Trace number 3287294

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
MPhaseSAT64 2011-03-03UNSAT 2.36264 2.36236

General information on the benchmark

Nameapplication/jarvisalo/smtqfbv-aigs/
smtlib-qfbv-aigs-ext_con_032_008_0256-tseitin.cnf
MD5SUMee9a3768141236efcc4a858e8f92a7e9
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.353945
Satisfiable
(Un)Satisfiability was proved
Number of variables27224
Number of clauses68879
Sum of the clauses size160715
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 245918
Number of clauses of size 322959
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

2.29/2.36	c MPhaseSAT64 version 402 by Jingchao Chen,  April 1,2011
2.29/2.36	c input CNF file=HOME/instance-3287294-1303771396.cnf 
2.29/2.36	c Clause#=68879  var#=27224  ratio=2 
2.29/2.36	c Simplified clause#=68715 
2.29/2.36	c inative var#=0 
2.29/2.36	c old elimination clauses #=137421 
2.29/2.36	c free var#=9575  
2.29/2.36	c 
2.29/2.36	s UNSATISFIABLE
2.29/2.36	c 
2.29/2.36	c  Running time=2.359642

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-3287294-1303771396/watcher-3287294-1303771396 -o /tmp/evaluation-result-3287294-1303771396/solver-3287294-1303771396 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3287294-1303771396.cnf 

running on 2 cores: 5,7

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: 3.07 3.76 3.70 1/174 6520
/proc/meminfo: memFree=24033780/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=4956 CPUtime=0 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 328 0 0 0 0 0 0 0 24 0 1 0 488737336 5074944 269 33554432000 134512640 134761588 4294499536 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 1239 269 225 61 0 542 0

[startup+0.0622849 s]
/proc/loadavg: 3.07 3.76 3.70 1/174 6520
/proc/meminfo: memFree=24033780/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=6224 CPUtime=0.05 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 906 0 0 0 5 0 0 0 24 0 1 0 488737336 6373376 827 33554432000 134512640 134761588 4294499536 18446744073709551615 134575001 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 1556 827 231 61 0 859 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6224

[startup+0.100288 s]
/proc/loadavg: 3.07 3.76 3.70 1/174 6520
/proc/meminfo: memFree=24033780/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=6876 CPUtime=0.09 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 1784 0 0 0 9 0 0 0 24 0 1 0 488737336 7041024 1216 33554432000 134512640 134761588 4294499536 18446744073709551615 134586539 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 1719 1216 236 61 0 1022 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6876

[startup+0.300236 s]
/proc/loadavg: 3.07 3.76 3.70 1/174 6520
/proc/meminfo: memFree=24033780/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=15204 CPUtime=0.29 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 6682 0 0 0 29 0 0 0 25 0 1 0 488737336 15568896 3273 33554432000 134512640 134761588 4294499536 18446744073709551615 134643057 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 3801 3273 258 61 0 3104 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15204

[startup+0.700165 s]
/proc/loadavg: 3.07 3.76 3.70 1/174 6520
/proc/meminfo: memFree=24033780/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=15472 CPUtime=0.69 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 8977 0 0 0 68 1 0 0 25 0 1 0 488737336 15843328 3351 33554432000 134512640 134761588 4294499536 18446744073709551615 134697715 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 3868 3351 269 61 0 3171 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15472

[startup+1.50102 s]
/proc/loadavg: 2.90 3.71 3.69 5/190 6551
/proc/meminfo: memFree=23966248/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=17768 CPUtime=1.49 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 9588 0 0 0 148 1 0 0 25 0 1 0 488737336 18194432 3962 33554432000 134512640 134761588 4294499536 18446744073709551615 134634497 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 4442 3962 270 61 0 3745 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17768

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

[startup+1.90095 s]
/proc/loadavg: 2.90 3.71 3.69 5/190 6551
/proc/meminfo: memFree=23966248/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=19792 CPUtime=1.89 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 10094 0 0 0 188 1 0 0 25 0 1 0 488737336 20267008 4468 33554432000 134512640 134761588 4294499536 18446744073709551615 134634478 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 4948 4468 270 61 0 4251 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 19792

[startup+2.30087 s]
/proc/loadavg: 2.90 3.71 3.69 5/190 6551
/proc/meminfo: memFree=23948144/32951124 swapFree=67111412/67111528
[pid=6520] ppid=6518 vsize=23888 CPUtime=2.29 cores=5,7
/proc/6520/stat : 6520 (MPhaseSAT64) R 6518 6520 5523 0 -1 4202496 11118 0 0 0 228 1 0 0 25 0 1 0 488737336 24461312 5492 33554432000 134512640 134761588 4294499536 18446744073709551615 134614216 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/6520/statm: 5972 5492 270 61 0 5275 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 23888

Child status: 20
Real time (s): 2.36236
CPU time (s): 2.36264
CPU user time (s): 2.34664
CPU system time (s): 0.015997
CPU usage (%): 100.012
Max. virtual memory (cumulated for all children) (KiB): 23888

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.34664
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11154
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= 12
involuntary context switches= 2

runsolver used 0.002999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node137 at 2011-04-26 00:43:16
IDJOB=3287294
IDBENCH=82463
IDSOLVER=1521
FILE ID=node137/3287294-1303771396
RUNJOBID= node137-1303771396-6511
PBS_JOBID= 13157155
Free space on /tmp= 71792 MiB

SOLVER NAME= MPhaseSAT64 2011-03-03
BENCH NAME= SAT11/application/jarvisalo/smtqfbv-aigs/smtlib-qfbv-aigs-ext_con_032_008_0256-tseitin.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3287294-1303771396/watcher-3287294-1303771396 -o /tmp/evaluation-result-3287294-1303771396/solver-3287294-1303771396 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3287294-1303771396.cnf

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

MD5SUM BENCH= ee9a3768141236efcc4a858e8f92a7e9
RANDOM SEED=1753956051

node137.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		: 2666.844
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		: 2666.844
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		: 2666.844
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	: 5332.74
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		: 2666.844
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	: 5332.74
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		: 2666.844
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	: 5332.82
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		: 2666.844
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		: 2666.844
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	: 5332.83
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		: 2666.844
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      24034060 kB
Buffers:       1738720 kB
Cached:        6562440 kB
SwapCached:        112 kB
Active:        1775160 kB
Inactive:      6588888 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      24034060 kB
SwapTotal:    67111528 kB
SwapFree:     67111412 kB
Dirty:            1392 kB
Writeback:           0 kB
AnonPages:       62800 kB
Mapped:          14480 kB
Slab:           488076 kB
PageTables:       5084 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   191628 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= 71780 MiB
End job on node137 at 2011-04-26 00:43:19