mitchellh / go-z3 Goto Github PK
View Code? Open in Web Editor NEWGo (golang) bindings to the Z3 SMT Solver
License: MIT License
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build error
...
Checking code with gofmt..
gofmt -s *.go >/dev/null
go test -v
/usr/lib/gcc/x86_64-pc-linux-gnu/7.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: ./libz3.a(hwf.o): undefined reference to symbol 'fesetround@@GLIBC_2.2.5'
/lib64/libm.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
FAIL _/home/vyrus/src/go-z3 [build failed]
make: *** [Makefile:25: test] Error 2
Linux 4.9.18-hardened #13 SMP Wed Apr 5 15:04:14 PDT 2017 x86_64 Intel(R) Core(TM) i7-6600U CPU @ 2.60GHz GenuineIntel GNU/Linux
go version devel +03c3bb5f84 Sat Sep 2 21:00:08 2017 +0000 linux/amd64
Error when testing
I built the projekt with make on Mac Os 11.1 BigSur. It builds fine but when testing I get the following error:
=== RUN TestContextErrorHandler
error_test.go:29: should call error handler
--- FAIL: TestContextErrorHandler (0.00s)
=== RUN TestModelAssignments
model_test.go:20:
AST:
(= (+ x 4) 16)
model_test.go:38:
Model:
x -> 12
model_test.go:43: Assignment: 12
--- PASS: TestModelAssignments (0.02s)
=== RUN TestModelEval
model_test.go:62:
AST:
(= (+ x 4) 16)
model_test.go:80:
Model:
x -> 12
model_test.go:84: Assignment: 12
--- PASS: TestModelEval (0.02s)
=== RUN TestSolver
solver_test.go:20:
AST:
(xor x y)
solver_test.go:38:
Model:
y -> false
x -> true
--- PASS: TestSolver (0.02s)
=== RUN TestSymbol
--- PASS: TestSymbol (0.00s)
=== RUN ExampleBasicMath
--- PASS: ExampleBasicMath (0.02s)
=== RUN ExampleDemorgan
--- PASS: ExampleDemorgan (0.02s)
=== RUN ExampleFindModel2
--- FAIL: ExampleFindModel2 (0.02s)
got:
Solving part 1
x = 0
y = 1
Solving part 2
x = (- 1)
y = 0
want:
Solving part 1
x = 0
y = 1
Solving part 2
x = 0
y = 1
FAIL
exit status 1
FAIL github.com/mitchellh/go-z3 0.501s
Is go-z3 still working now?
Following the instruction, I build Z3 first and then go get this project. However, there is an error saying:
mitchellh\[email protected]\ast.go:4:
./go-z3.h:11:10: fatal error: z3.h: No such file or directory
#include <z3.h>
^~~~~~
Thanks a lot for answering.
build errors
Problem 1
$ go build
# _/.../go-z3
./error.go:53:20: could not determine kind of name for C.Z3_get_error_msg_ex
Solution: rename C.Z3_get_error_msg_ex to C.Z3_get_error_msg
Problem 2
$ go build
# _/.../go-z3
/usr/bin/ld: ./libz3.a(hwf.o): référence au symbole non défini « fma@@GLIBC_2.2.5 »
//lib/x86_64-linux-gnu/libm.so.6: error adding symbols: DSO manquant dans la ligne de commande
collect2: error: ld returned 1 exit status
Solution:
$ ln -s vendor/z3/build/libz3.so ./
$ cat z3.go.patch
-// #cgo LDFLAGS: ${SRCDIR}/libz3.a -lstdc++
+// #cgo LDFLAGS: ${SRCDIR}/libz3.so -lstdc++
Problem 3
$ go build
# _/.../go-z3-fork
./model.go:37:101: cannot convert _Ciconst_Z3_TRUE (type untyped number) to type _Ctype__Bool
./model.go:37:101: invalid operation: (func literal)() != _Ciconst_Z3_TRUE (mismatched types _Ctype__Bool and int)
./model.go:37:57: cannot use _Ciconst_Z3_TRUE (type int) as type _Ctype__Bool in assignment
./optimize.go:73:34: not enough arguments in call to _Cfunc_Z3_optimize_check
have (_Ctype_Z3_context, _Ctype_Z3_optimize)
want (*_Ctype_struct__Z3_context, *_Ctype_struct__Z3_optimize, _Ctype_uint, *_Ctype_Z3_ast)
Solution: don't know 😕
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