Trace number 3376786

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
QuteRSat 2011-05-12 (fixed)SAT 1.2948 1.29559

General information on the benchmark

Namecrafted/skvortsov/
automata-synchronization/crn_11_100_s.cnf
MD5SUMc6e549f9708971f42573991eb7f6cef3
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.02184
Satisfiable
(Un)Satisfiability was proved
Number of variables1300
Number of clauses2355
Sum of the clauses size6888
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2177
Number of clauses of size 32178
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.01	c Set FPU double precision.
0.00/0.01	c Parse Cnf success: #var: 1300 #clause: 2355
0.00/0.01	c Find Units :          0
0.00/0.01	c Find Invs  :          0
0.00/0.01	c Find Ands  :          0 AvgFaninNum: nan
0.00/0.01	c Find Xors  :          0 AvgFaninNum: nan
0.00/0.01	c Find Ite   :          0
0.00/0.01	c UnDirect variable: 0
0.00/0.01	c UnDirect to Direct Gate: 0
0.00/0.01	c Forced Direct Gate: 0 Unuse unDirect Gate: 0
0.00/0.01	c Break Cycle : 0
0.00/0.01	c Total Root : 0 Undef Var: 1300
0.00/0.01	c After covering, Total Root: 0 Leaf: 0
0.00/0.01	c Variable( cover/uncovered/unused ): 0 1300 0
0.00/0.01	c Unit Clauses: 0
0.00/0.01	c Binary Clauses( cover/uncovered ): 0 176
0.00/0.01	c Clauses( cover/uncovered ): 0 2178
0.00/0.01	c Total Clauses( cover/uncovered ): 0 2354 0%
0.00/0.01	c Covered Ands: 0 Invs: 0 Xors: 0 Ites: 0
0.00/0.01	c Uncover Clauses avg size: 2.92523 max size: 3
0.00/0.01	c Final circuit: i/l/o/s    1300       0    2354      4433
0.00/0.01	c CnfToAig: Time: 0 s
0.00/0.02	c TmMap: Set choices finish.
0.00/0.02	c TmMap: Set big and: 2354
0.00/0.02	c TmMap: Origin: 5734 ClauseNum: 13299 --> New: 3655 ClauseNum: 9240
0.00/0.02	c TmMap: Time: 0
0.00/0.02	c Try to Add: #clause: 4708 #xorclause: 0
0.00/0.02	c #var: 1300 #clauses: 2179 Solving... 
1.19/1.28	s SATISFIABLE
1.19/1.29	v -1 2 3 4 5 6 7 8 9 10 11 12 -13 14 15 16 17 18 19 20 21 22 23 24 -25 26 27 28 29 30 31 32 33 34 35 36 -37 38 39 40 41 42 43 44 45 46 47 48 -49 50 51 52 53 54 55 56 57 58 59 60 -61 62 63 64 65 66 67 68 69 70 71 72 -73 74 75 76 77 78 79 80 81 82 83 84 -85 86 87 88 89 90 91 92 93 94 95 96 -97 98 99 100 101 102 103 104 105 106 107 108 -109 110 111 112 113 114 115 116 117 118 119 120 -121 -122 123 124 125 126 127 128 129 130 131 -132 -133 -134 135 136 137 138 139 140 141 142 143 144 -145 -146 147 148 149 150 151 152 153 154 155 156 -157 -158 159 160 161 162 163 164 165 166 167 168 -169 -170 171 172 173 174 175 176 177 178 179 180 -181 -182 183 184 185 186 187 188 189 190 191 192 -193 -194 195 196 197 198 199 200 201 202 203 204 -205 -206 207 208 209 210 211 212 213 214 215 216 -217 -218 219 220 221 222 223 224 225 226 227 228 -229 -230 231 232 233 234 235 236 237 238 239 240 -241 -242 -243 244 245 246 247 248 249 250 251 -252 -253 -254 -255 256 257 258 259 260 261 262 263 -264 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1298 1299 -1300 0
1.19/1.29	c CPU time: 1.28 s

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-3376786-1305474566/watcher-3376786-1305474566 -o /tmp/evaluation-result-3376786-1305474566/solver-3376786-1305474566 -C 2400 -W 1300 -M 7680 qutersat_release HOME/instance-3376786-1305474566.cnf 611905016 

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: 2.85 3.76 3.97 5/448 31329
/proc/meminfo: memFree=16606980/32951124 swapFree=67082160/67111528
[pid=31329] ppid=31327 vsize=35436 CPUtime=0.01 cores=0,2
/proc/31329/stat : 31329 (qutersat_releas) R 31327 31329 30415 0 -1 4202496 2545 0 0 0 1 0 0 0 25 0 1 0 659054607 36286464 2482 33554432000 4194304 6014671 140736430880128 18446744073709551615 4340812 0 0 4096 16386 0 0 0 17 0 0 0 0
/proc/31329/statm: 8859 2484 524 445 0 2404 0

[startup+0.057341 s]
/proc/loadavg: 2.85 3.76 3.97 5/448 31329
/proc/meminfo: memFree=16606980/32951124 swapFree=67082160/67111528
[pid=31329] ppid=31327 vsize=47736 CPUtime=0.05 cores=0,2
/proc/31329/stat : 31329 (qutersat_releas) R 31327 31329 30415 0 -1 4202496 4020 0 0 0 5 0 0 0 25 0 1 0 659054607 48881664 3957 33554432000 4194304 6014671 140736430880128 18446744073709551615 4424130 0 0 4096 16386 0 0 0 17 0 0 0 0
/proc/31329/statm: 11934 3957 721 445 0 5479 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 47736

