message: Early exit if refines.isFalse holds
diff: @@ -379,12 +379,13 @@ void State::mkAxioms(State &tgt) {
  // doesn't seem to be needed in practice for optimizations
  // since there's no introduction of calls in tgt
  for (auto &[fn, data] : fn_call_data) {
  + auto &data2 = tgt.fn_call_data.at(fn);
  +
  for (auto I = data.begin(), E = data.end(); I != E; ++I) {
  auto &[ins, ptr_ins, mem, reads, argmem] = I->first;
  auto &[rets, ub, mem_state, used] = I->second;
  assert(used); (void)used;
  - auto &data2 = tgt.fn_call_data.at(fn);
  for (auto I2 = data2.begin(), E2 = data2.end(); I2 != E2; ++I2) {
  auto &[ins2, ptr_ins2, mem2, reads2, argmem2] = I2->first;
  auto &[rets2, ub2, mem_state2, used2] = I2->second;
  @@ -415,8 +416,14 @@ void State::mkAxioms(State &tgt) {
  .fninputRefined(Pointer(mem2, ptr_in2.value), is_byval2);
  refines &= ptr_in.non_poison
  .implies(eq_val && ptr_in2.non_poison);
  +
  + if (refines.isFalse())
  + break;
  }
  + if (refines.isFalse())
  + continue;
  +
  if (reads2) {
  auto restrict_ptrs = argmem2 ? &ptr_ins2 : nullptr;
  expr mem_refined = mem.refined(mem2, true, restrict_ptrs).first;
  