### 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: 3481008 kB Buffers: 988 kB Cached: 65404 kB SwapCached: 73992 kB Active: 40444 kB Inactive: 188616 kB Active(anon): 32888 kB Inactive(anon): 171712 kB Active(file): 7556 kB Inactive(file): 16904 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 12586892 kB SwapFree: 10201732 kB Dirty: 164 kB Writeback: 0 kB AnonPages: 95096 kB Mapped: 4328 kB Shmem: 41844 kB Slab: 39056 kB SReclaimable: 21248 kB SUnreclaim: 17808 kB KernelStack: 2088 kB PageTables: 17412 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 14532604 kB Committed_AS: 2871532 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: Fri Oct 14 01:35:43 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: 4.0 ### tool command: cbmc ### full command line: cbmc /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/build/other/nsv3/Rump.0.0.i ### expected verification result: unknown ############################################################################### file /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/build/other/nsv3/Rump.0.0.i: Parsing Converting Type-checking Rump.0.0 file other/nsv3/Rump.c line 15 function main: function `c::printf' is not declared Generating GOTO Program Adding CPROVER library Function Pointer Removal Partial Inlining Generic Property Instrumentation Starting Bounded Model Checking size of program expression: 13 assignments simple slicing removed 2 assignments Generated 1 VCC(s), 1 remaining after simplification Passing problem to propositional reduction Running propositional reduction Solving with MiniSAT2 with simplifier 41246 variables, 1424 clauses SAT checker: negated claim is SATISFIABLE, i.e., does not hold Runtime decision procedure: 0.117s Building error trace Counterexample: State 2 file line 26 thread 0 ---------------------------------------------------- __CPROVER_deallocated=NULL (0000000000000000000000000000000000000000000000000000000000000000) State 3 file line 27 thread 0 ---------------------------------------------------- __CPROVER_malloc_object=NULL (0000000000000000000000000000000000000000000000000000000000000000) State 4 file line 28 thread 0 ---------------------------------------------------- __CPROVER_malloc_size=0 (0000000000000000000000000000000000000000000000000000000000000000) State 5 file line 37 thread 0 ---------------------------------------------------- __CPROVER_rounding_mode=0 (00000000000000000000000000000000) State 7 file other/nsv3/Rump.c line 7 function main thread 0 ---------------------------------------------------- exact=-0.827396l (1011111111101010011110100000011101001101010010011111001001111111) State 8 file other/nsv3/Rump.c line 9 function main thread 0 ---------------------------------------------------- a=77617.000000l (0100000011110010111100110001000000000000000000000000000000000000) State 9 file other/nsv3/Rump.c line 10 function main thread 0 ---------------------------------------------------- b=33096.000000l (0100000011100000001010010000000000000000000000000000000000000000) State 10 file other/nsv3/Rump.c line 12 function main thread 0 ---------------------------------------------------- res=1.172604l (0011111111110010110000101111110001011001010110110000011010111111) Violated property: file other/nsv3/Rump.c line 14 function main assertion IEEE_FLOAT_EQUAL(exact, res) VERIFICATION FAILED ############################################################################### ### exit code: 10 ### /usr/bin/time -v: Command exited with non-zero status 10 Command being timed: "cbmc /home/scratch/mictau/cprover-benchmarking.git/tmp/cdfpl/build/other/nsv3/Rump.0.0.i" User time (seconds): 0.14 System time (seconds): 0.00 Percent of CPU this job got: 97% Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.14 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): 10528 Average resident set size (kbytes): 0 Major (requiring I/O) page faults: 0 Minor (reclaiming a frame) page faults: 3472 Voluntary context switches: 5 Involuntary context switches: 2 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: 10