# frama-c -wp [...]
[kernel] Parsing FRAMAC_SHARE/libc/__fc_builtin_for_normalization.i (no preprocessing)
[kernel] Parsing tests/wp_acsl/null.c (with preprocessing)
[wp] Running WP plugin...
[wp] Loading driver 'share/wp.driver'
[wp] Collecting axiomatic usage
[wp] warning: Missing RTE guards
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  Function null_is_zero
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Goal Post-condition (file tests/wp_acsl/null.c, line 6) in 'null_is_zero':
Assume { }
Prove: 0=(cast null).

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