4255638 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3834 440 249 24 0 468 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15336

[startup+1.50055 s]
/proc/loadavg: 3.91 3.97 3.88 5/190 1552
/proc/meminfo: memFree=16496544/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15336 CPUtime=1.49 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 546 0 0 0 149 0 0 0 25 0 1 0 375040983 15704064 464 33554432000 4194304 4291949 140735123357232 18446744073709551615 4255709 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3834 464 249 24 0 468 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 15336

[startup+3.10029 s]
/proc/loadavg: 3.91 3.97 3.88 5/190 1552
/proc/meminfo: memFree=16496048/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15596 CPUtime=3.09 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 585 0 0 0 309 0 0 0 25 0 1 0 375040983 15970304 502 33554432000 4194304 4291949 140735123357232 18446744073709551615 4262332 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3899 502 249 24 0 533 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15596

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

[startup+3.90115 s]
/proc/loadavg: 3.91 3.97 3.88 5/190 1552
/proc/meminfo: memFree=16496164/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15596 CPUtime=3.89 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 613 0 0 0 389 0 0 0 25 0 1 0 375040983 15970304 527 33554432000 4194304 4291949 140735123357232 18446744073709551615 4255871 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3899 527 249 24 0 533 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 15596

[startup+4.30107 s]
/proc/loadavg: 3.92 3.97 3.88 5/190 1552
/proc/meminfo: memFree=16496040/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15596 CPUtime=4.29 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 613 0 0 0 429 0 0 0 25 0 1 0 375040983 15970304 527 33554432000 4194304 4291949 140735123357232 18446744073709551615 4255698 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3899 527 249 24 0 533 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 15596

[startup+4.50104 s]
/proc/loadavg: 3.92 3.97 3.88 5/190 1552
/proc/meminfo: memFree=16496040/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15596 CPUtime=4.49 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 613 0 0 0 449 0 0 0 25 0 1 0 375040983 15970304 527 33554432000 4194304 4291949 140735123357232 18446744073709551615 4270945 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3899 527 249 24 0 533 0
Current children cumulated CPU time (s) 4.49
Current children cumulated vsize (KiB) 15596

[startup+4.60102 s]
/proc/loadavg: 3.92 3.97 3.88 5/190 1552
/proc/meminfo: memFree=16496040/32951124 swapFree=67111528/67111528
[pid=1551] ppid=1549 vsize=15596 CPUtime=4.59 cores=0,2
/proc/1551/stat : 1551 (RestartSAT) R 1549 1551 1091 0 -1 4202496 613 0 0 0 459 0 0 0 25 0 1 0 375040983 15970304 527 33554432000 4194304 4291949 140735123357232 18446744073709551615 4255938 0 0 4096 8388610 0 0 0 17 0 0 0 0
/proc/1551/statm: 3899 527 249 24 0 533 0
Current children cumulated CPU time (s) 4.59
Current children cumulated vsize (KiB) 15596

Child status: 20
Real time (s): 4.6271
CPU time (s): 4.6213
CPU user time (s): 4.6193
CPU system time (s): 0.001999
CPU usage (%): 99.8747
Max. virtual memory (cumulated for all children) (KiB): 15596

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.6193
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 618
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= 13

runsolver used 0.013997 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node140 at 2011-04-15 02:10:57
IDJOB=3171220
IDBENCH=83038
IDSOLVER=1581
FILE ID=node140/3171220-1302826257
RUNJOBID= node140-1302823150-1109
PBS_JOBID= 13006691
Free space on /tmp= 71672 MiB

SOLVER NAME= RestartSAT A75
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v50-c1065-S1007919187-045.UNKNOWN.cnf
COMMAND LINE= HOME/RestartSAT -rfirst=1 -var-decay=0.75 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3171220-1302826257/watcher-3171220-1302826257 -o /tmp/evaluation-result-3171220-1302826257/solver-3171220-1302826257 -C 2400 -W 1300 -M 7680  HOME/RestartSAT -rfirst=1 -var-decay=0.75 HOME/instance-3171220-1302826257.cnf

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= afc45e32836c303b19a86a74eccb0079
RANDOM SEED=1401722878

node140.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		: 2666.833
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		: 2666.833
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	: 5226.14
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		: 2666.833
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		: 2666.833
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	: 5332.77
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		: 2666.833
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		: 2666.833
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	: 5332.74
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		: 2666.833
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		: 2666.833
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:      16498172 kB
Buffers:        755284 kB
Cached:       15211164 kB
SwapCached:          0 kB
Active:        8753408 kB
Inactive:      7325132 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      16498172 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             420 kB
Writeback:           0 kB
AnonPages:      111928 kB
Mapped:          15372 kB
Slab:           311316 kB
PageTables:       5412 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   303988 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= 71668 MiB
End job on node140 at 2011-04-15 02:11:01