Trace number 3499993

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
sattime+ 2011-03-02SAT 2.24366 2.24453

General information on the benchmark

NameSAT05/crafted/sorge05/QG7a/
gensys-brn002.shuffled-as.sat05-3935.cnf
MD5SUMeda2d1e7d2975da4e019beddc323767b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.337948
Satisfiable
(Un)Satisfiability was proved
Number of variables2401
Number of clauses15897
Sum of the clauses size111804
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32205
Number of clauses of size 4294
Number of clauses of size 5441
Number of clauses of size over 512537

Solver Data

2.20/2.24	c 1974 clauses are redundant and removed
2.20/2.24	c 56 vars are fixed and 2030 clauses are removed after unit propagation
2.20/2.24	c 57 vars are fixed and 2048 clauses are removed after lookahead
2.20/2.24	c initial seed is 370512158
2.20/2.24	c try=1 flip j=1233770 walk=1013658 seed 370512175
2.20/2.24	c A solution is found
2.20/2.24	s SATISFIABLE
2.20/2.24	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 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2.20/2.24	v 0 
2.20/2.24	c Done (mycputime is 2 seconds)

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

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-3499993-1307983576/watcher-3499993-1307983576 -o /tmp/evaluation-result-3499993-1307983576/solver-3499993-1307983576 -C 5000 -W 5100 -M 15500 sattime+ HOME/instance-3499993-1307983576.cnf 370512045 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.24 1.75 1.89 2/177 15829
/proc/meminfo: memFree=6725312/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=880896 CPUtime=0 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4194304 242 0 0 0 0 0 0 0 22 0 1 0 909955323 902037504 185 33554432000 4194304 4228340 140737229593184 18446744073709551615 4202878 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 220224 185 102 9 0 217381 0

[startup+0.0203501 s]
/proc/loadavg: 1.24 1.75 1.89 2/177 15829
/proc/meminfo: memFree=6725312/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=881424 CPUtime=0.01 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4194304 412 0 0 0 1 0 0 0 22 0 1 0 909955323 902578176 355 33554432000 4194304 4228340 140737229593184 18446744073709551615 4202975 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 220356 356 102 9 0 217513 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 881424

[startup+0.100338 s]
/proc/loadavg: 1.24 1.75 1.89 2/177 15829
/proc/meminfo: memFree=6725312/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=883532 CPUtime=0.09 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4202496 1025 0 0 0 9 0 0 0 22 0 1 0 909955323 904736768 967 33554432000 4194304 4228340 140737229593184 18446744073709551615 4206872 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 220883 967 104 9 0 218040 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 883532

[startup+0.300302 s]
/proc/loadavg: 1.24 1.75 1.89 2/177 15829
/proc/meminfo: memFree=6725312/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=883532 CPUtime=0.29 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4202496 1027 0 0 0 29 0 0 0 23 0 1 0 909955323 904736768 969 33554432000 4194304 4228340 140737229593184 18446744073709551615 4206763 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 220883 969 104 9 0 218040 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 883532

[startup+0.70024 s]
/proc/loadavg: 1.24 1.75 1.89 2/177 15829
/proc/meminfo: memFree=6725312/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=884064 CPUtime=0.69 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4202496 1279 0 0 0 69 0 0 0 25 0 1 0 909955323 905281536 1215 33554432000 4194304 4228340 140737229593184 18446744073709551615 4217243 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 221016 1215 116 9 0 218173 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 884064

[startup+1.50108 s]
/proc/loadavg: 1.30 1.75 1.89 3/178 15830
/proc/meminfo: memFree=6720120/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=884064 CPUtime=1.49 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4202496 1279 0 0 0 149 0 0 0 25 0 1 0 909955323 905281536 1215 33554432000 4194304 4228340 140737229593184 18446744073709551615 4217114 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 221016 1215 116 9 0 218173 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 884064

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

[startup+1.90102 s]
/proc/loadavg: 1.30 1.75 1.89 3/178 15830
/proc/meminfo: memFree=6720120/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=884064 CPUtime=1.89 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4202496 1279 0 0 0 189 0 0 0 25 0 1 0 909955323 905281536 1215 33554432000 4194304 4228340 140737229593184 18446744073709551615 4218940 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 221016 1215 116 9 0 218173 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 884064

[startup+2.10097 s]
/proc/loadavg: 1.30 1.75 1.89 3/178 15830
/proc/meminfo: memFree=6719748/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=884064 CPUtime=2.1 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4202496 1279 0 0 0 210 0 0 0 25 0 1 0 909955323 905281536 1215 33554432000 4194304 4228340 140737229593184 18446744073709551615 4217336 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 221016 1215 116 9 0 218173 0
Current children cumulated CPU time (s) 2.1
Current children cumulated vsize (KiB) 884064

[startup+2.20595 s]
/proc/loadavg: 1.30 1.75 1.89 3/178 15830
/proc/meminfo: memFree=6719748/32951124 swapFree=67076880/67111528
[pid=15829] ppid=15827 vsize=884064 CPUtime=2.2 cores=1,3,5,7
/proc/15829/stat : 15829 (sattime+) R 15827 15829 14046 0 -1 4202496 1279 0 0 0 220 0 0 0 25 0 1 0 909955323 905281536 1215 33554432000 4194304 4228340 140737229593184 18446744073709551615 4218515 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/15829/statm: 221016 1215 116 9 0 218173 0
Current children cumulated CPU time (s) 2.2
Current children cumulated vsize (KiB) 884064

Child status: 10
Real time (s): 2.24453
CPU time (s): 2.24366
CPU user time (s): 2.23966
CPU system time (s): 0.003999
CPU usage (%): 99.9612
Max. virtual memory (cumulated for all children) (KiB): 884064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.23966
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1284
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= 2
involuntary context switches= 5

runsolver used 0.002999 second user time and 0.013997 second system time

The end

Launcher Data

Begin job on node139 at 2011-06-13 18:46:16
IDJOB=3499993
IDBENCH=85786
IDSOLVER=1996
FILE ID=node139/3499993-1307983576
RUNJOBID= node139-1307983576-15802
PBS_JOBID= 13559689
Free space on /tmp= 2684 MiB

SOLVER NAME= sattime+ 2011-03-02
BENCH NAME= SAT05/crafted/sorge05/QG7a/gensys-brn002.shuffled-as.sat05-3935.cnf
COMMAND LINE= sattime+ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3499993-1307983576/watcher-3499993-1307983576 -o /tmp/evaluation-result-3499993-1307983576/solver-3499993-1307983576 -C 5000 -W 5100 -M 15500  sattime+ HOME/instance-3499993-1307983576.cnf 370512045

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= eda2d1e7d2975da4e019beddc323767b
RANDOM SEED=370512045

node139.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		: 2666.852
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		: 2666.852
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		: 2666.852
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		: 2666.852
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		: 2666.852
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	: 5321.49
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		: 2666.852
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		: 2666.852
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		: 2666.852
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:       6725872 kB
Buffers:        137980 kB
Cached:       25224504 kB
SwapCached:       3400 kB
Active:       10181836 kB
Inactive:     15215680 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:       6725872 kB
SwapTotal:    67111528 kB
SwapFree:     67076880 kB
Dirty:           15952 kB
Writeback:           0 kB
AnonPages:       33588 kB
Mapped:          14136 kB
Slab:           763108 kB
PageTables:       4828 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1086244 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= 2676 MiB
End job on node139 at 2011-06-13 18:46:18