Trace number 333486

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, and are wall clock time (not CPU 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
picosat 535SAT 76.3074 76.3277

General information on the benchmark

Namecrafted/Medium/contest05/jarvisalo/
mod2-rand3bip-sat-210-1.sat05-2158.reshuffled-07.cnf
MD5SUMec08a813e0e830faf90b4c50fad3a86d
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.009997
Satisfiable
(Un)Satisfiability was proved
Number of variables210
Number of clauses840
Sum of the clauses size2520
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 3840
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

76.28/76.32	s SATISFIABLE
76.28/76.32	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
76.28/76.32	v 26 -27 -28 29 30 31 32 33 34 -35 -36 37 38 39 -40 -41 42 -43 44 -45 46 -47 48
76.28/76.32	v -49 -50 -51 -52 -53 54 55 56 57 -58 -59 -60 61 62 -63 -64 -65 66 -67 -68 -69
76.28/76.32	v -70 -71 72 -73 74 -75 76 77 -78 79 -80 -81 -82 -83 84 -85 -86 87 88 -89 90
76.28/76.32	v -91 -92 93 -94 -95 96 97 -98 99 100 101 -102 -103 -104 105 106 107 -108 -109
76.28/76.32	v 110 -111 -112 113 -114 115 -116 117 118 -119 -120 121 -122 -123 124 125 -126
76.28/76.32	v 127 -128 -129 130 -131 132 133 134 135 136 137 -138 139 -140 -141 142 143
76.28/76.32	v -144 -145 146 147 -148 -149 150 151 -152 153 -154 -155 156 157 158 -159 160
76.28/76.32	v 161 -162 -163 164 -165 -166 167 168 169 170 171 -172 173 174 -175 176 -177
76.28/76.32	v 178 179 -180 -181 -182 183 -184 185 186 -187 188 189 190 -191 -192 -193 -194
76.28/76.32	v -195 -196 -197 -198 199 200 -201 202 -203 204 205 -206 207 208 -209 210 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node3/watcher-333486-1173517634 -o ROOT/results/node3/solver-333486-1173517634 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333486-1173517634/picosat /tmp/evaluation/333486-1173517634/instance-333486-1173517634.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.55 1.76 1.47 3/77 27423
/proc/meminfo: memFree=1549608/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=568 CPUtime=0
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 70 0 0 0 0 0 0 0 18 0 1 0 371718260 581632 55 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 142 55 40 102 0 37 0

[startup+0.105539 s]
/proc/loadavg: 1.55 1.76 1.47 3/77 27423
/proc/meminfo: memFree=1549608/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=708 CPUtime=0.09
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 119 0 0 0 9 0 0 0 18 0 1 0 371718260 724992 102 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525828 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 177 102 48 102 0 72 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 708

[startup+0.201547 s]
/proc/loadavg: 1.55 1.76 1.47 3/77 27423
/proc/meminfo: memFree=1549608/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=708 CPUtime=0.19
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 122 0 0 0 19 0 0 0 18 0 1 0 371718260 724992 105 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525860 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 177 105 48 102 0 72 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 708

[startup+0.301554 s]
/proc/loadavg: 1.55 1.76 1.47 3/77 27423
/proc/meminfo: memFree=1549608/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=708 CPUtime=0.29
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 126 0 0 0 29 0 0 0 19 0 1 0 371718260 724992 109 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134522834 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 177 109 48 102 0 72 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 708

[startup+0.701587 s]
/proc/loadavg: 1.55 1.76 1.47 3/77 27423
/proc/meminfo: memFree=1549608/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=708 CPUtime=0.69
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 133 0 0 0 69 0 0 0 23 0 1 0 371718260 724992 116 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134530504 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 177 116 48 102 0 72 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 708

[startup+1.50165 s]
/proc/loadavg: 1.55 1.76 1.47 2/78 27424
/proc/meminfo: memFree=1549280/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=832 CPUtime=1.49
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 143 0 0 0 149 0 0 0 25 0 1 0 371718260 851968 126 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525941 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 208 126 48 102 0 103 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 832

[startup+3.10178 s]
/proc/loadavg: 1.55 1.76 1.47 2/78 27424
/proc/meminfo: memFree=1549088/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=832 CPUtime=3.09
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 158 0 0 0 309 0 0 0 25 0 1 0 371718260 851968 141 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 208 141 48 102 0 103 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 832

[startup+6.30105 s]
/proc/loadavg: 1.51 1.75 1.47 2/78 27424
/proc/meminfo: memFree=1548960/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=976 CPUtime=6.29
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 181 0 0 0 629 0 0 0 25 0 1 0 371718260 999424 164 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 244 164 48 102 0 139 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 976

[startup+12.7016 s]
/proc/loadavg: 1.47 1.74 1.47 2/78 27424
/proc/meminfo: memFree=1548768/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1104 CPUtime=12.69
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 210 0 0 0 1269 0 0 0 25 0 1 0 371718260 1130496 193 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 276 193 48 102 0 171 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 1104

[startup+25.5016 s]
/proc/loadavg: 1.36 1.70 1.46 2/78 27424
/proc/meminfo: memFree=1548576/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1208 CPUtime=25.48
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 256 0 0 0 2548 0 0 0 25 0 1 0 371718260 1236992 239 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525814 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 302 239 48 102 0 197 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1208

[startup+51.1017 s]
/proc/loadavg: 1.24 1.64 1.44 2/78 27424
/proc/meminfo: memFree=1548256/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1516 CPUtime=51.08
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 320 0 0 0 5107 1 0 0 25 0 1 0 371718260 1552384 303 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 379 303 48 102 0 274 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 1516

