### uname -a: Linux clpc8.cs.ox.ac.uk 2.6.34.7-56.fc13.x86_64 #1 SMP Wed Sep 15 03:36:55 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux ### cat /proc/cpuinfo: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz stepping : 10 cpu MHz : 2826.601 cache size : 6144 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 5653.20 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz stepping : 10 cpu MHz : 2826.601 cache size : 6144 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 5652.19 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 2 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz stepping : 10 cpu MHz : 2826.601 cache size : 6144 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 5652.20 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz stepping : 10 cpu MHz : 2826.601 cache size : 6144 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 5652.21 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: ### cat /proc/meminfo: MemTotal: 3891428 kB MemFree: 1709368 kB Buffers: 70520 kB Cached: 1717612 kB SwapCached: 0 kB Active: 963260 kB Inactive: 901460 kB Active(anon): 13984 kB Inactive(anon): 108108 kB Active(file): 949276 kB Inactive(file): 793352 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 12586892 kB SwapFree: 12586892 kB Dirty: 668 kB Writeback: 0 kB AnonPages: 76852 kB Mapped: 20864 kB Shmem: 45500 kB Slab: 178804 kB SReclaimable: 156420 kB SUnreclaim: 22384 kB KernelStack: 2136 kB PageTables: 13432 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 14532604 kB Committed_AS: 483140 kB VmallocTotal: 34359738367 kB VmallocUsed: 385656 kB VmallocChunk: 34359345788 kB HardwareCorrupted: 0 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 10236 kB DirectMap2M: 4016128 kB ### date: Thu Oct 13 19:35:23 BST 2011 ### user: mictau ### ulimit -a: core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 30273 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 1024 virtual memory (kbytes, -v) 3584000 file locks (-x) unlimited ### timeout: timeout -s SIGINT 3600 ### tool version info: USAGE: ./ai .c Options: ------- GENERAL OPTIONS --help Display this message --show-symbol-table --show-goto-functions --show-cfg --function Set function f as main function --invariants Display analysis result (invariants) --print-assignments Display analysis result (effects of assignments) --block-inv-output Do not output invariants containing certain expressions ------- PREPROCESSING AND TRANSFORMATIONS --inline Inline function calls --preprocess-const-prop Preprocess CFG with constant propagation --preprocess-expr-prop Preprocess CFG with expression propagation --unwind Unwind each loop n times --remove-pointers Perform pointer analysis --unwind Unwind all loops n times ------- ANALYSIS OPTIONS --widening k Perform widening after k loop iterations --unsound-nan Ignore NaN in arithmetic, e.g. 0 * infinity = 0 --rounding-mode Set rounding mode for FP --diseq-itv Disequalities+intervals ------- ABSTRACT DOMAINS --box Apron box domain --polyhedra Apron polyhedra --octagon Apron octacgon --strict-polyhedra Apron strict polyhedra --disequality Equality/disquality domain --intervals Intervals (non-apron) --itv-arrays Intervals + arrays (default) --max-array-size Maximum size of arrays that are emulated --arr-diseq-itv Disequalities+intervals+arrays --const-prop Constant propagation domain --expr-prop Expression propagation domain ------- OTHER --proof-growing Use proof growing analysis ========== CONFLICT DRIVEN FIXED POINT LEARNING --proof-search Enable conflict driven fixed point learning --set-var-range v1,min1,max1,v2,min2,max2,... Set range of initial variables --filter-dec-vars Only use var as decision vars whose identifier contains --iteration-limit Quit after iterations --dec-heur-berkmin Berkmin + random decision heuristic --dec-heur-range-rel Split on largest range (relative to initial range) --dec-heur-range Split on largest range (relative to max type range) --dec-heur-rand Split randomly (default) --nr-splits Reduce range to 1/(2^(n-1)) at each decision --disable-learning Use clauses for backjumping but never apply unit rule --disable-backjumping No learning, no non-chronological backtracking --additional-clauses Provide additional clauses in file f (untested) ------- EXPERIMENTAL CBMC / CDFPL INTEGRATION --bmc-thresh Set range of variables at which bmc is called (switched off by default) --bmc-thresh-rel Use range relative to initial range --bmc-on-backtrack Only call BMC after backtrack ### tool command: /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/cdfpl --inline --filter-dec-vars IN --proof-search --dec-heur-rand ### full command line: /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/cdfpl --inline --filter-dec-vars IN --proof-search --dec-heur-rand /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/build/taylor1/sine.8.0.i ### expected verification result: unknown ############################################################################### file /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/build/taylor1/sine.8.0.i: Parsing Converting Type-checking sine.8.0 Generating GOTO Program Function Pointer Removal got goto-program CFG has 20 nodes Obtaining loops ... done setting widening to 10 finding unnecessary nodes ... found 3 unnecessary nodes ITERATION (decision) 0 ================ { c::$file::main::1::IN in FLOAT: [-inf, inf] } new dlevel: 1 ASSIGN c::$file::main::1::IN to [-inf, -0] because of -1 SUCCESSFULLY PROVEN CASE Global generalization: 36 steps, 0.03s (0.000833333s/step) REASON: c::$file::main::1::IN [-inf, 0.83852487803], CONFLICT CLAUSE = { (c::$file::main::1::IN,[0.83852493763, inf]) } searching for uip (c::$file::main::1::IN,[0.83852493763, inf]) is incompatible with [-inf, -0] at level 1 using generalized lit as negated uip: (c::$file::main::1::IN,[0.83852493763, inf]) ADDED CLAUSE: (c::$file::main::1::IN,[0.83852493763, inf]) backtrack to dlevel: 0 CLAUSE IS UNIT ASSIGN c::$file::main::1::IN to [0.83852493763, inf] because of 0 ITERATION (backtrack) 1 ================ Global generalization: 37 steps, 0.03s (0.000810811s/step) REASON: c::$file::main::1::IN [-0.83852487803, inf], CONFLICT CLAUSE = { (c::$file::main::1::IN,[-inf, -0.83852493763]) } searching for uip no further backtrack possible == Procedure terminated after 2 iterations **** Verification successful ############################################################################### ### exit code: 0 ### /usr/bin/time -v: Command being timed: "/home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/cdfpl --inline --filter-dec-vars IN --proof-search --dec-heur-rand /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/build/taylor1/sine.8.0.i" User time (seconds): 0.06 System time (seconds): 0.00 Percent of CPU this job got: 97% Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.07 Average shared text size (kbytes): 0 Average unshared data size (kbytes): 0 Average stack size (kbytes): 0 Average total size (kbytes): 0 Maximum resident set size (kbytes): 4720 Average resident set size (kbytes): 0 Major (requiring I/O) page faults: 0 Minor (reclaiming a frame) page faults: 1200 Voluntary context switches: 1 Involuntary context switches: 1 Swaps: 0 File system inputs: 0 File system outputs: 0 Socket messages sent: 0 Socket messages received: 0 Signals delivered: 0 Page size (bytes): 4096 Exit status: 0