Trace number 3291071

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
shortsattime2011 2011-03-02? (problem) 3.58145 3.58221

General information on the benchmark

Nameapplication/leberre/
2dimensionalstrippacking/E07N15.cnf
MD5SUMa46c1f5024d18f7ce38b8231a36b8546
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.003998
Satisfiable
(Un)Satisfiability was proved
Number of variables4740
Number of clauses41363
Sum of the clauses size204185
Maximum clause length66
Minimum clause length1
Number of clauses of size 145
Number of clauses of size 212536
Number of clauses of size 38532
Number of clauses of size 41080
Number of clauses of size 52790
Number of clauses of size over 516380

Solver Data 

3.49/3.58	c 1378 clauses are redundant and removed
3.49/3.58	c A contradiction is found at top!
3.49/3.58	c UNSATISFIABLE

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-3291071-1303793457/watcher-3291071-1303793457 -o /tmp/evaluation-result-3291071-1303793457/solver-3291071-1303793457 -C 2400 -W 1300 -M 7680 shortsattime2011 HOME/instance-3291071-1303793457.cnf 1152751982 

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: 2.80 3.26 3.56 3/178 1658
/proc/meminfo: memFree=14288632/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1185452 CPUtime=0 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4194304 228 0 0 0 0 0 0 0 22 0 1 0 490943693 1213902848 173 33554432000 4194304 4230460 140735964791392 18446744073709551615 228122374853 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 296363 173 100 9 0 293520 0

[startup+0.0319939 s]
/proc/loadavg: 2.80 3.26 3.56 3/178 1658
/proc/meminfo: memFree=14288632/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1186904 CPUtime=0.03 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4194304 719 0 0 0 3 0 0 0 22 0 1 0 490943693 1215389696 664 33554432000 4194304 4230460 140735964791392 18446744073709551615 228122374853 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 296726 665 100 9 0 293883 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1186904

[startup+0.100982 s]
/proc/loadavg: 2.80 3.26 3.56 3/178 1658
/proc/meminfo: memFree=14288632/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1191124 CPUtime=0.09 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4202496 1900 0 0 0 9 0 0 0 22 0 1 0 490943693 1219710976 1844 33554432000 4194304 4230460 140735964791392 18446744073709551615 4207750 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 297781 1844 103 9 0 294938 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1191124

[startup+0.300947 s]
/proc/loadavg: 2.80 3.26 3.56 3/178 1658
/proc/meminfo: memFree=14288632/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1191124 CPUtime=0.29 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4202496 1900 0 0 0 29 0 0 0 23 0 1 0 490943693 1219710976 1844 33554432000 4194304 4230460 140735964791392 18446744073709551615 4207715 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 297781 1844 103 9 0 294938 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1191124

[startup+0.700871 s]
/proc/loadavg: 2.80 3.26 3.56 3/178 1658
/proc/meminfo: memFree=14288632/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1191124 CPUtime=0.69 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4202496 1900 0 0 0 69 0 0 0 25 0 1 0 490943693 1219710976 1844 33554432000 4194304 4230460 140735964791392 18446744073709551615 4207911 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 297781 1844 103 9 0 294938 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1191124

[startup+1.50073 s]
/proc/loadavg: 2.90 3.27 3.56 5/184 1669
/proc/meminfo: memFree=14186088/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1191124 CPUtime=1.49 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4202496 1904 0 0 0 149 0 0 0 25 0 1 0 490943693 1219710976 1848 33554432000 4194304 4230460 140735964791392 18446744073709551615 4207690 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 297781 1848 103 9 0 294938 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1191124

[startup+3.10044 s]
/proc/loadavg: 2.90 3.27 3.56 5/184 1669
/proc/meminfo: memFree=14093212/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1191124 CPUtime=3.09 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4202496 1904 0 0 0 309 0 0 0 25 0 1 0 490943693 1219710976 1848 33554432000 4194304 4230460 140735964791392 18446744073709551615 4207720 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 297781 1848 103 9 0 294938 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1191124

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

[startup+3.50037 s]
/proc/loadavg: 2.90 3.27 3.56 5/190 1681
/proc/meminfo: memFree=14030188/32951124 swapFree=67111528/67111528
[pid=1658] ppid=1656 vsize=1191124 CPUtime=3.49 cores=1,3
/proc/1658/stat : 1658 (shortsattime201) R 1656 1658 513 0 -1 4202496 1904 0 0 0 349 0 0 0 25 0 1 0 490943693 1219710976 1848 33554432000 4194304 4230460 140735964791392 18446744073709551615 4207715 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1658/statm: 297781 1848 103 9 0 294938 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 1191124

Child status: 0
Real time (s): 3.58221
CPU time (s): 3.58145
CPU user time (s): 3.57946
CPU system time (s): 0.001999
CPU usage (%): 99.979
Max. virtual memory (cumulated for all children) (KiB): 1191124

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.57945
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= 1940
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= 3
involuntary context switches= 11

runsolver used 0.007998 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node138 at 2011-04-26 06:50:57
IDJOB=3291071
IDBENCH=83469
IDSOLVER=1566
FILE ID=node138/3291071-1303793457
RUNJOBID= node138-1303793457-1640
PBS_JOBID= 13157250
Free space on /tmp= 71864 MiB

SOLVER NAME= shortsattime2011 2011-03-02
BENCH NAME= SAT11/application/leberre/2dimensionalstrippacking/E07N15.cnf
COMMAND LINE= shortsattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3291071-1303793457/watcher-3291071-1303793457 -o /tmp/evaluation-result-3291071-1303793457/solver-3291071-1303793457 -C 2400 -W 1300 -M 7680  shortsattime2011 HOME/instance-3291071-1303793457.cnf 1152751982

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

MD5SUM BENCH= a46c1f5024d18f7ce38b8231a36b8546
RANDOM SEED=1152751982

node138.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		: 2666.854
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	: 5333.70
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		: 2666.854
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		: 2666.854
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	: 5332.82
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		: 2666.854
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	: 5332.75
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		: 2666.854
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	: 5332.80
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		: 2666.854
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		: 2666.854
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	: 5332.82
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		: 2666.854
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:      14288920 kB
Buffers:       2070896 kB
Cached:       15959800 kB
SwapCached:          0 kB
Active:       10149620 kB
Inactive:      7952792 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      14288920 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:           27184 kB
Writeback:           0 kB
AnonPages:       71320 kB
Mapped:          14488 kB
Slab:           496384 kB
PageTables:       5816 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   199224 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= 71636 MiB
End job on node138 at 2011-04-26 06:51:01