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

[startup+51.2017 s]
/proc/loadavg: 1.24 1.64 1.44 2/78 27424
/proc/meminfo: memFree=1548256/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1516 CPUtime=51.18
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 320 0 0 0 5117 1 0 0 25 0 1 0 371718260 1552384 303 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 379 303 48 102 0 274 0
Current children cumulated CPU time (s) 51.18
Current children cumulated vsize (KiB) 1516

[startup+64.0018 s]
/proc/loadavg: 1.18 1.61 1.44 2/78 27424
/proc/meminfo: memFree=1548192/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1516 CPUtime=63.98
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 333 0 0 0 6397 1 0 0 25 0 1 0 371718260 1552384 316 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134529753 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 379 316 48 102 0 274 0
Current children cumulated CPU time (s) 63.98
Current children cumulated vsize (KiB) 1516

[startup+70.4013 s]
/proc/loadavg: 1.17 1.60 1.43 2/78 27424
/proc/meminfo: memFree=1548192/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1636 CPUtime=70.38
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 346 0 0 0 7037 1 0 0 25 0 1 0 371718260 1675264 329 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525751 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 409 329 48 102 0 304 0
Current children cumulated CPU time (s) 70.38
Current children cumulated vsize (KiB) 1636

[startup+73.6016 s]
/proc/loadavg: 1.16 1.59 1.43 2/78 27424
/proc/meminfo: memFree=1548192/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1636 CPUtime=73.58
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 346 0 0 0 7357 1 0 0 25 0 1 0 371718260 1675264 329 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 409 329 48 102 0 304 0
Current children cumulated CPU time (s) 73.58
Current children cumulated vsize (KiB) 1636

[startup+75.2017 s]
/proc/loadavg: 1.16 1.59 1.43 2/78 27424
/proc/meminfo: memFree=1548192/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1636 CPUtime=75.18
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 346 0 0 0 7517 1 0 0 25 0 1 0 371718260 1675264 329 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525918 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 409 329 48 102 0 304 0
Current children cumulated CPU time (s) 75.18
Current children cumulated vsize (KiB) 1636

[startup+76.0058 s]
/proc/loadavg: 1.16 1.59 1.43 2/78 27424
/proc/meminfo: memFree=1548192/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1636 CPUtime=75.98
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 346 0 0 0 7597 1 0 0 25 0 1 0 371718260 1675264 329 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134522848 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 409 329 48 102 0 304 0
Current children cumulated CPU time (s) 75.98
Current children cumulated vsize (KiB) 1636

[startup+76.2018 s]
/proc/loadavg: 1.16 1.59 1.43 2/78 27424
/proc/meminfo: memFree=1548192/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1636 CPUtime=76.18
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 346 0 0 0 7617 1 0 0 25 0 1 0 371718260 1675264 329 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134549506 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 409 329 48 102 0 304 0
Current children cumulated CPU time (s) 76.18
Current children cumulated vsize (KiB) 1636

[startup+76.3018 s]
/proc/loadavg: 1.16 1.59 1.43 2/78 27424
/proc/meminfo: memFree=1548192/2055920 swapFree=4158660/4192956
[pid=27423] ppid=27421 vsize=1636 CPUtime=76.28
/proc/27423/stat : 27423 (picosat) R 27421 27423 27364 0 -1 4194304 346 0 0 0 7627 1 0 0 25 0 1 0 371718260 1675264 329 18446744073709551615 134512640 134931368 4294956704 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/27423/statm: 409 329 48 102 0 304 0
Current children cumulated CPU time (s) 76.28
Current children cumulated vsize (KiB) 1636

Child status: 10
Real time (s): 76.3277
CPU time (s): 76.3074
CPU user time (s): 76.2954
CPU system time (s): 0.011998
CPU usage (%): 99.9734
Max. virtual memory (cumulated for all children) (KiB): 1636

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 76.2954
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 352
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= 7
involuntary context switches= 1597

runsolver used 0.090986 second user time and 0.19097 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Sat Mar 10 09:07:14 UTC 2007

IDJOB= 333486
IDBENCH= 24605
IDSOLVER= 106
FILE ID= node3/333486-1173517634

PBS_JOBID= 4101134

Free space on /tmp= 66518 MiB

SOLVER NAME= picosat 535
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/jarvisalo/mod2-rand3bip-sat-210-1.sat05-2158.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333486-1173517634/picosat /tmp/evaluation/333486-1173517634/instance-333486-1173517634.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-333486-1173517634 -o ROOT/results/node3/solver-333486-1173517634 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333486-1173517634/picosat /tmp/evaluation/333486-1173517634/instance-333486-1173517634.cnf            

META MD5SUM SOLVER= 1cb12d44dc66ecc4d20a168f5cfd1323
MD5SUM BENCH=  ec08a813e0e830faf90b4c50fad3a86d

RANDOM SEED= 286991114

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.241
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.241
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1550016 kB
Buffers:         48768 kB
Cached:         367884 kB
SwapCached:       2568 kB
Active:         216072 kB
Inactive:       223500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1550016 kB
SwapTotal:     4192956 kB
SwapFree:      4158660 kB
Dirty:             704 kB
Writeback:           0 kB
Mapped:          30568 kB
Slab:            51956 kB
Committed_AS:  1506728 kB
PageTables:       1656 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66518 MiB

End job on node3 on Sat Mar 10 09:08:31 UTC 2007