--- /dev/null
+#! /usr/bin/python3
+import os
+import sys
+from generator_utils import *
+
+template = """// @{generatedby}@
+/* ///////////////////////// The MPI Bugs Initiative ////////////////////////
+
+ Origin: MBI
+
+ Description: @{shortdesc}@
+ @{longdesc}@
+
+ Version of MPI: Conforms to MPI 1.1, does not require MPI 2 implementation
+
+BEGIN_MPI_FEATURES
+ P2P!basic: @{p2pfeature}@
+ P2P!nonblocking: @{ip2pfeature}@
+ P2P!persistent: Lacking
+ COLL!basic: @{collfeature}@
+ COLL!nonblocking: Lacking
+ COLL!persistent: Lacking
+ COLL!tools: Lacking
+ RMA: Lacking
+END_MPI_FEATURES
+
+BEGIN_MBI_TESTS
+ $ mpirun -np 4 ${EXE}
+ | @{outcome}@
+ | @{errormsg}@
+END_MBI_TESTS
+////////////////////// End of MBI headers /////////////////// */
+
+#include <mpi.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+int main(int argc, char **argv) {
+ int nprocs = -1;
+ int rank = -1;
+ int dest, src;
+ int i=0;
+ int root = 0;
+ int stag = 0, rtag = 0;
+ int buff_size = 1;
+
+ MPI_Init(&argc, &argv);
+ MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+ printf("Hello from rank %d \\n", rank);
+
+ if (nprocs != 4)
+ printf("MBI ERROR: This test needs 4 processes to produce a bug!\\n");
+
+ int dbs = sizeof(int)*nprocs; /* Size of the dynamic buffers for alltoall and friends */
+ MPI_Comm newcom = MPI_COMM_WORLD;
+ MPI_Datatype type = MPI_INT;
+ MPI_Op op = MPI_SUM;
+
+
+
+ @{init1}@
+ @{init2}@
+ @{init3}@
+ @{init4}@
+ if (rank == 0) {
+ dest=1;
+ @{operation1}@
+ @{fini1}@
+ @{operation2}@
+ @{fini2}@
+ }else if (rank==2) {
+ dest=1;
+ @{operation1}@
+ @{fini1}@
+ @{operation2}@
+ @{fini2}@
+ }else if (rank==1) {
+ src = MPI_ANY_SOURCE;
+ rtag = MPI_ANY_TAG;
+ @{operation3}@ /* MBIERROR1 */
+ @{operation1}@
+ @{fini1}@
+ @{operation4}@ /* MBIERROR2 */
+ @{fini3}@
+ @{fini4}@
+ }else if (rank==3) {
+ @{operation1}@
+ @{fini1}@
+ }
+
+ @{free1}@
+ @{free2}@
+ @{free3}@
+ @{free4}@
+
+ MPI_Finalize();
+ printf("Rank %d finished normally\\n", rank);
+ return 0;
+}
+"""
+
+
+for s in send + isend:
+ for r in irecv:
+ for c in coll:
+ patterns = {}
+ patterns = {'s': s, 'r': r, 'c': c}
+ patterns['generatedby'] = f'DO NOT EDIT: this file was generated by {os.path.basename(sys.argv[0])}. DO NOT EDIT.'
+ patterns['p2pfeature'] = 'Yes' if s in send or r in recv else 'Lacking'
+ patterns['ip2pfeature'] = 'Yes' if s in isend or r in irecv else 'Lacking'
+ patterns['collfeature'] = 'Yes' if c in coll else 'Lacking'
+ patterns['s'] = s
+ patterns['r'] = r
+ patterns['c'] = c
+ patterns['init1'] = init[c]("1")
+ patterns['init2'] = init[s]("2")
+ patterns['init3'] = init[r]("3")
+ patterns['init4'] = init[r]("4")
+ patterns['fini1'] = fini[c]("1")
+ patterns['fini2'] = fini[s]("2")
+ patterns['fini3'] = fini[r]("3")
+ patterns['fini4'] = fini[r]("4")
+ patterns['free1'] = free[c]("1")
+ patterns['free2'] = free[s]("2")
+ patterns['free3'] = free[r]("3")
+ patterns['free4'] = free[r]("4")
+ patterns['operation1'] = operation[c]("1")
+ patterns['operation2'] = operation[s]("2")
+ patterns['operation3'] = operation[r]("3")
+ patterns['operation4'] = operation[r]("4")
+
+ # Generate the incorrect matching because of the conditional
+ replace = patterns
+ replace['shortdesc'] = 'Message race'
+ replace['longdesc'] = 'Message race in @{r}@ with @{c}@.'
+ replace['outcome'] = 'ERROR: MessageRace'
+ replace['errormsg'] = 'Message race. The use of wildcard receive calls (@{r}@ at @{filename}@:@{line:MBIERROR1}@ and @{r}@ at @{filename}@:@{line:MBIERROR2}@) leads to nondeterministic matching.'
+ make_file(template, f'MessageRace_{c}_{s}_{r}_nok.c', replace)