[startup+0.100363 s]
/proc/loadavg: 2.85 3.76 3.97 5/448 31329
/proc/meminfo: memFree=16606980/32951124 swapFree=67082160/67111528
[pid=31329] ppid=31327 vsize=56092 CPUtime=0.09 cores=0,2
/proc/31329/stat : 31329 (qutersat_releas) R 31327 31329 30415 0 -1 4202496 4134 0 0 0 9 0 0 0 25 0 1 0 659054607 57438208 4071 33554432000 4194304 6014671 140736430880128 18446744073709551615 4425428 0 0 4096 16386 0 0 0 17 0 0 0 0
/proc/31329/statm: 14023 4071 722 445 0 7568 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 56092

[startup+0.300314 s]
/proc/loadavg: 2.85 3.76 3.97 5/448 31329
/proc/meminfo: memFree=16606980/32951124 swapFree=67082160/67111528
[pid=31329] ppid=31327 vsize=72972 CPUtime=0.29 cores=0,2
/proc/31329/stat : 31329 (qutersat_releas) R 31327 31329 30415 0 -1 4202496 4439 0 0 0 29 0 0 0 25 0 1 0 659054607 74723328 4376 33554432000 4194304 6014671 140736430880128 18446744073709551615 4372328 0 0 4096 16386 0 0 0 17 0 0 0 0
/proc/31329/statm: 18243 4376 722 445 0 11788 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 72972

[startup+0.700242 s]
/proc/loadavg: 2.85 3.76 3.97 5/448 31329
/proc/meminfo: memFree=16606980/32951124 swapFree=67082160/67111528
[pid=31329] ppid=31327 vsize=81524 CPUtime=0.69 cores=0,2
/proc/31329/stat : 31329 (qutersat_releas) R 31327 31329 30415 0 -1 4202496 5121 0 0 0 69 0 0 0 25 0 1 0 659054607 83480576 5056 33554432000 4194304 6014671 140736430880128 18446744073709551615 4386066 0 0 4096 16386 0 0 0 17 0 0 0 0
/proc/31329/statm: 20381 5056 726 445 0 13926 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 81524

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

[startup+1.11719 s]
/proc/loadavg: 2.85 3.76 3.97 5/449 31330
/proc/meminfo: memFree=16573988/32951124 swapFree=67082160/67111528
[pid=31329] ppid=31327 vsize=90112 CPUtime=1.11 cores=0,2
/proc/31329/stat : 31329 (qutersat_releas) R 31327 31329 30415 0 -1 4202496 5489 0 0 0 111 0 0 0 25 0 1 0 659054607 92274688 5422 33554432000 4194304 6014671 140736430880128 18446744073709551615 4422808 0 0 4096 16386 0 0 0 17 0 0 0 0
/proc/31329/statm: 22528 5422 726 445 0 16073 0
Current children cumulated CPU time (s) 1.11
Current children cumulated vsize (KiB) 90112

[startup+1.20117 s]
/proc/loadavg: 2.85 3.76 3.97 5/449 31330
/proc/meminfo: memFree=16573988/32951124 swapFree=67082160/67111528
[pid=31329] ppid=31327 vsize=90112 CPUtime=1.19 cores=0,2
/proc/31329/stat : 31329 (qutersat_releas) R 31327 31329 30415 0 -1 4202496 5601 0 0 0 119 0 0 0 25 0 1 0 659054607 92274688 5534 33554432000 4194304 6014671 140736430880128 18446744073709551615 4423950 0 0 4096 16386 0 0 0 17 0 0 0 0
/proc/31329/statm: 22528 5534 726 445 0 16073 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 90112

Child status: 0
Real time (s): 1.29559
CPU time (s): 1.2948
CPU user time (s): 1.2878
CPU system time (s): 0.006998
CPU usage (%): 99.9393
Max. virtual memory (cumulated for all children) (KiB): 90112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.2878
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5867
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= 5
involuntary context switches= 3

runsolver used 0.009998 second user time and 0.022996 second system time

The end

Launcher Data 

Begin job on node136 at 2011-05-15 17:49:26
IDJOB=3376786
IDBENCH=83190
IDSOLVER=1856
FILE ID=node136/3376786-1305474566
RUNJOBID= node136-1305474565-31233
PBS_JOBID= 13325320
Free space on /tmp= 72992 MiB

SOLVER NAME= QuteRSat 2011-05-12 (fixed)
BENCH NAME= SAT11/crafted/skvortsov/automata-synchronization/crn_11_100_s.cnf
COMMAND LINE= qutersat_release BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3376786-1305474566/watcher-3376786-1305474566 -o /tmp/evaluation-result-3376786-1305474566/solver-3376786-1305474566 -C 2400 -W 1300 -M 7680  qutersat_release HOME/instance-3376786-1305474566.cnf 611905016

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

MD5SUM BENCH= c6e549f9708971f42573991eb7f6cef3
RANDOM SEED=611905016

node136.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		: 2666.809
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	: 5333.61
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		: 2666.809
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		: 2666.809
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		: 2666.809
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	: 5332.76
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		: 2666.809
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		: 2666.809
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		: 2666.809
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		: 2666.809
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:      16607128 kB
Buffers:        323788 kB
Cached:        5900304 kB
SwapCached:       2732 kB
Active:       11581616 kB
Inactive:      4401268 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      16607128 kB
SwapTotal:    67111528 kB
SwapFree:     67082160 kB
Dirty:            7532 kB
Writeback:           0 kB
AnonPages:     9757064 kB
Mapped:          40160 kB
Slab:           241196 kB
PageTables:      52540 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 122616712 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= 72992 MiB
End job on node136 at 2011-05-15 17:49:28