~/Work/tools/cbmc-4.3/cbmc main.c mc146818rtc.c qemu-timer.c qverify.c rtc-verify.c --unwind 1 -D__CBMC_TEST_HW__ -D__NO_TIMER__ -DRTC_BENCHMARK_PROP_7 #-D__EXPOSE_BUG__ 
file main.c: Parsing
file mc146818rtc.c: Parsing
file qemu-timer.c: Parsing
file qverify.c: Parsing
file rtc-verify.c: Parsing
Converting
Type-checking main
Type-checking mc146818rtc
Type-checking qemu-timer
Type-checking qverify
Type-checking rtc-verify
Generating GOTO Program
Adding CPROVER library
Function Pointer Removal
Partial Inlining
Generic Property Instrumentation
Starting Bounded Model Checking
**** WARNING: no body for function c::gettimeofday
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
Unwinding loop c::cmos_ioport_write.1 iteration 1 file mc146818rtc.c line 604 function cmos_ioport_write thread 0
size of program expression: 56821 assignments
simple slicing removed 56 assignments
Generated 20 VCC(s), 20 remaining after simplification
Passing problem to propositional reduction
Running propositional reduction
Solving with MiniSAT2 with simplifier
9114308 variables, 26744792 clauses
SAT checker inconsistent: negated claim is UNSATISFIABLE, i.e., holds
Runtime decision procedure: 20.259s
VERIFICATION SUCCESSFUL