Trace number 3293010

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
UmSat 2011-02-25Signal 1.71674 1.71855

General information on the benchmark

NameSAT02/industrial/goldberg/rand_net/
rand_net60-40-10.shuffled.cnf
MD5SUM532245ed9a95eef41b179dba56b78f57
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.016996
Satisfiable
(Un)Satisfiability was proved
Number of variables4800
Number of clauses14281
Sum of the clauses size33540
Maximum clause length60
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 29360
Number of clauses of size 34920
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 51

Solver Data


Verifier Data 

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: <no 's ' line found>

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-3293010-1303786400/watcher-3293010-1303786400 -o /tmp/evaluation-result-3293010-1303786400/solver-3293010-1303786400 -C 2400 -W 1300 -M 7680 umsat HOME/instance-3293010-1303786400.cnf 

running on 2 cores: 1,3

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: 3.53 3.87 3.80 4/189 25685
/proc/meminfo: memFree=15151824/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=11644 CPUtime=0 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4194304 354 0 0 0 0 0 0 0 25 0 1 0 490239794 11923456 293 33554432000 4194304 4263880 140734871148432 18446744073709551615 47527971358419 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 2911 293 240 17 0 84 0

[startup+0.106151 s]
/proc/loadavg: 3.53 3.87 3.80 4/189 25685
/proc/meminfo: memFree=15151824/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=14516 CPUtime=0.1 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4202496 1188 0 0 0 10 0 0 0 25 0 1 0 490239794 14864384 994 33554432000 4194304 4263880 140734871148432 18446744073709551615 4215093 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 3629 994 247 17 0 802 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 14516

[startup+0.201076 s]
/proc/loadavg: 3.53 3.87 3.80 4/189 25685
/proc/meminfo: memFree=15151824/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=14648 CPUtime=0.19 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4202496 1220 0 0 0 19 0 0 0 25 0 1 0 490239794 14999552 1026 33554432000 4194304 4263880 140734871148432 18446744073709551615 4215110 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 3662 1026 247 17 0 835 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 14648

[startup+0.301059 s]
/proc/loadavg: 3.53 3.87 3.80 4/189 25685
/proc/meminfo: memFree=15151824/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=15044 CPUtime=0.29 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4202496 1294 0 0 0 29 0 0 0 25 0 1 0 490239794 15405056 1100 33554432000 4194304 4263880 140734871148432 18446744073709551615 4207691 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 3761 1100 247 17 0 934 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15044

[startup+0.700988 s]
/proc/loadavg: 3.53 3.87 3.80 4/189 25685
/proc/meminfo: memFree=15151824/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=16628 CPUtime=0.69 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4202496 1721 0 0 0 69 0 0 0 25 0 1 0 490239794 17027072 1527 33554432000 4194304 4263880 140734871148432 18446744073709551615 4206576 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 4157 1527 247 17 0 1330 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16628

[startup+1.50091 s]
/proc/loadavg: 3.57 3.87 3.80 5/190 25713
/proc/meminfo: memFree=15139892/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=19136 CPUtime=1.49 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4202496 2313 0 0 0 149 0 0 0 25 0 1 0 490239794 19595264 2119 33554432000 4194304 4263880 140734871148432 18446744073709551615 248089724010 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 4784 2120 247 17 0 1957 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 19136

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

[startup+1.60083 s]
/proc/loadavg: 3.57 3.87 3.80 5/190 25713
/proc/meminfo: memFree=15139892/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=19400 CPUtime=1.59 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4202496 2396 0 0 0 159 0 0 0 25 0 1 0 490239794 19865600 2202 33554432000 4194304 4263880 140734871148432 18446744073709551615 4215093 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 4850 2202 247 17 0 2023 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 19400

[startup+1.70081 s]
/proc/loadavg: 3.57 3.87 3.80 5/190 25713
/proc/meminfo: memFree=15139892/32950928 swapFree=67111528/67111528
[pid=25685] ppid=25683 vsize=19796 CPUtime=1.69 cores=1,3
/proc/25685/stat : 25685 (umsat) R 25683 25685 22376 0 -1 4202496 2506 0 0 0 169 0 0 0 25 0 1 0 490239794 20271104 2312 33554432000 4194304 4263880 140734871148432 18446744073709551615 4205728 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/25685/statm: 4949 2312 247 17 0 2122 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 19796

Child ended because it received signal 11 (SIGSEGV)
Child dumped core
Real time (s): 1.71855
CPU time (s): 1.71674
CPU user time (s): 1.69974
CPU system time (s): 0.016997
CPU usage (%): 99.8947
Max. virtual memory (cumulated for all children) (KiB): 19796

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.69974
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2536
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= 1

runsolver used 0.007998 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node123 at 2011-04-26 04:53:20
IDJOB=3293010
IDBENCH=88025
IDSOLVER=1582
FILE ID=node123/3293010-1303786400
RUNJOBID= node123-1303786399-25618
PBS_JOBID= 13157187
Free space on /tmp= 72920 MiB

SOLVER NAME= UmSat 2011-02-25
BENCH NAME= SAT02/industrial/goldberg/rand_net/rand_net60-40-10.shuffled.cnf
COMMAND LINE= umsat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3293010-1303786400/watcher-3293010-1303786400 -o /tmp/evaluation-result-3293010-1303786400/solver-3293010-1303786400 -C 2400 -W 1300 -M 7680  umsat HOME/instance-3293010-1303786400.cnf

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

MD5SUM BENCH= 532245ed9a95eef41b179dba56b78f57
RANDOM SEED=852927335

node123.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		: 2666.838
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	: 5333.67
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		: 2666.838
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	: 5226.15
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		: 2666.838
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		: 2666.838
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	: 5332.82
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		: 2666.838
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		: 2666.838
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	: 5332.80
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		: 2666.838
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	: 5332.74
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		: 2666.838
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:     32950928 kB
MemFree:      15152220 kB
Buffers:       2170532 kB
Cached:       15002756 kB
SwapCached:          0 kB
Active:        8302680 kB
Inactive:      8952716 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      15152220 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            9912 kB
Writeback:          60 kB
AnonPages:       80648 kB
Mapped:          15204 kB
Slab:           479404 kB
PageTables:       5348 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   266940 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= 72912 MiB
End job on node123 at 2011-04-26 04:53:22